VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCMInternal.h@ 15540

Last change on this file since 15540 was 15507, checked in by vboxsync, 16 years ago

VT-x: keep track of missed paging mode changes

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1/* $Id: HWACCMInternal.h 15507 2008-12-15 14:51:45Z vboxsync $ */
2/** @file
3 * HWACCM - Internal header file.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22#ifndef ___HWACCMInternal_h
23#define ___HWACCMInternal_h
24
25#include <VBox/cdefs.h>
26#include <VBox/types.h>
27#include <VBox/em.h>
28#include <VBox/stam.h>
29#include <VBox/dis.h>
30#include <VBox/hwaccm.h>
31#include <VBox/pgm.h>
32#include <VBox/cpum.h>
33#include <iprt/memobj.h>
34#include <iprt/cpuset.h>
35#include <iprt/mp.h>
36
37#if HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) || defined (VBOX_WITH_64_BITS_GUESTS)
38/* Enable 64 bits guest support. */
39# define VBOX_ENABLE_64_BITS_GUESTS
40#endif
41
42#define VMX_USE_CACHED_VMCS_ACCESSES
43#define HWACCM_VMX_EMULATE_REALMODE
44#define HWACCM_VTX_WITH_EPT
45#define HWACCM_VTX_WITH_VPID
46
47__BEGIN_DECLS
48
49
50/** @defgroup grp_hwaccm_int Internal
51 * @ingroup grp_hwaccm
52 * @internal
53 * @{
54 */
55
56
57/** Maximum number of exit reason statistics counters. */
58#define MAX_EXITREASON_STAT 0x100
59#define MASK_EXITREASON_STAT 0xff
60
61/** @name Changed flags
62 * These flags are used to keep track of which important registers that
63 * have been changed since last they were reset.
64 * @{
65 */
66#define HWACCM_CHANGED_GUEST_FPU RT_BIT(0)
67#define HWACCM_CHANGED_GUEST_CR0 RT_BIT(1)
68#define HWACCM_CHANGED_GUEST_CR3 RT_BIT(2)
69#define HWACCM_CHANGED_GUEST_CR4 RT_BIT(3)
70#define HWACCM_CHANGED_GUEST_GDTR RT_BIT(4)
71#define HWACCM_CHANGED_GUEST_IDTR RT_BIT(5)
72#define HWACCM_CHANGED_GUEST_LDTR RT_BIT(6)
73#define HWACCM_CHANGED_GUEST_TR RT_BIT(7)
74#define HWACCM_CHANGED_GUEST_SYSENTER_MSR RT_BIT(8)
75#define HWACCM_CHANGED_GUEST_SEGMENT_REGS RT_BIT(9)
76#define HWACCM_CHANGED_GUEST_DEBUG RT_BIT(10)
77#define HWACCM_CHANGED_HOST_CONTEXT RT_BIT(11)
78
79#define HWACCM_CHANGED_ALL ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \
80 | HWACCM_CHANGED_GUEST_CR0 \
81 | HWACCM_CHANGED_GUEST_CR3 \
82 | HWACCM_CHANGED_GUEST_CR4 \
83 | HWACCM_CHANGED_GUEST_GDTR \
84 | HWACCM_CHANGED_GUEST_IDTR \
85 | HWACCM_CHANGED_GUEST_LDTR \
86 | HWACCM_CHANGED_GUEST_TR \
87 | HWACCM_CHANGED_GUEST_SYSENTER_MSR \
88 | HWACCM_CHANGED_GUEST_FPU \
89 | HWACCM_CHANGED_GUEST_DEBUG \
90 | HWACCM_CHANGED_HOST_CONTEXT)
91
92#define HWACCM_CHANGED_ALL_GUEST ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \
93 | HWACCM_CHANGED_GUEST_CR0 \
94 | HWACCM_CHANGED_GUEST_CR3 \
95 | HWACCM_CHANGED_GUEST_CR4 \
96 | HWACCM_CHANGED_GUEST_GDTR \
97 | HWACCM_CHANGED_GUEST_IDTR \
98 | HWACCM_CHANGED_GUEST_LDTR \
99 | HWACCM_CHANGED_GUEST_TR \
100 | HWACCM_CHANGED_GUEST_SYSENTER_MSR \
101 | HWACCM_CHANGED_GUEST_DEBUG \
102 | HWACCM_CHANGED_GUEST_FPU)
103
104/** @} */
105
106/** @name Intercepted traps
107 * Traps that need to be intercepted so we can correctly dispatch them to the guest if required.
