hwacc_vmx.h@ 23746

Last change on this file since 23746 was 23699, checked in by vboxsync, 15 years ago
Added SUP_IOCTL_VT_CAPS to get VT-x/AMD-V caps that can only be checked in kernel mode.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 63.0 KB

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1	/** @file
2	* HWACCM - VMX Structures and Definitions. (VMM)
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)
59	typedef 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()
77	AssertCompileSize(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)
90	typedef 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. */
103	typedef EPTPML4E *PEPTPML4E;
104	/** Pointer to a const PML4 table entry. */
105	typedef const EPTPML4E *PCEPTPML4E;
106	AssertCompileSize(EPTPML4E, 8);
107
108	/**
109	* EPT PML4 Table.
110	*/
111	#pragma pack(1)
112	typedef struct EPTPML4
113	{
114	EPTPML4E a[EPT_PG_ENTRIES];
115	} EPTPML4;
116	#pragma pack()
117	/** Pointer to an EPT PML4 Table. */
118	typedef EPTPML4 *PEPTPML4;
119	/** Pointer to a const EPT PML4 Table. */
120	typedef const EPTPML4 *PCEPTPML4;
121
122	/**
123	* EPT Page Directory Pointer Entry. Bit view.
124	*/
125	#pragma pack(1)
126	typedef 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()
144	AssertCompileSize(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)
157	typedef 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. */
170	typedef EPTPDPTE *PEPTPDPTE;
171	/** Pointer to a const EPT Page Directory Pointer Entry. */
172	typedef const EPTPDPTE *PCEPTPDPTE;
173	AssertCompileSize(EPTPDPTE, 8);
174
175	/**
176	* EPT Page Directory Pointer Table.
177	*/
178	#pragma pack(1)
179	typedef struct EPTPDPT
180	{
181	EPTPDPTE a[EPT_PG_ENTRIES];
182	} EPTPDPT;
183	#pragma pack()
184	/** Pointer to an EPT Page Directory Pointer Table. */
185	typedef EPTPDPT *PEPTPDPT;
186	/** Pointer to a const EPT Page Directory Pointer Table. */
187	typedef const EPTPDPT *PCEPTPDPT;
188
189
190	/**
191	* EPT Page Directory Table Entry. Bit view.
192	*/
193	#pragma pack(1)
194	typedef 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()
214	AssertCompileSize(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)
227	typedef 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()
251	AssertCompileSize(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)
260	typedef 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. */
275	typedef EPTPDE *PEPTPDE;
276	/** Pointer to a const EPT Page Directory Table Entry. */
277	typedef const EPTPDE *PCEPTPDE;
278	AssertCompileSize(EPTPDE, 8);
279
280	/**
281	* EPT Page Directory Table.
282	*/
283	#pragma pack(1)
284	typedef struct EPTPD
285	{
286	EPTPDE a[EPT_PG_ENTRIES];
287	} EPTPD;
288	#pragma pack()
289	/** Pointer to an EPT Page Directory Table. */
290	typedef EPTPD *PEPTPD;
291	/** Pointer to a const EPT Page Directory Table. */
292	typedef const EPTPD *PCEPTPD;
293
294
295	/**
296	* EPT Page Table Entry. Bit view.
297	*/
298	#pragma pack(1)
299	typedef 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()
319	AssertCompileSize(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)
332	typedef 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. */
345	typedef EPTPTE *PEPTPTE;
346	/** Pointer to a const EPT Page Directory Table Entry. */
347	typedef const EPTPTE *PCEPTPTE;
348	AssertCompileSize(EPTPTE, 8);
349
350	/**
351	* EPT Page Table.
352	*/
353	#pragma pack(1)
354	typedef struct EPTPT
355	{
356	EPTPTE a[EPT_PG_ENTRIES];
357	} EPTPT;
358	#pragma pack()
359	/** Pointer to an extended page table. */
360	typedef EPTPT *PEPTPT;
361	/** Pointer to a const extended table. */
362	typedef const EPTPT *PCEPTPT;
363
364	/**
365	* VPID and EPT flush types
366	*/
367	typedef 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	/** @name MSR load/store elements
383	* @{
384	*/
385	#pragma pack(1)
386	typedef struct
387	{
388	uint32_t u32IndexMSR;
389	uint32_t u32Reserved;
390	uint64_t u64Value;
391	} VMXMSR;
392	#pragma pack()
393	/** Pointer to an MSR load/store element. */
394	typedef VMXMSR *PVMXMSR;
395	/** Pointer to a const MSR load/store element. */
396	typedef const VMXMSR *PCVMXMSR;
397
398	/** @} */
399
400
401	/** @name VT-x capability qword
402	* @{
403	*/
404	#pragma pack(1)
405	typedef union
406	{
407	struct
408	{
409	uint32_t disallowed0;
410	uint32_t allowed1;
411	} n;
412	uint64_t u;
413	} VMX_CAPABILITY;
414	#pragma pack()
415	/** @} */
416
417	/** @name VMX Basic Exit Reasons.
418	* @{
419	*/
420	/** And-mask for setting reserved bits to zero */
421	#define VMX_EFLAGS_RESERVED_0 (~0xffc08028)
422	/** Or-mask for setting reserved bits to 1 */
423	#define VMX_EFLAGS_RESERVED_1 0x00000002
424	/** @} */
425
426	/** @name VMX Basic Exit Reasons.
427	* @{
428	*/
429	/** -1 Invalid exit code */
430	#define VMX_EXIT_INVALID -1
431	/** 0 Exception or non-maskable interrupt (NMI). */
432	#define VMX_EXIT_EXCEPTION 0
433	/** 1 External interrupt. */
434	#define VMX_EXIT_EXTERNAL_IRQ 1
435	/** 2 Triple fault. */
436	#define VMX_EXIT_TRIPLE_FAULT 2
437	/** 3 INIT signal. */
438	#define VMX_EXIT_INIT_SIGNAL 3
439	/** 4 Start-up IPI (SIPI). */
440	#define VMX_EXIT_SIPI 4
441	/** 5 I/O system-management interrupt (SMI). */
442	#define VMX_EXIT_IO_SMI_IRQ 5
443	/** 6 Other SMI. */
444	#define VMX_EXIT_SMI_IRQ 6
445	/** 7 Interrupt window. */
446	#define VMX_EXIT_IRQ_WINDOW 7
447	/** 9 Task switch. */
448	#define VMX_EXIT_TASK_SWITCH 9
449	/** 10 Guest software attempted to execute CPUID. */
450	#define VMX_EXIT_CPUID 10
451	/** 12 Guest software attempted to execute HLT. */
452	#define VMX_EXIT_HLT 12
453	/** 13 Guest software attempted to execute INVD. */
454	#define VMX_EXIT_INVD 13
455	/** 14 Guest software attempted to execute INVPG. */
456	#define VMX_EXIT_INVPG 14
457	/** 15 Guest software attempted to execute RDPMC. */
458	#define VMX_EXIT_RDPMC 15
459	/** 16 Guest software attempted to execute RDTSC. */
460	#define VMX_EXIT_RDTSC 16
461	/** 17 Guest software attempted to execute RSM in SMM. */
462	#define VMX_EXIT_RSM 17
463	/** 18 Guest software executed VMCALL. */
464	#define VMX_EXIT_VMCALL 18
465	/** 19 Guest software executed VMCLEAR. */
466	#define VMX_EXIT_VMCLEAR 19
467	/** 20 Guest software executed VMLAUNCH. */
468	#define VMX_EXIT_VMLAUNCH 20
469	/** 21 Guest software executed VMPTRLD. */
470	#define VMX_EXIT_VMPTRLD 21
471	/** 22 Guest software executed VMPTRST. */
