VirtualBox

source: vbox/trunk/include/VBox/hwacc_vmx.h@ 14581

Last change on this file since 14581 was 14581, checked in by vboxsync, 16 years ago

Explicit VMCS field width.

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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#include <VBox/x86.h>
38
39/** @defgroup grp_vmx vmx Types and Definitions
40 * @ingroup grp_hwaccm
41 * @{
42 */
43
44/** @name VMX EPT paging structures
45 * @{
46 */
47
48/**
49 * Number of page table entries in the EPT. (PDPTE/PDE/PTE)
50 */
51#define EPT_PG_ENTRIES X86_PG_PAE_ENTRIES
52
53/**
54 * EPT Page Directory Pointer Entry. Bit view.
55 * @todo uint64_t isn't safe for bitfields (gcc pedantic warnings, and IIRC,
56 * this did cause trouble with one compiler/version).
57 */
58#pragma pack(1)
59typedef struct EPTPML4EBITS
60{
61 /** Present bit. */
62 uint64_t u1Present : 1;
63 /** Writable bit. */
64 uint64_t u1Write : 1;
65 /** Executable bit. */
66 uint64_t u1Execute : 1;
67 /** Reserved (must be 0). */
68 uint64_t u5Reserved : 5;
69 /** Available for software. */
70 uint64_t u4Available : 4;
71 /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */
72 uint64_t u40PhysAddr : 40;
73 /** Availabe for software. */
74 uint64_t u12Available : 12;
75} EPTPML4EBITS;
76#pragma pack()
77AssertCompileSize(EPTPML4EBITS, 8);
78
79/** Bits 12-51 - - EPT - Physical Page number of the next level. */
80#define EPT_PML4E_PG_MASK X86_PML4E_PG_MASK_FULL
81/** The page shift to get the PML4 index. */
82#define EPT_PML4_SHIFT X86_PML4_SHIFT
83/** The PML4 index mask (apply to a shifted page address). */
84#define EPT_PML4_MASK X86_PML4_MASK
85
86/**
87 * EPT PML4E.
88 */
89#pragma pack(1)
90typedef union EPTPML4E
91{
92 /** Normal view. */
93 EPTPML4EBITS n;
94 /** Unsigned integer view. */
95 X86PGPAEUINT u;
96 /** 64 bit unsigned integer view. */
97 uint64_t au64[1];
98 /** 32 bit unsigned integer view. */
99 uint32_t au32[2];
100} EPTPML4E;
101#pragma pack()
102/** Pointer to a PML4 table entry. */
103typedef EPTPML4E *PEPTPML4E;
104/** Pointer to a const PML4 table entry. */
105typedef const EPTPML4E *PCEPTPML4E;
106AssertCompileSize(EPTPML4E, 8);
107
108/**
109 * EPT PML4 Table.
110 */
111#pragma pack(1)
112typedef struct EPTPML4
113{
114 EPTPML4E a[EPT_PG_ENTRIES];
115} EPTPML4;
116#pragma pack()
117/** Pointer to an EPT PML4 Table. */
118typedef EPTPML4 *PEPTPML4;
119/** Pointer to a const EPT PML4 Table. */
120typedef const EPTPML4 *PCEPTPML4;
121
122/**
123 * EPT Page Directory Pointer Entry. Bit view.
124 */
125#pragma pack(1)
126typedef struct EPTPDPTEBITS
127{
128 /** Present bit. */
129 uint64_t u1Present : 1;
130 /** Writable bit. */
131 uint64_t u1Write : 1;
132 /** Executable bit. */
133 uint64_t u1Execute : 1;
134 /** Reserved (must be 0). */
135 uint64_t u5Reserved : 5;
136 /** Available for software. */
137 uint64_t u4Available : 4;
138 /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */
139 uint64_t u40PhysAddr : 40;
140 /** Availabe for software. */
141 uint64_t u12Available : 12;
142} EPTPDPTEBITS;
143#pragma pack()
144AssertCompileSize(EPTPDPTEBITS, 8);
145
146/** Bits 12-51 - - EPT - Physical Page number of the next level. */
147#define EPT_PDPTE_PG_MASK X86_PDPE_PG_MASK_FULL
148/** The page shift to get the PDPT index. */
149#define EPT_PDPT_SHIFT X86_PDPT_SHIFT
150/** The PDPT index mask (apply to a shifted page address). */
151#define EPT_PDPT_MASK X86_PDPT_MASK_AMD64
152
153/**
154 * EPT Page Directory Pointer.
155 */
156#pragma pack(1)
157typedef union EPTPDPTE
158{
159 /** Normal view. */
160 EPTPDPTEBITS n;
161 /** Unsigned integer view. */
162 X86PGPAEUINT u;
163 /** 64 bit unsigned integer view. */
164 uint64_t au64[1];
165 /** 32 bit unsigned integer view. */
166 uint32_t au32[2];
167} EPTPDPTE;
168#pragma pack()
169/** Pointer to an EPT Page Directory Pointer Entry. */
170typedef EPTPDPTE *PEPTPDPTE;
171/** Pointer to a const EPT Page Directory Pointer Entry. */
172typedef const EPTPDPTE *PCEPTPDPTE;
173AssertCompileSize(EPTPDPTE, 8);
174
175/**
176 * EPT Page Directory Pointer Table.
177 */
178#pragma pack(1)
179typedef struct EPTPDPT
180{
181 EPTPDPTE a[EPT_PG_ENTRIES];
182} EPTPDPT;
183#pragma pack()
184/** Pointer to an EPT Page Directory Pointer Table. */
185typedef EPTPDPT *PEPTPDPT;
186/** Pointer to a const EPT Page Directory Pointer Table. */
187typedef const EPTPDPT *PCEPTPDPT;
188
189
190/**
191 * EPT Page Directory Table Entry. Bit view.
192 */
193#pragma pack(1)
194typedef struct EPTPDEBITS
195{
196 /** Present bit. */
197 uint64_t u1Present : 1;
198 /** Writable bit. */
199 uint64_t u1Write : 1;
200 /** Executable bit. */
201 uint64_t u1Execute : 1;
202 /** Reserved (must be 0). */
203 uint64_t u4Reserved : 4;
204 /** Big page (must be 0 here). */
205 uint64_t u1Big : 1;
206 /** Available for software. */
207 uint64_t u4Available : 4;
208 /** Physical address of page table. Restricted by maximum physical address width of the cpu. */
209 uint64_t u40PhysAddr : 40;
210 /** Availabe for software. */
211 uint64_t u12Available : 12;
212} EPTPDEBITS;
213#pragma pack()
214AssertCompileSize(EPTPDEBITS, 8);
215
216/** Bits 12-51 - - EPT - Physical Page number of the next level. */
217#define EPT_PDE_PG_MASK X86_PDE_PAE_PG_MASK_FULL
218/** The page shift to get the PD index. */
219#define EPT_PD_SHIFT X86_PD_PAE_SHIFT
220/** The PD index mask (apply to a shifted page address). */
221#define EPT_PD_MASK X86_PD_PAE_MASK
222
223/**
224 * EPT 2MB Page Directory Table Entry. Bit view.
225 */
226#pragma pack(1)
227typedef struct EPTPDE2MBITS
228{
229 /** Present bit. */
230 uint64_t u1Present : 1;
231 /** Writable bit. */
232 uint64_t u1Write : 1;
233 /** Executable bit. */
234 uint64_t u1Execute : 1;
235 /** EPT Table Memory Type. MBZ for non-leaf nodes. */
236 uint64_t u3EMT : 3;
237 /** Ignore PAT memory type */
238 uint64_t u1IgnorePAT : 1;
239 /** Big page (must be 1 here). */
240 uint64_t u1Size : 1;
241 /** Available for software. */
242 uint64_t u4Available : 4;
243 /** Reserved (must be 0). */
244 uint64_t u9Reserved : 9;
245 /** Physical address of the 2MB page. Restricted by maximum physical address width of the cpu. */
246 uint64_t u31PhysAddr : 31;
247 /** Availabe for software. */
248 uint64_t u12Available : 12;
249} EPTPDE2MBITS;
250#pragma pack()
251AssertCompileSize(EPTPDE2MBITS, 8);
252
253/** Bits 21-51 - - EPT - Physical Page number of the next level. */
254#define EPT_PDE2M_PG_MASK ( 0x000fffffffe00000ULL )
255
256/**
257 * EPT Page Directory Table Entry.
