VirtualBox

source: vbox/trunk/include/VBox/hwacc_vmx.h@ 13469

Last change on this file since 13469 was 13203, checked in by vboxsync, 16 years ago

Missing shadow cases for EPT.

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1/** @file
2 * HWACCM - VMX Structures and Definitions.
3 */
4
5/*
6 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26 * Clara, CA 95054 USA or visit http://www.sun.com if you need
27 * additional information or have any questions.
28 */
29
30#ifndef ___VBox_vmx_h
31#define ___VBox_vmx_h
32
33#include <VBox/types.h>
34#include <VBox/err.h>
35#include <iprt/assert.h>
36#include <iprt/asm.h>
37
38/** @defgroup grp_vmx vmx Types and Definitions
39 * @ingroup grp_hwaccm
40 * @{
41 */
42
43/** @name VMX EPT paging structures
44 * @{
45 */
46
47/**
48 * Number of page table entries in the EPT. (PDPTE/PDE/PTE)
49 */
50#define EPT_PG_ENTRIES X86_PG_PAE_ENTRIES
51
52/**
53 * EPT Page Directory Pointer Entry. Bit view.
54 */
55#pragma pack(1)
56typedef struct EPTPML4EBITS
57{
58 /** Present bit. */
59 uint64_t u1Present : 1;
60 /** Writable bit. */
61 uint64_t u1Write : 1;
62 /** Executable bit. */
63 uint64_t u1Execute : 1;
64 /** Reserved (must be 0). */
65 uint64_t u5Reserved : 5;
66 /** Available for software. */
67 uint64_t u4Available : 4;
68 /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */
69 uint64_t u40PhysAddr : 40;
70 /** Availabe for software. */
71 uint64_t u12Available : 12;
72} EPTPML4EBITS;
73#pragma pack()
74AssertCompileSize(EPTPML4EBITS, 8);
75
76/** Bits 12-51 - - EPT - Physical Page number of the next level. */
77#define EPT_PML4E_PG_MASK X86_PML4E_PG_MASK_FULL
78/** The page shift to get the PML4 index. */
79#define EPT_PML4_SHIFT X86_PML4_SHIFT
80/** The PML4 index mask (apply to a shifted page address). */
81#define EPT_PML4_MASK X86_PML4_MASK
82
83/**
84 * EPT PML4E.
85 */
86#pragma pack(1)
87typedef union EPTPML4E
88{
89 /** Normal view. */
90 EPTPML4EBITS n;
91 /** Unsigned integer view. */
92 X86PGPAEUINT u;
93 /** 64 bit unsigned integer view. */
94 uint64_t au64[1];
95 /** 32 bit unsigned integer view. */
96 uint32_t au32[2];
97} EPTPML4E;
98#pragma pack()
99/** Pointer to a PML4 table entry. */
100typedef EPTPML4E *PEPTPML4E;
101/** Pointer to a const PML4 table entry. */
102typedef const EPTPML4E *PCEPTPML4E;
103AssertCompileSize(EPTPML4E, 8);
104
105/**
106 * EPT PML4 Table.
107 */
108#pragma pack(1)
109typedef struct EPTPML4
110{
111 EPTPML4E a[EPT_PG_ENTRIES];
112} EPTPML4;
113#pragma pack()
114/** Pointer to an EPT PML4 Table. */
115typedef EPTPML4 *PEPTPML4;
116/** Pointer to a const EPT PML4 Table. */
117typedef const EPTPML4 *PCEPTPML4;
118
119/**
120 * EPT Page Directory Pointer Entry. Bit view.
121 */
122#pragma pack(1)
123typedef struct EPTPDPTEBITS
124{
125 /** Present bit. */
126 uint64_t u1Present : 1;
127 /** Writable bit. */
128 uint64_t u1Write : 1;
129 /** Executable bit. */
130 uint64_t u1Execute : 1;
131 /** Reserved (must be 0). */
132 uint64_t u5Reserved : 5;
133 /** Available for software. */
134 uint64_t u4Available : 4;
135 /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */
136 uint64_t u40PhysAddr : 40;
137 /** Availabe for software. */
138 uint64_t u12Available : 12;
139} EPTPDPTEBITS;
140#pragma pack()
141AssertCompileSize(EPTPDPTEBITS, 8);
142
143/** Bits 12-51 - - EPT - Physical Page number of the next level. */
144#define EPT_PDPTE_PG_MASK X86_PDPE_PG_MASK_FULL
145/** The page shift to get the PDPT index. */
146#define EPT_PDPT_SHIFT X86_PDPT_SHIFT
147/** The PDPT index mask (apply to a shifted page address). */
148#define EPT_PDPT_MASK X86_PDPT_MASK_AMD64
149
150/**
151 * EPT Page Directory Pointer.
152 */
153#pragma pack(1)
154typedef union EPTPDPTE
155{
156 /** Normal view. */
157 EPTPDPTEBITS n;
158 /** Unsigned integer view. */
159 X86PGPAEUINT u;
160 /** 64 bit unsigned integer view. */
161 uint64_t au64[1];
162 /** 32 bit unsigned integer view. */
163 uint32_t au32[2];
164} EPTPDPTE;
165#pragma pack()
166/** Pointer to an EPT Page Directory Pointer Entry. */
167typedef EPTPDPTE *PEPTPDPTE;
168/** Pointer to a const EPT Page Directory Pointer Entry. */
169typedef const EPTPDPTE *PCEPTPDPTE;
170AssertCompileSize(EPTPDPTE, 8);
171
172/**
173 * EPT Page Directory Pointer Table.
174 */
175#pragma pack(1)
176typedef struct EPTPDPT
177{
178 EPTPDPTE a[EPT_PG_ENTRIES];
179} EPTPDPT;
180#pragma pack()
181/** Pointer to an EPT Page Directory Pointer Table. */
182typedef EPTPDPT *PEPTPDPT;
183/** Pointer to a const EPT Page Directory Pointer Table. */
184typedef const EPTPDPT *PCEPTPDPT;
185
186
187/**
188 * EPT Page Directory Table Entry. Bit view.
189 */
190#pragma pack(1)
191typedef struct EPTPDEBITS
192{
193 /** Present bit. */
194 uint64_t u1Present : 1;
195 /** Writable bit. */
196 uint64_t u1Write : 1;
197 /** Executable bit. */
198 uint64_t u1Execute : 1;
199 /** Reserved (must be 0). */
200 uint64_t u4Reserved : 4;
201 /** Big page (must be 0 here). */
202 uint64_t u1Big : 1;
203 /** Available for software. */
204 uint64_t u4Available : 4;
205 /** Physical address of page table. Restricted by maximum physical address width of the cpu. */
206 uint64_t u40PhysAddr : 40;
207 /** Availabe for software. */
208 uint64_t u12Available : 12;
209} EPTPDEBITS;
210#pragma pack()
211AssertCompileSize(EPTPDEBITS, 8);
212
213/** Bits 12-51 - - EPT - Physical Page number of the next level. */
214#define EPT_PDE_PG_MASK X86_PDE_PAE_PG_MASK_FULL
215/** The page shift to get the PD index. */
216#define EPT_PD_SHIFT X86_PD_PAE_SHIFT
217/** The PD index mask (apply to a shifted page address). */
218#define EPT_PD_MASK X86_PD_PAE_MASK
219
220/**
221 * EPT 2MB Page Directory Table Entry. Bit view.
222 */
223#pragma pack(1)
224typedef struct EPTPDE2MBITS
225{
226 /** Present bit. */
227 uint64_t u1Present : 1;
228 /** Writable bit. */
229 uint64_t u1Write : 1;
230 /** Executable bit. */
231 uint64_t u1Execute : 1;
232 /** EPT Table Memory Type. MBZ for non-leaf nodes. */
233 uint64_t u3EMT : 3;
234 /** Ignore PAT memory type */
235 uint64_t u1IgnorePAT : 1;
236 /** Big page (must be 1 here). */
237 uint64_t u1Size : 1;
238 /** Available for software. */
239 uint64_t u4Available : 4;
240 /** Reserved (must be 0). */
241 uint64_t u9Reserved : 9;
242 /** Physical address of the 2MB page. Restricted by maximum physical address width of the cpu. */
243 uint64_t u31PhysAddr : 31;
244 /** Availabe for software. */
245 uint64_t u12Available : 12;
246} EPTPDE2MBITS;
247#pragma pack()
248AssertCompileSize(EPTPDE2MBITS, 8);
249
250/** Bits 21-51 - - EPT - Physical Page number of the next level. */
251#define EPT_PDE2M_PG_MASK ( 0x000fffffffe00000ULL )
252
253/**
254 * EPT Page Directory Table Entry.