472	#define VMX_EXIT_VMPTRST 22
473	/** 23 Guest software executed VMREAD. */
474	#define VMX_EXIT_VMREAD 23
475	/** 24 Guest software executed VMRESUME. */
476	#define VMX_EXIT_VMRESUME 24
477	/** 25 Guest software executed VMWRITE. */
478	#define VMX_EXIT_VMWRITE 25
479	/** 26 Guest software executed VMXOFF. */
480	#define VMX_EXIT_VMXOFF 26
481	/** 27 Guest software executed VMXON. */
482	#define VMX_EXIT_VMXON 27
483	/** 28 Control-register accesses. */
484	#define VMX_EXIT_CRX_MOVE 28
485	/** 29 Debug-register accesses. */
486	#define VMX_EXIT_DRX_MOVE 29
487	/** 30 I/O instruction. */
488	#define VMX_EXIT_PORT_IO 30
489	/** 31 RDMSR. Guest software attempted to execute RDMSR. */
490	#define VMX_EXIT_RDMSR 31
491	/** 32 WRMSR. Guest software attempted to execute WRMSR. */
492	#define VMX_EXIT_WRMSR 32
493	/** 33 VM-entry failure due to invalid guest state. */
494	#define VMX_EXIT_ERR_INVALID_GUEST_STATE 33
495	/** 34 VM-entry failure due to MSR loading. */
496	#define VMX_EXIT_ERR_MSR_LOAD 34
497	/** 36 Guest software executed MWAIT. */
498	#define VMX_EXIT_MWAIT 36
499	/** 39 Guest software attempted to execute MONITOR. */
500	#define VMX_EXIT_MONITOR 39
501	/** 40 Guest software attempted to execute PAUSE. */
502	#define VMX_EXIT_PAUSE 40
503	/** 41 VM-entry failure due to machine-check. */
504	#define VMX_EXIT_ERR_MACHINE_CHECK 41
505	/** 43 TPR below threshold. Guest software executed MOV to CR8. */
506	#define VMX_EXIT_TPR 43
507	/** 44 APIC access. Guest software attempted to access memory at a physical address on the APIC-access page. */
508	#define VMX_EXIT_APIC_ACCESS 44
509	/** 46 Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT. */
510	#define VMX_EXIT_XDTR_ACCESS 46
511	/** 47 Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR. */
512	#define VMX_EXIT_TR_ACCESS 47
513	/** 48 EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures. */
514	#define VMX_EXIT_EPT_VIOLATION 48
515	/** 49 EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry. */
516	#define VMX_EXIT_EPT_MISCONFIG 49
517	/** 50 INVEPT. Guest software attempted to execute INVEPT. */
518	#define VMX_EXIT_INVEPT 50
519	/** 52 VMX-preemption timer expired. The preemption timer counted down to zero. */
520	#define VMX_EXIT_PREEMPTION_TIMER 52
521	/** 53 INVVPID. Guest software attempted to execute INVVPID. */
522	#define VMX_EXIT_INVVPID 53
523	/** 54 WBINVD. Guest software attempted to execute WBINVD. */
524	#define VMX_EXIT_WBINVD 54
525	/** 55 XSETBV. Guest software attempted to execute XSETBV. */
526	#define VMX_EXIT_XSETBV 55
527	/** @} */
528
529
530	/** @name VM Instruction Errors
531	* @{
532	*/
533	/** 1 VMCALL executed in VMX root operation. */
534	#define VMX_ERROR_VMCALL 1
535	/** 2 VMCLEAR with invalid physical address. */
536	#define VMX_ERROR_VMCLEAR_INVALID_PHYS_ADDR 2
537	/** 3 VMCLEAR with VMXON pointer. */
538	#define VMX_ERROR_VMCLEAR_INVALID_VMXON_PTR 3
539	/** 4 VMLAUNCH with non-clear VMCS. */
540	#define VMX_ERROR_VMLAUCH_NON_CLEAR_VMCS 4
541	/** 5 VMRESUME with non-launched VMCS. */
542	#define VMX_ERROR_VMRESUME_NON_LAUNCHED_VMCS 5
543	/** 6 VMRESUME with a corrupted VMCS (indicates corruption of the current VMCS). */
544	#define VMX_ERROR_VMRESUME_CORRUPTED_VMCS 6
545	/** 7 VM entry with invalid control field(s). */
546	#define VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS 7
547	/** 8 VM entry with invalid host-state field(s). */
548	#define VMX_ERROR_VMENTRY_INVALID_HOST_STATE 8
549	/** 9 VMPTRLD with invalid physical address. */
550	#define VMX_ERROR_VMPTRLD_INVALID_PHYS_ADDR 9
551	/** 10 VMPTRLD with VMXON pointer. */
552	#define VMX_ERROR_VMPTRLD_VMXON_PTR 10
553	/** 11 VMPTRLD with incorrect VMCS revision identifier. */
554	#define VMX_ERROR_VMPTRLD_WRONG_VMCS_REVISION 11
555	/** 12 VMREAD/VMWRITE from/to unsupported VMCS component. */
556	#define VMX_ERROR_VMREAD_INVALID_COMPONENT 12
557	#define VMX_ERROR_VMWRITE_INVALID_COMPONENT VMX_ERROR_VMREAD_INVALID_COMPONENT
558	/** 13 VMWRITE to read-only VMCS component. */
559	#define VMX_ERROR_VMWRITE_READONLY_COMPONENT 13
560	/** 15 VMXON executed in VMX root operation. */
561	#define VMX_ERROR_VMXON_IN_VMX_ROOT_OP 15
562	/** 16 VM entry with invalid executive-VMCS pointer. */
563	#define VMX_ERROR_VMENTRY_INVALID_VMCS_EXEC_PTR 16
564	/** 17 VM entry with non-launched executive VMCS. */
565	#define VMX_ERROR_VMENTRY_NON_LAUNCHED_EXEC_VMCS 17
566	/** 18 VM entry with executive-VMCS pointer not VMXON pointer. */
567	#define VMX_ERROR_VMENTRY_EXEC_VMCS_PTR 18
568	/** 19 VMCALL with non-clear VMCS. */
569	#define VMX_ERROR_VMCALL_NON_CLEAR_VMCS 19
570	/** 20 VMCALL with invalid VM-exit control fields. */
571	#define VMX_ERROR_VMCALL_INVALID_VMEXIT_FIELDS 20
572	/** 22 VMCALL with incorrect MSEG revision identifier. */
573	#define VMX_ERROR_VMCALL_INVALID_MSEG_REVISION 22
574	/** 23 VMXOFF under dual-monitor treatment of SMIs and SMM. */
575	#define VMX_ERROR_VMXOFF_DUAL_MONITOR 23
576	/** 24 VMCALL with invalid SMM-monitor features. */
577	#define VMX_ERROR_VMCALL_INVALID_SMM_MONITOR 24
578	/** 25 VM entry with invalid VM-execution control fields in executive VMCS. */
579	#define VMX_ERROR_VMENTRY_INVALID_VM_EXEC_CTRL 25
580	/** 26 VM entry with events blocked by MOV SS. */
581	#define VMX_ERROR_VMENTRY_MOV_SS 26
582	/** 26 Invalid operand to INVEPT/INVVPID. */
583	#define VMX_ERROR_INVEPTVPID_INVALID_OPERAND 28
584
585	/** @} */
586
587
588	/** @name VMX MSRs - Basic VMX information.
589	* @{
590	*/
591	/** VMCS revision identifier used by the processor. */
592	#define MSR_IA32_VMX_BASIC_INFO_VMCS_ID(a) (a & 0x7FFFFFFF)
593	/** Size of the VMCS. */
594	#define MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(a) ((a >> 32ULL) & 0xFFF)
595	/** Width of physical address used for the VMCS.
596	* 0 -> limited to the available amount of physical ram
597	* 1 -> within the first 4 GB
598	*/
599	#define MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(a) ((a >> 48ULL) & 1)
600	/** Whether the processor supports the dual-monitor treatment of system-management interrupts and system-management code. (always 1) */
601	#define MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(a) ((a >> 49ULL) & 1)
602	/** Memory type that must be used for the VMCS. */
603	#define MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(a) ((a >> 50ULL) & 0xF)
604	/** @} */
605
606
607	/** @name VMX MSRs - Misc VMX info.
