VirtualBox

source: vbox/trunk/include/VBox/vmm/hwacc_vmx.h@ 41189

Last change on this file since 41189 was 41189, checked in by vboxsync, 13 years ago

VMM/VMMR0/HWVMXR0: Implemented EPT+VPID TLB flushing before VM entry.

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1/** @file
2 * HWACCM - VMX Structures and Definitions. (VMM)
3 */
4
5/*
6 * Copyright (C) 2006-2010 Oracle Corporation
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef ___VBox_vmm_vmx_h
27#define ___VBox_vmm_vmx_h
28
29#include <VBox/types.h>
30#include <VBox/err.h>
31#include <iprt/x86.h>
32#include <iprt/assert.h>
33
34/** @defgroup grp_vmx vmx Types and Definitions
35 * @ingroup grp_hwaccm
36 * @{
37 */
38
39/** @name VMX EPT paging structures
40 * @{
41 */
42
43/**
44 * Number of page table entries in the EPT. (PDPTE/PDE/PTE)
45 */
46#define EPT_PG_ENTRIES X86_PG_PAE_ENTRIES
47
48/**
49 * EPT Page Directory Pointer Entry. Bit view.
50 * @todo uint64_t isn't safe for bitfields (gcc pedantic warnings, and IIRC,
51 * this did cause trouble with one compiler/version).
52 */
53#pragma pack(1)
54typedef struct EPTPML4EBITS
55{
56 /** Present bit. */
57 uint64_t u1Present : 1;
58 /** Writable bit. */
59 uint64_t u1Write : 1;
60 /** Executable bit. */
61 uint64_t u1Execute : 1;
62 /** Reserved (must be 0). */
63 uint64_t u5Reserved : 5;
64 /** Available for software. */
65 uint64_t u4Available : 4;
66 /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */
67 uint64_t u40PhysAddr : 40;
68 /** Availabe for software. */
69 uint64_t u12Available : 12;
70} EPTPML4EBITS;
71#pragma pack()
72AssertCompileSize(EPTPML4EBITS, 8);
73
74/** Bits 12-51 - - EPT - Physical Page number of the next level. */
75#define EPT_PML4E_PG_MASK X86_PML4E_PG_MASK
76/** The page shift to get the PML4 index. */
77#define EPT_PML4_SHIFT X86_PML4_SHIFT
78/** The PML4 index mask (apply to a shifted page address). */
79#define EPT_PML4_MASK X86_PML4_MASK
80
81/**
82 * EPT PML4E.
83 */
84#pragma pack(1)
85typedef union EPTPML4E
86{
87 /** Normal view. */
88 EPTPML4EBITS n;
89 /** Unsigned integer view. */
90 X86PGPAEUINT u;
91 /** 64 bit unsigned integer view. */
92 uint64_t au64[1];
93 /** 32 bit unsigned integer view. */
94 uint32_t au32[2];
95} EPTPML4E;
96#pragma pack()
97/** Pointer to a PML4 table entry. */
98typedef EPTPML4E *PEPTPML4E;
99/** Pointer to a const PML4 table entry. */
100typedef const EPTPML4E *PCEPTPML4E;
101AssertCompileSize(EPTPML4E, 8);
102
103/**
104 * EPT PML4 Table.
105 */
106#pragma pack(1)
107typedef struct EPTPML4
108{
109 EPTPML4E a[EPT_PG_ENTRIES];
110} EPTPML4;
111#pragma pack()
112/** Pointer to an EPT PML4 Table. */
113typedef EPTPML4 *PEPTPML4;
114/** Pointer to a const EPT PML4 Table. */
115typedef const EPTPML4 *PCEPTPML4;
116
117/**
118 * EPT Page Directory Pointer Entry. Bit view.
119 */
120#pragma pack(1)
121typedef struct EPTPDPTEBITS
122{
123 /** Present bit. */
124 uint64_t u1Present : 1;
125 /** Writable bit. */
126 uint64_t u1Write : 1;
127 /** Executable bit. */
128 uint64_t u1Execute : 1;
129 /** Reserved (must be 0). */
130 uint64_t u5Reserved : 5;
131 /** Available for software. */
132 uint64_t u4Available : 4;
133 /** Physical address of the next level (PD). Restricted by maximum physical address width of the cpu. */
134 uint64_t u40PhysAddr : 40;
135 /** Availabe for software. */
136 uint64_t u12Available : 12;
137} EPTPDPTEBITS;
138#pragma pack()
139AssertCompileSize(EPTPDPTEBITS, 8);
140
141/** Bits 12-51 - - EPT - Physical Page number of the next level. */
142#define EPT_PDPTE_PG_MASK X86_PDPE_PG_MASK
143/** The page shift to get the PDPT index. */
144#define EPT_PDPT_SHIFT X86_PDPT_SHIFT
145/** The PDPT index mask (apply to a shifted page address). */
146#define EPT_PDPT_MASK X86_PDPT_MASK_AMD64
147
148/**
149 * EPT Page Directory Pointer.
150 */
151#pragma pack(1)
152typedef union EPTPDPTE
153{
154 /** Normal view. */
155 EPTPDPTEBITS n;
156 /** Unsigned integer view. */
157 X86PGPAEUINT u;
158 /** 64 bit unsigned integer view. */
159 uint64_t au64[1];
160 /** 32 bit unsigned integer view. */
161 uint32_t au32[2];
162} EPTPDPTE;
163#pragma pack()
164/** Pointer to an EPT Page Directory Pointer Entry. */
165typedef EPTPDPTE *PEPTPDPTE;
166/** Pointer to a const EPT Page Directory Pointer Entry. */
167typedef const EPTPDPTE *PCEPTPDPTE;
168AssertCompileSize(EPTPDPTE, 8);
169
170/**
171 * EPT Page Directory Pointer Table.
172 */
173#pragma pack(1)
174typedef struct EPTPDPT
175{
176 EPTPDPTE a[EPT_PG_ENTRIES];
177} EPTPDPT;
178#pragma pack()
179/** Pointer to an EPT Page Directory Pointer Table. */
180typedef EPTPDPT *PEPTPDPT;
181/** Pointer to a const EPT Page Directory Pointer Table. */
182typedef const EPTPDPT *PCEPTPDPT;
183
184
185/**
186 * EPT Page Directory Table Entry. Bit view.
187 */
188#pragma pack(1)
189typedef struct EPTPDEBITS
190{
191 /** Present bit. */
192 uint64_t u1Present : 1;
193 /** Writable bit. */
194 uint64_t u1Write : 1;
195 /** Executable bit. */
196 uint64_t u1Execute : 1;
197 /** Reserved (must be 0). */
198 uint64_t u4Reserved : 4;
199 /** Big page (must be 0 here). */
200 uint64_t u1Size : 1;
201 /** Available for software. */
202 uint64_t u4Available : 4;
203 /** Physical address of page table. Restricted by maximum physical address width of the cpu. */
204 uint64_t u40PhysAddr : 40;
205 /** Availabe for software. */
206 uint64_t u12Available : 12;
207} EPTPDEBITS;
208#pragma pack()
209AssertCompileSize(EPTPDEBITS, 8);
210
211/** Bits 12-51 - - EPT - Physical Page number of the next level. */
212#define EPT_PDE_PG_MASK X86_PDE_PAE_PG_MASK
213/** The page shift to get the PD index. */
214#define EPT_PD_SHIFT X86_PD_PAE_SHIFT
215/** The PD index mask (apply to a shifted page address). */
216#define EPT_PD_MASK X86_PD_PAE_MASK
217
218/**
219 * EPT 2MB Page Directory Table Entry. Bit view.
220 */
221#pragma pack(1)
222typedef struct EPTPDE2MBITS
223{
224 /** Present bit. */
225 uint64_t u1Present : 1;
226 /** Writable bit. */
227 uint64_t u1Write : 1;
228 /** Executable bit. */
229 uint64_t u1Execute : 1;
230 /** EPT Table Memory Type. MBZ for non-leaf nodes. */
231 uint64_t u3EMT : 3;
232 /** Ignore PAT memory type */
233 uint64_t u1IgnorePAT : 1;
234 /** Big page (must be 1 here). */
235 uint64_t u1Size : 1;
236 /** Available for software. */
237 uint64_t u4Available : 4;
238 /** Reserved (must be 0). */
239 uint64_t u9Reserved : 9;
240 /** Physical address of the 2MB page. Restricted by maximum physical address width of the cpu. */
241 uint64_t u31PhysAddr : 31;
242 /** Availabe for software. */
243 uint64_t u12Available : 12;
244} EPTPDE2MBITS;
245#pragma pack()
246AssertCompileSize(EPTPDE2MBITS, 8);
247
248/** Bits 21-51 - - EPT - Physical Page number of the next level. */
249#define EPT_PDE2M_PG_MASK X86_PDE2M_PAE_PG_MASK
250
251/**
252 * EPT Page Directory Table Entry.
253 */
254#pragma pack(1)
255typedef union EPTPDE
256{
257 /** Normal view. */
258 EPTPDEBITS n;
259 /** 2MB view (big). */
260 EPTPDE2MBITS b;
261 /** Unsigned integer view. */
262 X86PGPAEUINT u;
263 /** 64 bit unsigned integer view. */
264 uint64_t au64[1];
265 /** 32 bit unsigned integer view. */
266 uint32_t au32[2];
267} EPTPDE;
268#pragma pack()
269/** Pointer to an EPT Page Directory Table Entry. */
270typedef EPTPDE *PEPTPDE;
271/** Pointer to a const EPT Page Directory Table Entry. */
272typedef const EPTPDE *PCEPTPDE;
273AssertCompileSize(EPTPDE, 8);
274
275/**
276 * EPT Page Directory Table.