258 */
259#pragma pack(1)
260typedef union EPTPDE
261{
262 /** Normal view. */
263 EPTPDEBITS n;
264 /** 2MB view (big). */
265 EPTPDE2MBITS b;
266 /** Unsigned integer view. */
267 X86PGPAEUINT u;
268 /** 64 bit unsigned integer view. */
269 uint64_t au64[1];
270 /** 32 bit unsigned integer view. */
271 uint32_t au32[2];
272} EPTPDE;
273#pragma pack()
274/** Pointer to an EPT Page Directory Table Entry. */
275typedef EPTPDE *PEPTPDE;
276/** Pointer to a const EPT Page Directory Table Entry. */
277typedef const EPTPDE *PCEPTPDE;
278AssertCompileSize(EPTPDE, 8);
279
280/**
281 * EPT Page Directory Table.
282 */
283#pragma pack(1)
284typedef struct EPTPD
285{
286 EPTPDE a[EPT_PG_ENTRIES];
287} EPTPD;
288#pragma pack()
289/** Pointer to an EPT Page Directory Table. */
290typedef EPTPD *PEPTPD;
291/** Pointer to a const EPT Page Directory Table. */
292typedef const EPTPD *PCEPTPD;
293
294
295/**
296 * EPT Page Table Entry. Bit view.
297 */
298#pragma pack(1)
299typedef struct EPTPTEBITS
300{
301 /** Present bit. */
302 uint64_t u1Present : 1;
303 /** Writable bit. */
304 uint64_t u1Write : 1;
305 /** Executable bit. */
306 uint64_t u1Execute : 1;
307 /** EPT Table Memory Type. MBZ for non-leaf nodes. */
308 uint64_t u3EMT : 3;
309 /** Ignore PAT memory type */
310 uint64_t u1IgnorePAT : 1;
311 /** Available for software. */
312 uint64_t u5Available : 5;
313 /** Physical address of page. Restricted by maximum physical address width of the cpu. */
314 uint64_t u40PhysAddr : 40;
315 /** Availabe for software. */
316 uint64_t u12Available : 12;
317} EPTPTEBITS;
318#pragma pack()
319AssertCompileSize(EPTPTEBITS, 8);
320
321/** Bits 12-51 - - EPT - Physical Page number of the next level. */
322#define EPT_PTE_PG_MASK X86_PTE_PAE_PG_MASK_FULL
323/** The page shift to get the EPT PTE index. */
324#define EPT_PT_SHIFT X86_PT_PAE_SHIFT
325/** The EPT PT index mask (apply to a shifted page address). */
326#define EPT_PT_MASK X86_PT_PAE_MASK
327
328/**
329 * EPT Page Table Entry.
330 */
331#pragma pack(1)
332typedef union EPTPTE
333{
334 /** Normal view. */
335 EPTPTEBITS n;
336 /** Unsigned integer view. */
337 X86PGPAEUINT u;
338 /** 64 bit unsigned integer view. */
339 uint64_t au64[1];
340 /** 32 bit unsigned integer view. */
341 uint32_t au32[2];
342} EPTPTE;
343#pragma pack()
344/** Pointer to an EPT Page Directory Table Entry. */
345typedef EPTPTE *PEPTPTE;
346/** Pointer to a const EPT Page Directory Table Entry. */
347typedef const EPTPTE *PCEPTPTE;
348AssertCompileSize(EPTPTE, 8);
349
350/**
351 * EPT Page Table.
352 */
353#pragma pack(1)
354typedef struct EPTPT
355{
356 EPTPTE a[EPT_PG_ENTRIES];
357} EPTPT;
358#pragma pack()
359/** Pointer to an extended page table. */
360typedef EPTPT *PEPTPT;
361/** Pointer to a const extended table. */
362typedef const EPTPT *PCEPTPT;
363
364/**
365 * VPID and EPT flush types
366 */
367typedef enum
368{
369 /* Invalidate a specific page. */
370 VMX_FLUSH_PAGE = 0,
371 /* Invalidate one context (VPID or EPT) */
372 VMX_FLUSH_SINGLE_CONTEXT = 1,
373 /* Invalidate all contexts (VPIDs or EPTs) */
374 VMX_FLUSH_ALL_CONTEXTS = 2,
375 /* Invalidate a single VPID context retaining global mappings. */
376 VMX_FLUSH_SINGLE_CONTEXT_WITHOUT_GLOBAL = 3,
377 /** 32bit hackishness. */
378 VMX_FLUSH_32BIT_HACK = 0x7fffffff
379} VMX_FLUSH;
380
381/** @} */
382
383
384/** @name VMX Basic Exit Reasons.
385 * @{
386 */
387/** And-mask for setting reserved bits to zero */
388#define VMX_EFLAGS_RESERVED_0 (~0xffc08028)
389/** Or-mask for setting reserved bits to 1 */
390#define VMX_EFLAGS_RESERVED_1 0x00000002
391/** @} */
392
393/** @name VMX Basic Exit Reasons.
394 * @{
395 */
396/** 0 Exception or non-maskable interrupt (NMI). */
397#define VMX_EXIT_EXCEPTION 0
398/** 1 External interrupt. */
399#define VMX_EXIT_EXTERNAL_IRQ 1
400/** 2 Triple fault. */
401#define VMX_EXIT_TRIPLE_FAULT 2
402/** 3 INIT signal. */
403#define VMX_EXIT_INIT_SIGNAL 3
404/** 4 Start-up IPI (SIPI). */
405#define VMX_EXIT_SIPI 4
406/** 5 I/O system-management interrupt (SMI). */
407#define VMX_EXIT_IO_SMI_IRQ 5
408/** 6 Other SMI. */
409#define VMX_EXIT_SMI_IRQ 6
410/** 7 Interrupt window. */
411#define VMX_EXIT_IRQ_WINDOW 7
412/** 9 Task switch. */
413#define VMX_EXIT_TASK_SWITCH 9
414/** 10 Guest software attempted to execute CPUID. */
415#define VMX_EXIT_CPUID 10
416/** 12 Guest software attempted to execute HLT. */
417#define VMX_EXIT_HLT 12
418/** 13 Guest software attempted to execute INVD. */
419#define VMX_EXIT_INVD 13
420/** 14 Guest software attempted to execute INVPG. */
421#define VMX_EXIT_INVPG 14
422/** 15 Guest software attempted to execute RDPMC. */
423#define VMX_EXIT_RDPMC 15
424/** 16 Guest software attempted to execute RDTSC. */
425#define VMX_EXIT_RDTSC 16
426/** 17 Guest software attempted to execute RSM in SMM. */
427#define VMX_EXIT_RSM 17
428/** 18 Guest software executed VMCALL. */
429#define VMX_EXIT_VMCALL 18
430/** 19 Guest software executed VMCLEAR. */
431#define VMX_EXIT_VMCLEAR 19
432/** 20 Guest software executed VMLAUNCH. */
433#define VMX_EXIT_VMLAUNCH 20
434/** 21 Guest software executed VMPTRLD. */
435#define VMX_EXIT_VMPTRLD 21
436/** 22 Guest software executed VMPTRST. */
437#define VMX_EXIT_VMPTRST 22
438/** 23 Guest software executed VMREAD. */
439#define VMX_EXIT_VMREAD 23
440/** 24 Guest software executed VMRESUME. */
441#define VMX_EXIT_VMRESUME 24
442/** 25 Guest software executed VMWRITE. */
443#define VMX_EXIT_VMWRITE 25
444/** 26 Guest software executed VMXOFF. */
445#define VMX_EXIT_VMXOFF 26
446/** 27 Guest software executed VMXON. */
447#define VMX_EXIT_VMXON 27
448/** 28 Control-register accesses. */
449#define VMX_EXIT_CRX_MOVE 28
450/** 29 Debug-register accesses. */
451#define VMX_EXIT_DRX_MOVE 29