108 * Currently #NM and #PF only
109 */
110#ifdef VBOX_STRICT
111#define HWACCM_VMX_TRAP_MASK RT_BIT(X86_XCPT_DE) | RT_BIT(X86_XCPT_NM) | RT_BIT(X86_XCPT_PF) | RT_BIT(X86_XCPT_UD) | RT_BIT(X86_XCPT_NP) | RT_BIT(X86_XCPT_SS) | RT_BIT(X86_XCPT_GP) | RT_BIT(X86_XCPT_MF)
112#define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK
113#else
114#define HWACCM_VMX_TRAP_MASK RT_BIT(X86_XCPT_NM) | RT_BIT(X86_XCPT_PF)
115#define HWACCM_SVM_TRAP_MASK RT_BIT(X86_XCPT_NM) | RT_BIT(X86_XCPT_PF)
116#endif
117/* All exceptions have to be intercept in emulated real-mode (minues NM & PF as they are always intercepted. */
118#define HWACCM_VMX_TRAP_MASK_REALMODE RT_BIT(X86_XCPT_DE) | RT_BIT(X86_XCPT_DB) | RT_BIT(X86_XCPT_NMI) | RT_BIT(X86_XCPT_BP) | RT_BIT(X86_XCPT_OF) | RT_BIT(X86_XCPT_BR) | RT_BIT(X86_XCPT_UD) | RT_BIT(X86_XCPT_DF) | RT_BIT(X86_XCPT_CO_SEG_OVERRUN) | RT_BIT(X86_XCPT_TS) | RT_BIT(X86_XCPT_NP) | RT_BIT(X86_XCPT_SS) | RT_BIT(X86_XCPT_GP) | RT_BIT(X86_XCPT_MF) | RT_BIT(X86_XCPT_AC) | RT_BIT(X86_XCPT_MC) | RT_BIT(X86_XCPT_XF)
119/** @} */
120
121
122/** Maxium resume loops allowed in ring 0 (safety precaution) */
123#define HWACCM_MAX_RESUME_LOOPS 1024
124
125/** Size for the EPT identity page table (1024 4 MB pages to cover the entire address space). */
126#define HWACCM_EPT_IDENTITY_PG_TABLE_SIZE PAGE_SIZE
127/** Size of the TSS structure + 2 pages for the IO bitmap + end byte. */
128#define HWACCM_VTX_TSS_SIZE (sizeof(VBOXTSS) + 2*PAGE_SIZE + 1)
129/** Total guest mapped memory needed. */
130#define HWACCM_VTX_TOTAL_DEVHEAP_MEM (HWACCM_EPT_IDENTITY_PG_TABLE_SIZE + HWACCM_VTX_TSS_SIZE)
131
132/** HWACCM SSM version
133 */
134#define HWACCM_SSM_VERSION 4
135#define HWACCM_SSM_VERSION_2_0_X 3
136
137/* Per-cpu information. (host) */
138typedef struct
139{
140 RTCPUID idCpu;
141
142 RTR0MEMOBJ pMemObj;
143 /* Current ASID (AMD-V)/VPID (Intel) */
144 uint32_t uCurrentASID;
145 /* TLB flush count */
146 uint32_t cTLBFlushes;
147
148 /* Set the first time a cpu is used to make sure we start with a clean TLB. */
149 bool fFlushTLB;
150
151 /** Configured for VT-x or AMD-V. */
152 bool fConfigured;
153
154 /** In use by our code. (for power suspend) */
155 volatile bool fInUse;
156} HWACCM_CPUINFO;
157typedef HWACCM_CPUINFO *PHWACCM_CPUINFO;
158
159/* VT-x capability qword. */
160typedef union
161{
162 struct
163 {
164 uint32_t disallowed0;
165 uint32_t allowed1;
166 } n;
167 uint64_t u;
168} VMX_CAPABILITY;
169
170/**
171 * Switcher function, HC to RC.