277 */
278#pragma pack(1)
279typedef struct EPTPD
280{
281 EPTPDE a[EPT_PG_ENTRIES];
282} EPTPD;
283#pragma pack()
284/** Pointer to an EPT Page Directory Table. */
285typedef EPTPD *PEPTPD;
286/** Pointer to a const EPT Page Directory Table. */
287typedef const EPTPD *PCEPTPD;
288
289
290/**
291 * EPT Page Table Entry. Bit view.
292 */
293#pragma pack(1)
294typedef struct EPTPTEBITS
295{
296 /** 0 - Present bit.
297 * @remark This is a convenience "misnomer". The bit actually indicates
298 * read access and the CPU will consider an entry with any of the
299 * first three bits set as present. Since all our valid entries
300 * will have this bit set, it can be used as a present indicator
301 * and allow some code sharing. */
302 uint64_t u1Present : 1;
303 /** 1 - Writable bit. */
304 uint64_t u1Write : 1;
305 /** 2 - Executable bit. */
306 uint64_t u1Execute : 1;
307 /** 5:3 - EPT Memory Type. MBZ for non-leaf nodes. */
308 uint64_t u3EMT : 3;
309 /** 6 - Ignore PAT memory type */
310 uint64_t u1IgnorePAT : 1;
311 /** 11:7 - Available for software. */
312 uint64_t u5Available : 5;
313 /** 51:12 - Physical address of page. Restricted by maximum physical
314 * address width of the cpu. */
315 uint64_t u40PhysAddr : 40;
316 /** 63:52 - Available for software. */
317 uint64_t u12Available : 12;
318} EPTPTEBITS;
319#pragma pack()
320AssertCompileSize(EPTPTEBITS, 8);
321
322/** Bits 12-51 - - EPT - Physical Page number of the next level. */
323#define EPT_PTE_PG_MASK X86_PTE_PAE_PG_MASK
324/** The page shift to get the EPT PTE index. */
325#define EPT_PT_SHIFT X86_PT_PAE_SHIFT
326/** The EPT PT index mask (apply to a shifted page address). */
327#define EPT_PT_MASK X86_PT_PAE_MASK
328
329/**
330 * EPT Page Table Entry.
331 */
332#pragma pack(1)
333typedef union EPTPTE
334{
335 /** Normal view. */
336 EPTPTEBITS n;
337 /** Unsigned integer view. */
338 X86PGPAEUINT u;
339 /** 64 bit unsigned integer view. */
340 uint64_t au64[1];
341 /** 32 bit unsigned integer view. */
342 uint32_t au32[2];
343} EPTPTE;
344#pragma pack()
345/** Pointer to an EPT Page Directory Table Entry. */
346typedef EPTPTE *PEPTPTE;
347/** Pointer to a const EPT Page Directory Table Entry. */
348typedef const EPTPTE *PCEPTPTE;
349AssertCompileSize(EPTPTE, 8);
350
351/**
352 * EPT Page Table.
353 */
354#pragma pack(1)
355typedef struct EPTPT
356{
357 EPTPTE a[EPT_PG_ENTRIES];
358} EPTPT;
359#pragma pack()
360/** Pointer to an extended page table. */
361typedef EPTPT *PEPTPT;
362/** Pointer to a const extended table. */
363typedef const EPTPT *PCEPTPT;
364
365/**
366 * VPID flush types.
367 */
368typedef enum
369{
370 /** Invalidate a specific page. */
371 VMX_FLUSH_VPID_INDIV_ADDR = 0,
372 /** Invalidate one context (specific VPID). */
373 VMX_FLUSH_VPID_SINGLE_CONTEXT = 1,
374 /** Invalidate all contexts (all VPIDs). */
375 VMX_FLUSH_VPID_ALL_CONTEXTS = 2,
376 /** Invalidate a single VPID context retaining global mappings. */
377 VMX_FLUSH_VPID_SINGLE_CONTEXT_RETAIN_GLOBALS = 3,
378 /** Unsupported by VirtualBox. */
379 VMX_FLUSH_VPID_NOT_SUPPORTED = 0xbad,
380 /** Unsupported by CPU. */
381 VMX_FLUSH_VPID_NONE = 0xb00,
382 /** 32bit hackishness. */
383 VMX_FLUSH_VPID_32BIT_HACK = 0x7fffffff
384} VMX_FLUSH_VPID;
385
386/**
387 * EPT flush types.
388 */
389typedef enum
390{
391 /** Invalidate one context (specific EPT). */
392 VMX_FLUSH_EPT_SINGLE_CONTEXT = 1,
393 /* Invalidate all contexts (all EPTs) */
394 VMX_FLUSH_EPT_ALL_CONTEXTS = 2,
395 /** Unsupported by VirtualBox. */
396 VMX_FLUSH_EPT_NOT_SUPPORTED = 0xbad,
397 /** Unsupported by CPU. */
398 VMX_FLUSH_EPT_NONE = 0xb00,
399 /** 32bit hackishness. */
400 VMX_FLUSH_EPT_32BIT_HACK = 0x7fffffff
401} VMX_FLUSH_EPT;
402/** @} */
403
404/** @name MSR load/store elements
405 * @{
406 */
407#pragma pack(1)
408typedef struct
409{
410 uint32_t u32IndexMSR;
411 uint32_t u32Reserved;
412 uint64_t u64Value;
413} VMXMSR;
414#pragma pack()
415/** Pointer to an MSR load/store element. */
416typedef VMXMSR *PVMXMSR;
417/** Pointer to a const MSR load/store element. */
418typedef const VMXMSR *PCVMXMSR;
419
420/** @} */
421
422
423/** @name VT-x capability qword
424 * @{
425 */
426#pragma pack(1)
427typedef union
428{
429 struct
430 {
431 uint32_t disallowed0;
432 uint32_t allowed1;
433 } n;
434 uint64_t u;
435} VMX_CAPABILITY;
436#pragma pack()
437/** @} */
438
439/** @name VMX Basic Exit Reasons.
440 * @{
441 */
442/** And-mask for setting reserved bits to zero */
443#define VMX_EFLAGS_RESERVED_0 (~0xffc08028)
444/** Or-mask for setting reserved bits to 1 */
445#define VMX_EFLAGS_RESERVED_1 0x00000002
446/** @} */
447
448/** @name VMX Basic Exit Reasons.
449 * @{
450 */
451/** -1 Invalid exit code */
452#define VMX_EXIT_INVALID -1
453/** 0 Exception or non-maskable interrupt (NMI). */
454#define VMX_EXIT_EXCEPTION 0
455/** 1 External interrupt. */
456#define VMX_EXIT_EXTERNAL_IRQ 1
457/** 2 Triple fault. */
458#define VMX_EXIT_TRIPLE_FAULT 2
459/** 3 INIT signal. */
460#define VMX_EXIT_INIT_SIGNAL 3
461/** 4 Start-up IPI (SIPI). */
462#define VMX_EXIT_SIPI 4
463/** 5 I/O system-management interrupt (SMI). */
464#define VMX_EXIT_IO_SMI_IRQ 5
465/** 6 Other SMI. */
466#define VMX_EXIT_SMI_IRQ 6
467/** 7 Interrupt window. */
468#define VMX_EXIT_IRQ_WINDOW 7
469/** 9 Task switch. */
470#define VMX_EXIT_TASK_SWITCH 9
471/** 10 Guest software attempted to execute CPUID. */
472#define VMX_EXIT_CPUID 10
473/** 12 Guest software attempted to execute HLT. */
474#define VMX_EXIT_HLT 12
475/** 13 Guest software attempted to execute INVD. */
476#define VMX_EXIT_INVD 13
477/** 14 Guest software attempted to execute INVPG. */
478#define VMX_EXIT_INVPG 14
479/** 15 Guest software attempted to execute RDPMC. */
480#define VMX_EXIT_RDPMC 15
481/** 16 Guest software attempted to execute RDTSC. */
482#define VMX_EXIT_RDTSC 16
483/** 17 Guest software attempted to execute RSM in SMM. */
484#define VMX_EXIT_RSM 17
485/** 18 Guest software executed VMCALL. */
486#define VMX_EXIT_VMCALL 18
487/** 19 Guest software executed VMCLEAR. */
488#define VMX_EXIT_VMCLEAR 19
489/** 20 Guest software executed VMLAUNCH. */
490#define VMX_EXIT_VMLAUNCH 20
491/** 21 Guest software executed VMPTRLD. */
492#define VMX_EXIT_VMPTRLD 21
493/** 22 Guest software executed VMPTRST. */
494#define VMX_EXIT_VMPTRST 22