608	* @{
609	*/
610	/** Relationship between the preemption timer and tsc; count down every time bit x of the tsc changes. */
611	#define MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(a) (a & 0x1f)
612	/** Activity states supported by the implementation. */
613	#define MSR_IA32_VMX_MISC_ACTIVITY_STATES(a) ((a >> 6ULL) & 0x7)
614	/** Number of CR3 target values supported by the processor. (0-256) */
615	#define MSR_IA32_VMX_MISC_CR3_TARGET(a) ((a >> 16ULL) & 0x1FF)
616	/** Maximum nr of MSRs in the VMCS. (N+1)512. /
617	#define MSR_IA32_VMX_MISC_MAX_MSR(a) ((((a >> 25ULL) & 0x7) + 1) * 512)
618	/** MSEG revision identifier used by the processor. */
619	#define MSR_IA32_VMX_MISC_MSEG_ID(a) (a >> 32ULL)
620	/** @} */
621
622
623	/** @name VMX MSRs - VMCS enumeration field info
624	* @{
625	*/
626	/** Highest field index. */
627	#define MSR_IA32_VMX_VMCS_ENUM_HIGHEST_INDEX(a) ((a >> 1ULL) & 0x1FF)
628
629	/** @} */
630
631
632	/** @name MSR_IA32_VMX_EPT_CAPS; EPT capabilities MSR
633	* @{
634	*/
635	#define MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY RT_BIT_64(0)
636	#define MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY RT_BIT_64(1)
637	#define MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY RT_BIT_64(2)
638	#define MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS RT_BIT_64(3)
639	#define MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS RT_BIT_64(4)
640	#define MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS RT_BIT_64(5)
641	#define MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS RT_BIT_64(6)
642	#define MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS RT_BIT_64(7)
643	#define MSR_IA32_VMX_EPT_CAPS_EMT_UC RT_BIT_64(8)
644	#define MSR_IA32_VMX_EPT_CAPS_EMT_WC RT_BIT_64(9)
645	#define MSR_IA32_VMX_EPT_CAPS_EMT_WT RT_BIT_64(12)
646	#define MSR_IA32_VMX_EPT_CAPS_EMT_WP RT_BIT_64(13)
647	#define MSR_IA32_VMX_EPT_CAPS_EMT_WB RT_BIT_64(14)
648	#define MSR_IA32_VMX_EPT_CAPS_SP_21_BITS RT_BIT_64(16)
649	#define MSR_IA32_VMX_EPT_CAPS_SP_30_BITS RT_BIT_64(17)
650	#define MSR_IA32_VMX_EPT_CAPS_SP_39_BITS RT_BIT_64(18)
651	#define MSR_IA32_VMX_EPT_CAPS_SP_48_BITS RT_BIT_64(19)
652	#define MSR_IA32_VMX_EPT_CAPS_INVEPT RT_BIT_64(20)
653	#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV RT_BIT_64(24)
654	#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT RT_BIT_64(25)
655	#define MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL RT_BIT_64(26)
656	#define MSR_IA32_VMX_EPT_CAPS_INVVPID RT_BIT_64(32)
657	#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV RT_BIT_64(40)
658	#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT RT_BIT_64(41)
659	#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL RT_BIT_64(42)
660	#define MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL RT_BIT_64(43)
661
662	/** @} */
663
664	/** @name Extended Page Table Pointer (EPTP)
665	* @{
666	*/
667	/** Uncachable EPT paging structure memory type. */
668	#define VMX_EPT_MEMTYPE_UC 0
669	/** Write-back EPT paging structure memory type. */
670	#define VMX_EPT_MEMTYPE_WB 6
671	/** Shift value to get the EPT page walk length (bits 5-3) */
672	#define VMX_EPT_PAGE_WALK_LENGTH_SHIFT 3
673	/** Mask value to get the EPT page walk length (bits 5-3) */
674	#define VMX_EPT_PAGE_WALK_LENGTH_MASK 7
675	/** Default EPT page walk length */
676	#define VMX_EPT_PAGE_WALK_LENGTH_DEFAULT 3
677	/** @} */
678
679
680	/** @name VMCS field encoding - 16 bits guest fields
681	* @{
682	*/
683	#define VMX_VMCS16_GUEST_FIELD_VPID 0x0
684	#define VMX_VMCS16_GUEST_FIELD_ES 0x800
685	#define VMX_VMCS16_GUEST_FIELD_CS 0x802
686	#define VMX_VMCS16_GUEST_FIELD_SS 0x804
687	#define VMX_VMCS16_GUEST_FIELD_DS 0x806
688	#define VMX_VMCS16_GUEST_FIELD_FS 0x808
689	#define VMX_VMCS16_GUEST_FIELD_GS 0x80A
690	#define VMX_VMCS16_GUEST_FIELD_LDTR 0x80C
691	#define VMX_VMCS16_GUEST_FIELD_TR 0x80E
692	/** @} */
693
694	/** @name VMCS field encoding - 16 bits host fields
695	* @{
696	*/
697	#define VMX_VMCS16_HOST_FIELD_ES 0xC00
698	#define VMX_VMCS16_HOST_FIELD_CS 0xC02
699	#define VMX_VMCS16_HOST_FIELD_SS 0xC04
700	#define VMX_VMCS16_HOST_FIELD_DS 0xC06
701	#define VMX_VMCS16_HOST_FIELD_FS 0xC08
702	#define VMX_VMCS16_HOST_FIELD_GS 0xC0A
703	#define VMX_VMCS16_HOST_FIELD_TR 0xC0C
704	/** @} */
705
706	/** @name VMCS field encoding - 64 bits host fields
707	* @{
708	*/
709	#define VMX_VMCS_HOST_FIELD_PAT_FULL 0x2C00
710	#define VMX_VMCS_HOST_FIELD_PAT_HIGH 0x2C01
711	#define VMX_VMCS_HOST_FIELD_EFER_FULL 0x2C02
712	#define VMX_VMCS_HOST_FIELD_EFER_HIGH 0x2C03
713	#define VMX_VMCS_HOST_PERF_GLOBAL_CTRL_FULL 0x2C04 /*< MSR IA32_PERF_GLOBAL_CTRL /
714	#define VMX_VMCS_HOST_PERF_GLOBAL_CTRL_HIGH 0x2C05 /*< MSR IA32_PERF_GLOBAL_CTRL /
715	/** @} */
716
717
718	/** @name VMCS field encoding - 64 Bits control fields
719	* @{
720	*/
721	#define VMX_VMCS_CTRL_IO_BITMAP_A_FULL 0x2000
722	#define VMX_VMCS_CTRL_IO_BITMAP_A_HIGH 0x2001
723	#define VMX_VMCS_CTRL_IO_BITMAP_B_FULL 0x2002
724	#define VMX_VMCS_CTRL_IO_BITMAP_B_HIGH 0x2003
725
726	/* Optional */
727	#define VMX_VMCS_CTRL_MSR_BITMAP_FULL 0x2004
728	#define VMX_VMCS_CTRL_MSR_BITMAP_HIGH 0x2005
729
730	#define VMX_VMCS_CTRL_VMEXIT_MSR_STORE_FULL 0x2006
731	#define VMX_VMCS_CTRL_VMEXIT_MSR_STORE_HIGH 0x2007
732	#define VMX_VMCS_CTRL_VMEXIT_MSR_LOAD_FULL 0x2008
733	#define VMX_VMCS_CTRL_VMEXIT_MSR_LOAD_HIGH 0x2009
734
735	#define VMX_VMCS_CTRL_VMENTRY_MSR_LOAD_FULL 0x200A
736	#define VMX_VMCS_CTRL_VMENTRY_MSR_LOAD_HIGH 0x200B
737
738	#define VMX_VMCS_CTRL_EXEC_VMCS_PTR_FULL 0x200C
739	#define VMX_VMCS_CTRL_EXEC_VMCS_PTR_HIGH 0x200D
740
741	#define VMX_VMCS_CTRL_TSC_OFFSET_FULL 0x2010
742	#define VMX_VMCS_CTRL_TSC_OFFSET_HIGH 0x2011
743
744	/** Optional (VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW) */
745	#define VMX_VMCS_CTRL_VAPIC_PAGEADDR_FULL 0x2012
746	#define VMX_VMCS_CTRL_VAPIC_PAGEADDR_HIGH 0x2013
747
748	/** Optional (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC) */
749	#define VMX_VMCS_CTRL_APIC_ACCESSADDR_FULL 0x2014
750	#define VMX_VMCS_CTRL_APIC_ACCESSADDR_HIGH 0x2015
751
752	/** Extended page table pointer. */
753	#define VMX_VMCS_CTRL_EPTP_FULL 0x201a
754	#define VMX_VMCS_CTRL_EPTP_HIGH 0x201b
755
756	/** VM-exit phyiscal address. */
757	#define VMX_VMCS_EXIT_PHYS_ADDR_FULL 0x2400
758	#define VMX_VMCS_EXIT_PHYS_ADDR_HIGH 0x2401
759	/** @} */
760
761
762	/** @name VMCS field encoding - 64 Bits guest fields
763	* @{
764	*/
765	#define VMX_VMCS_GUEST_LINK_PTR_FULL 0x2800
766	#define VMX_VMCS_GUEST_LINK_PTR_HIGH 0x2801
767	#define VMX_VMCS_GUEST_DEBUGCTL_FULL 0x2802 /*< MSR IA32_DEBUGCTL /
768	#define VMX_VMCS_GUEST_DEBUGCTL_HIGH 0x2803 /*< MSR IA32_DEBUGCTL /
