VirtualBox

source: vbox/trunk/src/VBox/VMM/include/HMInternal.h@ 45276

Last change on this file since 45276 was 45235, checked in by vboxsync, 12 years ago

VMM: Flush page and tlb STAM counter cleanup.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 35.2 KB
Line 
1/* $Id: HMInternal.h 45235 2013-03-28 14:36:52Z vboxsync $ */
2/** @file
3 * HM - Internal header file.
4 */
5
6/*
7 * Copyright (C) 2006-2013 Oracle Corporation
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
18#ifndef ___HMInternal_h
19#define ___HMInternal_h
20
21#include <VBox/cdefs.h>
22#include <VBox/types.h>
23#include <VBox/vmm/em.h>
24#include <VBox/vmm/stam.h>
25#include <VBox/dis.h>
26#include <VBox/vmm/hm.h>
27#include <VBox/vmm/hm_vmx.h>
28#include <VBox/vmm/pgm.h>
29#include <VBox/vmm/cpum.h>
30#include <iprt/memobj.h>
31#include <iprt/cpuset.h>
32#include <iprt/mp.h>
33#include <iprt/avl.h>
34
35#if HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL) || defined (VBOX_WITH_64_BITS_GUESTS)
36/* Enable 64 bits guest support. */
37# define VBOX_ENABLE_64_BITS_GUESTS
38#endif
39
40#ifdef VBOX_WITH_OLD_VTX_CODE
41# define VMX_USE_CACHED_VMCS_ACCESSES
42#elif HC_ARCH_BITS == 32 && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
43# define VMX_USE_CACHED_VMCS_ACCESSES
44#endif
45
46#define HM_VMX_EMULATE_REALMODE
47
48/* The MSR auto load/store does not work for KERNEL_GS_BASE MSR, thus we
49 * handle this MSR manually. See @bugref{6208}. This is clearly visible while
50 * booting Solaris 11 (11.1 b19) VMs with 2 Cpus.
51 *
52 * Note: don't forget to update the assembly files while modifying this!
53 */
54# define VBOX_WITH_AUTO_MSR_LOAD_RESTORE
55
56RT_C_DECLS_BEGIN
57
58
59/** @defgroup grp_hm_int Internal
60 * @ingroup grp_hm
61 * @internal
62 * @{
63 */
64
65
66/** Maximum number of exit reason statistics counters. */
67#define MAX_EXITREASON_STAT 0x100
68#define MASK_EXITREASON_STAT 0xff
69#define MASK_INJECT_IRQ_STAT 0xff
70
71/** @name Changed flags
72 * These flags are used to keep track of which important registers that
73 * have been changed since last they were reset.
74 * @{
75 */
76#ifdef VBOX_WITH_OLD_VTX_CODE
77# define HM_CHANGED_GUEST_FPU RT_BIT(0)
78# define HM_CHANGED_GUEST_CR0 RT_BIT(1)
79# define HM_CHANGED_GUEST_CR3 RT_BIT(2)
80# define HM_CHANGED_GUEST_CR4 RT_BIT(3)
81# define HM_CHANGED_GUEST_GDTR RT_BIT(4)
82# define HM_CHANGED_GUEST_IDTR RT_BIT(5)
83# define HM_CHANGED_GUEST_LDTR RT_BIT(6)
84# define HM_CHANGED_GUEST_TR RT_BIT(7)
85# define HM_CHANGED_GUEST_MSR RT_BIT(8)
86# define HM_CHANGED_GUEST_SEGMENT_REGS RT_BIT(9)
87# define HM_CHANGED_GUEST_DEBUG RT_BIT(10)
88# define HM_CHANGED_HOST_CONTEXT RT_BIT(11)
89# define HM_CHANGED_ALL_GUEST ( HM_CHANGED_GUEST_SEGMENT_REGS \
90 | HM_CHANGED_GUEST_CR0 \
91 | HM_CHANGED_GUEST_CR3 \
92 | HM_CHANGED_GUEST_CR4 \
93 | HM_CHANGED_GUEST_GDTR \
94 | HM_CHANGED_GUEST_IDTR \
95 | HM_CHANGED_GUEST_LDTR \
96 | HM_CHANGED_GUEST_TR \
97 | HM_CHANGED_GUEST_MSR \
98 | HM_CHANGED_GUEST_DEBUG \
99 | HM_CHANGED_GUEST_FPU)
100#else
101# define HM_CHANGED_GUEST_RIP RT_BIT(0)
102# define HM_CHANGED_GUEST_RSP RT_BIT(1)
103# define HM_CHANGED_GUEST_RFLAGS RT_BIT(2)
104# define HM_CHANGED_GUEST_FPU RT_BIT(3)
105# define HM_CHANGED_GUEST_CR0 RT_BIT(4)
106# define HM_CHANGED_GUEST_CR2 RT_BIT(5)