495/** 23 Guest software executed VMREAD. */
496#define VMX_EXIT_VMREAD 23
497/** 24 Guest software executed VMRESUME. */
498#define VMX_EXIT_VMRESUME 24
499/** 25 Guest software executed VMWRITE. */
500#define VMX_EXIT_VMWRITE 25
501/** 26 Guest software executed VMXOFF. */
502#define VMX_EXIT_VMXOFF 26
503/** 27 Guest software executed VMXON. */
504#define VMX_EXIT_VMXON 27
505/** 28 Control-register accesses. */
506#define VMX_EXIT_CRX_MOVE 28
507/** 29 Debug-register accesses. */
508#define VMX_EXIT_DRX_MOVE 29
509/** 30 I/O instruction. */
510#define VMX_EXIT_PORT_IO 30
511/** 31 RDMSR. Guest software attempted to execute RDMSR. */
512#define VMX_EXIT_RDMSR 31
513/** 32 WRMSR. Guest software attempted to execute WRMSR. */
514#define VMX_EXIT_WRMSR 32
515/** 33 VM-entry failure due to invalid guest state. */
516#define VMX_EXIT_ERR_INVALID_GUEST_STATE 33
517/** 34 VM-entry failure due to MSR loading. */
518#define VMX_EXIT_ERR_MSR_LOAD 34
519/** 36 Guest software executed MWAIT. */
520#define VMX_EXIT_MWAIT 36
521/** 37 VM exit due to monitor trap flag. */
522#define VMX_EXIT_MTF 37
523/** 39 Guest software attempted to execute MONITOR. */
524#define VMX_EXIT_MONITOR 39
525/** 40 Guest software attempted to execute PAUSE. */
526#define VMX_EXIT_PAUSE 40
527/** 41 VM-entry failure due to machine-check. */
528#define VMX_EXIT_ERR_MACHINE_CHECK 41
529/** 43 TPR below threshold. Guest software executed MOV to CR8. */
530#define VMX_EXIT_TPR 43
531/** 44 APIC access. Guest software attempted to access memory at a physical address on the APIC-access page. */
532#define VMX_EXIT_APIC_ACCESS 44
533/** 46 Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT. */
534#define VMX_EXIT_XDTR_ACCESS 46
535/** 47 Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR. */
536#define VMX_EXIT_TR_ACCESS 47
537/** 48 EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures. */
538#define VMX_EXIT_EPT_VIOLATION 48
539/** 49 EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry. */
540#define VMX_EXIT_EPT_MISCONFIG 49
541/** 50 INVEPT. Guest software attempted to execute INVEPT. */
542#define VMX_EXIT_INVEPT 50
543/** 52 VMX-preemption timer expired. The preemption timer counted down to zero. */
544#define VMX_EXIT_PREEMPTION_TIMER 52
545/** 53 INVVPID. Guest software attempted to execute INVVPID. */
546#define VMX_EXIT_INVVPID 53
547/** 54 WBINVD. Guest software attempted to execute WBINVD. */
548#define VMX_EXIT_WBINVD 54
549/** 55 XSETBV. Guest software attempted to execute XSETBV. */
550#define VMX_EXIT_XSETBV 55
551/** @} */
552
553
554/** @name VM Instruction Errors
555 * @{
556 */
557/** 1 VMCALL executed in VMX root operation. */
558#define VMX_ERROR_VMCALL 1
559/** 2 VMCLEAR with invalid physical address. */
560#define VMX_ERROR_VMCLEAR_INVALID_PHYS_ADDR 2
561/** 3 VMCLEAR with VMXON pointer. */
562#define VMX_ERROR_VMCLEAR_INVALID_VMXON_PTR 3
563/** 4 VMLAUNCH with non-clear VMCS. */
564#define VMX_ERROR_VMLAUCH_NON_CLEAR_VMCS 4
565/** 5 VMRESUME with non-launched VMCS. */
566#define VMX_ERROR_VMRESUME_NON_LAUNCHED_VMCS 5
567/** 6 VMRESUME with a corrupted VMCS (indicates corruption of the current VMCS). */
568#define VMX_ERROR_VMRESUME_CORRUPTED_VMCS 6
569/** 7 VM entry with invalid control field(s). */
570#define VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS 7
571/** 8 VM entry with invalid host-state field(s). */
572#define VMX_ERROR_VMENTRY_INVALID_HOST_STATE 8
573/** 9 VMPTRLD with invalid physical address. */
574#define VMX_ERROR_VMPTRLD_INVALID_PHYS_ADDR 9
575/** 10 VMPTRLD with VMXON pointer. */
576#define VMX_ERROR_VMPTRLD_VMXON_PTR 10
577/** 11 VMPTRLD with incorrect VMCS revision identifier. */
578#define VMX_ERROR_VMPTRLD_WRONG_VMCS_REVISION 11
579/** 12 VMREAD/VMWRITE from/to unsupported VMCS component. */
580#define VMX_ERROR_VMREAD_INVALID_COMPONENT 12
581#define VMX_ERROR_VMWRITE_INVALID_COMPONENT VMX_ERROR_VMREAD_INVALID_COMPONENT
582/** 13 VMWRITE to read-only VMCS component. */
583#define VMX_ERROR_VMWRITE_READONLY_COMPONENT 13
584/** 15 VMXON executed in VMX root operation. */
585#define VMX_ERROR_VMXON_IN_VMX_ROOT_OP 15
586/** 16 VM entry with invalid executive-VMCS pointer. */
587#define VMX_ERROR_VMENTRY_INVALID_VMCS_EXEC_PTR 16
588/** 17 VM entry with non-launched executive VMCS. */
589#define VMX_ERROR_VMENTRY_NON_LAUNCHED_EXEC_VMCS 17
590/** 18 VM entry with executive-VMCS pointer not VMXON pointer. */
591#define VMX_ERROR_VMENTRY_EXEC_VMCS_PTR 18
592/** 19 VMCALL with non-clear VMCS. */
593#define VMX_ERROR_VMCALL_NON_CLEAR_VMCS 19
594/** 20 VMCALL with invalid VM-exit control fields. */
595#define VMX_ERROR_VMCALL_INVALID_VMEXIT_FIELDS 20
596/** 22 VMCALL with incorrect MSEG revision identifier. */
597#define VMX_ERROR_VMCALL_INVALID_MSEG_REVISION 22
598/** 23 VMXOFF under dual-monitor treatment of SMIs and SMM. */
599#define VMX_ERROR_VMXOFF_DUAL_MONITOR 23
600/** 24 VMCALL with invalid SMM-monitor features. */
601#define VMX_ERROR_VMCALL_INVALID_SMM_MONITOR 24
602/** 25 VM entry with invalid VM-execution control fields in executive VMCS. */
603#define VMX_ERROR_VMENTRY_INVALID_VM_EXEC_CTRL 25
604/** 26 VM entry with events blocked by MOV SS. */
605#define VMX_ERROR_VMENTRY_MOV_SS 26
606/** 26 Invalid operand to INVEPT/INVVPID. */
607#define VMX_ERROR_INVEPTVPID_INVALID_OPERAND 28
608
609/** @} */
610
611
612/** @name VMX MSRs - Basic VMX information.
613 * @{
614 */
615/** VMCS revision identifier used by the processor. */
616#define MSR_IA32_VMX_BASIC_INFO_VMCS_ID(a) (a & 0x7FFFFFFF)
617/** Size of the VMCS. */
618#define MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(a) (((a) >> 32) & 0xFFF)
619/** Width of physical address used for the VMCS.
620 * 0 -> limited to the available amount of physical ram
621 * 1 -> within the first 4 GB
622 */
623#define MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(a) (((a) >> 48) & 1)
624/** Whether the processor supports the dual-monitor treatment of system-management interrupts and system-management code. (always 1) */
625#define MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(a) (((a) >> 49) & 1)
626/** Memory type that must be used for the VMCS. */
627#define MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(a) (((a) >> 50) & 0xF)
628/** @} */
629
630
631/** @name VMX MSRs - Misc VMX info.