769	#define VMX_VMCS_GUEST_PAT_FULL 0x2804
770	#define VMX_VMCS_GUEST_PAT_HIGH 0x2805
771	#define VMX_VMCS_GUEST_EFER_FULL 0x2806
772	#define VMX_VMCS_GUEST_EFER_HIGH 0x2807
773	#define VMX_VMCS_GUEST_PERF_GLOBAL_CTRL_FULL 0x2808 /*< MSR IA32_PERF_GLOBAL_CTRL /
774	#define VMX_VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH 0x2809 /*< MSR IA32_PERF_GLOBAL_CTRL /
775	#define VMX_VMCS_GUEST_PDPTR0_FULL 0x280A
776	#define VMX_VMCS_GUEST_PDPTR0_HIGH 0x280B
777	#define VMX_VMCS_GUEST_PDPTR1_FULL 0x280C
778	#define VMX_VMCS_GUEST_PDPTR1_HIGH 0x280D
779	#define VMX_VMCS_GUEST_PDPTR2_FULL 0x280E
780	#define VMX_VMCS_GUEST_PDPTR2_HIGH 0x280F
781	#define VMX_VMCS_GUEST_PDPTR3_FULL 0x2810
782	#define VMX_VMCS_GUEST_PDPTR3_HIGH 0x2811
783	/** @} */
784
785
786	/** @name VMCS field encoding - 32 Bits control fields
787	* @{
788	*/
789	#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS 0x4000
790	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS 0x4002
791	#define VMX_VMCS_CTRL_EXCEPTION_BITMAP 0x4004
792	#define VMX_VMCS_CTRL_PAGEFAULT_ERROR_MASK 0x4006
793	#define VMX_VMCS_CTRL_PAGEFAULT_ERROR_MATCH 0x4008
794	#define VMX_VMCS_CTRL_CR3_TARGET_COUNT 0x400A
795	#define VMX_VMCS_CTRL_EXIT_CONTROLS 0x400C
796	#define VMX_VMCS_CTRL_EXIT_MSR_STORE_COUNT 0x400E
797	#define VMX_VMCS_CTRL_EXIT_MSR_LOAD_COUNT 0x4010
798	#define VMX_VMCS_CTRL_ENTRY_CONTROLS 0x4012
799	#define VMX_VMCS_CTRL_ENTRY_MSR_LOAD_COUNT 0x4014
800	#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO 0x4016
801	#define VMX_VMCS_CTRL_ENTRY_EXCEPTION_ERRCODE 0x4018
802	#define VMX_VMCS_CTRL_ENTRY_INSTR_LENGTH 0x401A
803	/** This field exists only on processors that support the 1-setting of the use TPR shadow VM-execution control. */
804	#define VMX_VMCS_CTRL_TPR_THRESHOLD 0x401C
805	/** This field exists only on processors that support the 1-setting of the activate secondary controls VM-execution control. */
806	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2 0x401E
807	/** @} */
808
809
810	/** @name VMX_VMCS_CTRL_PIN_EXEC_CONTROLS
811	* @{
812	*/
813	/** External interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */
814	#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT RT_BIT(0)
815	/** Non-maskable interrupts cause VM exits if set; otherwise dispatched through the guest's IDT. */
816	#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT RT_BIT(3)
817	/** Virtual NMIs. */
818	#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI RT_BIT(5)
819	/** Activate VMX preemption timer. */
820	#define VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER RT_BIT(6)
821	/* All other bits are reserved and must be set according to MSR IA32_VMX_PROCBASED_CTLS. */
822	/** @} */
823
824	/** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS
825	* @{
826	*/
827	/** VM Exit as soon as RFLAGS.IF=1 and no blocking is active. */
828	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT RT_BIT(2)
829	/** Use timestamp counter offset. */
830	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET RT_BIT(3)
831	/** VM Exit when executing the HLT instruction. */
832	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT RT_BIT(7)
833	/** VM Exit when executing the INVLPG instruction. */
834	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT RT_BIT(9)
835	/** VM Exit when executing the MWAIT instruction. */
836	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT RT_BIT(10)
837	/** VM Exit when executing the RDPMC instruction. */
838	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT RT_BIT(11)
839	/** VM Exit when executing the RDTSC instruction. */
840	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT RT_BIT(12)
841	/** 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) */
842	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT RT_BIT(15)
843	/** 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) */
844	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT RT_BIT(16)
845	/** VM Exit on CR8 loads. */
846	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT RT_BIT(19)
847	/** VM Exit on CR8 stores. */
848	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT RT_BIT(20)
849	/** Use TPR shadow. */
850	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW RT_BIT(21)
851	/** VM Exit when virtual nmi blocking is disabled. */
852	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT RT_BIT(22)
853	/** VM Exit when executing a MOV DRx instruction. */
854	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT RT_BIT(23)
855	/** VM Exit when executing IO instructions. */
856	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT RT_BIT(24)
857	/** Use IO bitmaps. */
858	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS RT_BIT(25)
859	/** Monitor trap flag. */
860	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG RT_BIT(27)
861	/** Use MSR bitmaps. */
862	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS RT_BIT(28)
863	/** VM Exit when executing the MONITOR instruction. */
864	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT RT_BIT(29)
865	/** VM Exit when executing the PAUSE instruction. */
866	#define VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT RT_BIT(30)
867	/** Determines whether the secondary processor based VM-execution controls are used. */
868	#define VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL RT_BIT(31)
869	/** @} */
870
871	/** @name VMX_VMCS_CTRL_PROC_EXEC_CONTROLS2
872	* @{
873	*/
874	/** Virtualize APIC access. */
875	#define VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC RT_BIT(0)
876	/** EPT supported/enabled. */
877	#define VMX_VMCS_CTRL_PROC_EXEC2_EPT RT_BIT(1)
878	/** Descriptor table instructions cause VM-exits. */
879	#define VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT RT_BIT(2)
880	/** Virtualize x2APIC mode. */
881	#define VMX_VMCS_CTRL_PROC_EXEC2_X2APIC RT_BIT(4)
882	/** VPID supported/enabled. */
883	#define VMX_VMCS_CTRL_PROC_EXEC2_VPID RT_BIT(5)
884	/** VM Exit when executing the WBINVD instruction. */
885	#define VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT RT_BIT(6)
886	/** @} */
887
888
889	/** @name VMX_VMCS_CTRL_ENTRY_CONTROLS
890	* @{
891	*/
892	/** 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) */
893	#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG RT_BIT(2)
894	/** 64 bits guest mode. Must be 0 for CPUs that don't support AMD64. */
895	#define VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE RT_BIT(9)
896	/** In SMM mode after VM-entry. */
897	#define VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM RT_BIT(10)
898	/** Disable dual treatment of SMI and SMM; must be zero for VM-entry outside of SMM. */