107# define HM_CHANGED_GUEST_CR3 RT_BIT(6)
108# define HM_CHANGED_GUEST_CR4 RT_BIT(7)
109# define HM_CHANGED_GUEST_GDTR RT_BIT(8)
110# define HM_CHANGED_GUEST_IDTR RT_BIT(9)
111# define HM_CHANGED_GUEST_LDTR RT_BIT(10)
112# define HM_CHANGED_GUEST_TR RT_BIT(11)
113# define HM_CHANGED_GUEST_SEGMENT_REGS RT_BIT(12)
114# define HM_CHANGED_GUEST_DEBUG RT_BIT(13)
115# define HM_CHANGED_GUEST_FS_BASE_MSR RT_BIT(14)
116# define HM_CHANGED_GUEST_GS_BASE_MSR RT_BIT(15)
117# define HM_CHANGED_GUEST_SYSENTER_CS_MSR RT_BIT(16)
118# define HM_CHANGED_GUEST_SYSENTER_EIP_MSR RT_BIT(17)
119# define HM_CHANGED_GUEST_SYSENTER_ESP_MSR RT_BIT(18)
120# define HM_CHANGED_GUEST_INTR_STATE RT_BIT(19)
121# define HM_CHANGED_VMX_GUEST_AUTO_MSRS RT_BIT(20)
122# define HM_CHANGED_VMX_GUEST_ACTIVITY_STATE RT_BIT(21)
123# define HM_CHANGED_VMX_GUEST_APIC_STATE RT_BIT(22)
124# define HM_CHANGED_VMX_ENTRY_CTLS RT_BIT(23)
125# define HM_CHANGED_VMX_EXIT_CTLS RT_BIT(24)
126
127# define HM_CHANGED_HOST_CONTEXT RT_BIT(25)
128
129# define HM_CHANGED_ALL_GUEST ( HM_CHANGED_GUEST_RIP \
130 | HM_CHANGED_GUEST_RSP \
131 | HM_CHANGED_GUEST_RFLAGS \
132 | HM_CHANGED_GUEST_FPU \
133 | HM_CHANGED_GUEST_CR0 \
134 | HM_CHANGED_GUEST_CR2 \
135 | HM_CHANGED_GUEST_CR3 \
136 | HM_CHANGED_GUEST_CR4 \
137 | HM_CHANGED_GUEST_GDTR \
138 | HM_CHANGED_GUEST_IDTR \
139 | HM_CHANGED_GUEST_LDTR \
140 | HM_CHANGED_GUEST_TR \
141 | HM_CHANGED_GUEST_SEGMENT_REGS \
142 | HM_CHANGED_GUEST_DEBUG \
143 | HM_CHANGED_GUEST_FS_BASE_MSR \
144 | HM_CHANGED_GUEST_GS_BASE_MSR \
145 | HM_CHANGED_GUEST_SYSENTER_CS_MSR \
146 | HM_CHANGED_GUEST_SYSENTER_EIP_MSR \
147 | HM_CHANGED_GUEST_SYSENTER_ESP_MSR \
148 | HM_CHANGED_GUEST_INTR_STATE \
149 | HM_CHANGED_VMX_GUEST_AUTO_MSRS \
150 | HM_CHANGED_VMX_GUEST_ACTIVITY_STATE \
151 | HM_CHANGED_VMX_GUEST_APIC_STATE \
152 | HM_CHANGED_VMX_ENTRY_CTLS \
153 | HM_CHANGED_VMX_EXIT_CTLS)
154#endif
155
156#define HM_CHANGED_ALL (HM_CHANGED_ALL_GUEST | HM_CHANGED_HOST_CONTEXT)
157/** @} */
158
159/** Maximum number of page flushes we are willing to remember before considering a full TLB flush. */
160#define HM_MAX_TLB_SHOOTDOWN_PAGES 8
161
162/** Size for the EPT identity page table (1024 4 MB pages to cover the entire address space). */
163#define HM_EPT_IDENTITY_PG_TABLE_SIZE PAGE_SIZE
164/** Size of the TSS structure + 2 pages for the IO bitmap + end byte. */
165#define HM_VTX_TSS_SIZE (sizeof(VBOXTSS) + 2 * PAGE_SIZE + 1)
166/** Total guest mapped memory needed. */
167#define HM_VTX_TOTAL_DEVHEAP_MEM (HM_EPT_IDENTITY_PG_TABLE_SIZE + HM_VTX_TSS_SIZE)
168
169/** Enable for TPR guest patching. */
170#define VBOX_HM_WITH_GUEST_PATCHING
171
172/** HM SSM version
173 */
174#ifdef VBOX_HM_WITH_GUEST_PATCHING
175# define HM_SSM_VERSION 5
176# define HM_SSM_VERSION_NO_PATCHING 4
177#else
178# define HM_SSM_VERSION 4
179# define HM_SSM_VERSION_NO_PATCHING 4
180#endif
181#define HM_SSM_VERSION_2_0_X 3
182
183/**
184 * Global per-cpu information. (host)
185 */
186typedef struct HMGLOBLCPUINFO
187{
188 /** The CPU ID. */
189 RTCPUID idCpu;
190 /** The memory object */
191 RTR0MEMOBJ hMemObj;
192 /** Current ASID (AMD-V) / VPID (Intel). */
193 uint32_t uCurrentAsid;
194 /** TLB flush count. */
195 uint32_t cTlbFlushes;
196 /** Whether to flush each new ASID/VPID before use. */