632 * @{
633 */
634/** Relationship between the preemption timer and tsc; count down every time bit x of the tsc changes. */
635#define MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(a) ((a) & 0x1f)
636/** Activity states supported by the implementation. */
637#define MSR_IA32_VMX_MISC_ACTIVITY_STATES(a) (((a) >> 6) & 0x7)
638/** Number of CR3 target values supported by the processor. (0-256) */
639#define MSR_IA32_VMX_MISC_CR3_TARGET(a) (((a) >> 16) & 0x1FF)
640/** Maximum nr of MSRs in the VMCS. (N+1)*512. */
641#define MSR_IA32_VMX_MISC_MAX_MSR(a) (((((a) >> 25) & 0x7) + 1) * 512)
642/** MSEG revision identifier used by the processor. */
643#define MSR_IA32_VMX_MISC_MSEG_ID(a) ((a) >> 32)
644/** @} */
645
646
647/** @name VMX MSRs - VMCS enumeration field info
648 * @{
649 */
650/** Highest field index. */
651#define MSR_IA32_VMX_VMCS_ENUM_HIGHEST_INDEX(a) (((a) >> 1) & 0x1FF)
652
653/** @} */
654
655
656/** @name MSR_IA32_VMX_EPT_CAPS; EPT capabilities MSR
657 * @{
658 */
659#define MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY RT_BIT_64(0)
660#define MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY RT_BIT_64(1)
661#define MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY RT_BIT_64(2)
662#define MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS RT_BIT_64(3)
663#define MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS RT_BIT_64(4)
664#define MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS RT_BIT_64(5)
665#define MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS RT_BIT_64(6)
666#define MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS RT_BIT_64(7)
667#define MSR_IA32_VMX_EPT_CAPS_EMT_UC RT_BIT_64(8)
668#define MSR_IA32_VMX_EPT_CAPS_EMT_WC RT_BIT_64(9)
669#define MSR_IA32_VMX_EPT_CAPS_EMT_WT RT_BIT_64(12)
670#define MSR_IA32_VMX_EPT_CAPS_EMT_WP RT_BIT_64(13)
671#define MSR_IA32_VMX_EPT_CAPS_EMT_WB RT_BIT_64(14)
672#define MSR_IA32_VMX_EPT_CAPS_SP_21_BITS RT_BIT_64(16)
673#define MSR_IA32_VMX_EPT_CAPS_SP_30_BITS RT_BIT_64(17)
674#define MSR_IA32_VMX_EPT_CAPS_SP_39_BITS RT_BIT_64(18)
675#define MSR_IA32_VMX_EPT_CAPS_SP_48_BITS RT_BIT_64(19)
676#define MSR_IA32_VMX_EPT_CAPS_INVEPT RT_BIT_64(20)
677#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_SINGLE_CONTEXT RT_BIT_64(25)
678#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL_CONTEXTS RT_BIT_64(26)
679#define MSR_IA32_VMX_EPT_CAPS_INVVPID RT_BIT_64(32)
680#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV_ADDR RT_BIT_64(40)
681#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_SINGLE_CONTEXT RT_BIT_64(41)
682#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL_CONTEXTS RT_BIT_64(42)
683#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_SINGLE_CONTEXT_RETAIN_GLOBALS RT_BIT_64(43)
684
685/** @} */
686
687/** @name Extended Page Table Pointer (EPTP)
688 * @{
689 */
690/** Uncachable EPT paging structure memory type. */
691#define VMX_EPT_MEMTYPE_UC 0
692/** Write-back EPT paging structure memory type. */
693#define VMX_EPT_MEMTYPE_WB 6
694/** Shift value to get the EPT page walk length (bits 5-3) */
695#define VMX_EPT_PAGE_WALK_LENGTH_SHIFT 3
696/** Mask value to get the EPT page walk length (bits 5-3) */
697#define VMX_EPT_PAGE_WALK_LENGTH_MASK 7
698/** Default EPT page walk length */
699#define VMX_EPT_PAGE_WALK_LENGTH_DEFAULT 3
700/** @} */
701
702
703/** @name VMCS field encoding - 16 bits guest fields
704 * @{
705 */
706#define VMX_VMCS16_GUEST_FIELD_VPID 0x0
707#define VMX_VMCS16_GUEST_FIELD_ES 0x800
708#define VMX_VMCS16_GUEST_FIELD_CS 0x802
709#define VMX_VMCS16_GUEST_FIELD_SS 0x804
710#define VMX_VMCS16_GUEST_FIELD_DS 0x806
711#define VMX_VMCS16_GUEST_FIELD_FS 0x808
712#define VMX_VMCS16_GUEST_FIELD_GS 0x80A
713#define VMX_VMCS16_GUEST_FIELD_LDTR 0x80C
714#define VMX_VMCS16_GUEST_FIELD_TR 0x80E
715/** @} */
716
717/** @name VMCS field encoding - 16 bits host fields
718 * @{
719 */
720#define VMX_VMCS16_HOST_FIELD_ES 0xC00
721#define VMX_VMCS16_HOST_FIELD_CS 0xC02
722#define VMX_VMCS16_HOST_FIELD_SS 0xC04
723#define VMX_VMCS16_HOST_FIELD_DS 0xC06
724#define VMX_VMCS16_HOST_FIELD_FS 0xC08
725#define VMX_VMCS16_HOST_FIELD_GS 0xC0A
726#define VMX_VMCS16_HOST_FIELD_TR 0xC0C
727/** @} */
728
729/** @name VMCS field encoding - 64 bits host fields
730 * @{
731 */
732#define VMX_VMCS_HOST_FIELD_PAT_FULL 0x2C00
733#define VMX_VMCS_HOST_FIELD_PAT_HIGH 0x2C01
734#define VMX_VMCS_HOST_FIELD_EFER_FULL 0x2C02
735#define VMX_VMCS_HOST_FIELD_EFER_HIGH 0x2C03
736#define VMX_VMCS_HOST_PERF_GLOBAL_CTRL_FULL 0x2C04 /**< MSR IA32_PERF_GLOBAL_CTRL */
737#define VMX_VMCS_HOST_PERF_GLOBAL_CTRL_HIGH 0x2C05 /**< MSR IA32_PERF_GLOBAL_CTRL */
738/** @} */
739
740
741/** @name VMCS field encoding - 64 Bits control fields
742 * @{
743 */
744#define VMX_VMCS_CTRL_IO_BITMAP_A_FULL 0x2000
745#define VMX_VMCS_CTRL_IO_BITMAP_A_HIGH 0x2001
746#define VMX_VMCS_CTRL_IO_BITMAP_B_FULL 0x2002
747#define VMX_VMCS_CTRL_IO_BITMAP_B_HIGH 0x2003
748
749/* Optional */
750#define VMX_VMCS_CTRL_MSR_BITMAP_FULL 0x2004
751#define VMX_VMCS_CTRL_MSR_BITMAP_HIGH 0x2005
752
753#define VMX_VMCS_CTRL_VMEXIT_MSR_STORE_FULL 0x2006
754#define VMX_VMCS_CTRL_VMEXIT_MSR_STORE_HIGH 0x2007
755#define VMX_VMCS_CTRL_VMEXIT_MSR_LOAD_FULL 0x2008
756#define VMX_VMCS_CTRL_VMEXIT_MSR_LOAD_HIGH 0x2009
757
758#define VMX_VMCS_CTRL_VMENTRY_MSR_LOAD_FULL 0x200A
759#define VMX_VMCS_CTRL_VMENTRY_MSR_LOAD_HIGH 0x200B
760
761#define VMX_VMCS_CTRL_EXEC_VMCS_PTR_FULL 0x200C
762#define VMX_VMCS_CTRL_EXEC_VMCS_PTR_HIGH 0x200D
763
764#define VMX_VMCS_CTRL_TSC_OFFSET_FULL 0x2010
765#define VMX_VMCS_CTRL_TSC_OFFSET_HIGH 0x2011
766
767/** Optional (VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW) */
768#define VMX_VMCS_CTRL_VAPIC_PAGEADDR_FULL 0x2012
769#define VMX_VMCS_CTRL_VAPIC_PAGEADDR_HIGH 0x2013
770
771/** Optional (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC) */
772#define VMX_VMCS_CTRL_APIC_ACCESSADDR_FULL 0x2014
773#define VMX_VMCS_CTRL_APIC_ACCESSADDR_HIGH 0x2015
774
775/** Extended page table pointer. */
776#define VMX_VMCS_CTRL_EPTP_FULL 0x201a
777#define VMX_VMCS_CTRL_EPTP_HIGH 0x201b
778
779/** VM-exit phyiscal address. */
780#define VMX_VMCS_EXIT_PHYS_ADDR_FULL 0x2400
781#define VMX_VMCS_EXIT_PHYS_ADDR_HIGH 0x2401
782/** @} */
783
784
785/** @name VMCS field encoding - 64 Bits guest fields
786 * @{
787 */
788#define VMX_VMCS_GUEST_LINK_PTR_FULL 0x2800
789#define VMX_VMCS_GUEST_LINK_PTR_HIGH 0x2801
790#define VMX_VMCS_GUEST_DEBUGCTL_FULL 0x2802 /**< MSR IA32_DEBUGCTL */
791#define VMX_VMCS_GUEST_DEBUGCTL_HIGH 0x2803 /**< MSR IA32_DEBUGCTL */
792#define VMX_VMCS_GUEST_PAT_FULL 0x2804
793#define VMX_VMCS_GUEST_PAT_HIGH 0x2805
794#define VMX_VMCS_GUEST_EFER_FULL 0x2806
795#define VMX_VMCS_GUEST_EFER_HIGH 0x2807
796#define VMX_VMCS_GUEST_PERF_GLOBAL_CTRL_FULL 0x2808 /**< MSR IA32_PERF_GLOBAL_CTRL */
797#define VMX_VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH 0x2809 /**< MSR IA32_PERF_GLOBAL_CTRL */
798#define VMX_VMCS_GUEST_PDPTR0_FULL 0x280A
799#define VMX_VMCS_GUEST_PDPTR0_HIGH 0x280B
800#define VMX_VMCS_GUEST_PDPTR1_FULL 0x280C
801#define VMX_VMCS_GUEST_PDPTR1_HIGH 0x280D
802#define VMX_VMCS_GUEST_PDPTR2_FULL 0x280E
803#define VMX_VMCS_GUEST_PDPTR2_HIGH 0x280F
804#define VMX_VMCS_GUEST_PDPTR3_FULL 0x2810
805#define VMX_VMCS_GUEST_PDPTR3_HIGH 0x2811
806/** @} */
807
808
809/** @name VMCS field encoding - 32 Bits control fields
810 * @{
811 */
812#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS 0x4000
813#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS 0x4002
814#define VMX_VMCS_CTRL_EXCEPTION_BITMAP 0x4004
815#define VMX_VMCS_CTRL_PAGEFAULT_ERROR_MASK 0x4006
816#define VMX_VMCS_CTRL_PAGEFAULT_ERROR_MATCH 0x4008
817#define VMX_VMCS_CTRL_CR3_TARGET_COUNT 0x400A
818#define VMX_VMCS_CTRL_EXIT_CONTROLS 0x400C
819#define VMX_VMCS_CTRL_EXIT_MSR_STORE_COUNT 0x400E
820#define VMX_VMCS_CTRL_EXIT_MSR_LOAD_COUNT 0x4010
821#define VMX_VMCS_CTRL_ENTRY_CONTROLS 0x4012
822#define VMX_VMCS_CTRL_ENTRY_MSR_LOAD_COUNT 0x4014
823#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO 0x4016
824#define VMX_VMCS_CTRL_ENTRY_EXCEPTION_ERRCODE 0x4018
825#define VMX_VMCS_CTRL_ENTRY_INSTR_LENGTH 0x401A