452/** 30 I/O instruction. */
453#define VMX_EXIT_PORT_IO 30
454/** 31 RDMSR. Guest software attempted to execute RDMSR. */
455#define VMX_EXIT_RDMSR 31
456/** 32 WRMSR. Guest software attempted to execute WRMSR. */
457#define VMX_EXIT_WRMSR 32
458/** 33 VM-entry failure due to invalid guest state. */
459#define VMX_EXIT_ERR_INVALID_GUEST_STATE 33
460/** 34 VM-entry failure due to MSR loading. */
461#define VMX_EXIT_ERR_MSR_LOAD 34
462/** 36 Guest software executed MWAIT. */
463#define VMX_EXIT_MWAIT 36
464/** 39 Guest software attempted to execute MONITOR. */
465#define VMX_EXIT_MONITOR 39
466/** 40 Guest software attempted to execute PAUSE. */
467#define VMX_EXIT_PAUSE 40
468/** 41 VM-entry failure due to machine-check. */
469#define VMX_EXIT_ERR_MACHINE_CHECK 41
470/** 43 TPR below threshold. Guest software executed MOV to CR8. */
471#define VMX_EXIT_TPR 43
472/** 44 APIC access. Guest software attempted to access memory at a physical address on the APIC-access page. */
473#define VMX_EXIT_APIC_ACCESS 44
474/** 46 Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT. */
475#define VMX_EXIT_XDTR_ACCESS 46
476/** 47 Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR. */
477#define VMX_EXIT_TR_ACCESS 47
478/** 48 EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures. */
479#define VMX_EXIT_EPT_VIOLATION 48
480/** 49 EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry. */
481#define VMX_EXIT_EPT_MISCONFIG 49
482/** 50 INVEPT. Guest software attempted to execute INVEPT. */
483#define VMX_EXIT_INVEPT 50
484/** 52 VMX-preemption timer expired. The preemption timer counted down to zero. */
485#define VMX_EXIT_PREEMPTION_TIMER 52
486/** 53 INVVPID. Guest software attempted to execute INVVPID. */
487#define VMX_EXIT_INVVPID 53
488/** 54 WBINVD. Guest software attempted to execute WBINVD. */
489#define VMX_EXIT_WBINVD 54
490/** 55 XSETBV. Guest software attempted to execute XSETBV. */
491#define VMX_EXIT_XSETBV 55
492/** @} */
493
494
495/** @name VM Instruction Errors
496 * @{
497 */
498/** 1 VMCALL executed in VMX root operation. */
499#define VMX_ERROR_VMCALL 1
500/** 2 VMCLEAR with invalid physical address. */
501#define VMX_ERROR_VMCLEAR_INVALID_PHYS_ADDR 2
502/** 3 VMCLEAR with VMXON pointer. */
503#define VMX_ERROR_VMCLEAR_INVALID_VMXON_PTR 3
504/** 4 VMLAUNCH with non-clear VMCS. */
505#define VMX_ERROR_VMLAUCH_NON_CLEAR_VMCS 4
506/** 5 VMRESUME with non-launched VMCS. */
507#define VMX_ERROR_VMRESUME_NON_LAUNCHED_VMCS 5
508/** 6 VMRESUME with a corrupted VMCS (indicates corruption of the current VMCS). */
509#define VMX_ERROR_VMRESUME_CORRUPTED_VMCS 6
510/** 7 VM entry with invalid control field(s). */
511#define VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS 7
512/** 8 VM entry with invalid host-state field(s). */
513#define VMX_ERROR_VMENTRY_INVALID_HOST_STATE 8
514/** 9 VMPTRLD with invalid physical address. */
515#define VMX_ERROR_VMPTRLD_INVALID_PHYS_ADDR 9
516/** 10 VMPTRLD with VMXON pointer. */
517#define VMX_ERROR_VMPTRLD_VMXON_PTR 10
518/** 11 VMPTRLD with incorrect VMCS revision identifier. */
519#define VMX_ERROR_VMPTRLD_WRONG_VMCS_REVISION 11
520/** 12 VMREAD/VMWRITE from/to unsupported VMCS component. */
521#define VMX_ERROR_VMREAD_INVALID_COMPONENT 12
522#define VMX_ERROR_VMWRITE_INVALID_COMPONENT VMX_ERROR_VMREAD_INVALID_COMPONENT
523/** 13 VMWRITE to read-only VMCS component. */
524#define VMX_ERROR_VMWRITE_READONLY_COMPONENT 13
525/** 15 VMXON executed in VMX root operation. */
526#define VMX_ERROR_VMXON_IN_VMX_ROOT_OP 15
527/** 16 VM entry with invalid executive-VMCS pointer. */
528#define VMX_ERROR_VMENTRY_INVALID_VMCS_EXEC_PTR 16
529/** 17 VM entry with non-launched executive VMCS. */
530#define VMX_ERROR_VMENTRY_NON_LAUNCHED_EXEC_VMCS 17
531/** 18 VM entry with executive-VMCS pointer not VMXON pointer. */
532#define VMX_ERROR_VMENTRY_EXEC_VMCS_PTR 18
533/** 19 VMCALL with non-clear VMCS. */
534#define VMX_ERROR_VMCALL_NON_CLEAR_VMCS 19
535/** 20 VMCALL with invalid VM-exit control fields. */
536#define VMX_ERROR_VMCALL_INVALID_VMEXIT_FIELDS 20
537/** 22 VMCALL with incorrect MSEG revision identifier. */
538#define VMX_ERROR_VMCALL_INVALID_MSEG_REVISION 22
539/** 23 VMXOFF under dual-monitor treatment of SMIs and SMM. */
540#define VMX_ERROR_VMXOFF_DUAL_MONITOR 23
541/** 24 VMCALL with invalid SMM-monitor features. */
542#define VMX_ERROR_VMCALL_INVALID_SMM_MONITOR 24
543/** 25 VM entry with invalid VM-execution control fields in executive VMCS. */
544#define VMX_ERROR_VMENTRY_INVALID_VM_EXEC_CTRL 25
545/** 26 VM entry with events blocked by MOV SS. */
546#define VMX_ERROR_VMENTRY_MOV_SS 26
547/** 26 Invalid operand to INVEPT/INVVPID. */
548#define VMX_ERROR_INVEPTVPID_INVALID_OPERAND 28
549
550/** @} */
551
552
553/** @name VMX MSRs - Basic VMX information.
554 * @{
555 */
556/** VMCS revision identifier used by the processor. */
557#define MSR_IA32_VMX_BASIC_INFO_VMCS_ID(a) (a & 0x7FFFFFFF)
558/** Size of the VMCS. */
559#define MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(a) ((a >> 32ULL) & 0xFFF)
560/** Width of physical address used for the VMCS.
561 * 0 -> limited to the available amount of physical ram
562 * 1 -> within the first 4 GB
563 */
564#define MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(a) ((a >> 48ULL) & 1)
565/** Whether the processor supports the dual-monitor treatment of system-management interrupts and system-management code. (always 1) */
566#define MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(a) ((a >> 49ULL) & 1)
567/** Memory type that must be used for the VMCS. */
568#define MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(a) ((a >> 50ULL) & 0xF)
569/** @} */
570
571
572/** @name VMX MSRs - Misc VMX info.