255 */
256#pragma pack(1)
257typedef union EPTPDE
258{
259 /** Normal view. */
260 EPTPDEBITS n;
261 /** 2MB view (big). */
262 EPTPDE2MBITS b;
263 /** Unsigned integer view. */
264 X86PGPAEUINT u;
265 /** 64 bit unsigned integer view. */
266 uint64_t au64[1];
267 /** 32 bit unsigned integer view. */
268 uint32_t au32[2];
269} EPTPDE;
270#pragma pack()
271/** Pointer to an EPT Page Directory Table Entry. */
272typedef EPTPDE *PEPTPDE;
273/** Pointer to a const EPT Page Directory Table Entry. */
274typedef const EPTPDE *PCEPTPDE;
275AssertCompileSize(EPTPDE, 8);
276
277/**
278 * EPT Page Directory Table.
279 */
280#pragma pack(1)
281typedef struct EPTPD
282{
283 EPTPDE a[EPT_PG_ENTRIES];
284} EPTPD;
285#pragma pack()
286/** Pointer to an EPT Page Directory Table. */
287typedef EPTPD *PEPTPD;
288/** Pointer to a const EPT Page Directory Table. */
289typedef const EPTPD *PCEPTPD;
290
291
292/**
293 * EPT Page Table Entry. Bit view.
294 */
295#pragma pack(1)
296typedef struct EPTPTEBITS
297{
298 /** Present bit. */
299 uint64_t u1Present : 1;
300 /** Writable bit. */
301 uint64_t u1Write : 1;
302 /** Executable bit. */
303 uint64_t u1Execute : 1;
304 /** EPT Table Memory Type. MBZ for non-leaf nodes. */
305 uint64_t u3EMT : 3;
306 /** Ignore PAT memory type */
307 uint64_t u1IgnorePAT : 1;
308 /** Available for software. */
309 uint64_t u5Available : 5;
310 /** Physical address of page. Restricted by maximum physical address width of the cpu. */
311 uint64_t u40PhysAddr : 40;
312 /** Availabe for software. */
313 uint64_t u12Available : 12;
314} EPTPTEBITS;
315#pragma pack()
316AssertCompileSize(EPTPTEBITS, 8);
317
318/** Bits 12-51 - - EPT - Physical Page number of the next level. */
319#define EPT_PTE_PG_MASK X86_PTE_PAE_PG_MASK_FULL
320/** The page shift to get the EPT PTE index. */
321#define EPT_PT_SHIFT X86_PT_PAE_SHIFT
322/** The EPT PT index mask (apply to a shifted page address). */
323#define EPT_PT_MASK X86_PT_PAE_MASK
324
325/**
326 * EPT Page Table Entry.
327 */
328#pragma pack(1)
329typedef union EPTPTE
330{
331 /** Normal view. */
332 EPTPTEBITS n;
333 /** Unsigned integer view. */
334 X86PGPAEUINT u;
335 /** 64 bit unsigned integer view. */
336 uint64_t au64[1];
337 /** 32 bit unsigned integer view. */
338 uint32_t au32[2];
339} EPTPTE;
340#pragma pack()
341/** Pointer to an EPT Page Directory Table Entry. */
342typedef EPTPTE *PEPTPTE;
343/** Pointer to a const EPT Page Directory Table Entry. */
344typedef const EPTPTE *PCEPTPTE;
345AssertCompileSize(EPTPTE, 8);
346
347/**
348 * EPT Page Table.
349 */
350#pragma pack(1)
351typedef struct EPTPT
352{
353 EPTPTE a[EPT_PG_ENTRIES];
354} EPTPT;
355#pragma pack()
356/** Pointer to an extended page table. */
357typedef EPTPT *PEPTPT;
358/** Pointer to a const extended table. */
359typedef const EPTPT *PCEPTPT;
360
361/**
362 * VPID and EPT flush types
363 */
364typedef enum
365{
366 /* Invalidate a specific page. */
367 VMX_FLUSH_PAGE = 0,
368 /* Invalidate one context (VPID or EPT) */
369 VMX_FLUSH_SINGLE_CONTEXT = 1,
370 /* Invalidate all contexts (VPIDs or EPTs) */
371 VMX_FLUSH_ALL_CONTEXTS = 2,
372 /* Invalidate a single VPID context retaining global mappings. */
373 VMX_FLUSH_SINGLE_CONTEXT_WITHOUT_GLOBAL = 3,
374 /** 32bit hackishness. */
375 VMX_FLUSH_32BIT_HACK = 0x7fffffff
376} VMX_FLUSH;
377
378/** @} */
379
380
381/** @name VMX Basic Exit Reasons.
382 * @{
383 */
384/** And-mask for setting reserved bits to zero */
385#define VMX_EFLAGS_RESERVED_0 (~0xffc08028)
386/** Or-mask for setting reserved bits to 1 */
387#define VMX_EFLAGS_RESERVED_1 0x00000002
388/** @} */
389
390/** @name VMX Basic Exit Reasons.
391 * @{
392 */
393/** 0 Exception or non-maskable interrupt (NMI). */
394#define VMX_EXIT_EXCEPTION 0
395/** 1 External interrupt. */
396#define VMX_EXIT_EXTERNAL_IRQ 1
397/** 2 Triple fault. */
398#define VMX_EXIT_TRIPLE_FAULT 2
399/** 3 INIT signal. */
400#define VMX_EXIT_INIT_SIGNAL 3
401/** 4 Start-up IPI (SIPI). */
402#define VMX_EXIT_SIPI 4
403/** 5 I/O system-management interrupt (SMI). */
404#define VMX_EXIT_IO_SMI_IRQ 5
405/** 6 Other SMI. */
406#define VMX_EXIT_SMI_IRQ 6
407/** 7 Interrupt window. */
408#define VMX_EXIT_IRQ_WINDOW 7
409/** 9 Task switch. */
410#define VMX_EXIT_TASK_SWITCH 9
411/** 10 Guest software attempted to execute CPUID. */
412#define VMX_EXIT_CPUID 10
413/** 12 Guest software attempted to execute HLT. */
414#define VMX_EXIT_HLT 12
415/** 13 Guest software attempted to execute INVD. */
416#define VMX_EXIT_INVD 13
417/** 14 Guest software attempted to execute INVPG. */
418#define VMX_EXIT_INVPG 14
419/** 15 Guest software attempted to execute RDPMC. */
420#define VMX_EXIT_RDPMC 15
421/** 16 Guest software attempted to execute RDTSC. */
422#define VMX_EXIT_RDTSC 16
423/** 17 Guest software attempted to execute RSM in SMM. */
424#define VMX_EXIT_RSM 17
425/** 18 Guest software executed VMCALL. */
426#define VMX_EXIT_VMCALL 18
427/** 19 Guest software executed VMCLEAR. */
428#define VMX_EXIT_VMCLEAR 19
429/** 20 Guest software executed VMLAUNCH. */
430#define VMX_EXIT_VMLAUNCH 20
431/** 21 Guest software executed VMPTRLD. */
432#define VMX_EXIT_VMPTRLD 21
433/** 22 Guest software executed VMPTRST. */
434#define VMX_EXIT_VMPTRST 22
435/** 23 Guest software executed VMREAD. */
436#define VMX_EXIT_VMREAD 23
437/** 24 Guest software executed VMRESUME. */
438#define VMX_EXIT_VMRESUME 24
439/** 25 Guest software executed VMWRITE. */
440#define VMX_EXIT_VMWRITE 25
441/** 26 Guest software executed VMXOFF. */
442#define VMX_EXIT_VMXOFF 26
443/** 27 Guest software executed VMXON. */
444#define VMX_EXIT_VMXON 27
445/** 28 Control-register accesses. */
446#define VMX_EXIT_CRX_MOVE 28