826/** This field exists only on processors that support the 1-setting of the “use TPR shadow” VM-execution control. */
827#define VMX_VMCS_CTRL_TPR_THRESHOLD 0x401C
828/** This field exists only on processors that support the 1-setting of the “activate secondary controls” VM-execution control. */
829#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2 0x401E
830/** @} */
831
832
833/** @name VMX_VMCS_CTRL_PIN_EXEC_CONTROLS
834 * @{
835 */
836/** External interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */
837#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT RT_BIT(0)
838/** Non-maskable interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */
839#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT RT_BIT(3)
840/** Virtual NMIs. */
841#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI RT_BIT(5)
842/** Activate VMX preemption timer. */
843#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER RT_BIT(6)
844/* All other bits are reserved and must be set according to MSR IA32_VMX_PROCBASED_CTLS. */
845/** @} */
846
847/** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS
848 * @{
849 */
850/** VM Exit as soon as RFLAGS.IF=1 and no blocking is active. */
851#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT RT_BIT(2)
852/** Use timestamp counter offset. */
853#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET RT_BIT(3)
854/** VM Exit when executing the HLT instruction. */
855#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT RT_BIT(7)
856/** VM Exit when executing the INVLPG instruction. */
857#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT RT_BIT(9)
858/** VM Exit when executing the MWAIT instruction. */
859#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT RT_BIT(10)
860/** VM Exit when executing the RDPMC instruction. */
861#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT RT_BIT(11)
862/** VM Exit when executing the RDTSC instruction. */
863#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT RT_BIT(12)
864/** 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) */
865#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT RT_BIT(15)
866/** 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) */
867#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT RT_BIT(16)
868/** VM Exit on CR8 loads. */
869#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT RT_BIT(19)
870/** VM Exit on CR8 stores. */
871#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT RT_BIT(20)
872/** Use TPR shadow. */
873#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW RT_BIT(21)
874/** VM Exit when virtual nmi blocking is disabled. */
875#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT RT_BIT(22)
876/** VM Exit when executing a MOV DRx instruction. */
877#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT RT_BIT(23)
878/** VM Exit when executing IO instructions. */
879#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT RT_BIT(24)
880/** Use IO bitmaps. */
881#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS RT_BIT(25)
882/** Monitor trap flag. */
883#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG RT_BIT(27)
884/** Use MSR bitmaps. */
885#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS RT_BIT(28)
886/** VM Exit when executing the MONITOR instruction. */
887#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT RT_BIT(29)
888/** VM Exit when executing the PAUSE instruction. */
889#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT RT_BIT(30)
890/** Determines whether the secondary processor based VM-execution controls are used. */
891#define VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL RT_BIT(31)
892/** @} */
893
894/** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2
895 * @{
896 */
897/** Virtualize APIC access. */
898#define VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC RT_BIT(0)
899/** EPT supported/enabled. */
900#define VMX_VMCS_CTRL_PROC_EXEC2_EPT RT_BIT(1)
901/** Descriptor table instructions cause VM-exits. */
902#define VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT RT_BIT(2)
903/** RDTSCP causes a VM-exit. */
904#define VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT RT_BIT(3)
905/** Virtualize x2APIC mode. */
906#define VMX_VMCS_CTRL_PROC_EXEC2_X2APIC RT_BIT(4)
907/** VPID supported/enabled. */
908#define VMX_VMCS_CTRL_PROC_EXEC2_VPID RT_BIT(5)
909/** VM Exit when executing the WBINVD instruction. */
910#define VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT RT_BIT(6)
911/** Unrestricted guest execution. */
912#define VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE RT_BIT(7)
913/** A specified nr of pause loops cause a VM-exit. */
914#define VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT RT_BIT(10)
915/** @} */
916
917
918/** @name VMX_VMCS_CTRL_ENTRY_CONTROLS
919 * @{
920 */
921/** 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) */
922#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG RT_BIT(2)
923/** 64 bits guest mode. Must be 0 for CPUs that don't support AMD64. */
924#define VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE RT_BIT(9)
925/** In SMM mode after VM-entry. */
926#define VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM RT_BIT(10)
927/** Disable dual treatment of SMI and SMM; must be zero for VM-entry outside of SMM. */
928#define VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON RT_BIT(11)
929/** This control determines whether the guest IA32_PERF_GLOBAL_CTRL MSR is loaded on VM entry. */
930#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR RT_BIT(13)
931/** This control determines whether the guest IA32_PAT MSR is loaded on VM entry. */
932#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR RT_BIT(14)
933/** This control determines whether the guest IA32_EFER MSR is loaded on VM entry. */
934#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR RT_BIT(15)
935/** @} */
936
937
938/** @name VMX_VMCS_CTRL_EXIT_CONTROLS
939 * @{
940 */
941/** 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) */
942#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG RT_BIT(2)
943/** Return to long mode after a VM-exit. */
944#define VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 RT_BIT(9)
945/** This control determines whether the IA32_PERF_GLOBAL_CTRL MSR is loaded on VM exit. */
946#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_PERF_MSR RT_BIT(12)
947/** Acknowledge external interrupts with the irq controller if one caused a VM-exit. */
948#define VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ RT_BIT(15)
949/** This control determines whether the guest IA32_PAT MSR is saved on VM exit. */
950#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR RT_BIT(18)
951/** This control determines whether the host IA32_PAT MSR is loaded on VM exit. */
952#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR RT_BIT(19)
953/** This control determines whether the guest IA32_EFER MSR is saved on VM exit. */
954#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR RT_BIT(20)
955/** This control determines whether the host IA32_EFER MSR is loaded on VM exit. */
956#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR RT_BIT(21)
957/** This control determines whether the value of the VMX preemption timer is saved on VM exit. */
958#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER RT_BIT(22)
959/** @} */
960
961/** @name VMCS field encoding - 32 Bits read-only fields
962 * @{
963 */
964#define VMX_VMCS32_RO_VM_INSTR_ERROR 0x4400
965#define VMX_VMCS32_RO_EXIT_REASON 0x4402
966#define VMX_VMCS32_RO_EXIT_INTERRUPTION_INFO 0x4404
967#define VMX_VMCS32_RO_EXIT_INTERRUPTION_ERRCODE 0x4406
968#define VMX_VMCS32_RO_IDT_INFO 0x4408
969#define VMX_VMCS32_RO_IDT_ERRCODE 0x440A
970#define VMX_VMCS32_RO_EXIT_INSTR_LENGTH 0x440C
971#define VMX_VMCS32_RO_EXIT_INSTR_INFO 0x440E
972/** @} */
973
974/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO
975 * @{
976 */
977#define VMX_EXIT_INTERRUPTION_INFO_VECTOR(a) (a & 0xff)
978#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT 8
979#define VMX_EXIT_INTERRUPTION_INFO_TYPE(a) ((a >> VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT) & 7)