573 * @{
574 */
575/** Activity states supported by the implementation. */
576#define MSR_IA32_VMX_MISC_ACTIVITY_STATES(a) ((a >> 6ULL) & 0x7)
577/** Number of CR3 target values supported by the processor. (0-256) */
578#define MSR_IA32_VMX_MISC_CR3_TARGET(a) ((a >> 16ULL) & 0x1FF)
579/** Maximum nr of MSRs in the VMCS. (N+1)*512. */
580#define MSR_IA32_VMX_MISC_MAX_MSR(a) ((((a >> 25ULL) & 0x7) + 1) * 512)
581/** MSEG revision identifier used by the processor. */
582#define MSR_IA32_VMX_MISC_MSEG_ID(a) (a >> 32ULL)
583/** @} */
584
585
586/** @name VMX MSRs - VMCS enumeration field info
587 * @{
588 */
589/** Highest field index. */
590#define MSR_IA32_VMX_VMCS_ENUM_HIGHEST_INDEX(a) ((a >> 1ULL) & 0x1FF)
591
592/** @} */
593
594
595/** @name MSR_IA32_VMX_EPT_CAPS; EPT capabilities MSR
596 * @{
597 */
598#define MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY RT_BIT_64(0)
599#define MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY RT_BIT_64(1)
600#define MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY RT_BIT_64(2)
601#define MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS RT_BIT_64(3)
602#define MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS RT_BIT_64(4)
603#define MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS RT_BIT_64(5)
604#define MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS RT_BIT_64(6)
605#define MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS RT_BIT_64(7)
606#define MSR_IA32_VMX_EPT_CAPS_EMT_UC RT_BIT_64(8)
607#define MSR_IA32_VMX_EPT_CAPS_EMT_WC RT_BIT_64(9)
608#define MSR_IA32_VMX_EPT_CAPS_EMT_WT RT_BIT_64(12)
609#define MSR_IA32_VMX_EPT_CAPS_EMT_WP RT_BIT_64(13)
610#define MSR_IA32_VMX_EPT_CAPS_EMT_WB RT_BIT_64(14)
611#define MSR_IA32_VMX_EPT_CAPS_SP_21_BITS RT_BIT_64(16)
612#define MSR_IA32_VMX_EPT_CAPS_SP_30_BITS RT_BIT_64(17)
613#define MSR_IA32_VMX_EPT_CAPS_SP_39_BITS RT_BIT_64(18)
614#define MSR_IA32_VMX_EPT_CAPS_SP_48_BITS RT_BIT_64(19)
615#define MSR_IA32_VMX_EPT_CAPS_INVEPT RT_BIT_64(20)
616#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV RT_BIT_64(24)
617#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT RT_BIT_64(25)
618#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL RT_BIT_64(26)
619#define MSR_IA32_VMX_EPT_CAPS_INVVPID RT_BIT_64(32)
620#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV RT_BIT_64(40)
621#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT RT_BIT_64(41)
622#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL RT_BIT_64(42)
623#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL RT_BIT_64(43)
624
625/** @} */
626
627/** @name Extended Page Table Pointer (EPTP)
628 * @{
629 */
630/** Uncachable EPT paging structure memory type. */
631#define VMX_EPT_MEMTYPE_UC 0
632/** Write-back EPT paging structure memory type. */
633#define VMX_EPT_MEMTYPE_WB 6
634/** Shift value to get the EPT page walk length (bits 5-3) */
635#define VMX_EPT_PAGE_WALK_LENGTH_SHIFT 3
636/** Mask value to get the EPT page walk length (bits 5-3) */
637#define VMX_EPT_PAGE_WALK_LENGTH_MASK 7
638/** Default EPT page walk length */
639#define VMX_EPT_PAGE_WALK_LENGTH_DEFAULT 3
640/** @} */
641
642
643/** @name VMCS field encoding - 16 bits guest fields
644 * @{
645 */
646#define VMX_VMCS16_GUEST_FIELD_VPID 0x0
647#define VMX_VMCS16_GUEST_FIELD_ES 0x800
648#define VMX_VMCS16_GUEST_FIELD_CS 0x802
649#define VMX_VMCS16_GUEST_FIELD_SS 0x804
650#define VMX_VMCS16_GUEST_FIELD_DS 0x806
651#define VMX_VMCS16_GUEST_FIELD_FS 0x808
652#define VMX_VMCS16_GUEST_FIELD_GS 0x80A
653#define VMX_VMCS16_GUEST_FIELD_LDTR 0x80C
654#define VMX_VMCS16_GUEST_FIELD_TR 0x80E
655/** @} */
656
657/** @name VMCS field encoding - 16 bits host fields
658 * @{
659 */
660#define VMX_VMCS16_HOST_FIELD_ES 0xC00
661#define VMX_VMCS16_HOST_FIELD_CS 0xC02
662#define VMX_VMCS16_HOST_FIELD_SS 0xC04
663#define VMX_VMCS16_HOST_FIELD_DS 0xC06
664#define VMX_VMCS16_HOST_FIELD_FS 0xC08
665#define VMX_VMCS16_HOST_FIELD_GS 0xC0A
666#define VMX_VMCS16_HOST_FIELD_TR 0xC0C
667/** @} */
668
669/** @name VMCS field encoding - 64 bits host fields
670 * @{
671 */
672#define VMX_VMCS_HOST_FIELD_PAT_FULL 0x2C00
673#define VMX_VMCS_HOST_FIELD_PAT_HIGH 0x2C01
674#define VMX_VMCS_HOST_FIELD_EFER_FULL 0x2C02
675#define VMX_VMCS_HOST_FIELD_EFER_HIGH 0x2C03
676#define VMX_VMCS_HOST_PERF_GLOBAL_CTRL_FULL 0x2C04 /**< MSR IA32_PERF_GLOBAL_CTRL */
677#define VMX_VMCS_HOST_PERF_GLOBAL_CTRL_HIGH 0x2C05 /**< MSR IA32_PERF_GLOBAL_CTRL */
678/** @} */
679
680
681/** @name VMCS field encoding - 64 Bits control fields
682 * @{
683 */
684#define VMX_VMCS_CTRL_IO_BITMAP_A_FULL 0x2000
685#define VMX_VMCS_CTRL_IO_BITMAP_A_HIGH 0x2001
686#define VMX_VMCS_CTRL_IO_BITMAP_B_FULL 0x2002
687#define VMX_VMCS_CTRL_IO_BITMAP_B_HIGH 0x2003
688
689/* Optional */
690#define VMX_VMCS_CTRL_MSR_BITMAP_FULL 0x2004
691#define VMX_VMCS_CTRL_MSR_BITMAP_HIGH 0x2005
692
693#define VMX_VMCS_CTRL_VMEXIT_MSR_STORE_FULL 0x2006
694#define VMX_VMCS_CTRL_VMEXIT_MSR_STORE_HIGH 0x2007
695#define VMX_VMCS_CTRL_VMEXIT_MSR_LOAD_FULL 0x2008
696#define VMX_VMCS_CTRL_VMEXIT_MSR_LOAD_HIGH 0x2009
697
698#define VMX_VMCS_CTRL_VMENTRY_MSR_LOAD_FULL 0x200A
699#define VMX_VMCS_CTRL_VMENTRY_MSR_LOAD_HIGH 0x200B
700
701#define VMX_VMCS_CTRL_EXEC_VMCS_PTR_FULL 0x200C
702#define VMX_VMCS_CTRL_EXEC_VMCS_PTR_HIGH 0x200D
703
704#define VMX_VMCS_CTRL_TSC_OFFSET_FULL 0x2010
705#define VMX_VMCS_CTRL_TSC_OFFSET_HIGH 0x2011
706
707/** Optional (VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW) */
708#define VMX_VMCS_CTRL_VAPIC_PAGEADDR_FULL 0x2012
709#define VMX_VMCS_CTRL_VAPIC_PAGEADDR_HIGH 0x2013
710
711/** Optional (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC) */
712#define VMX_VMCS_CTRL_APIC_ACCESSADDR_FULL 0x2014
713#define VMX_VMCS_CTRL_APIC_ACCESSADDR_HIGH 0x2015
714
715/** Extended page table pointer. */
716#define VMX_VMCS_CTRL_EPTP_FULL 0x201a
717#define VMX_VMCS_CTRL_EPTP_HIGH 0x201b
718
719/** VM-exit phyiscal address. */
720#define VMX_VMCS_EXIT_PHYS_ADDR_FULL 0x2400
721#define VMX_VMCS_EXIT_PHYS_ADDR_HIGH 0x2401
722/** @} */
723
724
725/** @name VMCS field encoding - 64 Bits guest fields
726 * @{
727 */
728#define VMX_VMCS_GUEST_LINK_PTR_FULL 0x2800
729#define VMX_VMCS_GUEST_LINK_PTR_HIGH 0x2801
730#define VMX_VMCS_GUEST_DEBUGCTL_FULL 0x2802 /**< MSR IA32_DEBUGCTL */
731#define VMX_VMCS_GUEST_DEBUGCTL_HIGH 0x2803 /**< MSR IA32_DEBUGCTL */
732#define VMX_VMCS_GUEST_PAT_FULL 0x2804
733#define VMX_VMCS_GUEST_PAT_HIGH 0x2805
734#define VMX_VMCS_GUEST_EFER_FULL 0x2806
735#define VMX_VMCS_GUEST_EFER_HIGH 0x2807
736#define VMX_VMCS_GUEST_PERF_GLOBAL_CTRL_FULL 0x2808 /**< MSR IA32_PERF_GLOBAL_CTRL */
737#define VMX_VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH 0x2809 /**< MSR IA32_PERF_GLOBAL_CTRL */
738#define VMX_VMCS_GUEST_PDPTR0_FULL 0x280A
739#define VMX_VMCS_GUEST_PDPTR0_HIGH 0x280B
740#define VMX_VMCS_GUEST_PDPTR1_FULL 0x280C
741#define VMX_VMCS_GUEST_PDPTR1_HIGH 0x280D
742#define VMX_VMCS_GUEST_PDPTR2_FULL 0x280E
743#define VMX_VMCS_GUEST_PDPTR2_HIGH 0x280F
744#define VMX_VMCS_GUEST_PDPTR3_FULL 0x2810
745#define VMX_VMCS_GUEST_PDPTR3_HIGH 0x2811
746/** @} */
747
748
749/** @name VMCS field encoding - 32 Bits control fields
750 * @{
751 */
752#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS 0x4000
753#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS 0x4002
754#define VMX_VMCS_CTRL_EXCEPTION_BITMAP 0x4004
755#define VMX_VMCS_CTRL_PAGEFAULT_ERROR_MASK 0x4006
756#define VMX_VMCS_CTRL_PAGEFAULT_ERROR_MATCH 0x4008
757#define VMX_VMCS_CTRL_CR3_TARGET_COUNT 0x400A