447/** 29 Debug-register accesses. */
448#define VMX_EXIT_DRX_MOVE 29
449/** 30 I/O instruction. */
450#define VMX_EXIT_PORT_IO 30
451/** 31 RDMSR. Guest software attempted to execute RDMSR. */
452#define VMX_EXIT_RDMSR 31
453/** 32 WRMSR. Guest software attempted to execute WRMSR. */
454#define VMX_EXIT_WRMSR 32
455/** 33 VM-entry failure due to invalid guest state. */
456#define VMX_EXIT_ERR_INVALID_GUEST_STATE 33
457/** 34 VM-entry failure due to MSR loading. */
458#define VMX_EXIT_ERR_MSR_LOAD 34
459/** 36 Guest software executed MWAIT. */
460#define VMX_EXIT_MWAIT 36
461/** 39 Guest software attempted to execute MONITOR. */
462#define VMX_EXIT_MONITOR 39
463/** 40 Guest software attempted to execute PAUSE. */
464#define VMX_EXIT_PAUSE 40
465/** 41 VM-entry failure due to machine-check. */
466#define VMX_EXIT_ERR_MACHINE_CHECK 41
467/** 43 TPR below threshold. Guest software executed MOV to CR8. */
468#define VMX_EXIT_TPR 43
469/** 44 APIC access. Guest software attempted to access memory at a physical address on the APIC-access page. */
470#define VMX_EXIT_APIC_ACCESS 44
471/** 46 Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT. */
472#define VMX_EXIT_XDTR_ACCESS 46
473/** 47 Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR. */
474#define VMX_EXIT_TR_ACCESS 47
475/** 48 EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures. */
476#define VMX_EXIT_EPT_VIOLATION 48
477/** 49 EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry. */
478#define VMX_EXIT_EPT_MISCONFIG 49
479/** 50 INVEPT. Guest software attempted to execute INVEPT. */
480#define VMX_EXIT_INVEPT 50
481/** 52 VMX-preemption timer expired. The preemption timer counted down to zero. */
482#define VMX_EXIT_PREEMPTION_TIMER 52
483/** 53 INVVPID. Guest software attempted to execute INVVPID. */
484#define VMX_EXIT_INVVPID 53
485/** 54 WBINVD. Guest software attempted to execute WBINVD. */
486#define VMX_EXIT_WBINVD 54
487/** 55 XSETBV. Guest software attempted to execute XSETBV. */
488#define VMX_EXIT_XSETBV 55
489/** @} */
490
491
492/** @name VM Instruction Errors
493 * @{
494 */
495/** 1 VMCALL executed in VMX root operation. */
496#define VMX_ERROR_VMCALL 1
497/** 2 VMCLEAR with invalid physical address. */
498#define VMX_ERROR_VMCLEAR_INVALID_PHYS_ADDR 2
499/** 3 VMCLEAR with VMXON pointer. */
500#define VMX_ERROR_VMCLEAR_INVALID_VMXON_PTR 3
501/** 4 VMLAUNCH with non-clear VMCS. */
502#define VMX_ERROR_VMLAUCH_NON_CLEAR_VMCS 4
503/** 5 VMRESUME with non-launched VMCS. */
504#define VMX_ERROR_VMRESUME_NON_LAUNCHED_VMCS 5
505/** 6 VMRESUME with a corrupted VMCS (indicates corruption of the current VMCS). */
506#define VMX_ERROR_VMRESUME_CORRUPTED_VMCS 6
507/** 7 VM entry with invalid control field(s). */
508#define VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS 7
509/** 8 VM entry with invalid host-state field(s). */
510#define VMX_ERROR_VMENTRY_INVALID_HOST_STATE 8
511/** 9 VMPTRLD with invalid physical address. */
512#define VMX_ERROR_VMPTRLD_INVALID_PHYS_ADDR 9
513/** 10 VMPTRLD with VMXON pointer. */
514#define VMX_ERROR_VMPTRLD_VMXON_PTR 10
515/** 11 VMPTRLD with incorrect VMCS revision identifier. */
516#define VMX_ERROR_VMPTRLD_WRONG_VMCS_REVISION 11
517/** 12 VMREAD/VMWRITE from/to unsupported VMCS component. */
518#define VMX_ERROR_VMREAD_INVALID_COMPONENT 12
519#define VMX_ERROR_VMWRITE_INVALID_COMPONENT VMX_ERROR_VMREAD_INVALID_COMPONENT
520/** 13 VMWRITE to read-only VMCS component. */
521#define VMX_ERROR_VMWRITE_READONLY_COMPONENT 13
522/** 15 VMXON executed in VMX root operation. */
523#define VMX_ERROR_VMXON_IN_VMX_ROOT_OP 15
524/** 16 VM entry with invalid executive-VMCS pointer. */
525#define VMX_ERROR_VMENTRY_INVALID_VMCS_EXEC_PTR 16
526/** 17 VM entry with non-launched executive VMCS. */
527#define VMX_ERROR_VMENTRY_NON_LAUNCHED_EXEC_VMCS 17
528/** 18 VM entry with executive-VMCS pointer not VMXON pointer. */
529#define VMX_ERROR_VMENTRY_EXEC_VMCS_PTR 18
530/** 19 VMCALL with non-clear VMCS. */
531#define VMX_ERROR_VMCALL_NON_CLEAR_VMCS 19
532/** 20 VMCALL with invalid VM-exit control fields. */
533#define VMX_ERROR_VMCALL_INVALID_VMEXIT_FIELDS 20
534/** 22 VMCALL with incorrect MSEG revision identifier. */
535#define VMX_ERROR_VMCALL_INVALID_MSEG_REVISION 22
536/** 23 VMXOFF under dual-monitor treatment of SMIs and SMM. */
537#define VMX_ERROR_VMXOFF_DUAL_MONITOR 23
538/** 24 VMCALL with invalid SMM-monitor features. */
539#define VMX_ERROR_VMCALL_INVALID_SMM_MONITOR 24
540/** 25 VM entry with invalid VM-execution control fields in executive VMCS. */
541#define VMX_ERROR_VMENTRY_INVALID_VM_EXEC_CTRL 25
542/** 26 VM entry with events blocked by MOV SS. */
543#define VMX_ERROR_VMENTRY_MOV_SS 26
544
545/** @} */
546
547
548/** @name VMX MSRs - Basic VMX information.
549 * @{
550 */
551/** VMCS revision identifier used by the processor. */
552#define MSR_IA32_VMX_BASIC_INFO_VMCS_ID(a) (a & 0x7FFFFFFF)
553/** Size of the VMCS. */
554#define MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(a) ((a >> 32ULL) & 0xFFF)
555/** Width of physical address used for the VMCS.
556 * 0 -> limited to the available amount of physical ram
557 * 1 -> within the first 4 GB
558 */
559#define MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(a) ((a >> 48ULL) & 1)
560/** Whether the processor supports the dual-monitor treatment of system-management interrupts and system-management code. (always 1) */
561#define MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(a) ((a >> 49ULL) & 1)
562/** Memory type that must be used for the VMCS. */
563#define MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(a) ((a >> 50ULL) & 0xF)
564/** @} */
565
566
567/** @name VMX MSRs - Misc VMX info.