980#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID RT_BIT(11)
981#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_IS_VALID(a) (a & VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID)
982#define VMX_EXIT_INTERRUPTION_INFO_NMI_UNBLOCK(a) (a & RT_BIT(12))
983#define VMX_EXIT_INTERRUPTION_INFO_VALID_SHIFT 31
984#define VMX_EXIT_INTERRUPTION_INFO_VALID(a) (a & RT_BIT(31))
985/** Construct an irq event injection value from the exit interruption info value (same except that bit 12 is reserved). */
986#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO_FROM_EXIT_INT_INFO(a) (a & ~RT_BIT(12))
987/** @} */
988
989/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO_TYPE
990 * @{
991 */
992#define VMX_EXIT_INTERRUPTION_INFO_TYPE_EXT 0
993#define VMX_EXIT_INTERRUPTION_INFO_TYPE_NMI 2
994#define VMX_EXIT_INTERRUPTION_INFO_TYPE_HWEXCPT 3
995#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SW 4 /**< int xx */
996#define VMX_EXIT_INTERRUPTION_INFO_TYPE_DBEXCPT 5 /**< Why are we getting this one?? */
997#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SWEXCPT 6
998/** @} */
999
1000
1001/** @name VMCS field encoding - 32 Bits guest state fields
1002 * @{
1003 */
1004#define VMX_VMCS32_GUEST_ES_LIMIT 0x4800
1005#define VMX_VMCS32_GUEST_CS_LIMIT 0x4802
1006#define VMX_VMCS32_GUEST_SS_LIMIT 0x4804
1007#define VMX_VMCS32_GUEST_DS_LIMIT 0x4806
1008#define VMX_VMCS32_GUEST_FS_LIMIT 0x4808
1009#define VMX_VMCS32_GUEST_GS_LIMIT 0x480A
1010#define VMX_VMCS32_GUEST_LDTR_LIMIT 0x480C
1011#define VMX_VMCS32_GUEST_TR_LIMIT 0x480E
1012#define VMX_VMCS32_GUEST_GDTR_LIMIT 0x4810
1013#define VMX_VMCS32_GUEST_IDTR_LIMIT 0x4812
1014#define VMX_VMCS32_GUEST_ES_ACCESS_RIGHTS 0x4814
1015#define VMX_VMCS32_GUEST_CS_ACCESS_RIGHTS 0x4816
1016#define VMX_VMCS32_GUEST_SS_ACCESS_RIGHTS 0x4818
1017#define VMX_VMCS32_GUEST_DS_ACCESS_RIGHTS 0x481A
1018#define VMX_VMCS32_GUEST_FS_ACCESS_RIGHTS 0x481C
1019#define VMX_VMCS32_GUEST_GS_ACCESS_RIGHTS 0x481E
1020#define VMX_VMCS32_GUEST_LDTR_ACCESS_RIGHTS 0x4820
1021#define VMX_VMCS32_GUEST_TR_ACCESS_RIGHTS 0x4822
1022#define VMX_VMCS32_GUEST_INTERRUPTIBILITY_STATE 0x4824
1023#define VMX_VMCS32_GUEST_ACTIVITY_STATE 0x4826
1024#define VMX_VMCS32_GUEST_SYSENTER_CS 0x482A /**< MSR IA32_SYSENTER_CS */
1025#define VMX_VMCS32_GUEST_PREEMPTION_TIMER_VALUE 0x482E
1026/** @} */
1027
1028
1029/** @name VMX_VMCS_GUEST_ACTIVITY_STATE
1030 * @{
1031 */
1032/** The logical processor is active. */
1033#define VMX_CMS_GUEST_ACTIVITY_ACTIVE 0x0
1034/** The logical processor is inactive, because executed a HLT instruction. */
1035#define VMX_CMS_GUEST_ACTIVITY_HLT 0x1
1036/** The logical processor is inactive, because of a triple fault or other serious error. */
1037#define VMX_CMS_GUEST_ACTIVITY_SHUTDOWN 0x2
1038/** The logical processor is inactive, because it's waiting for a startup-IPI */
1039#define VMX_CMS_GUEST_ACTIVITY_SIPI_WAIT 0x3
1040/** @} */
1041
1042
1043/** @name VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE
1044 * @{
1045 */
1046#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_STI RT_BIT(0)
1047#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_MOVSS RT_BIT(1)
1048#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_SMI RT_BIT(2)
1049#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_NMI RT_BIT(3)
1050/** @} */
1051
1052
1053/** @name VMCS field encoding - 32 Bits host state fields
1054 * @{
1055 */
1056#define VMX_VMCS32_HOST_SYSENTER_CS 0x4C00
1057/** @} */
1058
1059/** @name Natural width control fields
1060 * @{
1061 */
1062#define VMX_VMCS_CTRL_CR0_MASK 0x6000
1063#define VMX_VMCS_CTRL_CR4_MASK 0x6002
1064#define VMX_VMCS_CTRL_CR0_READ_SHADOW 0x6004
1065#define VMX_VMCS_CTRL_CR4_READ_SHADOW 0x6006
1066#define VMX_VMCS_CTRL_CR3_TARGET_VAL0 0x6008
1067#define VMX_VMCS_CTRL_CR3_TARGET_VAL1 0x600A
1068#define VMX_VMCS_CTRL_CR3_TARGET_VAL2 0x600C
1069#define VMX_VMCS_CTRL_CR3_TARGET_VAL31 0x600E
1070/** @} */
1071
1072
1073/** @name Natural width read-only data fields
1074 * @{
1075 */
1076#define VMX_VMCS_RO_EXIT_QUALIFICATION 0x6400
1077#define VMX_VMCS_RO_IO_RCX 0x6402
1078#define VMX_VMCS_RO_IO_RSX 0x6404
1079#define VMX_VMCS_RO_IO_RDI 0x6406
1080#define VMX_VMCS_RO_IO_RIP 0x6408
1081#define VMX_VMCS_EXIT_GUEST_LINEAR_ADDR 0x640A
1082/** @} */
1083
1084
1085/** @name VMX_VMCS_RO_EXIT_QUALIFICATION
1086 * @{
1087 */
1088/** 0-2: Debug register number */
1089#define VMX_EXIT_QUALIFICATION_DRX_REGISTER(a) (a & 7)
1090/** 3: Reserved; cleared to 0. */
1091#define VMX_EXIT_QUALIFICATION_DRX_RES1(a) ((a >> 3) & 1)
1092/** 4: Direction of move (0 = write, 1 = read) */
1093#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION(a) ((a >> 4) & 1)
1094/** 5-7: Reserved; cleared to 0. */
1095#define VMX_EXIT_QUALIFICATION_DRX_RES2(a) ((a >> 5) & 7)
1096/** 8-11: General purpose register number. */
1097#define VMX_EXIT_QUALIFICATION_DRX_GENREG(a) ((a >> 8) & 0xF)
1098/** Rest: reserved. */
1099/** @} */
1100
1101/** @name VMX_EXIT_QUALIFICATION_DRX_DIRECTION values
1102 * @{
1103 */
1104#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_WRITE 0
1105#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_READ 1
1106/** @} */
1107
1108
1109
1110/** @name CRx accesses
1111 * @{
1112 */
1113/** 0-3: Control register number (0 for CLTS & LMSW) */
1114#define VMX_EXIT_QUALIFICATION_CRX_REGISTER(a) (a & 0xF)
1115/** 4-5: Access type. */
1116#define VMX_EXIT_QUALIFICATION_CRX_ACCESS(a) ((a >> 4) & 3)
1117/** 6: LMSW operand type */
1118#define VMX_EXIT_QUALIFICATION_CRX_LMSW_OP(a) ((a >> 6) & 1)
1119/** 7: Reserved; cleared to 0. */
1120#define VMX_EXIT_QUALIFICATION_CRX_RES1(a) ((a >> 7) & 1)
1121/** 8-11: General purpose register number (0 for CLTS & LMSW). */
1122#define VMX_EXIT_QUALIFICATION_CRX_GENREG(a) ((a >> 8) & 0xF)
1123/** 12-15: Reserved; cleared to 0. */
1124#define VMX_EXIT_QUALIFICATION_CRX_RES2(a) ((a >> 12) & 0xF)
1125/** 16-31: LMSW source data (else 0). */
1126#define VMX_EXIT_QUALIFICATION_CRX_LMSW_DATA(a) ((a >> 16) & 0xFFFF)
1127/** Rest: reserved. */
1128/** @} */
1129
1130/** @name VMX_EXIT_QUALIFICATION_CRX_ACCESS
1131 * @{
1132 */
1133#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_WRITE 0
1134#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_READ 1
1135#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_CLTS 2
1136#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_LMSW 3
1137/** @} */
1138
1139/** @name VMX_EXIT_QUALIFICATION_TASK_SWITCH
1140 * @{
1141 */
1142#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_SELECTOR(a) (a & 0xffff)
1143#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE(a) ((a >> 30)& 0x3)
1144/** Task switch caused by a call instruction. */
1145#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_CALL 0
1146/** Task switch caused by an iret instruction. */
1147#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_IRET 1
1148/** Task switch caused by a jmp instruction. */
1149#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_JMP 2
1150/** Task switch caused by an interrupt gate. */
1151#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_IDT 3
1152
1153/** @} */
1154
1155
1156/** @name VMX_EXIT_EPT_VIOLATION
1157 * @{
1158 */
1159/** Set if the violation was caused by a data read. */
1160#define VMX_EXIT_QUALIFICATION_EPT_DATA_READ RT_BIT(0)
1161/** Set if the violation was caused by a data write. */
1162#define VMX_EXIT_QUALIFICATION_EPT_DATA_WRITE RT_BIT(1)
1163/** Set if the violation was caused by an insruction fetch. */
1164#define VMX_EXIT_QUALIFICATION_EPT_INSTR_FETCH RT_BIT(2)
1165/** AND of the present bit of all EPT structures. */
1166#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_PRESENT RT_BIT(3)
1167/** AND of the write bit of all EPT structures. */
1168#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_WRITE RT_BIT(4)
1169/** AND of the execute bit of all EPT structures. */
1170#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_EXECUTE RT_BIT(5)
1171/** Set if the guest linear address field contains the faulting address. */
1172#define VMX_EXIT_QUALIFICATION_EPT_GUEST_ADDR_VALID RT_BIT(7)
1173/** If bit 7 is one: (reserved otherwise)
1174 * 1 - violation due to physical address access.