758#define VMX_VMCS_CTRL_EXIT_CONTROLS 0x400C
759#define VMX_VMCS_CTRL_EXIT_MSR_STORE_COUNT 0x400E
760#define VMX_VMCS_CTRL_EXIT_MSR_LOAD_COUNT 0x4010
761#define VMX_VMCS_CTRL_ENTRY_CONTROLS 0x4012
762#define VMX_VMCS_CTRL_ENTRY_MSR_LOAD_COUNT 0x4014
763#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO 0x4016
764#define VMX_VMCS_CTRL_ENTRY_EXCEPTION_ERRCODE 0x4018
765#define VMX_VMCS_CTRL_ENTRY_INSTR_LENGTH 0x401A
766/** This field exists only on processors that support the 1-setting of the “use TPR shadow” VM-execution control. */
767#define VMX_VMCS_CTRL_TPR_THRESHOLD 0x401C
768/** This field exists only on processors that support the 1-setting of the “activate secondary controls” VM-execution control. */
769#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2 0x401E
770/** @} */
771
772
773/** @name VMX_VMCS_CTRL_PIN_EXEC_CONTROLS
774 * @{
775 */
776/** External interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */
777#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT RT_BIT(0)
778/** Non-maskable interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */
779#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT RT_BIT(3)
780/* All other bits are reserved and must be set according to MSR IA32_VMX_PROCBASED_CTLS. */
781/** @} */
782
783/** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS
784 * @{
785 */
786/** VM Exit as soon as RFLAGS.IF=1 and no blocking is active. */
787#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT RT_BIT(2)
788/** Use timestamp counter offset. */
789#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET RT_BIT(3)
790/** VM Exit when executing the HLT instruction. */
791#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT RT_BIT(7)
792/** VM Exit when executing the INVLPG instruction. */
793#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT RT_BIT(9)
794/** VM Exit when executing the MWAIT instruction. */
795#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT RT_BIT(10)
796/** VM Exit when executing the RDPMC instruction. */
797#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT RT_BIT(11)
798/** VM Exit when executing the RDTSC instruction. */
799#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT RT_BIT(12)
800/** 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) */
801#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT RT_BIT(15)
802/** 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) */
803#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT RT_BIT(16)
804/** VM Exit on CR8 loads. */
805#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT RT_BIT(19)
806/** VM Exit on CR8 stores. */
807#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT RT_BIT(20)
808/** Use TPR shadow. */
809#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW RT_BIT(21)
810/** VM Exit when executing a MOV DRx instruction. */
811#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT RT_BIT(23)
812/** VM Exit when executing IO instructions. */
813#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT RT_BIT(24)
814/** Use IO bitmaps. */
815#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS RT_BIT(25)
816/** Monitor trap flag. */
817#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG RT_BIT(27)
818/** Use MSR bitmaps. */
819#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS RT_BIT(28)
820/** VM Exit when executing the MONITOR instruction. */
821#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT RT_BIT(29)
822/** VM Exit when executing the PAUSE instruction. */
823#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT RT_BIT(30)
824/** Determines whether the secondary processor based VM-execution controls are used. */
825#define VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL RT_BIT(31)
826/** @} */
827
828/** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2
829 * @{
830 */
831/** Virtualize APIC access. */
832#define VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC RT_BIT(0)
833/** EPT supported/enabled. */
834#define VMX_VMCS_CTRL_PROC_EXEC2_EPT RT_BIT(1)
835/** VPID supported/enabled. */
836#define VMX_VMCS_CTRL_PROC_EXEC2_VPID RT_BIT(5)
837/** VM Exit when executing the WBINVD instruction. */
838#define VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT RT_BIT(6)
839/** @} */
840
841
842/** @name VMX_VMCS_CTRL_ENTRY_CONTROLS
843 * @{
844 */
845/** 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) */
846#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG RT_BIT(2)
847/** 64 bits guest mode. Must be 0 for CPUs that don't support AMD64. */
848#define VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE RT_BIT(9)
849/** In SMM mode after VM-entry. */
850#define VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM RT_BIT(10)
851/** Disable dual treatment of SMI and SMM; must be zero for VM-entry outside of SMM. */
852#define VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON RT_BIT(11)
853/** This control determines whether the guest IA32_PERF_GLOBAL_CTRL MSR is loaded on VM entry. */
854#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR RT_BIT(13)
855/** This control determines whether the guest IA32_PAT MSR is loaded on VM exit. */
856#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR RT_BIT(14)
857/** This control determines whether the guest IA32_EFER MSR is loaded on VM exit. */
858#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR RT_BIT(15)
859/** @} */
860
861
862/** @name VMX_VMCS_CTRL_EXIT_CONTROLS
863 * @{
864 */
865/** 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) */
866#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG RT_BIT(2)
867/** Return to long mode after a VM-exit. */
868#define VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 RT_BIT(9)
869/** This control determines whether the IA32_PERF_GLOBAL_CTRL MSR is loaded on VM exit. */
870#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_PERF_MSR RT_BIT(12)
871/** Acknowledge external interrupts with the irq controller if one caused a VM-exit. */
872#define VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ RT_BIT(15)
873/** This control determines whether the guest IA32_PAT MSR is saved on VM exit. */
874#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR RT_BIT(18)
875/** This control determines whether the host IA32_PAT MSR is loaded on VM exit. */
876#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR RT_BIT(19)
877/** This control determines whether the guest IA32_EFER MSR is saved on VM exit. */
878#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR RT_BIT(20)
879/** This control determines whether the host IA32_EFER MSR is loaded on VM exit. */
880#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR RT_BIT(21)
881/** This control determines whether the value of the VMX preemption timer is saved on VM exit. */
882#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER RT_BIT(22)
883/** @} */
884
885/** @name VMCS field encoding - 32 Bits read-only fields
886 * @{
887 */
888#define VMX_VMCS32_RO_VM_INSTR_ERROR 0x4400
889#define VMX_VMCS32_RO_EXIT_REASON 0x4402
890#define VMX_VMCS32_RO_EXIT_INTERRUPTION_INFO 0x4404
891#define VMX_VMCS32_RO_EXIT_INTERRUPTION_ERRCODE 0x4406
892#define VMX_VMCS32_RO_IDT_INFO 0x4408
893#define VMX_VMCS32_RO_IDT_ERRCODE 0x440A
894#define VMX_VMCS32_RO_EXIT_INSTR_LENGTH 0x440C
895#define VMX_VMCS32_RO_EXIT_INSTR_INFO 0x440E
896/** @} */
897
898/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO
899 * @{
900 */
901#define VMX_EXIT_INTERRUPTION_INFO_VECTOR(a) (a & 0xff)