172 *
173 * @param pVM The VM handle.
174 * @returns Return code indicating the action to take.
175 */
176typedef DECLASMTYPE(int) FNHWACCMSWITCHERHC(PVM pVM);
177/** Pointer to switcher function. */
178typedef FNHWACCMSWITCHERHC *PFNHWACCMSWITCHERHC;
179
180/**
181 * HWACCM VM Instance data.
182 * Changes to this must checked against the padding of the cfgm union in VM!
183 */
184typedef struct HWACCM
185{
186 /** Set when we've initialized VMX or SVM. */
187 bool fInitialized;
188
189 /** Set when we're using VMX/SVN at that moment. */
190 bool fActive;
191
192 /** Set when hardware acceleration is allowed. */
193 bool fAllowed;
194
195 /** Set if nested paging is enabled. */
196 bool fNestedPaging;
197
198 /** Set if nested paging is allowed. */
199 bool fAllowNestedPaging;
200
201 /** Set if we're supposed to inject an NMI. */
202 bool fInjectNMI;
203
204 /** Set if we can support 64-bit guests or not. */
205 bool fAllow64BitGuests;
206
207 /** Explicit alignment padding to make 32-bit gcc align u64RegisterMask
208 * naturally. */
209 bool padding[1];
210
211 /** And mask for copying register contents. */
212 uint64_t u64RegisterMask;
213
214 /** Maximum ASID allowed. */
215 RTUINT uMaxASID;
216
217#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
218 /** 32 to 64 bits switcher entrypoint. */
219 R0PTRTYPE(PFNHWACCMSWITCHERHC) pfnHost32ToGuest64R0;
220
221 /* AMD-V 64 bits vmrun handler */
222 RTRCPTR pfnSVMGCVMRun64;
223
224 /* VT-x 64 bits vmlaunch handler */
225 RTRCPTR pfnVMXGCStartVM64;
226
227 /* RC handler to setup the 64 bits FPU state. */
228 RTRCPTR pfnSaveGuestFPU64;
229
230 /* RC handler to setup the 64 bits debug state. */
231 RTRCPTR pfnSaveGuestDebug64;
232
233# ifdef DEBUG
234 /* Test handler */
235 RTRCPTR pfnTest64;
236
237 RTRCPTR uAlignment[1];
238# endif
239#elif defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
240 uint32_t u32Alignment[1];
241#endif
242
243 struct
244 {
245 /** Set by the ring-0 driver to indicate VMX is supported by the CPU. */
246 bool fSupported;
247
248 /** Set when we've enabled VMX. */
249 bool fEnabled;
250
251 /** Set if VPID is supported. */
252 bool fVPID;
253
254 /** Set if VT-x VPID is allowed. */
255 bool fAllowVPID;
256
257 /** Virtual address of the TSS page used for real mode emulation. */
258 R3PTRTYPE(PVBOXTSS) pRealModeTSS;
259
260 /** Virtual address of the identity page table used for real mode and protected mode without paging emulation in EPT mode. */
261 R3PTRTYPE(PX86PD) pNonPagingModeEPTPageTable;
262
263 /** R0 memory object for the virtual APIC mmio cache. */
264 RTR0MEMOBJ pMemObjAPIC;
265 /** Physical address of the virtual APIC mmio cache. */
266 RTHCPHYS pAPICPhys;
267 /** Virtual address of the virtual APIC mmio cache. */
268 R0PTRTYPE(uint8_t *) pAPIC;
269
270 /** R0 memory object for the MSR bitmap (1 page). */
271 RTR0MEMOBJ pMemObjMSRBitmap;