1175 * 0 - violation caused by page walk or access/dirty bit updates
1176 */
1177#define VMX_EXIT_QUALIFICATION_EPT_TRANSLATED_ACCESS RT_BIT(8)
1178/** @} */
1179
1180
1181/** @name VMX_EXIT_PORT_IO
1182 * @{
1183 */
1184/** 0-2: IO operation width. */
1185#define VMX_EXIT_QUALIFICATION_IO_WIDTH(a) (a & 7)
1186/** 3: IO operation direction. */
1187#define VMX_EXIT_QUALIFICATION_IO_DIRECTION(a) ((a >> 3) & 1)
1188/** 4: String IO operation. */
1189#define VMX_EXIT_QUALIFICATION_IO_STRING(a) ((a >> 4) & 1)
1190/** 5: Repeated IO operation. */
1191#define VMX_EXIT_QUALIFICATION_IO_REP(a) ((a >> 5) & 1)
1192/** 6: Operand encoding. */
1193#define VMX_EXIT_QUALIFICATION_IO_ENCODING(a) ((a >> 6) & 1)
1194/** 16-31: IO Port (0-0xffff). */
1195#define VMX_EXIT_QUALIFICATION_IO_PORT(a) ((a >> 16) & 0xffff)
1196/* Rest reserved. */
1197/** @} */
1198
1199/** @name VMX_EXIT_QUALIFICATION_IO_DIRECTION
1200 * @{
1201 */
1202#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_OUT 0
1203#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_IN 1
1204/** @} */
1205
1206
1207/** @name VMX_EXIT_QUALIFICATION_IO_ENCODING
1208 * @{
1209 */
1210#define VMX_EXIT_QUALIFICATION_IO_ENCODING_DX 0
1211#define VMX_EXIT_QUALIFICATION_IO_ENCODING_IMM 1
1212/** @} */
1213
1214/** @name VMX_EXIT_APIC_ACCESS
1215 * @{
1216 */
1217/** 0-11: If the APIC-access VM exit is due to a linear access, the offset of access within the APIC page. */
1218#define VMX_EXIT_QUALIFICATION_APIC_ACCESS_OFFSET(a) (a & 0xfff)
1219/** 12-15: Access type. */
1220#define VMX_EXIT_QUALIFICATION_APIC_ACCESS_TYPE(a) ((a >> 12) & 0xf)
1221/* Rest reserved. */
1222/** @} */
1223
1224
1225/** @name VMX_EXIT_QUALIFICATION_APIC_ACCESS_TYPE; access types
1226 * @{
1227 */
1228/** Linear read access. */
1229#define VMX_APIC_ACCESS_TYPE_LINEAR_READ 0
1230/** Linear write access. */
1231#define VMX_APIC_ACCESS_TYPE_LINEAR_WRITE 1
1232/** Linear instruction fetch access. */
1233#define VMX_APIC_ACCESS_TYPE_LINEAR_INSTR_FETCH 2
1234/** Linear read/write access during event delivery. */
1235#define VMX_APIC_ACCESS_TYPE_LINEAR_EVENT_DELIVERY 3
1236/** Physical read/write access during event delivery. */
1237#define VMX_APIC_ACCESS_TYPE_PHYSICAL_EVENT_DELIVERY 10
1238/** Physical access for an instruction fetch or during instruction execution. */
1239#define VMX_APIC_ACCESS_TYPE_PHYSICAL_INSTR 15
1240/** @} */
1241
1242/** @} */
1243
1244/** @name VMCS field encoding - Natural width guest state fields
1245 * @{
1246 */
1247#define VMX_VMCS64_GUEST_CR0 0x6800
1248#define VMX_VMCS64_GUEST_CR3 0x6802
1249#define VMX_VMCS64_GUEST_CR4 0x6804
1250#define VMX_VMCS64_GUEST_ES_BASE 0x6806
1251#define VMX_VMCS64_GUEST_CS_BASE 0x6808
1252#define VMX_VMCS64_GUEST_SS_BASE 0x680A
1253#define VMX_VMCS64_GUEST_DS_BASE 0x680C
1254#define VMX_VMCS64_GUEST_FS_BASE 0x680E
1255#define VMX_VMCS64_GUEST_GS_BASE 0x6810
1256#define VMX_VMCS64_GUEST_LDTR_BASE 0x6812
1257#define VMX_VMCS64_GUEST_TR_BASE 0x6814
1258#define VMX_VMCS64_GUEST_GDTR_BASE 0x6816
1259#define VMX_VMCS64_GUEST_IDTR_BASE 0x6818
1260#define VMX_VMCS64_GUEST_DR7 0x681A
1261#define VMX_VMCS64_GUEST_RSP 0x681C
1262#define VMX_VMCS64_GUEST_RIP 0x681E
1263#define VMX_VMCS_GUEST_RFLAGS 0x6820
1264#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS 0x6822
1265#define VMX_VMCS64_GUEST_SYSENTER_ESP 0x6824 /**< MSR IA32_SYSENTER_ESP */
1266#define VMX_VMCS64_GUEST_SYSENTER_EIP 0x6826 /**< MSR IA32_SYSENTER_EIP */
1267/** @} */
1268
1269
1270/** @name VMX_VMCS_GUEST_DEBUG_EXCEPTIONS
1271 * @{
1272 */
1273/** Hardware breakpoint 0 was met. */
1274#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B0 RT_BIT(0)
1275/** Hardware breakpoint 1 was met. */
1276#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B1 RT_BIT(1)
1277/** Hardware breakpoint 2 was met. */
1278#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B2 RT_BIT(2)
1279/** Hardware breakpoint 3 was met. */
1280#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B3 RT_BIT(3)
1281/** At least one data or IO breakpoint was hit. */
1282#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BREAKPOINT_ENABLED RT_BIT(12)
1283/** A debug exception would have been triggered by single-step execution mode. */
1284#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BS RT_BIT(14)
1285/** Bits 4-11, 13 and 15-63 are reserved. */
1286
1287/** @} */
1288
1289/** @name VMCS field encoding - Natural width host state fields
1290 * @{
1291 */
1292#define VMX_VMCS_HOST_CR0 0x6C00
1293#define VMX_VMCS_HOST_CR3 0x6C02
1294#define VMX_VMCS_HOST_CR4 0x6C04
1295#define VMX_VMCS_HOST_FS_BASE 0x6C06
1296#define VMX_VMCS_HOST_GS_BASE 0x6C08
1297#define VMX_VMCS_HOST_TR_BASE 0x6C0A
1298#define VMX_VMCS_HOST_GDTR_BASE 0x6C0C
1299#define VMX_VMCS_HOST_IDTR_BASE 0x6C0E
1300#define VMX_VMCS_HOST_SYSENTER_ESP 0x6C10
1301#define VMX_VMCS_HOST_SYSENTER_EIP 0x6C12
1302#define VMX_VMCS_HOST_RSP 0x6C14
1303#define VMX_VMCS_HOST_RIP 0x6C16
1304/** @} */
1305
1306/** @} */
1307
1308
1309#if RT_INLINE_ASM_GNU_STYLE
1310# define __STR(x) #x
1311# define STR(x) __STR(x)
1312#endif
1313
1314
1315/** @defgroup grp_vmx_asm vmx assembly helpers
1316 * @ingroup grp_vmx
1317 * @{
1318 */
1319
1320/**
1321 * Executes VMXON
1322 *
1323 * @returns VBox status code
1324 * @param pVMXOn Physical address of VMXON structure
1325 */
1326#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1327DECLASM(int) VMXEnable(RTHCPHYS pVMXOn);
1328#else
1329DECLINLINE(int) VMXEnable(RTHCPHYS pVMXOn)
1330{
1331 int rc = VINF_SUCCESS;
1332# if RT_INLINE_ASM_GNU_STYLE
1333 __asm__ __volatile__ (
1334 "push %3 \n\t"
1335 "push %2 \n\t"
1336 ".byte 0xF3, 0x0F, 0xC7, 0x34, 0x24 # VMXON [esp] \n\t"
1337 "ja 2f \n\t"
1338 "je 1f \n\t"
1339 "movl $"STR(VERR_VMX_INVALID_VMXON_PTR)", %0 \n\t"
1340 "jmp 2f \n\t"
1341 "1: \n\t"
1342 "movl $"STR(VERR_VMX_GENERIC)", %0 \n\t"
1343 "2: \n\t"
1344 "add $8, %%esp \n\t"
1345 :"=rm"(rc)
1346 :"0"(VINF_SUCCESS),
1347 "ir"((uint32_t)pVMXOn), /* don't allow direct memory reference here, */
1348 "ir"((uint32_t)(pVMXOn >> 32)) /* this would not work with -fomit-frame-pointer */
1349 :"memory"
1350 );
1351# else
1352 __asm
1353 {
1354 push dword ptr [pVMXOn+4]
1355 push dword ptr [pVMXOn]
1356 _emit 0xF3
1357 _emit 0x0F
1358 _emit 0xC7
1359 _emit 0x34
1360 _emit 0x24 /* VMXON [esp] */
1361 jnc vmxon_good
1362 mov dword ptr [rc], VERR_VMX_INVALID_VMXON_PTR
1363 jmp the_end
1364
1365vmxon_good:
1366 jnz the_end
1367 mov dword ptr [rc], VERR_VMX_GENERIC
1368the_end:
1369 add esp, 8
1370 }
1371# endif
1372 return rc;
1373}
1374#endif
1375
1376
1377/**
1378 * Executes VMXOFF
1379 */
1380#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1381DECLASM(void) VMXDisable(void);
1382#else
1383DECLINLINE(void) VMXDisable(void)
1384{
1385# if RT_INLINE_ASM_GNU_STYLE
1386 __asm__ __volatile__ (
1387 ".byte 0x0F, 0x01, 0xC4 # VMXOFF \n\t"
1388 );
1389# else
1390 __asm
1391 {
1392 _emit 0x0F
1393 _emit 0x01
1394 _emit 0xC4 /* VMXOFF */
1395 }
1396# endif
1397}
1398#endif
1399
1400
1401/**
1402 * Executes VMCLEAR
1403 *
1404 * @returns VBox status code
1405 * @param pVMCS Physical address of VM control structure
1406 */
1407#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1408DECLASM(int) VMXClearVMCS(RTHCPHYS pVMCS);
1409#else
1410DECLINLINE(int) VMXClearVMCS(RTHCPHYS pVMCS)
1411{
1412 int rc = VINF_SUCCESS;
1413# if RT_INLINE_ASM_GNU_STYLE
1414 __asm__ __volatile__ (
1415 "push %3 \n\t"
1416 "push %2 \n\t"
1417 ".byte 0x66, 0x0F, 0xC7, 0x34, 0x24 # VMCLEAR [esp] \n\t"
1418 "jnc 1f \n\t"