902#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT 8
903#define VMX_EXIT_INTERRUPTION_INFO_TYPE(a) ((a >> VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT) & 7)
904#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID RT_BIT(11)
905#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_IS_VALID(a) (a & VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID)
906#define VMX_EXIT_INTERRUPTION_INFO_NMI_UNBLOCK(a) (a & RT_BIT(12))
907#define VMX_EXIT_INTERRUPTION_INFO_VALID_SHIFT 31
908#define VMX_EXIT_INTERRUPTION_INFO_VALID(a) (a & RT_BIT(31))
909/** Construct an irq event injection value from the exit interruption info value (same except that bit 12 is reserved). */
910#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO_FROM_EXIT_INT_INFO(a) (a & ~RT_BIT(12))
911/** @} */
912
913/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO_TYPE
914 * @{
915 */
916#define VMX_EXIT_INTERRUPTION_INFO_TYPE_EXT 0
917#define VMX_EXIT_INTERRUPTION_INFO_TYPE_NMI 2
918#define VMX_EXIT_INTERRUPTION_INFO_TYPE_HWEXCPT 3
919#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SW 4 /**< int xx */
920#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SWEXCPT 6
921/** @} */
922
923
924/** @name VMCS field encoding - 32 Bits guest state fields
925 * @{
926 */
927#define VMX_VMCS32_GUEST_ES_LIMIT 0x4800
928#define VMX_VMCS32_GUEST_CS_LIMIT 0x4802
929#define VMX_VMCS32_GUEST_SS_LIMIT 0x4804
930#define VMX_VMCS32_GUEST_DS_LIMIT 0x4806
931#define VMX_VMCS32_GUEST_FS_LIMIT 0x4808
932#define VMX_VMCS32_GUEST_GS_LIMIT 0x480A
933#define VMX_VMCS32_GUEST_LDTR_LIMIT 0x480C
934#define VMX_VMCS32_GUEST_TR_LIMIT 0x480E
935#define VMX_VMCS32_GUEST_GDTR_LIMIT 0x4810
936#define VMX_VMCS32_GUEST_IDTR_LIMIT 0x4812
937#define VMX_VMCS32_GUEST_ES_ACCESS_RIGHTS 0x4814
938#define VMX_VMCS32_GUEST_CS_ACCESS_RIGHTS 0x4816
939#define VMX_VMCS32_GUEST_SS_ACCESS_RIGHTS 0x4818
940#define VMX_VMCS32_GUEST_DS_ACCESS_RIGHTS 0x481A
941#define VMX_VMCS32_GUEST_FS_ACCESS_RIGHTS 0x481C
942#define VMX_VMCS32_GUEST_GS_ACCESS_RIGHTS 0x481E
943#define VMX_VMCS32_GUEST_LDTR_ACCESS_RIGHTS 0x4820
944#define VMX_VMCS32_GUEST_TR_ACCESS_RIGHTS 0x4822
945#define VMX_VMCS32_GUEST_INTERRUPTIBILITY_STATE 0x4824
946#define VMX_VMCS32_GUEST_ACTIVITY_STATE 0x4826
947#define VMX_VMCS32_GUEST_SYSENTER_CS 0x482A /**< MSR IA32_SYSENTER_CS */
948#define VMX_VMCS32_GUEST_PREEMPTION_TIMER_VALUE 0x482E
949/** @} */
950
951
952/** @name VMX_VMCS_GUEST_ACTIVITY_STATE
953 * @{
954 */
955/** The logical processor is active. */
956#define VMX_CMS_GUEST_ACTIVITY_ACTIVE 0x0
957/** The logical processor is inactive, because executed a HLT instruction. */
958#define VMX_CMS_GUEST_ACTIVITY_HLT 0x1
959/** The logical processor is inactive, because of a triple fault or other serious error. */
960#define VMX_CMS_GUEST_ACTIVITY_SHUTDOWN 0x2
961/** The logical processor is inactive, because it's waiting for a startup-IPI */
962#define VMX_CMS_GUEST_ACTIVITY_SIPI_WAIT 0x3
963/** @} */
964
965
966/** @name VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE
967 * @{
968 */
969#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_STI RT_BIT(0)
970#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_MOVSS RT_BIT(1)
971#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_SMI RT_BIT(2)
972#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_NMI RT_BIT(3)
973/** @} */
974
975
976/** @name VMCS field encoding - 32 Bits host state fields
977 * @{
978 */
979#define VMX_VMCS32_HOST_SYSENTER_CS 0x4C00
980/** @} */
981
982/** @name Natural width control fields
983 * @{
984 */
985#define VMX_VMCS_CTRL_CR0_MASK 0x6000
986#define VMX_VMCS_CTRL_CR4_MASK 0x6002
987#define VMX_VMCS_CTRL_CR0_READ_SHADOW 0x6004
988#define VMX_VMCS_CTRL_CR4_READ_SHADOW 0x6006
989#define VMX_VMCS_CTRL_CR3_TARGET_VAL0 0x6008
990#define VMX_VMCS_CTRL_CR3_TARGET_VAL1 0x600A
991#define VMX_VMCS_CTRL_CR3_TARGET_VAL2 0x600C
992#define VMX_VMCS_CTRL_CR3_TARGET_VAL31 0x600E
993/** @} */
994
995
996/** @name Natural width read-only data fields
997 * @{
998 */
999#define VMX_VMCS_RO_EXIT_QUALIFICATION 0x6400
1000#define VMX_VMCS_RO_IO_RCX 0x6402
1001#define VMX_VMCS_RO_IO_RSX 0x6404
1002#define VMX_VMCS_RO_IO_RDI 0x6406
1003#define VMX_VMCS_RO_IO_RIP 0x6408
1004#define VMX_VMCS_EXIT_GUEST_LINEAR_ADDR 0x640A
1005/** @} */
1006
1007
1008/** @name VMX_VMCS_RO_EXIT_QUALIFICATION
1009 * @{
1010 */
1011/** 0-2: Debug register number */
1012#define VMX_EXIT_QUALIFICATION_DRX_REGISTER(a) (a & 7)
1013/** 3: Reserved; cleared to 0. */
1014#define VMX_EXIT_QUALIFICATION_DRX_RES1(a) ((a >> 3) & 1)
1015/** 4: Direction of move (0 = write, 1 = read) */
1016#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION(a) ((a >> 4) & 1)
1017/** 5-7: Reserved; cleared to 0. */
1018#define VMX_EXIT_QUALIFICATION_DRX_RES2(a) ((a >> 5) & 7)
1019/** 8-11: General purpose register number. */
1020#define VMX_EXIT_QUALIFICATION_DRX_GENREG(a) ((a >> 8) & 0xF)
1021/** Rest: reserved. */
1022/** @} */
1023
1024/** @name VMX_EXIT_QUALIFICATION_DRX_DIRECTION values
1025 * @{
1026 */
1027#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_WRITE 0
1028#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_READ 1
1029/** @} */
1030
1031
1032
1033/** @name CRx accesses
1034 * @{
1035 */
1036/** 0-3: Control register number (0 for CLTS & LMSW) */
1037#define VMX_EXIT_QUALIFICATION_CRX_REGISTER(a) (a & 0xF)
1038/** 4-5: Access type. */
1039#define VMX_EXIT_QUALIFICATION_CRX_ACCESS(a) ((a >> 4) & 3)
1040/** 6: LMSW operand type */
1041#define VMX_EXIT_QUALIFICATION_CRX_LMSW_OP(a) ((a >> 6) & 1)
1042/** 7: Reserved; cleared to 0. */
1043#define VMX_EXIT_QUALIFICATION_CRX_RES1(a) ((a >> 7) & 1)
1044/** 8-11: General purpose register number (0 for CLTS & LMSW). */
1045#define VMX_EXIT_QUALIFICATION_CRX_GENREG(a) ((a >> 8) & 0xF)
1046/** 12-15: Reserved; cleared to 0. */
1047#define VMX_EXIT_QUALIFICATION_CRX_RES2(a) ((a >> 12) & 0xF)
1048/** 16-31: LMSW source data (else 0). */
1049#define VMX_EXIT_QUALIFICATION_CRX_LMSW_DATA(a) ((a >> 16) & 0xFFFF)
1050/** Rest: reserved. */
1051/** @} */
1052
1053/** @name VMX_EXIT_QUALIFICATION_CRX_ACCESS
1054 * @{
1055 */
1056#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_WRITE 0
1057#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_READ 1
1058#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_CLTS 2
1059#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_LMSW 3
1060/** @} */
1061
1062
1063/** @name VMX_EXIT_EPT_VIOLATION
1064 * @{
1065 */
1066/** Set if the violation was caused by a data read. */
1067#define VMX_EXIT_QUALIFICATION_EPT_DATA_READ RT_BIT(0)
1068/** Set if the violation was caused by a data write. */
1069#define VMX_EXIT_QUALIFICATION_EPT_DATA_WRITE RT_BIT(1)
1070/** Set if the violation was caused by an insruction fetch. */
1071#define VMX_EXIT_QUALIFICATION_EPT_INSTR_FETCH RT_BIT(2)
1072/** AND of the present bit of all EPT structures. */
1073#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_PRESENT RT_BIT(3)
1074/** AND of the write bit of all EPT structures. */
1075#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_WRITE RT_BIT(4)
1076/** AND of the execute bit of all EPT structures. */
1077#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_EXECUTE RT_BIT(5)
1078/** Set if the guest linear address field contains the faulting address. */
1079#define VMX_EXIT_QUALIFICATION_EPT_GUEST_ADDR_VALID RT_BIT(7)
1080/** If bit 7 is one: (reserved otherwise)
1081 * 1 - violation due to physical address access.