272 /** Physical address of the MSR bitmap (1 page). */
273 RTHCPHYS pMSRBitmapPhys;
274 /** Virtual address of the MSR bitmap (1 page). */
275 R0PTRTYPE(uint8_t *) pMSRBitmap;
276
277 /** R0 memory object for the MSR entry load page (guest MSRs). */
278 RTR0MEMOBJ pMemObjMSREntryLoad;
279 /** Physical address of the MSR entry load page (guest MSRs). */
280 RTHCPHYS pMSREntryLoadPhys;
281 /** Virtual address of the MSR entry load page (guest MSRs). */
282 R0PTRTYPE(uint8_t *) pMSREntryLoad;
283
284 /** R0 memory object for the MSR exit store page (guest MSRs). */
285 RTR0MEMOBJ pMemObjMSRExitStore;
286 /** Physical address of the MSR exit store page (guest MSRs). */
287 RTHCPHYS pMSRExitStorePhys;
288 /** Virtual address of the MSR exit store page (guest MSRs). */
289 R0PTRTYPE(uint8_t *) pMSRExitStore;
290
291 /** R0 memory object for the MSR exit load page (host MSRs). */
292 RTR0MEMOBJ pMemObjMSRExitLoad;
293 /** Physical address of the MSR exit load page (host MSRs). */
294 RTHCPHYS pMSRExitLoadPhys;
295 /** Virtual address of the MSR exit load page (host MSRs). */
296 R0PTRTYPE(uint8_t *) pMSRExitLoad;
297
298 /** Ring 0 handlers for VT-x. */
299 DECLR0CALLBACKMEMBER(void, pfnSetupTaggedTLB, (PVM pVM, PVMCPU pVCpu));
300
301 /** Host CR4 value (set by ring-0 VMX init) */
302 uint64_t hostCR4;
303
304 /** VMX MSR values */
305 struct
306 {
307 uint64_t feature_ctrl;
308 uint64_t vmx_basic_info;
309 VMX_CAPABILITY vmx_pin_ctls;
310 VMX_CAPABILITY vmx_proc_ctls;
311 VMX_CAPABILITY vmx_proc_ctls2;
312 VMX_CAPABILITY vmx_exit;
313 VMX_CAPABILITY vmx_entry;
314 uint64_t vmx_misc;
315 uint64_t vmx_cr0_fixed0;
316 uint64_t vmx_cr0_fixed1;
317 uint64_t vmx_cr4_fixed0;
318 uint64_t vmx_cr4_fixed1;
319 uint64_t vmx_vmcs_enum;
320 uint64_t vmx_eptcaps;
321 } msr;
322
323 /** Flush types for invept & invvpid; they depend on capabilities. */
324 VMX_FLUSH enmFlushPage;
325 VMX_FLUSH enmFlushContext;
326 } vmx;
327
328 struct
329 {
330 /** Set by the ring-0 driver to indicate SVM is supported by the CPU. */
331 bool fSupported;
332 /** Set when we've enabled SVM. */
333 bool fEnabled;
334 /** Set if erratum 170 affects the AMD cpu. */
335 bool fAlwaysFlushTLB;
336 /** Explicit alignment padding to make 32-bit gcc align u64RegisterMask
337 * naturally. */
338 bool padding[1];
339
340 /** R0 memory object for the host VM control block (VMCB). */
341 RTR0MEMOBJ pMemObjVMCBHost;
342 /** Physical address of the host VM control block (VMCB). */
343 RTHCPHYS pVMCBHostPhys;
344 /** Virtual address of the host VM control block (VMCB). */
345 R0PTRTYPE(void *) pVMCBHost;
346
347 /** R0 memory object for the IO bitmap (12kb). */
348 RTR0MEMOBJ pMemObjIOBitmap;
349 /** Physical address of the IO bitmap (12kb). */
350 RTHCPHYS pIOBitmapPhys;
351 /** Virtual address of the IO bitmap. */
352 R0PTRTYPE(void *) pIOBitmap;
353
354 /** R0 memory object for the MSR bitmap (8kb). */