197 bool fFlushAsidBeforeUse;
198 /** Configured for VT-x or AMD-V. */
199 bool fConfigured;
200 /** Set if the VBOX_HWVIRTEX_IGNORE_SVM_IN_USE hack is active. */
201 bool fIgnoreAMDVInUseError;
202 /** In use by our code. (for power suspend) */
203 volatile bool fInUse;
204} HMGLOBLCPUINFO;
205/** Pointer to the per-cpu global information. */
206typedef HMGLOBLCPUINFO *PHMGLOBLCPUINFO;
207
208typedef enum
209{
210 HMPENDINGIO_INVALID = 0,
211 HMPENDINGIO_PORT_READ,
212 HMPENDINGIO_PORT_WRITE,
213 HMPENDINGIO_STRING_READ,
214 HMPENDINGIO_STRING_WRITE,
215 /** The usual 32-bit paranoia. */
216 HMPENDINGIO_32BIT_HACK = 0x7fffffff
217} HMPENDINGIO;
218
219
220typedef enum
221{
222 HMTPRINSTR_INVALID,
223 HMTPRINSTR_READ,
224 HMTPRINSTR_READ_SHR4,
225 HMTPRINSTR_WRITE_REG,
226 HMTPRINSTR_WRITE_IMM,
227 HMTPRINSTR_JUMP_REPLACEMENT,
228 /** The usual 32-bit paranoia. */
229 HMTPRINSTR_32BIT_HACK = 0x7fffffff
230} HMTPRINSTR;
231
232typedef struct
233{
234 /** The key is the address of patched instruction. (32 bits GC ptr) */
235 AVLOU32NODECORE Core;
236 /** Original opcode. */
237 uint8_t aOpcode[16];
238 /** Instruction size. */
239 uint32_t cbOp;
240 /** Replacement opcode. */
241 uint8_t aNewOpcode[16];
242 /** Replacement instruction size. */
243 uint32_t cbNewOp;
244 /** Instruction type. */
245 HMTPRINSTR enmType;
246 /** Source operand. */
247 uint32_t uSrcOperand;
248 /** Destination operand. */
249 uint32_t uDstOperand;
250 /** Number of times the instruction caused a fault. */
251 uint32_t cFaults;
252 /** Patch address of the jump replacement. */
253 RTGCPTR32 pJumpTarget;
254} HMTPRPATCH;
255/** Pointer to HMTPRPATCH. */
256typedef HMTPRPATCH *PHMTPRPATCH;
257
258/**
259 * Switcher function, HC to RC.
260 *
261 * @param pVM Pointer to the VM.
262 * @param uOffsetVMCPU VMCPU offset from pVM
263 * @returns Return code indicating the action to take.
264 */
265typedef DECLCALLBACK (int) FNHMSWITCHERHC(PVM pVM, uint32_t uOffsetVMCPU);
266/** Pointer to switcher function. */
267typedef FNHMSWITCHERHC *PFNHMSWITCHERHC;
268
269/**
270 * HM VM Instance data.
271 * Changes to this must checked against the padding of the hm union in VM!
272 */
273typedef struct HM
274{
275 /** Set when we've initialized VMX or SVM. */
276 bool fInitialized;
277
278 /** Set when hardware acceleration is allowed. */
279 bool fAllowed;
280
281 /** Set if nested paging is enabled. */
282 bool fNestedPaging;
283
284 /** Set if nested paging is allowed. */
285 bool fAllowNestedPaging;
286
287 /** Set if large pages are enabled (requires nested paging). */
288 bool fLargePages;
289
290 /** Set if we can support 64-bit guests or not. */
291 bool fAllow64BitGuests;
292
293 /** Set if an IO-APIC is configured for this VM. */
294 bool fHasIoApic;
295
296 /** Set when TPR patching is allowed. */
297 bool fTRPPatchingAllowed;
298
299 /** Set when we initialize VT-x or AMD-V once for all CPUs. */
300 bool fGlobalInit;
301
302 /** Set when TPR patching is active. */
303 bool fTPRPatchingActive;
304 bool u8Alignment[6];
305
306 /** And mask for copying register contents. */
307 uint64_t u64RegisterMask;
308
309 /** Maximum ASID allowed. */
310 uint32_t uMaxAsid;
311
312 /** The maximum number of resumes loops allowed in ring-0 (safety precaution).