1082 * 0 - violation caused by page walk or access/dirty bit updates
1083 */
1084#define VMX_EXIT_QUALIFICATION_EPT_TRANSLATED_ACCESS RT_BIT(8)
1085/** @} */
1086
1087
1088/** @name VMX_EXIT_PORT_IO
1089 * @{
1090 */
1091/** 0-2: IO operation width. */
1092#define VMX_EXIT_QUALIFICATION_IO_WIDTH(a) (a & 7)
1093/** 3: IO operation direction. */
1094#define VMX_EXIT_QUALIFICATION_IO_DIRECTION(a) ((a >> 3) & 1)
1095/** 4: String IO operation. */
1096#define VMX_EXIT_QUALIFICATION_IO_STRING(a) ((a >> 4) & 1)
1097/** 5: Repeated IO operation. */
1098#define VMX_EXIT_QUALIFICATION_IO_REP(a) ((a >> 5) & 1)
1099/** 6: Operand encoding. */
1100#define VMX_EXIT_QUALIFICATION_IO_ENCODING(a) ((a >> 6) & 1)
1101/** 16-31: IO Port (0-0xffff). */
1102#define VMX_EXIT_QUALIFICATION_IO_PORT(a) ((a >> 16) & 0xffff)
1103/* Rest reserved. */
1104/** @} */
1105
1106/** @name VMX_EXIT_QUALIFICATION_IO_DIRECTION
1107 * @{
1108 */
1109#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_OUT 0
1110#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_IN 1
1111/** @} */
1112
1113
1114/** @name VMX_EXIT_QUALIFICATION_IO_ENCODING
1115 * @{
1116 */
1117#define VMX_EXIT_QUALIFICATION_IO_ENCODING_DX 0
1118#define VMX_EXIT_QUALIFICATION_IO_ENCODING_IMM 1
1119/** @} */
1120
1121/** @} */
1122
1123/** @name VMCS field encoding - Natural width guest state fields
1124 * @{
1125 */
1126#define VMX_VMCS_GUEST_CR0 0x6800
1127#define VMX_VMCS_GUEST_CR3 0x6802
1128#define VMX_VMCS_GUEST_CR4 0x6804
1129#define VMX_VMCS_GUEST_ES_BASE 0x6806
1130#define VMX_VMCS_GUEST_CS_BASE 0x6808
1131#define VMX_VMCS_GUEST_SS_BASE 0x680A
1132#define VMX_VMCS_GUEST_DS_BASE 0x680C
1133#define VMX_VMCS_GUEST_FS_BASE 0x680E
1134#define VMX_VMCS_GUEST_GS_BASE 0x6810
1135#define VMX_VMCS_GUEST_LDTR_BASE 0x6812
1136#define VMX_VMCS_GUEST_TR_BASE 0x6814
1137#define VMX_VMCS_GUEST_GDTR_BASE 0x6816
1138#define VMX_VMCS_GUEST_IDTR_BASE 0x6818
1139#define VMX_VMCS_GUEST_DR7 0x681A
1140#define VMX_VMCS_GUEST_RSP 0x681C
1141#define VMX_VMCS_GUEST_RIP 0x681E
1142#define VMX_VMCS_GUEST_RFLAGS 0x6820
1143#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS 0x6822
1144#define VMX_VMCS_GUEST_SYSENTER_ESP 0x6824 /**< MSR IA32_SYSENTER_ESP */
1145#define VMX_VMCS_GUEST_SYSENTER_EIP 0x6826 /**< MSR IA32_SYSENTER_EIP */
1146/** @} */
1147
1148
1149/** @name VMX_VMCS_GUEST_DEBUG_EXCEPTIONS
1150 * @{
1151 */
1152/** Hardware breakpoint 0 was met. */
1153#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B0 RT_BIT(0)
1154/** Hardware breakpoint 1 was met. */
1155#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B1 RT_BIT(1)
1156/** Hardware breakpoint 2 was met. */
1157#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B2 RT_BIT(2)
1158/** Hardware breakpoint 3 was met. */
1159#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B3 RT_BIT(3)
1160/** At least one data or IO breakpoint was hit. */
1161#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BREAKPOINT_ENABLED RT_BIT(12)
1162/** A debug exception would have been triggered by single-step execution mode. */
1163#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BS RT_BIT(14)
1164/** Bits 4-11, 13 and 15-63 are reserved. */
1165
1166/** @} */
1167
1168/** @name VMCS field encoding - Natural width host state fields
1169 * @{
1170 */
1171#define VMX_VMCS_HOST_CR0 0x6C00
1172#define VMX_VMCS_HOST_CR3 0x6C02
1173#define VMX_VMCS_HOST_CR4 0x6C04
1174#define VMX_VMCS_HOST_FS_BASE 0x6C06
1175#define VMX_VMCS_HOST_GS_BASE 0x6C08
1176#define VMX_VMCS_HOST_TR_BASE 0x6C0A
1177#define VMX_VMCS_HOST_GDTR_BASE 0x6C0C
1178#define VMX_VMCS_HOST_IDTR_BASE 0x6C0E
1179#define VMX_VMCS_HOST_SYSENTER_ESP 0x6C10
1180#define VMX_VMCS_HOST_SYSENTER_EIP 0x6C12
1181#define VMX_VMCS_HOST_RSP 0x6C14
1182#define VMX_VMCS_HOST_RIP 0x6C16
1183/** @} */
1184
1185/** @} */
1186
1187
1188#if RT_INLINE_ASM_GNU_STYLE
1189# define __STR(x) #x
1190# define STR(x) __STR(x)
1191#endif
1192
1193
1194/** @defgroup grp_vmx_asm vmx assembly helpers
1195 * @ingroup grp_vmx
1196 * @{
1197 */
1198
1199/**
1200 * Executes VMXON
1201 *
1202 * @returns VBox status code
1203 * @param pVMXOn Physical address of VMXON structure
1204 */
1205#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1206DECLASM(int) VMXEnable(RTHCPHYS pVMXOn);
1207#else
1208DECLINLINE(int) VMXEnable(RTHCPHYS pVMXOn)
1209{
1210 int rc = VINF_SUCCESS;
1211# if RT_INLINE_ASM_GNU_STYLE
1212 __asm__ __volatile__ (
1213 "push %3 \n\t"
1214 "push %2 \n\t"
1215 ".byte 0xF3, 0x0F, 0xC7, 0x34, 0x24 # VMXON [esp] \n\t"
1216 "ja 2f \n\t"
1217 "je 1f \n\t"
1218 "movl $"STR(VERR_VMX_INVALID_VMXON_PTR)", %0 \n\t"
1219 "jmp 2f \n\t"
1220 "1: \n\t"
1221 "movl $"STR(VERR_VMX_GENERIC)", %0 \n\t"
1222 "2: \n\t"
1223 "add $8, %%esp \n\t"
1224 :"=rm"(rc)
1225 :"0"(VINF_SUCCESS),
1226 "ir"((uint32_t)pVMXOn), /* don't allow direct memory reference here, */
1227 "ir"((uint32_t)(pVMXOn >> 32)) /* this would not work with -fomit-frame-pointer */
1228 :"memory"
1229 );
1230# else
1231 __asm
1232 {
1233 push dword ptr [pVMXOn+4]
1234 push dword ptr [pVMXOn]
1235 _emit 0xF3
1236 _emit 0x0F
1237 _emit 0xC7
1238 _emit 0x34
1239 _emit 0x24 /* VMXON [esp] */
1240 jnc vmxon_good
1241 mov dword ptr [rc], VERR_VMX_INVALID_VMXON_PTR
1242 jmp the_end
1243
1244vmxon_good:
1245 jnz the_end
1246 mov dword ptr [rc], VERR_VMX_GENERIC
1247the_end:
1248 add esp, 8
1249 }
1250# endif
1251 return rc;
1252}
1253#endif
1254
1255
1256/**
1257 * Executes VMXOFF
1258 */
1259#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1260DECLASM(void) VMXDisable(void);
1261#else
1262DECLINLINE(void) VMXDisable(void)
1263{
1264# if RT_INLINE_ASM_GNU_STYLE
1265 __asm__ __volatile__ (
1266 ".byte 0x0F, 0x01, 0xC4 # VMXOFF \n\t"
1267 );
1268# else
1269 __asm
1270 {
1271 _emit 0x0F
1272 _emit 0x01
1273 _emit 0xC4 /* VMXOFF */
1274 }
1275# endif
1276}
1277#endif
1278
1279
1280/**
1281 * Executes VMCLEAR
1282 *
1283 * @returns VBox status code
1284 * @param pVMCS Physical address of VM control structure
1285 */
1286#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1287DECLASM(int) VMXClearVMCS(RTHCPHYS pVMCS);
1288#else
1289DECLINLINE(int) VMXClearVMCS(RTHCPHYS pVMCS)
1290{
1291 int rc = VINF_SUCCESS;
1292# if RT_INLINE_ASM_GNU_STYLE
1293 __asm__ __volatile__ (
1294 "push %3 \n\t"
1295 "push %2 \n\t"
1296 ".byte 0x66, 0x0F, 0xC7, 0x34, 0x24 # VMCLEAR [esp] \n\t"
1297 "jnc 1f \n\t"
1298 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1299 "1: \n\t"
1300 "add $8, %%esp \n\t"
1301 :"=rm"(rc)
1302 :"0"(VINF_SUCCESS),