355 RTR0MEMOBJ pMemObjMSRBitmap;
356 /** Physical address of the MSR bitmap (8kb). */
357 RTHCPHYS pMSRBitmapPhys;
358 /** Virtual address of the MSR bitmap. */
359 R0PTRTYPE(void *) pMSRBitmap;
360
361 /** SVM revision. */
362 uint32_t u32Rev;
363
364 /** SVM feature bits from cpuid 0x8000000a */
365 uint32_t u32Features;
366 } svm;
367
368 struct
369 {
370 uint32_t u32AMDFeatureECX;
371 uint32_t u32AMDFeatureEDX;
372 } cpuid;
373
374 /** Saved error from detection */
375 int32_t lLastError;
376
377 /** HWACCMR0Init was run */
378 bool fHWACCMR0Init;
379} HWACCM;
380/** Pointer to HWACCM VM instance data. */
381typedef HWACCM *PHWACCM;
382
383/* Maximum number of cached entries. */
384#define VMCSCACHE_MAX_ENTRY 256
385
386/* Structure for storing read and write VMCS actions. */
387typedef struct VMCSCACHE
388{
389 /* CR2 is saved here for EPT syncing. */
390 uint64_t cr2;
391 struct
392 {
393 uint32_t cValidEntries;
394 uint32_t uAlignment;
395 uint32_t aField[VMCSCACHE_MAX_ENTRY];
396 uint64_t aFieldVal[VMCSCACHE_MAX_ENTRY];
397 } Write;
398 struct
399 {
400 uint32_t cValidEntries;
401 uint32_t uAlignment;
402 uint32_t aField[VMCSCACHE_MAX_ENTRY];
403 uint64_t aFieldVal[VMCSCACHE_MAX_ENTRY];
404 } Read;
405#ifdef DEBUG
406 struct
407 {
408 RTHCPHYS pPageCpuPhys;
409 RTHCPHYS pVMCSPhys;
410 RTGCPTR pCache;
411 RTGCPTR pCtx;
412 } TestIn;
413 struct
414 {
415 RTHCPHYS pVMCSPhys;
416 RTGCPTR pCache;
417 RTGCPTR pCtx;
418 } TestOut;
419 struct
420 {
421 uint64_t param1;
422 uint64_t param2;
423 uint64_t param3;
424 uint64_t param4;
425 } ScratchPad;
426#endif
427} VMCSCACHE;
428/** Pointer to VMCSCACHE. */
429typedef VMCSCACHE *PVMCSCACHE;
430
431/**
432 * HWACCM VMCPU Instance data.
433 */
434typedef struct HWACCMCPU
435{
436 /** Old style FPU reporting trap mask override performed (optimization) */
437 bool fFPUOldStyleOverride;
438
439 /** Set if we don't have to flush the TLB on VM entry. */
440 bool fResumeVM;
441
442 /** Set if we need to flush the TLB during the world switch. */
443 bool fForceTLBFlush;
444
445 /** Explicit alignment padding to make 32-bit gcc align u64RegisterMask
446 * naturally. */
447 bool padding[1];
448
449 /** HWACCM_CHANGED_* flags. */
450 RTUINT fContextUseFlags;
451
452 /* Id of the last cpu we were executing code on (NIL_RTCPUID for the first time) */
453 RTCPUID idLastCpu;
454
455 /* TLB flush count */
456 RTUINT cTLBFlushes;
457
458 /* Current ASID in use by the VM */
459 RTUINT uCurrentASID;
460
461 struct
462 {
463 /** R0 memory object for the VM control structure (VMCS). */
464 RTR0MEMOBJ pMemObjVMCS;
465 /** Physical address of the VM control structure (VMCS). */
466 RTHCPHYS pVMCSPhys;
467 /** Virtual address of the VM control structure (VMCS). */
468 R0PTRTYPE(void *) pVMCS;
469
470 /** Ring 0 handlers for VT-x. */
471 DECLR0CALLBACKMEMBER(int, pfnStartVM,(RTHCUINT fResume, PCPUMCTX pCtx, PVMCSCACHE pCache, PVM pVM, PVMCPU pVCpu));