313 * This number is set much higher when RTThreadPreemptIsPending is reliable. */
314 uint32_t cMaxResumeLoops;
315
316 /** Guest allocated memory for patching purposes. */
317 RTGCPTR pGuestPatchMem;
318 /** Current free pointer inside the patch block. */
319 RTGCPTR pFreeGuestPatchMem;
320 /** Size of the guest patch memory block. */
321 uint32_t cbGuestPatchMem;
322 uint32_t uPadding1;
323
324#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
325 /** 32 to 64 bits switcher entrypoint. */
326 R0PTRTYPE(PFNHMSWITCHERHC) pfnHost32ToGuest64R0;
327
328 /* AMD-V 64 bits vmrun handler */
329 RTRCPTR pfnSVMGCVMRun64;
330
331 /* VT-x 64 bits vmlaunch handler */
332 RTRCPTR pfnVMXGCStartVM64;
333
334 /* RC handler to setup the 64 bits FPU state. */
335 RTRCPTR pfnSaveGuestFPU64;
336
337 /* RC handler to setup the 64 bits debug state. */
338 RTRCPTR pfnSaveGuestDebug64;
339
340 /* Test handler */
341 RTRCPTR pfnTest64;
342
343 RTRCPTR uAlignment[2];
344/*#elif defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
345 uint32_t u32Alignment[1]; */
346#endif
347
348 struct
349 {
350 /** Set by the ring-0 side of HM to indicate VMX is supported by the
351 * CPU. */
352 bool fSupported;
353
354 /** Set when we've enabled VMX. */
355 bool fEnabled;
356
357 /** Set if VPID is supported. */
358 bool fVpid;
359
360 /** Set if VT-x VPID is allowed. */
361 bool fAllowVpid;
362
363 /** Set if unrestricted guest execution is allowed (real and protected mode without paging). */
364 bool fUnrestrictedGuest;
365
366 /** Whether we're using the preemption timer or not. */
367 bool fUsePreemptTimer;
368 /** The shift mask employed by the VMX-Preemption timer. */
369 uint8_t cPreemptTimerShift;
370
371 bool uAlignment[1];
372
373 /** Virtual address of the TSS page used for real mode emulation. */
374 R3PTRTYPE(PVBOXTSS) pRealModeTSS;
375
376 /** Virtual address of the identity page table used for real mode and protected mode without paging emulation in EPT mode. */
377 R3PTRTYPE(PX86PD) pNonPagingModeEPTPageTable;
378
379 /** R0 memory object for the APIC-access page. */
380 RTR0MEMOBJ hMemObjApicAccess;
381 /** Physical address of the APIC-access page. */
382 RTHCPHYS HCPhysApicAccess;
383 /** Virtual address of the APIC-access page. */
384 R0PTRTYPE(uint8_t *) pbApicAccess;
385
386#ifdef VBOX_WITH_CRASHDUMP_MAGIC
387 RTR0MEMOBJ hMemObjScratch;
388 RTHCPHYS HCPhysScratch;
389 R0PTRTYPE(uint8_t *) pbScratch;
390#endif
391 /** Ring 0 handlers for VT-x. */
392 DECLR0CALLBACKMEMBER(void, pfnFlushTaggedTlb, (PVM pVM, PVMCPU pVCpu));
393
394#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS)
395 uint32_t u32Alignment;
396#endif
397 /** Host CR4 value (set by ring-0 VMX init) */
398 uint64_t hostCR4;
399
400 /** Host EFER value (set by ring-0 VMX init) */
401 uint64_t hostEFER;
402
403 /** VMX MSR values */
404 struct
405 {
406 uint64_t feature_ctrl;
407 uint64_t vmx_basic_info;
408 VMX_CAPABILITY vmx_pin_ctls;
409 VMX_CAPABILITY vmx_proc_ctls;
410 VMX_CAPABILITY vmx_proc_ctls2;
411 VMX_CAPABILITY vmx_exit;
412 VMX_CAPABILITY vmx_entry;
413 uint64_t vmx_misc;
414 uint64_t vmx_cr0_fixed0;
415 uint64_t vmx_cr0_fixed1;
416 uint64_t vmx_cr4_fixed0;
417 uint64_t vmx_cr4_fixed1;
418 uint64_t vmx_vmcs_enum;
419 uint64_t vmx_ept_vpid_caps;
420 } msr;
421
422 /** Flush types for invept & invvpid; they depend on capabilities. */
423 VMX_FLUSH_EPT enmFlushEpt;
424 VMX_FLUSH_VPID enmFlushVpid;
425 } vmx;
426
427 struct
428 {
429 /** Set by the ring-0 side of HM to indicate SVM is supported by the
430 * CPU. */
431 bool fSupported;
432 /** Set when we've enabled SVM. */
433 bool fEnabled;
434 /** Set if erratum 170 affects the AMD cpu. */
435 bool fAlwaysFlushTLB;
436 /** Set when the hack to ignore VERR_SVM_IN_USE is active. */
437 bool fIgnoreInUseError;
438
439 /** R0 memory object for the IO bitmap (12kb). */