568 * @{
569 */
570/** Activity states supported by the implementation. */
571#define MSR_IA32_VMX_MISC_ACTIVITY_STATES(a) ((a >> 6ULL) & 0x7)
572/** Number of CR3 target values supported by the processor. (0-256) */
573#define MSR_IA32_VMX_MISC_CR3_TARGET(a) ((a >> 16ULL) & 0x1FF)
574/** Maximum nr of MSRs in the VMCS. (N+1)*512. */
575#define MSR_IA32_VMX_MISC_MAX_MSR(a) ((((a >> 25ULL) & 0x7) + 1) * 512)
576/** MSEG revision identifier used by the processor. */
577#define MSR_IA32_VMX_MISC_MSEG_ID(a) (a >> 32ULL)
578/** @} */
579
580
581/** @name VMX MSRs - VMCS enumeration field info
582 * @{
583 */
584/** Highest field index. */
585#define MSR_IA32_VMX_VMCS_ENUM_HIGHEST_INDEX(a) ((a >> 1ULL) & 0x1FF)
586
587/** @} */
588
589
590/** @name MSR_IA32_VMX_EPT_CAPS; EPT capabilities MSR
591 * @{
592 */
593#define MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY RT_BIT_64(0)
594#define MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY RT_BIT_64(1)
595#define MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY RT_BIT_64(2)
596#define MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS RT_BIT_64(3)
597#define MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS RT_BIT_64(4)
598#define MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS RT_BIT_64(5)
599#define MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS RT_BIT_64(6)
600#define MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS RT_BIT_64(7)
601#define MSR_IA32_VMX_EPT_CAPS_EMT_UC RT_BIT_64(8)
602#define MSR_IA32_VMX_EPT_CAPS_EMT_WC RT_BIT_64(9)
603#define MSR_IA32_VMX_EPT_CAPS_EMT_WT RT_BIT_64(12)
604#define MSR_IA32_VMX_EPT_CAPS_EMT_WP RT_BIT_64(13)
605#define MSR_IA32_VMX_EPT_CAPS_EMT_WB RT_BIT_64(14)
606#define MSR_IA32_VMX_EPT_CAPS_SP_21_BITS RT_BIT_64(16)
607#define MSR_IA32_VMX_EPT_CAPS_SP_30_BITS RT_BIT_64(17)
608#define MSR_IA32_VMX_EPT_CAPS_SP_39_BITS RT_BIT_64(18)
609#define MSR_IA32_VMX_EPT_CAPS_SP_48_BITS RT_BIT_64(19)
610#define MSR_IA32_VMX_EPT_CAPS_INVEPT RT_BIT_64(20)
611#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV RT_BIT_64(24)
612#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT RT_BIT_64(25)
613#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL RT_BIT_64(26)
614#define MSR_IA32_VMX_EPT_CAPS_INVVPID RT_BIT_64(32)
615#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV RT_BIT_64(40)
616#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT RT_BIT_64(41)
617#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL RT_BIT_64(42)
618#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL RT_BIT_64(43)
619
620/** @} */
621
622/** @name Extended Page Table Pointer (EPTP)
623 * @{
624 */
625/** Uncachable EPT paging structure memory type. */
626#define VMX_EPT_MEMTYPE_UC 0
627/** Write-back EPT paging structure memory type. */
628#define VMX_EPT_MEMTYPE_WB 6
629/** Shift value to get the EPT page walk length (bits 5-3) */
630#define VMX_EPT_PAGE_WALK_LENGTH_SHIFT 3
631/** Mask value to get the EPT page walk length (bits 5-3) */
632#define VMX_EPT_PAGE_WALK_LENGTH_MASK 7
633/** Default EPT page walk length */
634#define VMX_EPT_PAGE_WALK_LENGTH_DEFAULT 3
635/** @} */
636
637
638/** @name VMCS field encoding - 16 bits guest fields
639 * @{
640 */
641#define VMX_VMCS_GUEST_FIELD_VPID 0x0
642#define VMX_VMCS_GUEST_FIELD_ES 0x800
643#define VMX_VMCS_GUEST_FIELD_CS 0x802
644#define VMX_VMCS_GUEST_FIELD_SS 0x804
645#define VMX_VMCS_GUEST_FIELD_DS 0x806
646#define VMX_VMCS_GUEST_FIELD_FS 0x808
647#define VMX_VMCS_GUEST_FIELD_GS 0x80A
648#define VMX_VMCS_GUEST_FIELD_LDTR 0x80C
649#define VMX_VMCS_GUEST_FIELD_TR 0x80E
650/** @} */
651
652/** @name VMCS field encoding - 16 bits host fields
653 * @{
654 */
655#define VMX_VMCS_HOST_FIELD_ES 0xC00
656#define VMX_VMCS_HOST_FIELD_CS 0xC02
657#define VMX_VMCS_HOST_FIELD_SS 0xC04
658#define VMX_VMCS_HOST_FIELD_DS 0xC06
659#define VMX_VMCS_HOST_FIELD_FS 0xC08
660#define VMX_VMCS_HOST_FIELD_GS 0xC0A
661#define VMX_VMCS_HOST_FIELD_TR 0xC0C
662/** @} */
663
664/** @name VMCS field encoding - 64 bits host fields
665 * @{
666 */
667#define VMX_VMCS_HOST_FIELD_PAT_FULL 0x2C00
668#define VMX_VMCS_HOST_FIELD_PAT_HIGH 0x2C01
669#define VMX_VMCS_HOST_FIELD_EFER_FULL 0x2C02
670#define VMX_VMCS_HOST_FIELD_EFER_HIGH 0x2C03
671#define VMX_VMCS_HOST_PERF_GLOBAL_CTRL_FULL 0x2C04 /**< MSR IA32_PERF_GLOBAL_CTRL */
672#define VMX_VMCS_HOST_PERF_GLOBAL_CTRL_HIGH 0x2C05 /**< MSR IA32_PERF_GLOBAL_CTRL */
673/** @} */
674
675
676/** @name VMCS field encoding - 64 Bits control fields
677 * @{
678 */
679#define VMX_VMCS_CTRL_IO_BITMAP_A_FULL 0x2000
680#define VMX_VMCS_CTRL_IO_BITMAP_A_HIGH 0x2001
681#define VMX_VMCS_CTRL_IO_BITMAP_B_FULL 0x2002
682#define VMX_VMCS_CTRL_IO_BITMAP_B_HIGH 0x2003
683
684/* Optional */
685#define VMX_VMCS_CTRL_MSR_BITMAP_FULL 0x2004
686#define VMX_VMCS_CTRL_MSR_BITMAP_HIGH 0x2005
687
688#define VMX_VMCS_CTRL_VMEXIT_MSR_STORE_FULL 0x2006
689#define VMX_VMCS_CTRL_VMEXIT_MSR_STORE_HIGH 0x2007
690#define VMX_VMCS_CTRL_VMEXIT_MSR_LOAD_FULL 0x2008
691#define VMX_VMCS_CTRL_VMEXIT_MSR_LOAD_HIGH 0x2009
692
693#define VMX_VMCS_CTRL_VMENTRY_MSR_LOAD_FULL 0x200A
694#define VMX_VMCS_CTRL_VMENTRY_MSR_LOAD_HIGH 0x200B
695
696#define VMX_VMCS_CTRL_EXEC_VMCS_PTR_FULL 0x200C
697#define VMX_VMCS_CTRL_EXEC_VMCS_PTR_HIGH 0x200D
698
699#define VMX_VMCS_CTRL_TSC_OFFSET_FULL 0x2010
700#define VMX_VMCS_CTRL_TSC_OFFSET_HIGH 0x2011
701
702/** Optional (VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW) */
703#define VMX_VMCS_CTRL_VAPIC_PAGEADDR_FULL 0x2012
704#define VMX_VMCS_CTRL_VAPIC_PAGEADDR_HIGH 0x2013
705
706/** Optional (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC) */
707#define VMX_VMCS_CTRL_APIC_ACCESSADDR_FULL 0x2014
708#define VMX_VMCS_CTRL_APIC_ACCESSADDR_HIGH 0x2015
709
710/** Extended page table pointer. */
711#define VMX_VMCS_CTRL_EPTP_FULL 0x201a
712#define VMX_VMCS_CTRL_EPTP_HIGH 0x201b
713
714/** VM-exit phyiscal address. */
715#define VMX_VMCS_EXIT_PHYS_ADDR_FULL 0x2400
716#define VMX_VMCS_EXIT_PHYS_ADDR_HIGH 0x2401
717/** @} */
718
719
720/** @name VMCS field encoding - 64 Bits guest fields
721 * @{
722 */
723#define VMX_VMCS_GUEST_LINK_PTR_FULL 0x2800
724#define VMX_VMCS_GUEST_LINK_PTR_HIGH 0x2801
725#define VMX_VMCS_GUEST_DEBUGCTL_FULL 0x2802 /**< MSR IA32_DEBUGCTL */
726#define VMX_VMCS_GUEST_DEBUGCTL_HIGH 0x2803 /**< MSR IA32_DEBUGCTL */
727#define VMX_VMCS_GUEST_PAT_FULL 0x2804
728#define VMX_VMCS_GUEST_PAT_HIGH 0x2805
729#define VMX_VMCS_GUEST_EFER_FULL 0x2806
730#define VMX_VMCS_GUEST_EFER_HIGH 0x2807
731#define VMX_VMCS_GUEST_PERF_GLOBAL_CTRL_FULL 0x2808 /**< MSR IA32_PERF_GLOBAL_CTRL */
732#define VMX_VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH 0x2809 /**< MSR IA32_PERF_GLOBAL_CTRL */
733#define VMX_VMCS_GUEST_PDPTR0_FULL 0x280A
734#define VMX_VMCS_GUEST_PDPTR0_HIGH 0x280B
735#define VMX_VMCS_GUEST_PDPTR1_FULL 0x280C
736#define VMX_VMCS_GUEST_PDPTR1_HIGH 0x280D
737#define VMX_VMCS_GUEST_PDPTR2_FULL 0x280E
738#define VMX_VMCS_GUEST_PDPTR2_HIGH 0x280F
739#define VMX_VMCS_GUEST_PDPTR3_FULL 0x2810
740#define VMX_VMCS_GUEST_PDPTR3_HIGH 0x2811
741/** @} */
742
743
744/** @name VMCS field encoding - 32 Bits control fields
745 * @{
746 */
747#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS 0x4000
748#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS 0x4002
749#define VMX_VMCS_CTRL_EXCEPTION_BITMAP 0x4004
750#define VMX_VMCS_CTRL_PAGEFAULT_ERROR_MASK 0x4006
751#define VMX_VMCS_CTRL_PAGEFAULT_ERROR_MATCH 0x4008
752#define VMX_VMCS_CTRL_CR3_TARGET_COUNT 0x400A