472
473 /** Current VMX_VMCS_CTRL_PROC_EXEC_CONTROLS. */
474 uint64_t proc_ctls;
475
476 /** Current CR0 mask. */
477 uint64_t cr0_mask;
478 /** Current CR4 mask. */
479 uint64_t cr4_mask;
480
481 /** Current EPTP. */
482 RTHCPHYS GCPhysEPTP;
483
484 /** VMCS cache. */
485 VMCSCACHE VMCSCache;
486
487 /** Real-mode emulation state. */
488 struct
489 {
490 X86EFLAGS eflags;
491 uint32_t fValid;
492 } RealMode;
493
494 struct
495 {
496 uint64_t u64VMCSPhys;
497 uint32_t ulVMCSRevision;
498 uint32_t ulInstrError;
499 uint32_t ulExitReason;
500 RTCPUID idEnteredCpu;
501 RTCPUID idCurrentCpu;
502 uint32_t padding;
503 } lasterror;
504
505 /** The last seen guest paging mode (by VT-x). */
506 PGMMODE enmLastSeenGuestMode;
507 /** Current guest paging mode (as seen by HWACCMR3PagingModeChanged). */
508 PGMMODE enmCurrGuestMode;
509 /** Previous guest paging mode (as seen by HWACCMR3PagingModeChanged). */
510 PGMMODE enmPrevGuestMode;
511 } vmx;
512
513 struct
514 {
515 /** R0 memory object for the VM control block (VMCB). */
516 RTR0MEMOBJ pMemObjVMCB;
517 /** Physical address of the VM control block (VMCB). */
518 RTHCPHYS pVMCBPhys;
519 /** Virtual address of the VM control block (VMCB). */
520 R0PTRTYPE(void *) pVMCB;
521
522 /** Ring 0 handlers for VT-x. */
523 DECLR0CALLBACKMEMBER(int, pfnVMRun,(RTHCPHYS pVMCBHostPhys, RTHCPHYS pVMCBPhys, PCPUMCTX pCtx, PVM pVM, PVMCPU pVCpu));
524
525 } svm;
526
527 /** Event injection state. */
528 struct
529 {
530 uint32_t fPending;
531 uint32_t errCode;
532 uint64_t intInfo;
533 } Event;
534
535 /** Currenty shadow paging mode. */
536 PGMMODE enmShadowMode;
537
538 /** The CPU ID of the CPU currently owning the VMCS. Set in
539 * HWACCMR0Enter and cleared in HWACCMR0Leave. */
540 RTCPUID idEnteredCpu;
541
542 STAMPROFILEADV StatEntry;
543 STAMPROFILEADV StatExit1;
544 STAMPROFILEADV StatExit2;
545#if 1 /* temporary for tracking down darwin issues. */
546 STAMPROFILEADV StatExit2Sub1;
547 STAMPROFILEADV StatExit2Sub2;
548 STAMPROFILEADV StatExit2Sub3;
549#endif
550 STAMPROFILEADV StatInGC;
551
552 STAMCOUNTER StatIntInject;
553
554 STAMCOUNTER StatExitShadowNM;
555 STAMCOUNTER StatExitGuestNM;
556 STAMCOUNTER StatExitShadowPF;
557 STAMCOUNTER StatExitGuestPF;
558 STAMCOUNTER StatExitGuestUD;
559 STAMCOUNTER StatExitGuestSS;
560 STAMCOUNTER StatExitGuestNP;
561 STAMCOUNTER StatExitGuestGP;
562 STAMCOUNTER StatExitGuestDE;
563 STAMCOUNTER StatExitGuestDB;
564 STAMCOUNTER StatExitGuestMF;
565 STAMCOUNTER StatExitInvpg;
566 STAMCOUNTER StatExitInvd;
567 STAMCOUNTER StatExitCpuid;
568 STAMCOUNTER StatExitRdtsc;
569 STAMCOUNTER StatExitCRxWrite[8];
570 STAMCOUNTER StatExitCRxRead[8];
571 STAMCOUNTER StatExitDRxWrite;
572 STAMCOUNTER StatExitDRxRead;
573 STAMCOUNTER StatExitCLTS;
574 STAMCOUNTER StatExitLMSW;
575 STAMCOUNTER StatExitIOWrite;
576 STAMCOUNTER StatExitIORead;
577 STAMCOUNTER StatExitIOStringWrite;