899	#define VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON RT_BIT(11)
900	/** This control determines whether the guest IA32_PERF_GLOBAL_CTRL MSR is loaded on VM entry. */
901	#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR RT_BIT(13)
902	/** This control determines whether the guest IA32_PAT MSR is loaded on VM entry. */
903	#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR RT_BIT(14)
904	/** This control determines whether the guest IA32_EFER MSR is loaded on VM entry. */
905	#define VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR RT_BIT(15)
906	/** @} */
907
908
909	/** @name VMX_VMCS_CTRL_EXIT_CONTROLS
910	* @{
911	*/
912	/** 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) */
913	#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG RT_BIT(2)
914	/** Return to long mode after a VM-exit. */
915	#define VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 RT_BIT(9)
916	/** This control determines whether the IA32_PERF_GLOBAL_CTRL MSR is loaded on VM exit. */
917	#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_PERF_MSR RT_BIT(12)
918	/** Acknowledge external interrupts with the irq controller if one caused a VM-exit. */
919	#define VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ RT_BIT(15)
920	/** This control determines whether the guest IA32_PAT MSR is saved on VM exit. */
921	#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR RT_BIT(18)
922	/** This control determines whether the host IA32_PAT MSR is loaded on VM exit. */
923	#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR RT_BIT(19)
924	/** This control determines whether the guest IA32_EFER MSR is saved on VM exit. */
925	#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR RT_BIT(20)
926	/** This control determines whether the host IA32_EFER MSR is loaded on VM exit. */
927	#define VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR RT_BIT(21)
928	/** This control determines whether the value of the VMX preemption timer is saved on VM exit. */
929	#define VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER RT_BIT(22)
930	/** @} */
931
932	/** @name VMCS field encoding - 32 Bits read-only fields
933	* @{
934	*/
935	#define VMX_VMCS32_RO_VM_INSTR_ERROR 0x4400
936	#define VMX_VMCS32_RO_EXIT_REASON 0x4402
937	#define VMX_VMCS32_RO_EXIT_INTERRUPTION_INFO 0x4404
938	#define VMX_VMCS32_RO_EXIT_INTERRUPTION_ERRCODE 0x4406
939	#define VMX_VMCS32_RO_IDT_INFO 0x4408
940	#define VMX_VMCS32_RO_IDT_ERRCODE 0x440A
941	#define VMX_VMCS32_RO_EXIT_INSTR_LENGTH 0x440C
942	#define VMX_VMCS32_RO_EXIT_INSTR_INFO 0x440E
943	/** @} */
944
945	/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO
946	* @{
947	*/
948	#define VMX_EXIT_INTERRUPTION_INFO_VECTOR(a) (a & 0xff)
949	#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT 8
950	#define VMX_EXIT_INTERRUPTION_INFO_TYPE(a) ((a >> VMX_EXIT_INTERRUPTION_INFO_TYPE_SHIFT) & 7)
951	#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID RT_BIT(11)
952	#define VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_IS_VALID(a) (a & VMX_EXIT_INTERRUPTION_INFO_ERROR_CODE_VALID)
953	#define VMX_EXIT_INTERRUPTION_INFO_NMI_UNBLOCK(a) (a & RT_BIT(12))
954	#define VMX_EXIT_INTERRUPTION_INFO_VALID_SHIFT 31
955	#define VMX_EXIT_INTERRUPTION_INFO_VALID(a) (a & RT_BIT(31))
956	/** Construct an irq event injection value from the exit interruption info value (same except that bit 12 is reserved). */
957	#define VMX_VMCS_CTRL_ENTRY_IRQ_INFO_FROM_EXIT_INT_INFO(a) (a & ~RT_BIT(12))
958	/** @} */
959
960	/** @name VMX_VMCS_RO_EXIT_INTERRUPTION_INFO_TYPE
961	* @{
962	*/
963	#define VMX_EXIT_INTERRUPTION_INFO_TYPE_EXT 0
964	#define VMX_EXIT_INTERRUPTION_INFO_TYPE_NMI 2
965	#define VMX_EXIT_INTERRUPTION_INFO_TYPE_HWEXCPT 3
966	#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SW 4 /*< int xx /
967	#define VMX_EXIT_INTERRUPTION_INFO_TYPE_DBEXCPT 5 /*< Why are we getting this one?? /
968	#define VMX_EXIT_INTERRUPTION_INFO_TYPE_SWEXCPT 6
969	/** @} */
970
971
972	/** @name VMCS field encoding - 32 Bits guest state fields
973	* @{
974	*/
975	#define VMX_VMCS32_GUEST_ES_LIMIT 0x4800
976	#define VMX_VMCS32_GUEST_CS_LIMIT 0x4802
977	#define VMX_VMCS32_GUEST_SS_LIMIT 0x4804
978	#define VMX_VMCS32_GUEST_DS_LIMIT 0x4806
979	#define VMX_VMCS32_GUEST_FS_LIMIT 0x4808
980	#define VMX_VMCS32_GUEST_GS_LIMIT 0x480A
981	#define VMX_VMCS32_GUEST_LDTR_LIMIT 0x480C
982	#define VMX_VMCS32_GUEST_TR_LIMIT 0x480E
983	#define VMX_VMCS32_GUEST_GDTR_LIMIT 0x4810
984	#define VMX_VMCS32_GUEST_IDTR_LIMIT 0x4812
985	#define VMX_VMCS32_GUEST_ES_ACCESS_RIGHTS 0x4814
986	#define VMX_VMCS32_GUEST_CS_ACCESS_RIGHTS 0x4816
987	#define VMX_VMCS32_GUEST_SS_ACCESS_RIGHTS 0x4818
988	#define VMX_VMCS32_GUEST_DS_ACCESS_RIGHTS 0x481A
989	#define VMX_VMCS32_GUEST_FS_ACCESS_RIGHTS 0x481C
990	#define VMX_VMCS32_GUEST_GS_ACCESS_RIGHTS 0x481E
991	#define VMX_VMCS32_GUEST_LDTR_ACCESS_RIGHTS 0x4820
992	#define VMX_VMCS32_GUEST_TR_ACCESS_RIGHTS 0x4822
993	#define VMX_VMCS32_GUEST_INTERRUPTIBILITY_STATE 0x4824
994	#define VMX_VMCS32_GUEST_ACTIVITY_STATE 0x4826
995	#define VMX_VMCS32_GUEST_SYSENTER_CS 0x482A /*< MSR IA32_SYSENTER_CS /
996	#define VMX_VMCS32_GUEST_PREEMPTION_TIMER_VALUE 0x482E
997	/** @} */
998
999
1000	/** @name VMX_VMCS_GUEST_ACTIVITY_STATE
1001	* @{
1002	*/
1003	/** The logical processor is active. */
1004	#define VMX_CMS_GUEST_ACTIVITY_ACTIVE 0x0
1005	/** The logical processor is inactive, because executed a HLT instruction. */
1006	#define VMX_CMS_GUEST_ACTIVITY_HLT 0x1
1007	/** The logical processor is inactive, because of a triple fault or other serious error. */
1008	#define VMX_CMS_GUEST_ACTIVITY_SHUTDOWN 0x2
1009	/** The logical processor is inactive, because it's waiting for a startup-IPI */
1010	#define VMX_CMS_GUEST_ACTIVITY_SIPI_WAIT 0x3
1011	/** @} */
1012
1013
1014	/** @name VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE
1015	* @{
1016	*/
1017	#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_STI RT_BIT(0)
1018	#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_MOVSS RT_BIT(1)
1019	#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_SMI RT_BIT(2)
1020	#define VMX_VMCS_GUEST_INTERRUPTIBILITY_STATE_BLOCK_NMI RT_BIT(3)
1021	/** @} */
1022
1023
1024	/** @name VMCS field encoding - 32 Bits host state fields
1025	* @{
1026	*/
1027	#define VMX_VMCS32_HOST_SYSENTER_CS 0x4C00
1028	/** @} */
1029
1030	/** @name Natural width control fields
1031	* @{
1032	*/
1033	#define VMX_VMCS_CTRL_CR0_MASK 0x6000
1034	#define VMX_VMCS_CTRL_CR4_MASK 0x6002
1035	#define VMX_VMCS_CTRL_CR0_READ_SHADOW 0x6004
1036	#define VMX_VMCS_CTRL_CR4_READ_SHADOW 0x6006
1037	#define VMX_VMCS_CTRL_CR3_TARGET_VAL0 0x6008