753#define VMX_VMCS_CTRL_EXIT_CONTROLS 0x400C
754#define VMX_VMCS_CTRL_EXIT_MSR_STORE_COUNT 0x400E
755#define VMX_VMCS_CTRL_EXIT_MSR_LOAD_COUNT 0x4010
756#define VMX_VMCS_CTRL_ENTRY_CONTROLS 0x4012
757#define VMX_VMCS_CTRL_ENTRY_MSR_LOAD_COUNT 0x4014
758#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO 0x4016
759#define VMX_VMCS_CTRL_ENTRY_EXCEPTION_ERRCODE 0x4018
760#define VMX_VMCS_CTRL_ENTRY_INSTR_LENGTH 0x401A
761/** This field exists only on processors that support the 1-setting of the “use TPR shadow” VM-execution control. */
762#define VMX_VMCS_CTRL_TPR_THRESHOLD 0x401C
763/** This field exists only on processors that support the 1-setting of the “activate secondary controls” VM-execution control. */
764#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2 0x401E
765/** @} */
766
767
768/** @name VMX_VMCS_CTRL_PIN_EXEC_CONTROLS
769 * @{
770 */
771/** External interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */
772#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT RT_BIT(0)
773/** Non-maskable interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */
774#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT RT_BIT(3)
775/* All other bits are reserved and must be set according to MSR IA32_VMX_PROCBASED_CTLS. */
776/** @} */
777
778/** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS
779 * @{
780 */
781/** VM Exit as soon as RFLAGS.IF=1 and no blocking is active. */
782#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT RT_BIT(2)
783/** Use timestamp counter offset. */
784#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET RT_BIT(3)
785/** VM Exit when executing the HLT instruction. */
786#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT RT_BIT(7)
787/** VM Exit when executing the INVLPG instruction. */
788#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT RT_BIT(9)
789/** VM Exit when executing the MWAIT instruction. */
790#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT RT_BIT(10)
791/** VM Exit when executing the RDPMC instruction. */
792#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT RT_BIT(11)
793/** VM Exit when executing the RDTSC instruction. */
794#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT RT_BIT(12)
795/** 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) */
796#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT RT_BIT(15)
797/** 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) */
798#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT RT_BIT(16)
799/** VM Exit on CR8 loads. */
800#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT RT_BIT(19)
801/** VM Exit on CR8 stores. */
802#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT RT_BIT(20)
803/** Use TPR shadow. */
804#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW RT_BIT(21)
805/** VM Exit when executing a MOV DRx instruction. */
806#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT RT_BIT(23)
807/** VM Exit when executing IO instructions. */
808#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT RT_BIT(24)
809/** Use IO bitmaps. */
810#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS RT_BIT(25)
811/** Monitor trap flag. */
812#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG RT_BIT(27)
813/** Use MSR bitmaps. */
814#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS RT_BIT(28)
815/** VM Exit when executing the MONITOR instruction. */
816#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT RT_BIT(29)
817/** VM Exit when executing the PAUSE instruction. */
818#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT RT_BIT(30)
819/** Determines whether the secondary processor based VM-execution controls are used. */
820#define VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL RT_BIT(31)
821/** @} */
822
823/** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2
824 * @{
825 */
826/** Virtualize APIC access. */
827#define VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC RT_BIT(0)
828/** EPT supported/enabled. */
829#define VMX_VMCS_CTRL_PROC_EXEC2_EPT RT_BIT(1)
830/** VPID supported/enabled. */
831#define VMX_VMCS_CTRL_PROC_EXEC2_VPID RT_BIT(5)
832/** VM Exit when executing the WBINVD instruction. */
833#define VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT RT_BIT(6)
834/** @} */
835
836
837/** @name VMX_VMCS_CTRL_ENTRY_CONTROLS
838 * @{
839 */
840/** 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) */
841#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG RT_BIT(2)
842/** 64 bits guest mode. Must be 0 for CPUs that don't support AMD64. */
843#define VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE RT_BIT(9)
844/** In SMM mode after VM-entry. */
845#define VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM RT_BIT(10)
846/** Disable dual treatment of SMI and SMM; must be zero for VM-entry outside of SMM. */
847#define VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON RT_BIT(11)
848/** This control determines whether the guest IA32_PERF_GLOBAL_CTRL MSR is loaded on VM entry. */
849#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR RT_BIT(13)
850/** This control determines whether the guest IA32_PAT MSR is loaded on VM exit. */
851#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR RT_BIT(14)
852/** This control determines whether the guest IA32_EFER MSR is loaded on VM exit. */
853#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR RT_BIT(15)
854/** @} */
855
856
857/** @name VMX_VMCS_CTRL_EXIT_CONTROLS
858 * @{
859 */
860/** 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) */
861#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG RT_BIT(2)
862/** Return to long mode after a VM-exit. */
863#define VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 RT_BIT(9)
864/** This control determines whether the IA32_PERF_GLOBAL_CTRL MSR is loaded on VM exit. */
865#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_PERF_MSR RT_BIT(12)
866/** Acknowledge external interrupts with the irq controller if one caused a VM-exit. */
867#define VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ RT_BIT(15)
868/** This control determines whether the guest IA32_PAT MSR is saved on VM exit. */
869#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR RT_BIT(18)
870/** This control determines whether the host IA32_PAT MSR is loaded on VM exit. */
871#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR RT_BIT(19)
872/** This control determines whether the guest IA32_EFER MSR is saved on VM exit. */
873#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR RT_BIT(20)
874/** This control determines whether the host IA32_EFER MSR is loaded on VM exit. */
875#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR RT_BIT(21)
876/** This control determines whether the value of the VMX preemption timer is saved on VM exit. */
877#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER RT_BIT(22)
878/** @} */
879
880/** @name VMCS field encoding - 32 Bits read-only fields
881 * @{
882 */
883#define VMX_VMCS_RO_VM_INSTR_ERROR 0x4400
884#define VMX_VMCS_RO_EXIT_REASON 0x4402
885#define VMX_VMCS_RO_EXIT_INTERRUPTION_INFO 0x4404
886#define VMX_VMCS_RO_EXIT_INTERRUPTION_ERRCODE 0x4406
887#define VMX_VMCS_RO_IDT_INFO 0x4408
888#define VMX_VMCS_RO_IDT_ERRCODE 0x440A
889#define VMX_VMCS_RO_EXIT_INSTR_LENGTH 0x440C
890#define VMX_VMCS_RO_EXIT_INSTR_INFO 0x440E
891/** @} */
892
893/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO
894 * @{
895 */