440 RTR0MEMOBJ hMemObjIOBitmap;
441 /** Physical address of the IO bitmap (12kb). */
442 RTHCPHYS HCPhysIOBitmap;
443 /** Virtual address of the IO bitmap. */
444 R0PTRTYPE(void *) pvIOBitmap;
445
446 /* HWCR MSR (for diagnostics) */
447 uint64_t msrHwcr;
448
449 /** SVM revision. */
450 uint32_t u32Rev;
451
452 /** SVM feature bits from cpuid 0x8000000a */
453 uint32_t u32Features;
454 } svm;
455
456 /**
457 * AVL tree with all patches (active or disabled) sorted by guest instruction address
458 */
459 AVLOU32TREE PatchTree;
460 uint32_t cPatches;
461 HMTPRPATCH aPatches[64];
462
463 struct
464 {
465 uint32_t u32AMDFeatureECX;
466 uint32_t u32AMDFeatureEDX;
467 } cpuid;
468
469 /** Saved error from detection */
470 int32_t lLastError;
471
472 /** HMR0Init was run */
473 bool fHMR0Init;
474 bool u8Alignment1[7];
475
476 STAMCOUNTER StatTprPatchSuccess;
477 STAMCOUNTER StatTprPatchFailure;
478 STAMCOUNTER StatTprReplaceSuccess;
479 STAMCOUNTER StatTprReplaceFailure;
480} HM;
481/** Pointer to HM VM instance data. */
482typedef HM *PHM;
483
484/* Maximum number of cached entries. */
485#define VMCSCACHE_MAX_ENTRY 128
486
487/* Structure for storing read and write VMCS actions. */
488typedef struct VMCSCACHE
489{
490#ifdef VBOX_WITH_CRASHDUMP_MAGIC
491 /* Magic marker for searching in crash dumps. */
492 uint8_t aMagic[16];
493 uint64_t uMagic;
494 uint64_t u64TimeEntry;
495 uint64_t u64TimeSwitch;
496 uint64_t cResume;
497 uint64_t interPD;
498 uint64_t pSwitcher;
499 uint32_t uPos;
500 uint32_t idCpu;
501#endif
502 /* CR2 is saved here for EPT syncing. */
503 uint64_t cr2;
504 struct
505 {
506 uint32_t cValidEntries;
507 uint32_t uAlignment;
508 uint32_t aField[VMCSCACHE_MAX_ENTRY];
509 uint64_t aFieldVal[VMCSCACHE_MAX_ENTRY];
510 } Write;
511 struct
512 {
513 uint32_t cValidEntries;
514 uint32_t uAlignment;
515 uint32_t aField[VMCSCACHE_MAX_ENTRY];
516 uint64_t aFieldVal[VMCSCACHE_MAX_ENTRY];
517 } Read;
518#ifdef DEBUG
519 struct
520 {
521 RTHCPHYS HCPhysCpuPage;
522 RTHCPHYS HCPhysVmcs;
523 RTGCPTR pCache;
524 RTGCPTR pCtx;
525 } TestIn;
526 struct
527 {
528 RTHCPHYS HCPhysVmcs;
529 RTGCPTR pCache;
530 RTGCPTR pCtx;
531 uint64_t eflags;
532 uint64_t cr8;
533 } TestOut;
534 struct
535 {
536 uint64_t param1;
537 uint64_t param2;
538 uint64_t param3;
539 uint64_t param4;
540 } ScratchPad;
541#endif
542} VMCSCACHE;
543/** Pointer to VMCSCACHE. */
544typedef VMCSCACHE *PVMCSCACHE;
545
546/** VMX StartVM function. */
547typedef DECLCALLBACK(int) FNHMVMXSTARTVM(RTHCUINT fResume, PCPUMCTX pCtx, PVMCSCACHE pCache, PVM pVM, PVMCPU pVCpu);
548/** Pointer to a VMX StartVM function. */
549typedef R0PTRTYPE(FNHMVMXSTARTVM *) PFNHMVMXSTARTVM;
550
551/** SVM VMRun function. */
552typedef DECLCALLBACK(int) FNHMSVMVMRUN(RTHCPHYS pVMCBHostPhys, RTHCPHYS pVMCBPhys, PCPUMCTX pCtx, PVM pVM, PVMCPU pVCpu);
553/** Pointer to a SVM VMRun function. */
554typedef R0PTRTYPE(FNHMSVMVMRUN *) PFNHMSVMVMRUN;
555
556/**
557 * HM VMCPU Instance data.
558 */
559typedef struct HMCPU
560{
561 /** Old style FPU reporting trap mask override performed (optimization) */
562 bool fFPUOldStyleOverride;
563 /** Set if we don't have to flush the TLB on VM entry. */
564 bool fResumeVM;
565 /** Set if we need to flush the TLB during the world switch. */
566 bool fForceTLBFlush;
567 /** Set when we're using VT-x or AMD-V at that moment. */
568 bool fActive;
569 /** Set when the TLB has been checked until we return from the world switch. */
570 volatile bool fCheckedTLBFlush;
571 uint8_t u8Alignment[3];
572
573 /** World switch exit counter. */
574 volatile uint32_t cWorldSwitchExits;
575 /** HM_CHANGED_* flags. */
576 uint32_t fContextUseFlags;
577 /** Id of the last cpu we were executing code on (NIL_RTCPUID for the first time) */
578 RTCPUID idLastCpu;
579 /** TLB flush count */
580 uint32_t cTlbFlushes;