578 STAMCOUNTER StatExitIOStringRead;
579 STAMCOUNTER StatExitIrqWindow;
580 STAMCOUNTER StatExitMaxResume;
581 STAMCOUNTER StatIntReinject;
582 STAMCOUNTER StatPendingHostIrq;
583
584 STAMCOUNTER StatFlushPageManual;
585 STAMCOUNTER StatFlushPhysPageManual;
586 STAMCOUNTER StatFlushTLBManual;
587 STAMCOUNTER StatFlushPageInvlpg;
588 STAMCOUNTER StatFlushTLBWorldSwitch;
589 STAMCOUNTER StatNoFlushTLBWorldSwitch;
590 STAMCOUNTER StatFlushTLBCRxChange;
591 STAMCOUNTER StatFlushASID;
592 STAMCOUNTER StatFlushTLBInvlpga;
593
594 STAMCOUNTER StatSwitchGuestIrq;
595 STAMCOUNTER StatSwitchToR3;
596
597 STAMCOUNTER StatTSCOffset;
598 STAMCOUNTER StatTSCIntercept;
599
600 STAMCOUNTER StatExitReasonNPF;
601 STAMCOUNTER StatDRxArmed;
602 STAMCOUNTER StatDRxContextSwitch;
603 STAMCOUNTER StatDRxIOCheck;
604
605
606 R3PTRTYPE(PSTAMCOUNTER) paStatExitReason;
607 R0PTRTYPE(PSTAMCOUNTER) paStatExitReasonR0;
608} HWACCMCPU;
609/** Pointer to HWACCM VM instance data. */
610typedef HWACCMCPU *PHWACCMCPU;
611
612
613#ifdef IN_RING0
614
615VMMR0DECL(PHWACCM_CPUINFO) HWACCMR0GetCurrentCpu();
616VMMR0DECL(PHWACCM_CPUINFO) HWACCMR0GetCurrentCpuEx(RTCPUID idCpu);
617
618
619#ifdef VBOX_STRICT
620VMMR0DECL(void) HWACCMDumpRegs(PVM pVM, PCPUMCTX pCtx);
621VMMR0DECL(void) HWACCMR0DumpDescriptor(PX86DESCHC Desc, RTSEL Sel, const char *pszMsg);
622#else
623#define HWACCMDumpRegs(a, b) do { } while (0)
624#define HWACCMR0DumpDescriptor(a, b, c) do { } while (0)
625#endif
626
627/* Dummy callback handlers. */
628VMMR0DECL(int) HWACCMR0DummyEnter(PVM pVM, PVMCPU pVCpu, PHWACCM_CPUINFO pCpu);
629VMMR0DECL(int) HWACCMR0DummyLeave(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
630VMMR0DECL(int) HWACCMR0DummyEnableCpu(PHWACCM_CPUINFO pCpu, PVM pVM, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
631VMMR0DECL(int) HWACCMR0DummyDisableCpu(PHWACCM_CPUINFO pCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
632VMMR0DECL(int) HWACCMR0DummyInitVM(PVM pVM);
633VMMR0DECL(int) HWACCMR0DummyTermVM(PVM pVM);
634VMMR0DECL(int) HWACCMR0DummySetupVM(PVM pVM);
635VMMR0DECL(int) HWACCMR0DummyRunGuestCode(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
636VMMR0DECL(int) HWACCMR0DummySaveHostState(PVM pVM, PVMCPU pVCpu);
637VMMR0DECL(int) HWACCMR0DummyLoadGuestState(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
638
639
640# ifdef VBOX_WITH_HYBRID_32BIT_KERNEL
641/**
642 * Gets 64-bit GDTR and IDTR on darwin.
643 * @param pGdtr Where to store the 64-bit GDTR.
644 * @param pIdtr Where to store the 64-bit IDTR.
645 */
646DECLASM(void) hwaccmR0Get64bitGDTRandIDTR(PX86XDTR64 pGdtr, PX86XDTR64 pIdtr);
647
648/**
649 * Gets 64-bit CR3 on darwin.
650 * @returns CR3
651 */
652DECLASM(uint64_t) hwaccmR0Get64bitCR3(void);
653# endif
654
655#endif /* IN_RING0 */
656
657/** @} */
658
659__END_DECLS
660
661#endif
662
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