896#define VMX_EXIT_INTERRUPTION_INFO_VECTOR(a) (a & 0xff)
897#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT 8
898#define VMX_EXIT_INTERRUPTION_INFO_TYPE(a) ((a >> VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT) & 7)
899#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID RT_BIT(11)
900#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_IS_VALID(a) (a & VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID)
901#define VMX_EXIT_INTERRUPTION_INFO_NMI_UNBLOCK(a) (a & RT_BIT(12))
902#define VMX_EXIT_INTERRUPTION_INFO_VALID_SHIFT 31
903#define VMX_EXIT_INTERRUPTION_INFO_VALID(a) (a & RT_BIT(31))
904/** Construct an irq event injection value from the exit interruption info value (same except that bit 12 is reserved). */
905#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO_FROM_EXIT_INT_INFO(a) (a & ~RT_BIT(12))
906/** @} */
907
908/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO_TYPE
909 * @{
910 */
911#define VMX_EXIT_INTERRUPTION_INFO_TYPE_EXT 0
912#define VMX_EXIT_INTERRUPTION_INFO_TYPE_NMI 2
913#define VMX_EXIT_INTERRUPTION_INFO_TYPE_HWEXCPT 3
914#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SW 4 /**< int xx */
915#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SWEXCPT 6
916/** @} */
917
918
919/** @name VMCS field encoding - 32 Bits guest state fields
920 * @{
921 */
922#define VMX_VMCS_GUEST_ES_LIMIT 0x4800
923#define VMX_VMCS_GUEST_CS_LIMIT 0x4802
924#define VMX_VMCS_GUEST_SS_LIMIT 0x4804
925#define VMX_VMCS_GUEST_DS_LIMIT 0x4806
926#define VMX_VMCS_GUEST_FS_LIMIT 0x4808
927#define VMX_VMCS_GUEST_GS_LIMIT 0x480A
928#define VMX_VMCS_GUEST_LDTR_LIMIT 0x480C
929#define VMX_VMCS_GUEST_TR_LIMIT 0x480E
930#define VMX_VMCS_GUEST_GDTR_LIMIT 0x4810
931#define VMX_VMCS_GUEST_IDTR_LIMIT 0x4812
932#define VMX_VMCS_GUEST_ES_ACCESS_RIGHTS 0x4814
933#define VMX_VMCS_GUEST_CS_ACCESS_RIGHTS 0x4816
934#define VMX_VMCS_GUEST_SS_ACCESS_RIGHTS 0x4818
935#define VMX_VMCS_GUEST_DS_ACCESS_RIGHTS 0x481A
936#define VMX_VMCS_GUEST_FS_ACCESS_RIGHTS 0x481C
937#define VMX_VMCS_GUEST_GS_ACCESS_RIGHTS 0x481E
938#define VMX_VMCS_GUEST_LDTR_ACCESS_RIGHTS 0x4820
939#define VMX_VMCS_GUEST_TR_ACCESS_RIGHTS 0x4822
940#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE 0x4824
941#define VMX_VMCS_GUEST_ACTIVITY_STATE 0x4826
942#define VMX_VMCS_GUEST_SYSENTER_CS 0x482A /**< MSR IA32_SYSENTER_CS */
943#define VMX_VMCS_GUEST_PREEMPTION_TIMER_VALUE 0x482E
944/** @} */
945
946
947/** @name VMX_VMCS_GUEST_ACTIVITY_STATE
948 * @{
949 */
950/** The logical processor is active. */
951#define VMX_CMS_GUEST_ACTIVITY_ACTIVE 0x0
952/** The logical processor is inactive, because executed a HLT instruction. */
953#define VMX_CMS_GUEST_ACTIVITY_HLT 0x1
954/** The logical processor is inactive, because of a triple fault or other serious error. */
955#define VMX_CMS_GUEST_ACTIVITY_SHUTDOWN 0x2
956/** The logical processor is inactive, because it's waiting for a startup-IPI */
957#define VMX_CMS_GUEST_ACTIVITY_SIPI_WAIT 0x3
958/** @} */
959
960
961/** @name VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE
962 * @{
963 */
964#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_STI RT_BIT(0)
965#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_MOVSS RT_BIT(1)
966#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_SMI RT_BIT(2)
967#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_NMI RT_BIT(3)
968/** @} */
969
970
971/** @name VMCS field encoding - 32 Bits host state fields
972 * @{
973 */
974#define VMX_VMCS_HOST_SYSENTER_CS 0x4C00
975/** @} */
976
977/** @name Natural width control fields
978 * @{
979 */
980#define VMX_VMCS_CTRL_CR0_MASK 0x6000
981#define VMX_VMCS_CTRL_CR4_MASK 0x6002
982#define VMX_VMCS_CTRL_CR0_READ_SHADOW 0x6004
983#define VMX_VMCS_CTRL_CR4_READ_SHADOW 0x6006
984#define VMX_VMCS_CTRL_CR3_TARGET_VAL0 0x6008
985#define VMX_VMCS_CTRL_CR3_TARGET_VAL1 0x600A
986#define VMX_VMCS_CTRL_CR3_TARGET_VAL2 0x600C
987#define VMX_VMCS_CTRL_CR3_TARGET_VAL31 0x600E
988/** @} */
989
990
991/** @name Natural width read-only data fields
992 * @{
993 */
994#define VMX_VMCS_RO_EXIT_QUALIFICATION 0x6400
995#define VMX_VMCS_RO_IO_RCX 0x6402
996#define VMX_VMCS_RO_IO_RSX 0x6404
997#define VMX_VMCS_RO_IO_RDI 0x6406
998#define VMX_VMCS_RO_IO_RIP 0x6408
999#define VMX_VMCS_EXIT_GUEST_LINEAR_ADDR 0x640A
1000/** @} */
1001
1002
1003/** @name VMX_VMCS_RO_EXIT_QUALIFICATION
1004 * @{
1005 */
1006/** 0-2: Debug register number */
1007#define VMX_EXIT_QUALIFICATION_DRX_REGISTER(a) (a & 7)
1008/** 3: Reserved; cleared to 0. */
1009#define VMX_EXIT_QUALIFICATION_DRX_RES1(a) ((a >> 3) & 1)
1010/** 4: Direction of move (0 = write, 1 = read) */
1011#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION(a) ((a >> 4) & 1)
1012/** 5-7: Reserved; cleared to 0. */
1013#define VMX_EXIT_QUALIFICATION_DRX_RES2(a) ((a >> 5) & 7)
1014/** 8-11: General purpose register number. */
1015#define VMX_EXIT_QUALIFICATION_DRX_GENREG(a) ((a >> 8) & 0xF)
1016/** Rest: reserved. */
1017/** @} */
1018
1019/** @name VMX_EXIT_QUALIFICATION_DRX_DIRECTION values
1020 * @{
1021 */
1022#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_WRITE 0
1023#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_READ 1
1024/** @} */
1025
1026
1027
1028/** @name CRx accesses
1029 * @{
1030 */
1031/** 0-3: Control register number (0 for CLTS & LMSW) */
1032#define VMX_EXIT_QUALIFICATION_CRX_REGISTER(a) (a & 0xF)
1033/** 4-5: Access type. */
1034#define VMX_EXIT_QUALIFICATION_CRX_ACCESS(a) ((a >> 4) & 3)
1035/** 6: LMSW operand type */
1036#define VMX_EXIT_QUALIFICATION_CRX_LMSW_OP(a) ((a >> 6) & 1)
1037/** 7: Reserved; cleared to 0. */
1038#define VMX_EXIT_QUALIFICATION_CRX_RES1(a) ((a >> 7) & 1)
1039/** 8-11: General purpose register number (0 for CLTS & LMSW). */
1040#define VMX_EXIT_QUALIFICATION_CRX_GENREG(a) ((a >> 8) & 0xF)
1041/** 12-15: Reserved; cleared to 0. */
1042#define VMX_EXIT_QUALIFICATION_CRX_RES2(a) ((a >> 12) & 0xF)
1043/** 16-31: LMSW source data (else 0). */
1044#define VMX_EXIT_QUALIFICATION_CRX_LMSW_DATA(a) ((a >> 16) & 0xFFFF)
1045/** Rest: reserved. */
1046/** @} */
1047
1048/** @name VMX_EXIT_QUALIFICATION_CRX_ACCESS
1049 * @{
1050 */
1051#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_WRITE 0
1052#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_READ 1
1053#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_CLTS 2
1054#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_LMSW 3
1055/** @} */
1056
1057
1058/** @name VMX_EXIT_EPT_VIOLATION
1059 * @{
1060 */
1061/** Set if the violation was caused by a data read. */
1062#define VMX_EXIT_QUALIFICATION_EPT_DATA_READ RT_BIT(0)
1063/** Set if the violation was caused by a data write. */
1064#define VMX_EXIT_QUALIFICATION_EPT_DATA_WRITE RT_BIT(1)
1065/** Set if the violation was caused by an insruction fetch. */
1066#define VMX_EXIT_QUALIFICATION_EPT_INSTR_FETCH RT_BIT(2)
1067/** AND of the present bit of all EPT structures. */
1068#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_PRESENT RT_BIT(3)
1069/** AND of the write bit of all EPT structures. */
1070#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_WRITE RT_BIT(4)
1071/** AND of the execute bit of all EPT structures. */
1072#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_EXECUTE RT_BIT(5)
1073/** Set if the guest linear address field contains the faulting address. */
1074#define VMX_EXIT_QUALIFICATION_EPT_GUEST_ADDR_VALID RT_BIT(7)
1075/** If bit 7 is one: (reserved otherwise)
1076 * 1 - violation due to physical address access.