581 /** Current ASID in use by the VM */
582 uint32_t uCurrentAsid;
583 uint32_t u32Alignment;
584
585 /* Host's TSC_AUX MSR (used when RDTSCP doesn't cause VM-exits). */
586 uint64_t u64HostTscAux;
587
588 struct
589 {
590 /** Physical address of the VM control structure (VMCS). */
591 RTHCPHYS HCPhysVmcs;
592 /** R0 memory object for the VM control structure (VMCS). */
593 RTR0MEMOBJ hMemObjVmcs;
594 /** Virtual address of the VM control structure (VMCS). */
595 R0PTRTYPE(void *) pvVmcs;
596 /** Ring 0 handlers for VT-x. */
597 PFNHMVMXSTARTVM pfnStartVM;
598#if HC_ARCH_BITS == 32
599 uint32_t u32Alignment1;
600#endif
601
602 /** Current VMX_VMCS32_CTRL_PIN_EXEC_CONTROLS. */
603 uint32_t u32PinCtls;
604 /** Current VMX_VMCS32_CTRL_PROC_EXEC_CONTROLS. */
605 uint32_t u32ProcCtls;
606 /** Current VMX_VMCS32_CTRL_PROC_EXEC2_CONTROLS. */
607 uint32_t u32ProcCtls2;
608 /** Current VMX_VMCS32_CTRL_EXIT_CONTROLS. */
609 uint32_t u32ExitCtls;
610 /** Current VMX_VMCS32_CTRL_ENTRY_CONTROLS. */
611 uint32_t u32EntryCtls;
612 /** Physical address of the virtual APIC page for TPR caching. */
613 RTHCPHYS HCPhysVirtApic;
614 /** R0 memory object for the virtual APIC page for TPR caching. */
615 RTR0MEMOBJ hMemObjVirtApic;
616 /** Virtual address of the virtual APIC page for TPR caching. */
617 R0PTRTYPE(uint8_t *) pbVirtApic;
618#if HC_ARCH_BITS == 32
619 uint32_t u32Alignment2;
620#endif
621
622 /** Current CR0 mask. */
623 uint64_t cr0_mask;
624 /** Current CR4 mask. */
625 uint64_t cr4_mask;
626 /** Current exception bitmap. */
627 uint32_t u32XcptBitmap;
628 /** The updated-guest-state mask. */
629 uint32_t fUpdatedGuestState;
630 /** Current EPTP. */
631 RTHCPHYS GCPhysEPTP;
632
633 /** Physical address of the MSR bitmap. */
634 RTHCPHYS HCPhysMsrBitmap;
635 /** R0 memory object for the MSR bitmap. */
636 RTR0MEMOBJ hMemObjMsrBitmap;
637 /** Virtual address of the MSR bitmap. */
638 R0PTRTYPE(void *) pvMsrBitmap;
639
640#ifdef VBOX_WITH_AUTO_MSR_LOAD_RESTORE
641 /** Physical address of the VM-entry MSR-load and VM-exit MSR-store area (used
642 * for guest MSRs). */
643 RTHCPHYS HCPhysGuestMsr;
644 /** R0 memory object of the VM-entry MSR-load and VM-exit MSR-store area
645 * (used for guest MSRs). */
646 RTR0MEMOBJ hMemObjGuestMsr;
647 /** Virtual address of the VM-entry MSR-load and VM-exit MSR-store area (used
648 * for guest MSRs). */
649 R0PTRTYPE(void *) pvGuestMsr;
650
651 /** Physical address of the VM-exit MSR-load area (used for host MSRs). */
652 RTHCPHYS HCPhysHostMsr;
653 /** R0 memory object for the VM-exit MSR-load area (used for host MSRs). */
654 RTR0MEMOBJ hMemObjHostMsr;
655 /** Virtual address of the VM-exit MSR-load area (used for host MSRs). */
656 R0PTRTYPE(void *) pvHostMsr;
657
658 /* Number of automatically loaded/restored guest MSRs during the world switch. */
659 uint32_t cGuestMsrs;
660 uint32_t uAlignment;
661#endif /* VBOX_WITH_AUTO_MSR_LOAD_RESTORE */
662
663 /* The cached APIC-base MSR used for identifying when to map the HC physical APIC-access page. */
664 uint64_t u64MsrApicBase;
665 /* Last use TSC offset value. (cached) */
666 uint64_t u64TSCOffset;
667 /** VMCS cache. */
668 VMCSCACHE VMCSCache;
669
670 /** Real-mode emulation state. */
671 struct
672 {
673 X86DESCATTR uAttrCS;
674 X86DESCATTR uAttrDS;
675 X86DESCATTR uAttrES;
676 X86DESCATTR uAttrFS;
677 X86DESCATTR uAttrGS;
678 X86DESCATTR uAttrSS;
679 X86EFLAGS eflags;
680 uint32_t fRealOnV86Active;
681 } RealMode;
682
683 struct
684 {
685 uint64_t u64VMCSPhys;
686 uint32_t u32VMCSRevision;
687 uint32_t u32InstrError;
688 uint32_t u32ExitReason;
689 RTCPUID idEnteredCpu;
690 RTCPUID idCurrentCpu;
691 uint32_t padding;
692 } lasterror;
693
694 /** The last seen guest paging mode (by VT-x). */
695 PGMMODE enmLastSeenGuestMode;
696 /** Current guest paging mode (as seen by HMR3PagingModeChanged). */