1303 "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1304 "ir"((uint32_t)(pVMCS >> 32)) /* this would not work with -fomit-frame-pointer */
1305 :"memory"
1306 );
1307# else
1308 __asm
1309 {
1310 push dword ptr [pVMCS+4]
1311 push dword ptr [pVMCS]
1312 _emit 0x66
1313 _emit 0x0F
1314 _emit 0xC7
1315 _emit 0x34
1316 _emit 0x24 /* VMCLEAR [esp] */
1317 jnc success
1318 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1319success:
1320 add esp, 8
1321 }
1322# endif
1323 return rc;
1324}
1325#endif
1326
1327
1328/**
1329 * Executes VMPTRLD
1330 *
1331 * @returns VBox status code
1332 * @param pVMCS Physical address of VMCS structure
1333 */
1334#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1335DECLASM(int) VMXActivateVMCS(RTHCPHYS pVMCS);
1336#else
1337DECLINLINE(int) VMXActivateVMCS(RTHCPHYS pVMCS)
1338{
1339 int rc = VINF_SUCCESS;
1340# if RT_INLINE_ASM_GNU_STYLE
1341 __asm__ __volatile__ (
1342 "push %3 \n\t"
1343 "push %2 \n\t"
1344 ".byte 0x0F, 0xC7, 0x34, 0x24 # VMPTRLD [esp] \n\t"
1345 "jnc 1f \n\t"
1346 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1347 "1: \n\t"
1348 "add $8, %%esp \n\t"
1349 :"=rm"(rc)
1350 :"0"(VINF_SUCCESS),
1351 "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1352 "ir"((uint32_t)(pVMCS >> 32)) /* this will not work with -fomit-frame-pointer */
1353 );
1354# else
1355 __asm
1356 {
1357 push dword ptr [pVMCS+4]
1358 push dword ptr [pVMCS]
1359 _emit 0x0F
1360 _emit 0xC7
1361 _emit 0x34
1362 _emit 0x24 /* VMPTRLD [esp] */
1363 jnc success
1364 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1365
1366success:
1367 add esp, 8
1368 }
1369# endif
1370 return rc;
1371}
1372#endif
1373
1374/**
1375 * Executes VMPTRST
1376 *
1377 * @returns VBox status code
1378 * @param pVMCS Address that will receive the current pointer
1379 */
1380DECLASM(int) VMXGetActivateVMCS(RTHCPHYS *pVMCS);
1381
1382/**
1383 * Executes VMWRITE
1384 *
1385 * @returns VBox status code
1386 * @param idxField VMCS index
1387 * @param u64Val 16, 32 or 64 bits value
1388 */
1389DECLASM(int) VMXWriteVMCS64(uint32_t idxField, uint64_t u64Val);
1390
1391/**
1392 * Executes VMWRITE
1393 *
1394 * @returns VBox status code
1395 * @param idxField VMCS index
1396 * @param u32Val 32 bits value
1397 */
1398#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1399DECLASM(int) VMXWriteVMCS32(uint32_t idxField, uint32_t u32Val);
1400#else
1401DECLINLINE(int) VMXWriteVMCS32(uint32_t idxField, uint32_t u32Val)
1402{
1403 int rc = VINF_SUCCESS;
1404# if RT_INLINE_ASM_GNU_STYLE
1405 __asm__ __volatile__ (
1406 ".byte 0x0F, 0x79, 0xC2 # VMWRITE eax, edx \n\t"
1407 "ja 2f \n\t"
1408 "je 1f \n\t"
1409 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1410 "jmp 2f \n\t"
1411 "1: \n\t"
1412 "movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
1413 "2: \n\t"
1414 :"=rm"(rc)
1415 :"0"(VINF_SUCCESS),
1416 "a"(idxField),
1417 "d"(u32Val)
1418 );
1419# else
1420 __asm
1421 {
1422 push dword ptr [u32Val]
1423 mov eax, [idxField]
1424 _emit 0x0F
1425 _emit 0x79
1426 _emit 0x04
1427 _emit 0x24 /* VMWRITE eax, [esp] */
1428 jnc valid_vmcs
1429 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1430 jmp the_end
1431
1432valid_vmcs:
1433 jnz the_end
1434 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
1435the_end:
1436 add esp, 4
1437 }
1438# endif
1439 return rc;
1440}
1441#endif
1442
1443#if HC_ARCH_BITS == 64
1444#define VMXWriteVMCS VMXWriteVMCS64
1445#else
1446#define VMXWriteVMCS VMXWriteVMCS32
1447#endif /* HC_ARCH_BITS == 64 */
1448
1449
1450/**
1451 * Executes VMREAD
1452 *
1453 * @returns VBox status code
1454 * @param idxField VMCS index
1455 * @param pData Ptr to store VM field value
1456 */
1457DECLASM(int) VMXReadVMCS64(uint32_t idxField, uint64_t *pData);
1458
1459/**
1460 * Invalidate a page using invept
1461 * @returns VBox status code
1462 * @param enmFlush Type of flush
1463 * @param pDescriptor Descriptor
1464 */
1465DECLASM(int) VMXR0InvEPT(VMX_FLUSH enmFlush, uint64_t *pDescriptor);
1466
1467/**
1468 * Invalidate a page using invvpid
1469 * @returns VBox status code
1470 * @param enmFlush Type of flush
1471 * @param pDescriptor Descriptor
1472 */
1473DECLASM(int) VMXR0InvVPID(VMX_FLUSH enmFlush, uint64_t *pDescriptor);
1474
1475/**
1476 * Executes VMREAD
1477 *
1478 * @returns VBox status code
1479 * @param idxField VMCS index
1480 * @param pData Ptr to store VM field value
1481 */
1482#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64
1483DECLASM(int) VMXReadVMCS32(uint32_t idxField, uint32_t *pData);
1484#else
1485DECLINLINE(int) VMXReadVMCS32(uint32_t idxField, uint32_t *pData)
1486{
1487 int rc = VINF_SUCCESS;
1488# if RT_INLINE_ASM_GNU_STYLE
1489 __asm__ __volatile__ (
1490 "movl $"STR(VINF_SUCCESS)", %0 \n\t"
1491 ".byte 0x0F, 0x78, 0xc2 # VMREAD eax, edx \n\t"
1492 "ja 2f \n\t"
1493 "je 1f \n\t"
1494 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1495 "jmp 2f \n\t"
1496 "1: \n\t"
1497 "movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
1498 "2: \n\t"
1499 :"=&r"(rc),
1500 "=d"(*pData)
1501 :"a"(idxField),
1502 "d"(0)
1503 );
1504# else
1505 __asm
1506 {
1507 sub esp, 4
1508 mov dword ptr [esp], 0
1509 mov eax, [idxField]
1510 _emit 0x0F
1511 _emit 0x78
1512 _emit 0x04
1513 _emit 0x24 /* VMREAD eax, [esp] */
1514 mov edx, pData
1515 pop dword ptr [edx]
1516 jnc valid_vmcs
1517 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1518 jmp the_end
1519
1520valid_vmcs:
1521 jnz the_end
1522 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
1523the_end:
1524 }
1525# endif
1526 return rc;
1527}
1528#endif
1529
1530#if HC_ARCH_BITS == 64
1531# define VMXReadVMCS VMXReadVMCS64
1532#else
1533# define VMXReadVMCS VMXReadVMCS32
1534#endif /* HC_ARCH_BITS == 64 */
1535
1536/**
1537 * Gets the last instruction error value from the current VMCS
1538 *
1539 * @returns error value
1540 */
1541DECLINLINE(uint32_t) VMXGetLastError(void)
1542{
1543#if HC_ARCH_BITS == 64
1544 uint64_t uLastError = 0;
1545 int rc = VMXReadVMCS(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError);
1546 AssertRC(rc);
1547 return (uint32_t)uLastError;
1548
1549#else /* 32-bit host: */
1550 uint32_t uLastError = 0;
1551 int rc = VMXReadVMCS32(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError);
1552 AssertRC(rc);
1553 return uLastError;
1554#endif
1555}
1556
1557#ifdef IN_RING0
1558VMMR0DECL(int) VMXR0InvalidatePage(PVM pVM, PVMCPU pVCpu, RTGCPTR GCVirt);
1559VMMR0DECL(int) VMXR0InvalidatePhysPage(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys);
1560#endif /* IN_RING0 */
1561
1562/** @} */
1563
1564#endif
1565
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