1038	#define VMX_VMCS_CTRL_CR3_TARGET_VAL1 0x600A
1039	#define VMX_VMCS_CTRL_CR3_TARGET_VAL2 0x600C
1040	#define VMX_VMCS_CTRL_CR3_TARGET_VAL31 0x600E
1041	/** @} */
1042
1043
1044	/** @name Natural width read-only data fields
1045	* @{
1046	*/
1047	#define VMX_VMCS_RO_EXIT_QUALIFICATION 0x6400
1048	#define VMX_VMCS_RO_IO_RCX 0x6402
1049	#define VMX_VMCS_RO_IO_RSX 0x6404
1050	#define VMX_VMCS_RO_IO_RDI 0x6406
1051	#define VMX_VMCS_RO_IO_RIP 0x6408
1052	#define VMX_VMCS_EXIT_GUEST_LINEAR_ADDR 0x640A
1053	/** @} */
1054
1055
1056	/** @name VMX_VMCS_RO_EXIT_QUALIFICATION
1057	* @{
1058	*/
1059	/** 0-2: Debug register number */
1060	#define VMX_EXIT_QUALIFICATION_DRX_REGISTER(a) (a & 7)
1061	/** 3: Reserved; cleared to 0. */
1062	#define VMX_EXIT_QUALIFICATION_DRX_RES1(a) ((a >> 3) & 1)
1063	/** 4: Direction of move (0 = write, 1 = read) */
1064	#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION(a) ((a >> 4) & 1)
1065	/** 5-7: Reserved; cleared to 0. */
1066	#define VMX_EXIT_QUALIFICATION_DRX_RES2(a) ((a >> 5) & 7)
1067	/** 8-11: General purpose register number. */
1068	#define VMX_EXIT_QUALIFICATION_DRX_GENREG(a) ((a >> 8) & 0xF)
1069	/** Rest: reserved. */
1070	/** @} */
1071
1072	/** @name VMX_EXIT_QUALIFICATION_DRX_DIRECTION values
1073	* @{
1074	*/
1075	#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_WRITE 0
1076	#define VMX_EXIT_QUALIFICATION_DRX_DIRECTION_READ 1
1077	/** @} */
1078
1079
1080
1081	/** @name CRx accesses
1082	* @{
1083	*/
1084	/** 0-3: Control register number (0 for CLTS & LMSW) */
1085	#define VMX_EXIT_QUALIFICATION_CRX_REGISTER(a) (a & 0xF)
1086	/** 4-5: Access type. */
1087	#define VMX_EXIT_QUALIFICATION_CRX_ACCESS(a) ((a >> 4) & 3)
1088	/** 6: LMSW operand type */
1089	#define VMX_EXIT_QUALIFICATION_CRX_LMSW_OP(a) ((a >> 6) & 1)
1090	/** 7: Reserved; cleared to 0. */
1091	#define VMX_EXIT_QUALIFICATION_CRX_RES1(a) ((a >> 7) & 1)
1092	/** 8-11: General purpose register number (0 for CLTS & LMSW). */
1093	#define VMX_EXIT_QUALIFICATION_CRX_GENREG(a) ((a >> 8) & 0xF)
1094	/** 12-15: Reserved; cleared to 0. */
1095	#define VMX_EXIT_QUALIFICATION_CRX_RES2(a) ((a >> 12) & 0xF)
1096	/** 16-31: LMSW source data (else 0). */
1097	#define VMX_EXIT_QUALIFICATION_CRX_LMSW_DATA(a) ((a >> 16) & 0xFFFF)
1098	/** Rest: reserved. */
1099	/** @} */
1100
1101	/** @name VMX_EXIT_QUALIFICATION_CRX_ACCESS
1102	* @{
1103	*/
1104	#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_WRITE 0
1105	#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_READ 1
1106	#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_CLTS 2
1107	#define VMX_EXIT_QUALIFICATION_CRX_ACCESS_LMSW 3
1108	/** @} */
1109
1110	/** @name VMX_EXIT_QUALIFICATION_TASK_SWITCH
1111	* @{
1112	*/
1113	#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_SELECTOR(a) (a & 0xffff)
1114	#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE(a) ((a >> 30)& 0x3)
1115	/** Task switch caused by a call instruction. */
1116	#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_CALL 0
1117	/** Task switch caused by an iret instruction. */
1118	#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_IRET 1
1119	/** Task switch caused by a jmp instruction. */
1120	#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_JMP 2
1121	/** Task switch caused by an interrupt gate. */
1122	#define VMX_EXIT_QUALIFICATION_TASK_SWITCH_TYPE_IDT 3
1123
1124	/** @} */
1125
1126
1127	/** @name VMX_EXIT_EPT_VIOLATION
1128	* @{
1129	*/
1130	/** Set if the violation was caused by a data read. */
1131	#define VMX_EXIT_QUALIFICATION_EPT_DATA_READ RT_BIT(0)
1132	/** Set if the violation was caused by a data write. */
1133	#define VMX_EXIT_QUALIFICATION_EPT_DATA_WRITE RT_BIT(1)
1134	/** Set if the violation was caused by an insruction fetch. */
1135	#define VMX_EXIT_QUALIFICATION_EPT_INSTR_FETCH RT_BIT(2)
1136	/** AND of the present bit of all EPT structures. */
1137	#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_PRESENT RT_BIT(3)
1138	/** AND of the write bit of all EPT structures. */
1139	#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_WRITE RT_BIT(4)
1140	/** AND of the execute bit of all EPT structures. */
1141	#define VMX_EXIT_QUALIFICATION_EPT_ENTRY_EXECUTE RT_BIT(5)
1142	/** Set if the guest linear address field contains the faulting address. */
1143	#define VMX_EXIT_QUALIFICATION_EPT_GUEST_ADDR_VALID RT_BIT(7)
1144	/** If bit 7 is one: (reserved otherwise)
1145	* 1 - violation due to physical address access.
1146	* 0 - violation caused by page walk or access/dirty bit updates
1147	*/
1148	#define VMX_EXIT_QUALIFICATION_EPT_TRANSLATED_ACCESS RT_BIT(8)
1149	/** @} */
1150
1151
1152	/** @name VMX_EXIT_PORT_IO
1153	* @{
1154	*/
1155	/** 0-2: IO operation width. */
1156	#define VMX_EXIT_QUALIFICATION_IO_WIDTH(a) (a & 7)
1157	/** 3: IO operation direction. */
1158	#define VMX_EXIT_QUALIFICATION_IO_DIRECTION(a) ((a >> 3) & 1)
1159	/** 4: String IO operation. */
1160	#define VMX_EXIT_QUALIFICATION_IO_STRING(a) ((a >> 4) & 1)
1161	/** 5: Repeated IO operation. */
1162	#define VMX_EXIT_QUALIFICATION_IO_REP(a) ((a >> 5) & 1)
1163	/** 6: Operand encoding. */
1164	#define VMX_EXIT_QUALIFICATION_IO_ENCODING(a) ((a >> 6) & 1)
1165	/** 16-31: IO Port (0-0xffff). */
1166	#define VMX_EXIT_QUALIFICATION_IO_PORT(a) ((a >> 16) & 0xffff)
1167	/* Rest reserved. */
1168	/** @} */
1169
1170	/** @name VMX_EXIT_QUALIFICATION_IO_DIRECTION
1171	* @{
1172	*/
1173	#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_OUT 0
1174	#define VMX_EXIT_QUALIFICATION_IO_DIRECTION_IN 1
1175	/** @} */
1176
1177
1178	/** @name VMX_EXIT_QUALIFICATION_IO_ENCODING
1179	* @{
1180	*/
1181	#define VMX_EXIT_QUALIFICATION_IO_ENCODING_DX 0
1182	#define VMX_EXIT_QUALIFICATION_IO_ENCODING_IMM 1
1183	/** @} */
1184
1185	/** @name VMX_EXIT_APIC_ACCESS
1186	* @{
1187	*/
1188	/** 0-11: If the APIC-access VM exit is due to a linear access, the offset of access within the APIC page. */
1189	#define VMX_EXIT_QUALIFICATION_APIC_ACCESS_OFFSET(a) (a & 0xfff)
1190	/** 12-15: Access type. */
1191	#define VMX_EXIT_QUALIFICATION_APIC_ACCESS_TYPE(a) ((a >> 12) & 0xf)
1192	/* Rest reserved. */
1193	/** @} */
1194
1195
1196	/** @name VMX_EXIT_QUALIFICATION_APIC_ACCESS_TYPE; access types
1197	* @{
1198	*/
1199	/** Linear read access. */
1200	#define VMX_APIC_ACCESS_TYPE_LINEAR_READ 0
1201	/** Linear write access. */
1202	#define VMX_APIC_ACCESS_TYPE_LINEAR_WRITE 1
1203	/** Linear instruction fetch access. */
1204	#define VMX_APIC_ACCESS_TYPE_LINEAR_INSTR_FETCH 2
1205	/** Linear read/write access during event delivery. */
1206	#define VMX_APIC_ACCESS_TYPE_LINEAR_EVENT_DELIVERY 3
1207	/** Physical read/write access during event delivery. */
1208	#define VMX_APIC_ACCESS_TYPE_PHYSICAL_EVENT_DELIVERY 10
1209	/** Physical access for an instruction fetch or during instruction execution. */
1210	#define VMX_APIC_ACCESS_TYPE_PHYSICAL_INSTR 15
1211	/** @} */
1212
1213	/** @} */
1214
1215	/** @name VMCS field encoding - Natural width guest state fields
1216	* @{
1217	*/
1218	#define VMX_VMCS64_GUEST_CR0 0x6800
1219	#define VMX_VMCS64_GUEST_CR3 0x6802
1220	#define VMX_VMCS64_GUEST_CR4 0x6804
1221	#define VMX_VMCS64_GUEST_ES_BASE 0x6806
1222	#define VMX_VMCS64_GUEST_CS_BASE 0x6808
1223	#define VMX_VMCS64_GUEST_SS_BASE 0x680A
1224	#define VMX_VMCS64_GUEST_DS_BASE 0x680C
1225	#define VMX_VMCS64_GUEST_FS_BASE 0x680E
1226	#define VMX_VMCS64_GUEST_GS_BASE 0x6810
1227	#define VMX_VMCS64_GUEST_LDTR_BASE 0x6812
1228	#define VMX_VMCS64_GUEST_TR_BASE 0x6814
1229	#define VMX_VMCS64_GUEST_GDTR_BASE 0x6816
1230	#define VMX_VMCS64_GUEST_IDTR_BASE 0x6818
1231	#define VMX_VMCS64_GUEST_DR7 0x681A
1232	#define VMX_VMCS64_GUEST_RSP 0x681C
1233	#define VMX_VMCS64_GUEST_RIP 0x681E
1234	#define VMX_VMCS_GUEST_RFLAGS 0x6820
1235	#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS 0x6822
1236	#define VMX_VMCS64_GUEST_SYSENTER_ESP 0x6824 /*< MSR IA32_SYSENTER_ESP /
1237	#define VMX_VMCS64_GUEST_SYSENTER_EIP 0x6826 /*< MSR IA32_SYSENTER_EIP /
1238	/** @} */
1239
1240
1241	/** @name VMX_VMCS_GUEST_DEBUG_EXCEPTIONS
1242	* @{
1243	*/
1244	/** Hardware breakpoint 0 was met. */
1245	#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B0 RT_BIT(0)
1246	/** Hardware breakpoint 1 was met. */
1247	#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B1 RT_BIT(1)
1248	/** Hardware breakpoint 2 was met. */
1249	#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B2 RT_BIT(2)
1250	/** Hardware breakpoint 3 was met. */
1251	#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_B3 RT_BIT(3)
1252	/** At least one data or IO breakpoint was hit. */
1253	#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BREAKPOINT_ENABLED RT_BIT(12)
1254	/** A debug exception would have been triggered by single-step execution mode. */
1255	#define VMX_VMCS_GUEST_DEBUG_EXCEPTIONS_BS RT_BIT(14)
1256	/** Bits 4-11, 13 and 15-63 are reserved. */
1257
1258	/** @} */
1259
1260	/** @name VMCS field encoding - Natural width host state fields
1261	* @{
1262	*/
1263	#define VMX_VMCS_HOST_CR0 0x6C00
1264	#define VMX_VMCS_HOST_CR3 0x6C02
1265	#define VMX_VMCS_HOST_CR4 0x6C04
1266	#define VMX_VMCS_HOST_FS_BASE 0x6C06
1267	#define VMX_VMCS_HOST_GS_BASE 0x6C08
1268	#define VMX_VMCS_HOST_TR_BASE 0x6C0A
1269	#define VMX_VMCS_HOST_GDTR_BASE 0x6C0C
1270	#define VMX_VMCS_HOST_IDTR_BASE 0x6C0E
1271	#define VMX_VMCS_HOST_SYSENTER_ESP 0x6C10
1272	#define VMX_VMCS_HOST_SYSENTER_EIP 0x6C12
1273	#define VMX_VMCS_HOST_RSP 0x6C14
1274	#define VMX_VMCS_HOST_RIP 0x6C16
1275	/** @} */
1276
1277	/** @} */
1278
1279
1280	#if RT_INLINE_ASM_GNU_STYLE
1281	# define __STR(x) #x
1282	# define STR(x) __STR(x)
1283	#endif
1284
1285
1286	/** @defgroup grp_vmx_asm vmx assembly helpers
1287	* @ingroup grp_vmx
1288	* @{
1289	*/
1290
1291	/**
1292	* Executes VMXON
1293	*
1294	* @returns VBox status code
1295	* @param pVMXOn Physical address of VMXON structure
1296	*/
1297	#if RT_INLINE_ASM_EXTERNAL \|\| HC_ARCH_BITS == 64 \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1298	DECLASM(int) VMXEnable(RTHCPHYS pVMXOn);
1299	#else
1300	DECLINLINE(int) VMXEnable(RTHCPHYS pVMXOn)
1301	{
1302	int rc = VINF_SUCCESS;
1303	# if RT_INLINE_ASM_GNU_STYLE
1304	__asm__ __volatile__ (
1305	"push %3 \n\t"
1306	"push %2 \n\t"
1307	".byte 0xF3, 0x0F, 0xC7, 0x34, 0x24 # VMXON [esp] \n\t"
1308	"ja 2f \n\t"
1309	"je 1f \n\t"
1310	"movl $"STR(VERR_VMX_INVALID_VMXON_PTR)", %0 \n\t"
1311	"jmp 2f \n\t"
1312	"1: \n\t"
1313	"movl $"STR(VERR_VMX_GENERIC)", %0 \n\t"
1314	"2: \n\t"
1315	"add $8, %%esp \n\t"
1316	:"=rm"(rc)
1317	:"0"(VINF_SUCCESS),
1318	"ir"((uint32_t)pVMXOn), /* don't allow direct memory reference here, */
1319	"ir"((uint32_t)(pVMXOn >> 32)) /* this would not work with -fomit-frame-pointer */
1320	:"memory"
1321	);
1322	# else
1323	__asm
1324	{
1325	push dword ptr [pVMXOn+4]
1326	push dword ptr [pVMXOn]
1327	_emit 0xF3
1328	_emit 0x0F
1329	_emit 0xC7
1330	_emit 0x34
1331	_emit 0x24 /* VMXON [esp] */
1332	jnc vmxon_good
1333	mov dword ptr [rc], VERR_VMX_INVALID_VMXON_PTR
1334	jmp the_end
1335
1336	vmxon_good:
1337	jnz the_end
1338	mov dword ptr [rc], VERR_VMX_GENERIC
1339	the_end:
1340	add esp, 8
1341	}
1342	# endif
1343	return rc;
1344	}
1345	#endif
1346
1347
1348	/**
1349	* Executes VMXOFF
1350	*/
1351	#if RT_INLINE_ASM_EXTERNAL \|\| HC_ARCH_BITS == 64 \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1352	DECLASM(void) VMXDisable(void);
1353	#else
1354	DECLINLINE(void) VMXDisable(void)
1355	{
1356	# if RT_INLINE_ASM_GNU_STYLE
1357	__asm__ __volatile__ (
1358	".byte 0x0F, 0x01, 0xC4 # VMXOFF \n\t"
1359	);
1360	# else
1361	__asm
1362	{
1363	_emit 0x0F
1364	_emit 0x01
1365	_emit 0xC4 /* VMXOFF */
1366	}
1367	# endif
1368	}
1369	#endif
1370
1371
1372	/**
1373	* Executes VMCLEAR
1374	*
1375	* @returns VBox status code
1376	* @param pVMCS Physical address of VM control structure
1377	*/
1378	#if RT_INLINE_ASM_EXTERNAL \|\| HC_ARCH_BITS == 64 \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1379	DECLASM(int) VMXClearVMCS(RTHCPHYS pVMCS);
1380	#else
1381	DECLINLINE(int) VMXClearVMCS(RTHCPHYS pVMCS)
1382	{
1383	int rc = VINF_SUCCESS;
1384	# if RT_INLINE_ASM_GNU_STYLE
1385	__asm__ __volatile__ (
1386	"push %3 \n\t"
1387	"push %2 \n\t"
1388	".byte 0x66, 0x0F, 0xC7, 0x34, 0x24 # VMCLEAR [esp] \n\t"
1389	"jnc 1f \n\t"
1390	"movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1391	"1: \n\t"
1392	"add $8, %%esp \n\t"
1393	:"=rm"(rc)
1394	:"0"(VINF_SUCCESS),
1395	"ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1396	"ir"((uint32_t)(pVMCS >> 32)) /* this would not work with -fomit-frame-pointer */
1397	:"memory"
1398	);
1399	# else
1400	__asm
1401	{
1402	push dword ptr [pVMCS+4]
1403	push dword ptr [pVMCS]
1404	_emit 0x66
1405	_emit 0x0F
1406	_emit 0xC7
1407	_emit 0x34
1408	_emit 0x24 /* VMCLEAR [esp] */
1409	jnc success
1410	mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1411	success:
1412	add esp, 8
1413	}
1414	# endif
1415	return rc;
1416	}
1417	#endif
1418
1419
1420	/**
1421	* Executes VMPTRLD
1422	*
1423	* @returns VBox status code
1424	* @param pVMCS Physical address of VMCS structure
1425	*/
1426	#if RT_INLINE_ASM_EXTERNAL \|\| HC_ARCH_BITS == 64 \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1427	DECLASM(int) VMXActivateVMCS(RTHCPHYS pVMCS);
1428	#else
1429	DECLINLINE(int) VMXActivateVMCS(RTHCPHYS pVMCS)
1430	{
1431	int rc = VINF_SUCCESS;
1432	# if RT_INLINE_ASM_GNU_STYLE
1433	__asm__ __volatile__ (
1434	"push %3 \n\t"
1435	"push %2 \n\t"
1436	".byte 0x0F, 0xC7, 0x34, 0x24 # VMPTRLD [esp] \n\t"
1437	"jnc 1f \n\t"
1438	"movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1439	"1: \n\t"
1440	"add $8, %%esp \n\t"
1441	:"=rm"(rc)
1442	:"0"(VINF_SUCCESS),
1443	"ir"((uint32_t)pVMCS), /* don't allow direct memory reference here, */
1444	"ir"((uint32_t)(pVMCS >> 32)) /* this will not work with -fomit-frame-pointer */
1445	);
1446	# else
1447	__asm
1448	{
1449	push dword ptr [pVMCS+4]
1450	push dword ptr [pVMCS]
1451	_emit 0x0F
1452	_emit 0xC7
1453	_emit 0x34
1454	_emit 0x24 /* VMPTRLD [esp] */
1455	jnc success
1456	mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1457
1458	success:
1459	add esp, 8
1460	}
1461	# endif
1462	return rc;
1463	}
1464	#endif
1465
1466	/**
1467	* Executes VMPTRST
1468	*
1469	* @returns VBox status code
1470	* @param pVMCS Address that will receive the current pointer
1471	*/
1472	DECLASM(int) VMXGetActivateVMCS(RTHCPHYS *pVMCS);
1473
1474	/**
1475	* Executes VMWRITE
1476	*
1477	* @returns VBox status code
1478	* @param idxField VMCS index
1479	* @param u32Val 32 bits value
1480	*/
1481	#if RT_INLINE_ASM_EXTERNAL \|\| HC_ARCH_BITS == 64 \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1482	DECLASM(int) VMXWriteVMCS32(uint32_t idxField, uint32_t u32Val);
1483	#else
1484	DECLINLINE(int) VMXWriteVMCS32(uint32_t idxField, uint32_t u32Val)
1485	{
1486	int rc = VINF_SUCCESS;
1487	# if RT_INLINE_ASM_GNU_STYLE
1488	__asm__ __volatile__ (
1489	".byte 0x0F, 0x79, 0xC2 # VMWRITE eax, edx \n\t"
1490	"ja 2f \n\t"
1491	"je 1f \n\t"
1492	"movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1493	"jmp 2f \n\t"
1494	"1: \n\t"
1495	"movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
1496	"2: \n\t"
1497	:"=rm"(rc)
1498	:"0"(VINF_SUCCESS),
1499	"a"(idxField),
1500	"d"(u32Val)
1501	);
1502	# else
1503	__asm
1504	{
1505	push dword ptr [u32Val]
1506	mov eax, [idxField]
1507	_emit 0x0F
1508	_emit 0x79
1509	_emit 0x04
1510	_emit 0x24 /* VMWRITE eax, [esp] */
1511	jnc valid_vmcs
1512	mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1513	jmp the_end
1514
1515	valid_vmcs:
1516	jnz the_end
1517	mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
1518	the_end:
1519	add esp, 4
1520	}
1521	# endif
1522	return rc;
1523	}
1524	#endif
1525
1526	/**
1527	* Executes VMWRITE
1528	*
1529	* @returns VBox status code
1530	* @param idxField VMCS index
1531	* @param u64Val 16, 32 or 64 bits value
1532	*/
1533	#if HC_ARCH_BITS == 64 \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1534	DECLASM(int) VMXWriteVMCS64(uint32_t idxField, uint64_t u64Val);
1535	#else
1536	VMMR0DECL(int) VMXWriteVMCS64Ex(PVMCPU pVCpu, uint32_t idxField, uint64_t u64Val);
1537
1538	#define VMXWriteVMCS64(idxField, u64Val) VMXWriteVMCS64Ex(pVCpu, idxField, u64Val)
1539	#endif
1540
1541	#if HC_ARCH_BITS == 64
1542	#define VMXWriteVMCS VMXWriteVMCS64
1543	#else
1544	#define VMXWriteVMCS VMXWriteVMCS32
1545	#endif /* HC_ARCH_BITS == 64 */
1546
1547
1548	/**
1549	* Invalidate a page using invept
1550	* @returns VBox status code
1551	* @param enmFlush Type of flush
1552	* @param pDescriptor Descriptor
1553	*/
1554	DECLASM(int) VMXR0InvEPT(VMX_FLUSH enmFlush, uint64_t *pDescriptor);
1555
1556	/**
1557	* Invalidate a page using invvpid
1558	* @returns VBox status code
1559	* @param enmFlush Type of flush
1560	* @param pDescriptor Descriptor
1561	*/
1562	DECLASM(int) VMXR0InvVPID(VMX_FLUSH enmFlush, uint64_t *pDescriptor);
1563
1564	/**
1565	* Executes VMREAD
1566	*
1567	* @returns VBox status code
1568	* @param idxField VMCS index
1569	* @param pData Ptr to store VM field value
1570	*/
1571	#if RT_INLINE_ASM_EXTERNAL \|\| HC_ARCH_BITS == 64 \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1572	DECLASM(int) VMXReadVMCS32(uint32_t idxField, uint32_t *pData);
1573	#else
1574	DECLINLINE(int) VMXReadVMCS32(uint32_t idxField, uint32_t *pData)
1575	{
1576	int rc = VINF_SUCCESS;
1577	# if RT_INLINE_ASM_GNU_STYLE
1578	__asm__ __volatile__ (
1579	"movl $"STR(VINF_SUCCESS)", %0 \n\t"
1580	".byte 0x0F, 0x78, 0xc2 # VMREAD eax, edx \n\t"
1581	"ja 2f \n\t"
1582	"je 1f \n\t"
1583	"movl $"STR(VERR_VMX_INVALID_VMCS_PTR)", %0 \n\t"
1584	"jmp 2f \n\t"
1585	"1: \n\t"
1586	"movl $"STR(VERR_VMX_INVALID_VMCS_FIELD)", %0 \n\t"
1587	"2: \n\t"
1588	:"=&r"(rc),
1589	"=d"(*pData)
1590	:"a"(idxField),
1591	"d"(0)
1592	);
1593	# else
1594	__asm
1595	{
1596	sub esp, 4
1597	mov dword ptr [esp], 0
1598	mov eax, [idxField]
1599	_emit 0x0F
1600	_emit 0x78
1601	_emit 0x04
1602	_emit 0x24 /* VMREAD eax, [esp] */
1603	mov edx, pData
1604	pop dword ptr [edx]
1605	jnc valid_vmcs
1606	mov dword ptr [rc], VERR_VMX_INVALID_VMCS_PTR
1607	jmp the_end
1608
1609	valid_vmcs:
1610	jnz the_end
1611	mov dword ptr [rc], VERR_VMX_INVALID_VMCS_FIELD
1612	the_end:
1613	}
1614	# endif
1615	return rc;
1616	}
1617	#endif
1618
1619	/**
1620	* Executes VMREAD
1621	*
1622	* @returns VBox status code
1623	* @param idxField VMCS index
1624	* @param pData Ptr to store VM field value
1625	*/
1626	#if HC_ARCH_BITS == 64 \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
1627	DECLASM(int) VMXReadVMCS64(uint32_t idxField, uint64_t *pData);
1628	#else
1629	DECLINLINE(int) VMXReadVMCS64(uint32_t idxField, uint64_t *pData)
1630	{
1631	int rc;
1632
1633	uint32_t val_hi, val;
1634	rc = VMXReadVMCS32(idxField, &val);
1635	rc \|= VMXReadVMCS32(idxField + 1, &val_hi);
1636	AssertRC(rc);
1637	*pData = RT_MAKE_U64(val, val_hi);
1638	return rc;
1639	}
1640	#endif
1641
1642	#if HC_ARCH_BITS == 64
1643	# define VMXReadVMCS VMXReadVMCS64
1644	#else
1645	# define VMXReadVMCS VMXReadVMCS32
1646	#endif /* HC_ARCH_BITS == 64 */
1647
1648	/**
1649	* Gets the last instruction error value from the current VMCS
1650	*
1651	* @returns error value
1652	*/
1653	DECLINLINE(uint32_t) VMXGetLastError(void)
1654	{
1655	#if HC_ARCH_BITS == 64
1656	uint64_t uLastError = 0;
1657	int rc = VMXReadVMCS(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError);
1658	AssertRC(rc);
1659	return (uint32_t)uLastError;
1660
1661	#else /* 32-bit host: */
1662	uint32_t uLastError = 0;
1663	int rc = VMXReadVMCS32(VMX_VMCS32_RO_VM_INSTR_ERROR, &uLastError);
1664	AssertRC(rc);
1665	return uLastError;
1666	#endif
1667	}
1668
1669	#ifdef IN_RING0
1670	VMMR0DECL(int) VMXR0InvalidatePage(PVM pVM, PVMCPU pVCpu, RTGCPTR GCVirt);
1671	VMMR0DECL(int) VMXR0InvalidatePhysPage(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys);
1672	#endif /* IN_RING0 */
1673
1674	/** @} */
1675
1676	#endif
1677

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source: vbox/trunk/include/VBox/hwacc_vmx.h@ 23746

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