697 PGMMODE enmCurrGuestMode;
698 /** Previous guest paging mode (as seen by HMR3PagingModeChanged). */
699 PGMMODE enmPrevGuestMode;
700 } vmx;
701
702 struct
703 {
704 /** R0 memory object for the host VM control block (VMCB). */
705 RTR0MEMOBJ hMemObjVMCBHost;
706 /** Physical address of the host VM control block (VMCB). */
707 RTHCPHYS HCPhysVMCBHost;
708 /** Virtual address of the host VM control block (VMCB). */
709 R0PTRTYPE(void *) pvVMCBHost;
710
711 /** R0 memory object for the VM control block (VMCB). */
712 RTR0MEMOBJ hMemObjVMCB;
713 /** Physical address of the VM control block (VMCB). */
714 RTHCPHYS HCPhysVMCB;
715 /** Virtual address of the VM control block (VMCB). */
716 R0PTRTYPE(void *) pvVMCB;
717
718 /** Ring 0 handlers for VT-x. */
719 PFNHMSVMVMRUN pfnVMRun;
720
721 /** R0 memory object for the MSR bitmap (8kb). */
722 RTR0MEMOBJ hMemObjMsrBitmap;
723 /** Physical address of the MSR bitmap (8kb). */
724 RTHCPHYS HCPhysMsrBitmap;
725 /** Virtual address of the MSR bitmap. */
726 R0PTRTYPE(void *) pvMsrBitmap;
727 } svm;
728
729 /** Event injection state. */
730 struct
731 {
732 uint32_t fPending;
733 uint32_t u32ErrCode;
734 uint64_t u64IntrInfo;
735 } Event;
736
737 /** IO Block emulation state. */
738 struct
739 {
740 bool fEnabled;
741 uint8_t u8Align[7];
742
743 /** RIP at the start of the io code we wish to emulate in the recompiler. */
744 RTGCPTR GCPtrFunctionEip;
745
746 uint64_t cr0;
747 } EmulateIoBlock;
748
749 struct
750 {
751 /* Pending IO operation type. */
752 HMPENDINGIO enmType;
753 uint32_t uPadding;
754 RTGCPTR GCPtrRip;
755 RTGCPTR GCPtrRipNext;
756 union
757 {
758 struct
759 {
760 unsigned uPort;
761 unsigned uAndVal;
762 unsigned cbSize;
763 } Port;
764 uint64_t aRaw[2];
765 } s;
766 } PendingIO;
767
768 /** The PAE PDPEs used with Nested Paging (only valid when
769 * VMCPU_FF_HM_UPDATE_PAE_PDPES is set). */
770 X86PDPE aPdpes[4];
771
772 /** Current shadow paging mode. */
773 PGMMODE enmShadowMode;
774
775 /** The CPU ID of the CPU currently owning the VMCS. Set in
776 * HMR0Enter and cleared in HMR0Leave. */
777 RTCPUID idEnteredCpu;
778
779 /** To keep track of pending TLB shootdown pages. (SMP guest only) */
780 struct
781 {
782 RTGCPTR aPages[HM_MAX_TLB_SHOOTDOWN_PAGES];
783 unsigned cPages;
784 } TlbShootdown;
785
786 /** For saving stack space, the disassembler state is allocated here instead of
787 * on the stack. */
788 DISCPUSTATE DisState;
789
790 uint32_t padding2[1];
791
792 STAMPROFILEADV StatEntry;
793 STAMPROFILEADV StatExit1;
794 STAMPROFILEADV StatExit2;
795#if 1 /* temporary for tracking down darwin issues. */
796 STAMPROFILEADV StatExit2Sub1;
797 STAMPROFILEADV StatExit2Sub2;
798 STAMPROFILEADV StatExit2Sub3;
799#endif
800 STAMPROFILEADV StatInGC;
801
802#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
803 STAMPROFILEADV StatWorldSwitch3264;
804#endif
805 STAMPROFILEADV StatPoke;
806 STAMPROFILEADV StatSpinPoke;
807 STAMPROFILEADV StatSpinPokeFailed;
808
809 STAMCOUNTER StatIntInject;
810
811 STAMCOUNTER StatExitShadowNM;
812 STAMCOUNTER StatExitGuestNM;
813 STAMCOUNTER StatExitShadowPF; /* Misleading, currently used for MMIO #PFs as well. */
814 STAMCOUNTER StatExitShadowPFEM;
815 STAMCOUNTER StatExitGuestPF;
816 STAMCOUNTER StatExitGuestUD;
817 STAMCOUNTER StatExitGuestSS;
818 STAMCOUNTER StatExitGuestNP;
819 STAMCOUNTER StatExitGuestGP;
820 STAMCOUNTER StatExitGuestDE;
821 STAMCOUNTER StatExitGuestDB;
822 STAMCOUNTER StatExitGuestMF;
823 STAMCOUNTER StatExitGuestBP;
824 STAMCOUNTER StatExitGuestXF;
825 STAMCOUNTER StatExitGuestXcpUnk;
826 STAMCOUNTER StatExitInvlpg;
827 STAMCOUNTER StatExitInvd;
828 STAMCOUNTER StatExitWbinvd;
829 STAMCOUNTER StatExitPause;
830 STAMCOUNTER StatExitCpuid;
831 STAMCOUNTER StatExitRdtsc;
832 STAMCOUNTER StatExitRdtscp;
833 STAMCOUNTER StatExitRdpmc;