1419 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1420 "1: \n\t"
1421 "add $8, %%esp \n\t"
1422 :"=rm"(rc)
1423 :"0"(VINF_SUCCESS),
1424 "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1425 "ir"((uint32_t)(pVMCS >> 32)) /* this would not work with -fomit-frame-pointer */
1426 :"memory"
1427 );
1428# else
1429 __asm
1430 {
1431 push dword ptr [pVMCS+4]
1432 push dword ptr [pVMCS]
1433 _emit 0x66
1434 _emit 0x0F
1435 _emit 0xC7
1436 _emit 0x34
1437 _emit 0x24 /* VMCLEAR [esp] */
1438 jnc success
1439 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1440success:
1441 add esp, 8
1442 }
1443# endif
1444 return rc;
1445}
1446#endif
1447
1448
1449/**
1450 * Executes VMPTRLD
1451 *
1452 * @returns VBox status code
1453 * @param pVMCS Physical address of VMCS structure
1454 */
1455#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1456DECLASM(int) VMXActivateVMCS(RTHCPHYS pVMCS);
1457#else
1458DECLINLINE(int) VMXActivateVMCS(RTHCPHYS pVMCS)
1459{
1460 int rc = VINF_SUCCESS;
1461# if RT_INLINE_ASM_GNU_STYLE
1462 __asm__ __volatile__ (
1463 "push %3 \n\t"
1464 "push %2 \n\t"
1465 ".byte 0x0F, 0xC7, 0x34, 0x24 # VMPTRLD [esp] \n\t"
1466 "jnc 1f \n\t"
1467 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1468 "1: \n\t"
1469 "add $8, %%esp \n\t"
1470 :"=rm"(rc)
1471 :"0"(VINF_SUCCESS),
1472 "ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1473 "ir"((uint32_t)(pVMCS >> 32)) /* this will not work with -fomit-frame-pointer */
1474 );
1475# else
1476 __asm
1477 {
1478 push dword ptr [pVMCS+4]
1479 push dword ptr [pVMCS]
1480 _emit 0x0F
1481 _emit 0xC7
1482 _emit 0x34
1483 _emit 0x24 /* VMPTRLD [esp] */
1484 jnc success
1485 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1486
1487success:
1488 add esp, 8
1489 }
1490# endif
1491 return rc;
1492}
1493#endif
1494
1495/**
1496 * Executes VMPTRST
1497 *
1498 * @returns VBox status code
1499 * @param pVMCS Address that will receive the current pointer
1500 */
1501DECLASM(int) VMXGetActivateVMCS(RTHCPHYS *pVMCS);
1502
1503/**
1504 * Executes VMWRITE
1505 *
1506 * @returns VBox status code
1507 * @param idxField VMCS index
1508 * @param u32Val 32 bits value
1509 */
1510#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1511DECLASM(int) VMXWriteVMCS32(uint32_t idxField, uint32_t u32Val);
1512#else
1513DECLINLINE(int) VMXWriteVMCS32(uint32_t idxField, uint32_t u32Val)
1514{
1515 int rc = VINF_SUCCESS;
1516# if RT_INLINE_ASM_GNU_STYLE
1517 __asm__ __volatile__ (
1518 ".byte 0x0F, 0x79, 0xC2 # VMWRITE eax, edx \n\t"
1519 "ja 2f \n\t"
1520 "je 1f \n\t"
1521 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1522 "jmp 2f \n\t"
1523 "1: \n\t"
1524 "movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
1525 "2: \n\t"
1526 :"=rm"(rc)
1527 :"0"(VINF_SUCCESS),
1528 "a"(idxField),
1529 "d"(u32Val)
1530 );
1531# else
1532 __asm
1533 {
1534 push dword ptr [u32Val]
1535 mov eax, [idxField]
1536 _emit 0x0F
1537 _emit 0x79
1538 _emit 0x04
1539 _emit 0x24 /* VMWRITE eax, [esp] */
1540 jnc valid_vmcs
1541 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1542 jmp the_end
1543
1544valid_vmcs:
1545 jnz the_end
1546 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
1547the_end:
1548 add esp, 4
1549 }
1550# endif
1551 return rc;
1552}
1553#endif
1554
1555/**
1556 * Executes VMWRITE
1557 *
1558 * @returns VBox status code
1559 * @param idxField VMCS index
1560 * @param u64Val 16, 32 or 64 bits value
1561 */
1562#if HC_ARCH_BITS == 64 || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1563DECLASM(int) VMXWriteVMCS64(uint32_t idxField, uint64_t u64Val);
1564#else
1565VMMR0DECL(int) VMXWriteVMCS64Ex(PVMCPU pVCpu, uint32_t idxField, uint64_t u64Val);
1566
1567#define VMXWriteVMCS64(idxField, u64Val) VMXWriteVMCS64Ex(pVCpu, idxField, u64Val)
1568#endif
1569
1570#if HC_ARCH_BITS == 64
1571#define VMXWriteVMCS VMXWriteVMCS64
1572#else
1573#define VMXWriteVMCS VMXWriteVMCS32
1574#endif /* HC_ARCH_BITS == 64 */
1575
1576
1577/**
1578 * Invalidate a page using invept
1579 * @returns VBox status code
1580 * @param enmFlush Type of flush
1581 * @param pDescriptor Descriptor
1582 */
1583DECLASM(int) VMXR0InvEPT(VMX_FLUSH_EPT enmFlush, uint64_t *pDescriptor);
1584
1585/**
1586 * Invalidate a page using invvpid
1587 * @returns VBox status code
1588 * @param enmFlush Type of flush
1589 * @param pDescriptor Descriptor
1590 */
1591DECLASM(int) VMXR0InvVPID(VMX_FLUSH_VPID enmFlush, uint64_t *pDescriptor);
1592
1593/**
1594 * Executes VMREAD
1595 *
1596 * @returns VBox status code
1597 * @param idxField VMCS index
1598 * @param pData Ptr to store VM field value
1599 */
1600#if RT_INLINE_ASM_EXTERNAL || HC_ARCH_BITS == 64 || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1601DECLASM(int) VMXReadVMCS32(uint32_t idxField, uint32_t *pData);
1602#else
1603DECLINLINE(int) VMXReadVMCS32(uint32_t idxField, uint32_t *pData)
1604{
1605 int rc = VINF_SUCCESS;
1606# if RT_INLINE_ASM_GNU_STYLE
1607 __asm__ __volatile__ (
1608 "movl $"STR(VINF_SUCCESS)", %0 \n\t"
1609 ".byte 0x0F, 0x78, 0xc2 # VMREAD eax, edx \n\t"
1610 "ja 2f \n\t"
1611 "je 1f \n\t"
1612 "movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1613 "jmp 2f \n\t"
1614 "1: \n\t"
1615 "movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
1616 "2: \n\t"
1617 :"=&r"(rc),
1618 "=d"(*pData)
1619 :"a"(idxField),
1620 "d"(0)
1621 );
1622# else
1623 __asm
1624 {
1625 sub esp, 4
1626 mov dword ptr [esp], 0
1627 mov eax, [idxField]
1628 _emit 0x0F
1629 _emit 0x78
1630 _emit 0x04
1631 _emit 0x24 /* VMREAD eax, [esp] */
1632 mov edx, pData
1633 pop dword ptr [edx]
1634 jnc valid_vmcs
1635 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1636 jmp the_end
1637
1638valid_vmcs:
1639 jnz the_end
1640 mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
1641the_end:
1642 }
1643# endif
1644 return rc;
1645}
1646#endif
1647
1648/**
1649 * Executes VMREAD
1650 *
1651 * @returns VBox status code
1652 * @param idxField VMCS index
1653 * @param pData Ptr to store VM field value
1654 */
1655#if HC_ARCH_BITS == 64 || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1656DECLASM(int) VMXReadVMCS64(uint32_t idxField, uint64_t *pData);
1657#else
1658DECLINLINE(int) VMXReadVMCS64(uint32_t idxField, uint64_t *pData)
1659{
1660 int rc;
1661
1662 uint32_t val_hi, val;
1663 rc = VMXReadVMCS32(idxField, &val);
1664 rc |= VMXReadVMCS32(idxField + 1, &val_hi);
1665 AssertRC(rc);
1666 *pData = RT_MAKE_U64(val, val_hi);
1667 return rc;
1668}
1669#endif
1670
1671#if HC_ARCH_BITS == 64
1672# define VMXReadVMCS VMXReadVMCS64
1673#else
1674# define VMXReadVMCS VMXReadVMCS32
1675#endif /* HC_ARCH_BITS == 64 */
1676
1677/**
1678 * Gets the last instruction error value from the current VMCS
1679 *
1680 * @returns error value
1681 */
1682DECLINLINE(uint32_t) VMXGetLastError(void)
1683{
1684#if HC_ARCH_BITS == 64
1685 uint64_t uLastError = 0;
1686 int rc = VMXReadVMCS(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError);
1687 AssertRC(rc);
1688 return (uint32_t)uLastError;
1689
1690#else /* 32-bit host: */
1691 uint32_t uLastError = 0;
1692 int rc = VMXReadVMCS32(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError);
1693 AssertRC(rc);
1694 return uLastError;
1695#endif
1696}
1697
1698#ifdef IN_RING0
1699VMMR0DECL(int) VMXR0InvalidatePage(PVM pVM, PVMCPU pVCpu, RTGCPTR GCVirt);
1700VMMR0DECL(int) VMXR0InvalidatePhysPage(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys);
1701#endif /* IN_RING0 */
1702
1703/** @} */
1704
1705#endif
1706
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