1077 * 0 - violation caused by page walk or access/dirty bit updates
1078 */
1079#define VMX_EXIT_QUALIFICATION_EPT_TRANSLATED_ACCESS RT_BIT(8)
1080/** @} */
1081
1082
1083/** @name VMX_EXIT_PORT_IO
1084 * @{
1085 */
1086/** 0-2: IO operation width. */
1087#define VMX_EXIT_QUALIFICATION_IO_WIDTH(a) (a & 7)
1088/** 3: IO operation direction. */
1089#define VMX_EXIT_QUALIFICATION_IO_DIRECTION(a) ((a >> 3) & 1)
1090/** 4: String IO operation. */
1091#define VMX_EXIT_QUALIFICATION_IO_STRING(a) ((a >> 4) & 1)
1092/** 5: Repeated IO operation. */
1093#define VMX_EXIT_QUALIFICATION_IO_REP(a) ((a >> 5) & 1)
1094/** 6: Operand encoding. */
1095#define VMX_EXIT_QUALIFICATION_IO_ENCODING(a) ((a >> 6) & 1)
1096/** 16-31: IO Port (0-0xffff). */
1097#define VMX_EXIT_QUALIFICATION_IO_PORT(a) ((a >> 16) & 0xffff)
1098/* Rest reserved. */
1099/** @} */
1100
1101/** @name VMX_EXIT_QUALIFICATION_IO_DIRECTION
1102 * @{
1103 */
1104#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_OUT 0
1105#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_IN 1
1106/** @} */
1107
1108
1109/** @name VMX_EXIT_QUALIFICATION_IO_ENCODING
1110 * @{
1111 */
1112#define VMX_EXIT_QUALIFICATION_IO_ENCODING_DX 0
1113#define VMX_EXIT_QUALIFICATION_IO_ENCODING_IMM 1
1114/** @} */
1115
1116/** @} */
1117
1118/** @name VMCS field encoding - Natural width guest state fields
1119 * @{
1120 */
1121#define VMX_VMCS_GUEST_CR0 0x6800
1122#define VMX_VMCS_GUEST_CR3 0x6802
1123#define VMX_VMCS_GUEST_CR4 0x6804
1124#define VMX_VMCS_GUEST_ES_BASE 0x6806
1125#define VMX_VMCS_GUEST_CS_BASE 0x6808
1126#define VMX_VMCS_GUEST_SS_BASE 0x680A
1127#define VMX_VMCS_GUEST_DS_BASE 0x680C
1128#define VMX_VMCS_GUEST_FS_BASE 0x680E
1129#define VMX_VMCS_GUEST_GS_BASE 0x6810
1130#define VMX_VMCS_GUEST_LDTR_BASE 0x6812
1131#define VMX_VMCS_GUEST_TR_BASE 0x6814
1132#define VMX_VMCS_GUEST_GDTR_BASE 0x6816
1133#define VMX_VMCS_GUEST_IDTR_BASE 0x6818
1134#define VMX_VMCS_GUEST_DR7 0x681A
1135#define VMX_VMCS_GUEST_RSP 0x681C
1136#define VMX_VMCS_GUEST_RIP 0x681E
1137#define VMX_VMCS_GUEST_RFLAGS 0x6820
1138#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS 0x6822
1139#define VMX_VMCS_GUEST_SYSENTER_ESP 0x6824 /**< MSR IA32_SYSENTER_ESP */
1140#define VMX_VMCS_GUEST_SYSENTER_EIP 0x6826 /**< MSR IA32_SYSENTER_EIP */
1141/** @} */
1142
1143
1144/** @name VMX_VMCS_GUEST_DEBUG_EXCEPTIONS
1145 * @{
1146 */
1147/** Hardware breakpoint 0 was met. */
1148#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B0 RT_BIT(0)
1149/** Hardware breakpoint 1 was met. */
1150#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B1 RT_BIT(1)
1151/** Hardware breakpoint 2 was met. */
1152#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B2 RT_BIT(2)
1153/** Hardware breakpoint 3 was met. */
1154#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B3 RT_BIT(3)
1155/** At least one data or IO breakpoint was hit. */
1156#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BREAKPOINT_ENABLED RT_BIT(12)
1157/** A debug exception would have been triggered by single-step execution mode. */
1158#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BS RT_BIT(14)
1159/** Bits 4-11, 13 and 15-63 are reserved. */
1160
1161/** @} */
1162
1163/** @name VMCS field encoding - Natural width host state fields
1164 * @{
1165 */
1166#define VMX_VMCS_HOST_CR0 0x6C00
1167#define VMX_VMCS_HOST_CR3 0x6C02
1168#define VMX_VMCS_HOST_CR4 0x6C04
1169#define VMX_VMCS_HOST_FS_BASE 0x6C06
1170#define VMX_VMCS_HOST_GS_BASE 0x6C08
1171#define VMX_VMCS_HOST_TR_BASE 0x6C0A
1172#define VMX_VMCS_HOST_GDTR_BASE 0x6C0C
1173#define VMX_VMCS_HOST_IDTR_BASE 0x6C0E
1174#define VMX_VMCS_HOST_SYSENTER_ESP 0x6C10
1175#define VMX_VMCS_HOST_SYSENTER_EIP 0x6C12
1176#define VMX_VMCS_HOST_RSP 0x6C14
1177#define VMX_VMCS_HOST_RIP 0x6C16
1178/** @} */
1179
1180/** @} */
1181
1182
1183#if RT_INLINE_ASM_GNU_STYLE
1184# define __STR(x) #x
1185# define STR(x) __STR(x)
1186#endif
1187
1188
1189/** @defgroup grp_vmx_asm vmx assembly helpers
1190 * @ingroup grp_vmx
1191 * @{
1192 */
1193
1194/**
1195 * Executes VMXON
1196 *
1197 * @returns VBox status code
1198 * @param pVMXOn Physical address of VMXON structure
1199 */
1200#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1201DECLASM(int) VMXEnable(RTHCPHYS pVMXOn);
1202#else
1203DECLINLINE(int) VMXEnable(RTHCPHYS pVMXOn)
1204{
1205 int rc = VINF_SUCCESS;
1206# if RT_INLINE_ASM_GNU_STYLE
1207 __asm__ __volatile__ (
1208 "push %3 \n\t"
1209 "push %2 \n\t"
1210 ".byte 0xF3, 0x0F, 0xC7, 0x34, 0x24 # VMXON [esp] \n\t"
1211 "ja 2f \n\t"
1212 "je 1f \n\t"
1213 "movl $"STR(VERR_VMX_INVALID_VMXON_PTR)", %0 \n\t"
1214 "jmp 2f \n\t"
1215 "1: \n\t"
1216 "movl $"STR(VERR_VMX_GENERIC)", %0 \n\t"
1217 "2: \n\t"
1218 "add $8, %%esp \n\t"
1219 :"=rm"(rc)
1220 :"0"(VINF_SUCCESS),
1221 "ir"((uint32_t)pVMXOn), /* don't allow direct memory reference here, */
1222 "ir"((uint32_t)(pVMXOn >> 32)) /* this would not work with -fomit-frame-pointer */
1223 :"memory"
1224 );
1225# else
1226 __asm
1227 {
1228 push dword ptr [pVMXOn+4]
1229 push dword ptr [pVMXOn]
1230 _emit 0xF3
1231 _emit 0x0F
1232 _emit 0xC7
1233 _emit 0x34
1234 _emit 0x24 /* VMXON [esp] */
1235 jnc vmxon_good
1236 mov dword ptr [rc], VERR_VMX_INVALID_VMXON_PTR
1237 jmp the_end
1238
1239vmxon_good:
1240 jnz the_end
1241 mov dword ptr [rc], VERR_VMX_GENERIC
1242the_end:
1243 add esp, 8
1244 }
1245# endif
1246 return rc;
1247}
1248#endif
1249
1250
1251/**
1252 * Executes VMXOFF
1253 */
1254#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1255DECLASM(void) VMXDisable(void);
1256#else
1257DECLINLINE(void) VMXDisable(void)
1258{
1259# if RT_INLINE_ASM_GNU_STYLE
1260 __asm__ __volatile__ (
1261 ".byte 0x0F, 0x01, 0xC4 # VMXOFF \n\t"
1262 );
1263# else
1264 __asm
1265 {
1266 _emit 0x0F
1267 _emit 0x01
1268 _emit 0xC4 /* VMXOFF */
1269 }
1270# endif
1271}
1272#endif
1273
1274
1275/**
1276 * Executes VMCLEAR
1277 *
1278 * @returns VBox status code
1279 * @param pVMCS Physical address of VM control structure
1280 */
1281#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1282DECLASM(int) VMXClearVMCS(RTHCPHYS pVMCS);
1283#else
1284DECLINLINE(int) VMXClearVMCS(RTHCPHYS pVMCS)
1285{
1286 int rc = VINF_SUCCESS;
1287# if RT_INLINE_ASM_GNU_STYLE
1288 __asm__ __volatile__ (
1289 "push %3 \n\t"
1290 "push %2 \n\t"
1291 ".byte 0x66, 0x0F, 0xC7, 0x34, 0x24 # VMCLEAR [esp] \n\t"
1292 "jnc 1f \n\t"
1293 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1294 "1: \n\t"
1295 "add $8, %%esp \n\t"
1296 :"=rm"(rc)
1297 :"0"(VINF_SUCCESS),
1298 "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1299 "ir"((uint32_t)(pVMCS >> 32)) /* this would not work with -fomit-frame-pointer */
1300 :"memory"
1301 );
1302# else
1303 __asm
1304 {
1305 push dword ptr [pVMCS+4]
1306 push dword ptr [pVMCS]
1307 _emit 0x66
1308 _emit 0x0F
1309 _emit 0xC7
1310 _emit 0x34
1311 _emit 0x24 /* VMCLEAR [esp] */
1312 jnc success
1313 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1314success:
1315 add esp, 8
1316 }
1317# endif
1318 return rc;
1319}
1320#endif
1321
1322
1323/**
1324 * Executes VMPTRLD
1325 *
1326 * @returns VBox status code
1327 * @param pVMCS Physical address of VMCS structure
1328 */
1329#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1330DECLASM(int) VMXActivateVMCS(RTHCPHYS pVMCS);
1331#else
1332DECLINLINE(int) VMXActivateVMCS(RTHCPHYS pVMCS)
1333{
1334 int rc = VINF_SUCCESS;
1335# if RT_INLINE_ASM_GNU_STYLE
1336 __asm__ __volatile__ (
1337 "push %3 \n\t"
1338 "push %2 \n\t"
1339 ".byte 0x0F, 0xC7, 0x34, 0x24 # VMPTRLD [esp] \n\t"
1340 "jnc 1f \n\t"
1341 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1342 "1: \n\t"
1343 "add $8, %%esp \n\t"
1344 :"=rm"(rc)
1345 :"0"(VINF_SUCCESS),
1346 "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1347 "ir"((uint32_t)(pVMCS >> 32)) /* this will not work with -fomit-frame-pointer */
1348 );
1349# else
1350 __asm
1351 {
1352 push dword ptr [pVMCS+4]
1353 push dword ptr [pVMCS]
1354 _emit 0x0F
1355 _emit 0xC7
1356 _emit 0x34
1357 _emit 0x24 /* VMPTRLD [esp] */
1358 jnc success
1359 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1360
1361success:
1362 add esp, 8
1363 }
1364# endif
1365 return rc;
1366}
1367#endif
1368
1369/**
1370 * Executes VMPTRST
1371 *
1372 * @returns VBox status code
1373 * @param pVMCS Address that will receive the current pointer
1374 */
1375DECLASM(int) VMXGetActivateVMCS(RTHCPHYS *pVMCS);
1376
1377/**
1378 * Executes VMWRITE
1379 *
1380 * @returns VBox status code
1381 * @param idxField VMCS index
1382 * @param u64Val 16, 32 or 64 bits value
1383 */
1384DECLASM(int) VMXWriteVMCS64(uint32_t idxField, uint64_t u64Val);
1385
1386/**
1387 * Executes VMWRITE
1388 *
1389 * @returns VBox status code
1390 * @param idxField VMCS index
1391 * @param u32Val 32 bits value
1392 */
1393#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1394DECLASM(int) VMXWriteVMCS32(uint32_t idxField, uint32_t u32Val);
1395#else
1396DECLINLINE(int) VMXWriteVMCS32(uint32_t idxField, uint32_t u32Val)
1397{
1398 int rc = VINF_SUCCESS;
1399# if RT_INLINE_ASM_GNU_STYLE
1400 __asm__ __volatile__ (
1401 ".byte 0x0F, 0x79, 0xC2 # VMWRITE eax, edx \n\t"
1402 "ja 2f \n\t"
1403 "je 1f \n\t"
1404 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1405 "jmp 2f \n\t"
1406 "1: \n\t"
1407 "movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
1408 "2: \n\t"
1409 :"=rm"(rc)
1410 :"0"(VINF_SUCCESS),
1411 "a"(idxField),
1412 "d"(u32Val)
1413 );
1414# else
1415 __asm
1416 {
1417 push dword ptr [u32Val]
1418 mov eax, [idxField]
1419 _emit 0x0F
1420 _emit 0x79
1421 _emit 0x04
1422 _emit 0x24 /* VMWRITE eax, [esp] */
1423 jnc valid_vmcs
1424 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1425 jmp the_end
1426
1427valid_vmcs:
1428 jnz the_end
1429 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
1430the_end:
1431 add esp, 4
1432 }
1433# endif
1434 return rc;
1435}
1436#endif
1437
1438#if HC_ARCH_BITS == 64
1439#define VMXWriteVMCS VMXWriteVMCS64
1440#else
1441#define VMXWriteVMCS VMXWriteVMCS32
1442#endif /* HC_ARCH_BITS == 64 */
1443
1444
1445/**
1446 * Executes VMREAD
1447 *
1448 * @returns VBox status code
1449 * @param idxField VMCS index
1450 * @param pData Ptr to store VM field value
1451 */
1452DECLASM(int) VMXReadVMCS64(uint32_t idxField, uint64_t *pData);
1453
1454/**
1455 * Invalidate a page using invept
1456 * @returns VBox status code
1457 * @param enmFlush Type of flush
1458 * @param pDescriptor Descriptor
1459 */
1460DECLASM(int) VMXR0InvEPT(VMX_FLUSH enmFlush, uint64_t *pDescriptor);
1461
1462/**
1463 * Invalidate a page using invvpid
1464 * @returns VBox status code
1465 * @param enmFlush Type of flush
1466 * @param pDescriptor Descriptor
1467 */
1468DECLASM(int) VMXR0InvVPID(VMX_FLUSH enmFlush, uint64_t *pDescriptor);
1469
1470/**
1471 * Executes VMREAD
1472 *
1473 * @returns VBox status code
1474 * @param idxField VMCS index
1475 * @param pData Ptr to store VM field value
1476 */
1477#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1478DECLASM(int) VMXReadVMCS32(uint32_t idxField, uint32_t *pData);
1479#else
1480DECLINLINE(int) VMXReadVMCS32(uint32_t idxField, uint32_t *pData)
1481{
1482 int rc = VINF_SUCCESS;
1483# if RT_INLINE_ASM_GNU_STYLE
1484 __asm__ __volatile__ (
1485 "movl $"STR(VINF_SUCCESS)", %0 \n\t"
1486 ".byte 0x0F, 0x78, 0xc2 # VMREAD eax, edx \n\t"
1487 "ja 2f \n\t"
1488 "je 1f \n\t"
1489 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1490 "jmp 2f \n\t"
1491 "1: \n\t"
1492 "movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
1493 "2: \n\t"
1494 :"=&r"(rc),
1495 "=d"(*pData)
1496 :"a"(idxField),
1497 "d"(0)
1498 );
1499# else
1500 __asm
1501 {
1502 sub esp, 4
1503 mov dword ptr [esp], 0
1504 mov eax, [idxField]
1505 _emit 0x0F
1506 _emit 0x78
1507 _emit 0x04
1508 _emit 0x24 /* VMREAD eax, [esp] */
1509 mov edx, pData
1510 pop dword ptr [edx]
1511 jnc valid_vmcs
1512 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1513 jmp the_end
1514
1515valid_vmcs:
1516 jnz the_end
1517 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
1518the_end:
1519 }
1520# endif
1521 return rc;
1522}
1523#endif
1524
1525#if HC_ARCH_BITS == 64
1526# define VMXReadVMCS VMXReadVMCS64
1527#else
1528# define VMXReadVMCS VMXReadVMCS32
1529#endif /* HC_ARCH_BITS == 64 */
1530
1531/**
1532 * Gets the last instruction error value from the current VMCS
1533 *
1534 * @returns error value
1535 */
1536DECLINLINE(uint32_t) VMXGetLastError(void)
1537{
1538#if HC_ARCH_BITS == 64
1539 uint64_t uLastError = 0;
1540 int rc = VMXReadVMCS(VMX_VMCS_RO_VM_INSTR_ERROR, &uLastError);
1541 AssertRC(rc);
1542 return (uint32_t)uLastError;
1543
1544#else /* 32-bit host: */
1545 uint32_t uLastError = 0;
1546 int rc = VMXReadVMCS32(VMX_VMCS_RO_VM_INSTR_ERROR, &uLastError);
1547 AssertRC(rc);
1548 return uLastError;
1549#endif
1550}
1551
1552#ifdef IN_RING0
1553VMMR0DECL(int) VMXR0InvalidatePage(PVM pVM, RTGCPTR GCVirt);
1554VMMR0DECL(int) VMXR0InvalidatePhysPage(PVM pVM, RTGCPHYS GCPhys);
1555#endif /* IN_RING0 */
1556
1557/** @} */
1558
1559#endif
1560
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