834 STAMCOUNTER StatExitRdrand;
835 STAMCOUNTER StatExitCli;
836 STAMCOUNTER StatExitSti;
837 STAMCOUNTER StatExitPushf;
838 STAMCOUNTER StatExitPopf;
839 STAMCOUNTER StatExitIret;
840 STAMCOUNTER StatExitInt;
841 STAMCOUNTER StatExitCRxWrite[16];
842 STAMCOUNTER StatExitCRxRead[16];
843 STAMCOUNTER StatExitDRxWrite;
844 STAMCOUNTER StatExitDRxRead;
845 STAMCOUNTER StatExitRdmsr;
846 STAMCOUNTER StatExitWrmsr;
847 STAMCOUNTER StatExitClts;
848 STAMCOUNTER StatExitXdtrAccess;
849 STAMCOUNTER StatExitHlt;
850 STAMCOUNTER StatExitMwait;
851 STAMCOUNTER StatExitMonitor;
852 STAMCOUNTER StatExitLmsw;
853 STAMCOUNTER StatExitIOWrite;
854 STAMCOUNTER StatExitIORead;
855 STAMCOUNTER StatExitIOStringWrite;
856 STAMCOUNTER StatExitIOStringRead;
857 STAMCOUNTER StatExitIntWindow;
858 STAMCOUNTER StatExitMaxResume;
859 STAMCOUNTER StatExitPreemptPending;
860 STAMCOUNTER StatExitPreemptTimer;
861 STAMCOUNTER StatExitTprBelowThreshold;
862 STAMCOUNTER StatExitTaskSwitch;
863 STAMCOUNTER StatExitMtf;
864 STAMCOUNTER StatExitApicAccess;
865 STAMCOUNTER StatIntReinject;
866 STAMCOUNTER StatPendingHostIrq;
867
868 STAMCOUNTER StatFlushPage;
869 STAMCOUNTER StatFlushPageManual;
870 STAMCOUNTER StatFlushPhysPageManual;
871 STAMCOUNTER StatFlushTlb;
872 STAMCOUNTER StatFlushTlbManual;
873 STAMCOUNTER StatFlushTlbWorldSwitch;
874 STAMCOUNTER StatNoFlushTlbWorldSwitch;
875 STAMCOUNTER StatFlushAsid;
876 STAMCOUNTER StatFlushNestedPaging;
877 STAMCOUNTER StatFlushTlbInvlpgVirt;
878 STAMCOUNTER StatFlushTlbInvlpgPhys;
879 STAMCOUNTER StatTlbShootdown;
880 STAMCOUNTER StatTlbShootdownFlush;
881
882 STAMCOUNTER StatSwitchGuestIrq;
883 STAMCOUNTER StatSwitchHmToR3FF;
884 STAMCOUNTER StatSwitchToR3;
885
886 STAMCOUNTER StatTscOffset;
887 STAMCOUNTER StatTscIntercept;
888 STAMCOUNTER StatTscInterceptOverFlow;
889
890 STAMCOUNTER StatExitReasonNpf;
891 STAMCOUNTER StatDRxArmed;
892 STAMCOUNTER StatDRxContextSwitch;
893 STAMCOUNTER StatDRxIoCheck;
894
895 STAMCOUNTER StatLoadMinimal;
896 STAMCOUNTER StatLoadFull;
897
898#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
899 STAMCOUNTER StatFpu64SwitchBack;
900 STAMCOUNTER StatDebug64SwitchBack;
901#endif
902
903#ifdef VBOX_WITH_STATISTICS
904 R3PTRTYPE(PSTAMCOUNTER) paStatExitReason;
905 R0PTRTYPE(PSTAMCOUNTER) paStatExitReasonR0;
906 R3PTRTYPE(PSTAMCOUNTER) paStatInjectedIrqs;
907 R0PTRTYPE(PSTAMCOUNTER) paStatInjectedIrqsR0;
908#endif
909} HMCPU;
910/** Pointer to HM VM instance data. */
911typedef HMCPU *PHMCPU;
912
913
914#ifdef IN_RING0
915
916VMMR0DECL(PHMGLOBLCPUINFO) HMR0GetCurrentCpu(void);
917VMMR0DECL(PHMGLOBLCPUINFO) HMR0GetCurrentCpuEx(RTCPUID idCpu);
918
919
920#ifdef VBOX_STRICT
921VMMR0DECL(void) HMDumpRegs(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
922VMMR0DECL(void) HMR0DumpDescriptor(PCX86DESCHC pDesc, RTSEL Sel, const char *pszMsg);
923#else
924# define HMDumpRegs(a, b ,c) do { } while (0)
925# define HMR0DumpDescriptor(a, b, c) do { } while (0)
926#endif
927
928# ifdef VBOX_WITH_KERNEL_USING_XMM
929DECLASM(int) hmR0VMXStartVMWrapXMM(RTHCUINT fResume, PCPUMCTX pCtx, PVMCSCACHE pCache, PVM pVM, PVMCPU pVCpu, PFNHMVMXSTARTVM pfnStartVM);
930DECLASM(int) hmR0SVMRunWrapXMM(RTHCPHYS pVMCBHostPhys, RTHCPHYS pVMCBPhys, PCPUMCTX pCtx, PVM pVM, PVMCPU pVCpu, PFNHMSVMVMRUN pfnVMRun);
931# endif
932
933# ifdef VBOX_WITH_HYBRID_32BIT_KERNEL
934/**
935 * Gets 64-bit GDTR and IDTR on darwin.
936 * @param pGdtr Where to store the 64-bit GDTR.
937 * @param pIdtr Where to store the 64-bit IDTR.
938 */
939DECLASM(void) hmR0Get64bitGdtrAndIdtr(PX86XDTR64 pGdtr, PX86XDTR64 pIdtr);
940
941/**
942 * Gets 64-bit CR3 on darwin.
943 * @returns CR3
944 */
945DECLASM(uint64_t) hmR0Get64bitCR3(void);
946# endif
947
948#endif /* IN_RING0 */
949
950/** @} */
951
952RT_C_DECLS_END
953
954#endif
955
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette