HWACCMInternal.h@ 19992

Last change on this file since 19992 was 19992, checked in by vboxsync, 15 years ago
Started with TPR caching for 32 bits guest (VT-x only).
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 26.4 KB

Line
1	/* $Id: HWACCMInternal.h 19992 2009-05-25 11:31:23Z 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	/** Maximum number of page flushes we are willing to remember before considering a full TLB flush. */
126	#define HWACCM_MAX_TLB_SHOOTDOWN_PAGES 8
127
128	/** Size for the EPT identity page table (1024 4 MB pages to cover the entire address space). */
129	#define HWACCM_EPT_IDENTITY_PG_TABLE_SIZE PAGE_SIZE
130	/** Size of the TSS structure + 2 pages for the IO bitmap + end byte. */
131	#define HWACCM_VTX_TSS_SIZE (sizeof(VBOXTSS) + 2*PAGE_SIZE + 1)
132	/** Total guest mapped memory needed. */
133	#define HWACCM_VTX_TOTAL_DEVHEAP_MEM (HWACCM_EPT_IDENTITY_PG_TABLE_SIZE + HWACCM_VTX_TSS_SIZE)
134
135	/** HWACCM SSM version
136	*/
137	#define HWACCM_SSM_VERSION 4
138	#define HWACCM_SSM_VERSION_2_0_X 3
139
140	/* Per-cpu information. (host) */
141	typedef struct
142	{
143	RTCPUID idCpu;
144
145	RTR0MEMOBJ pMemObj;
146	/* Current ASID (AMD-V)/VPID (Intel) */
147	uint32_t uCurrentASID;
148	/* TLB flush count */
149	uint32_t cTLBFlushes;
150
151	/* Set the first time a cpu is used to make sure we start with a clean TLB. */
152	bool fFlushTLB;
153
154	/** Configured for VT-x or AMD-V. */
155	bool fConfigured;
156
157	/** In use by our code. (for power suspend) */
158	volatile bool fInUse;
159	} HWACCM_CPUINFO;
160	typedef HWACCM_CPUINFO *PHWACCM_CPUINFO;
161
162	/* VT-x capability qword. */
163	typedef union
164	{
165	struct
166	{
167	uint32_t disallowed0;
168	uint32_t allowed1;
169	} n;
170	uint64_t u;
171	} VMX_CAPABILITY;
172
173	/**
174	* Switcher function, HC to RC.
175	*
176	* @param pVM The VM handle.
177	* @returns Return code indicating the action to take.
178	*/
179	typedef DECLASMTYPE(int) FNHWACCMSWITCHERHC(PVM pVM);
180	/** Pointer to switcher function. */
181	typedef FNHWACCMSWITCHERHC *PFNHWACCMSWITCHERHC;
182
183	/**
184	* HWACCM VM Instance data.
185	* Changes to this must checked against the padding of the cfgm union in VM!
186	*/
187	typedef struct HWACCM
188	{
189	/** Set when we've initialized VMX or SVM. */
190	bool fInitialized;
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[2];
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	/* Test handler */
234	RTRCPTR pfnTest64;
235
236	RTRCPTR uAlignment[1];
237	#elif defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
238	uint32_t u32Alignment[1];
239	#endif
240
241	struct
242	{
243	/** Set by the ring-0 driver to indicate VMX is supported by the CPU. */
244	bool fSupported;
245
246	/** Set when we've enabled VMX. */
247	bool fEnabled;
248
249	/** Set if VPID is supported. */
250	bool fVPID;
251
252	/** Set if VT-x VPID is allowed. */
253	bool fAllowVPID;
254
255	/** Virtual address of the TSS page used for real mode emulation. */
256	R3PTRTYPE(PVBOXTSS) pRealModeTSS;
257
258	/** Virtual address of the identity page table used for real mode and protected mode without paging emulation in EPT mode. */
259	R3PTRTYPE(PX86PD) pNonPagingModeEPTPageTable;
260
261	/** R0 memory object for the APIC physical page (serves for filtering accesses). */
262	RTR0MEMOBJ pMemObjAPIC;
263	/** Physical address of the APIC physical page (serves for filtering accesses). */
264	RTHCPHYS pAPICPhys;
265	/** Virtual address of the APIC physical page (serves for filtering accesses). */
266	R0PTRTYPE(uint8_t *) pAPIC;
267
268	/** R0 memory object for the MSR bitmap (1 page). */
269	RTR0MEMOBJ pMemObjMSRBitmap;
270	/** Physical address of the MSR bitmap (1 page). */
271	RTHCPHYS pMSRBitmapPhys;
272	/** Virtual address of the MSR bitmap (1 page). */
273	R0PTRTYPE(uint8_t *) pMSRBitmap;
274
275	/** R0 memory object for the MSR entry load page (guest MSRs). */
276	RTR0MEMOBJ pMemObjMSREntryLoad;
277	/** Physical address of the MSR entry load page (guest MSRs). */
278	RTHCPHYS pMSREntryLoadPhys;
279	/** Virtual address of the MSR entry load page (guest MSRs). */
280	R0PTRTYPE(uint8_t *) pMSREntryLoad;
281
282	#ifdef VBOX_WITH_CRASHDUMP_MAGIC
283	RTR0MEMOBJ pMemObjScratch;
284	RTHCPHYS pScratchPhys;
285	R0PTRTYPE(uint8_t *) pScratch;
286	#endif
287	/** R0 memory object for the MSR exit store page (guest MSRs). */
288	RTR0MEMOBJ pMemObjMSRExitStore;
289	/** Physical address of the MSR exit store page (guest MSRs). */
290	RTHCPHYS pMSRExitStorePhys;
291	/** Virtual address of the MSR exit store page (guest MSRs). */
292	R0PTRTYPE(uint8_t *) pMSRExitStore;
293
294	/** R0 memory object for the MSR exit load page (host MSRs). */
295	RTR0MEMOBJ pMemObjMSRExitLoad;
296	/** Physical address of the MSR exit load page (host MSRs). */
297	RTHCPHYS pMSRExitLoadPhys;
298	/** Virtual address of the MSR exit load page (host MSRs). */
299	R0PTRTYPE(uint8_t *) pMSRExitLoad;
300
301	/** Ring 0 handlers for VT-x. */
302	DECLR0CALLBACKMEMBER(void, pfnSetupTaggedTLB, (PVM pVM, PVMCPU pVCpu));
303
304	/** Host CR4 value (set by ring-0 VMX init) */
305	uint64_t hostCR4;
306
307	/** VMX MSR values */
308	struct
309	{
310	uint64_t feature_ctrl;
311	uint64_t vmx_basic_info;
312	VMX_CAPABILITY vmx_pin_ctls;
313	VMX_CAPABILITY vmx_proc_ctls;
314	VMX_CAPABILITY vmx_proc_ctls2;
315	VMX_CAPABILITY vmx_exit;
316	VMX_CAPABILITY vmx_entry;
317	uint64_t vmx_misc;
318	uint64_t vmx_cr0_fixed0;
319	uint64_t vmx_cr0_fixed1;
320	uint64_t vmx_cr4_fixed0;
321	uint64_t vmx_cr4_fixed1;
322	uint64_t vmx_vmcs_enum;
323	uint64_t vmx_eptcaps;
324	} msr;
325
326	/** Flush types for invept & invvpid; they depend on capabilities. */
327	VMX_FLUSH enmFlushPage;
328	VMX_FLUSH enmFlushContext;
329	} vmx;
330
331	struct
332	{
333	/** Set by the ring-0 driver to indicate SVM is supported by the CPU. */
334	bool fSupported;
335	/** Set when we've enabled SVM. */
336	bool fEnabled;
337	/** Set if erratum 170 affects the AMD cpu. */
338	bool fAlwaysFlushTLB;
339	/** Explicit alignment padding to make 32-bit gcc align u64RegisterMask
340	* naturally. */
341	bool padding[1];
342
343	/** R0 memory object for the host VM control block (VMCB). */
344	RTR0MEMOBJ pMemObjVMCBHost;
345	/** Physical address of the host VM control block (VMCB). */
346	RTHCPHYS pVMCBHostPhys;
347	/** Virtual address of the host VM control block (VMCB). */
348	R0PTRTYPE(void *) pVMCBHost;
349
350	/** R0 memory object for the IO bitmap (12kb). */
351	RTR0MEMOBJ pMemObjIOBitmap;
352	/** Physical address of the IO bitmap (12kb). */
353	RTHCPHYS pIOBitmapPhys;
354	/** Virtual address of the IO bitmap. */
355	R0PTRTYPE(void *) pIOBitmap;
356
357	/** R0 memory object for the MSR bitmap (8kb). */
358	RTR0MEMOBJ pMemObjMSRBitmap;
359	/** Physical address of the MSR bitmap (8kb). */
360	RTHCPHYS pMSRBitmapPhys;
361	/** Virtual address of the MSR bitmap. */
362	R0PTRTYPE(void *) pMSRBitmap;
363
364	/** SVM revision. */
365	uint32_t u32Rev;
366
367	/** SVM feature bits from cpuid 0x8000000a */
368	uint32_t u32Features;
369	} svm;
370
371	struct
372	{
373	uint32_t u32AMDFeatureECX;
374	uint32_t u32AMDFeatureEDX;
375	} cpuid;
376
377	/** Saved error from detection */
378	int32_t lLastError;
379
380	/** HWACCMR0Init was run */
381	bool fHWACCMR0Init;
382	} HWACCM;
383	/** Pointer to HWACCM VM instance data. */
384	typedef HWACCM *PHWACCM;
385
386	/* Maximum number of cached entries. */
387	#define VMCSCACHE_MAX_ENTRY 128
388
389	/* Structure for storing read and write VMCS actions. */
390	typedef struct VMCSCACHE
391	{
392	#ifdef VBOX_WITH_CRASHDUMP_MAGIC
393	/* Magic marker for searching in crash dumps. */
394	uint8_t aMagic[16];
395	uint64_t uMagic;
396	uint64_t u64TimeEntry;
397	uint64_t u64TimeSwitch;
398	uint64_t cResume;
399	uint64_t interPD;
400	uint64_t pSwitcher;
401	uint32_t uPos;
402	uint32_t idCpu;
403	#endif
404	/* CR2 is saved here for EPT syncing. */
405	uint64_t cr2;
406	struct
407	{
408	uint32_t cValidEntries;
409	uint32_t uAlignment;
410	uint32_t aField[VMCSCACHE_MAX_ENTRY];
411	uint64_t aFieldVal[VMCSCACHE_MAX_ENTRY];
412	} Write;
413	struct
414	{
415	uint32_t cValidEntries;
416	uint32_t uAlignment;
417	uint32_t aField[VMCSCACHE_MAX_ENTRY];
418	uint64_t aFieldVal[VMCSCACHE_MAX_ENTRY];
419	} Read;
420	#ifdef DEBUG
421	struct
422	{
423	RTHCPHYS pPageCpuPhys;
424	RTHCPHYS pVMCSPhys;
425	RTGCPTR pCache;
426	RTGCPTR pCtx;
427	} TestIn;
428	struct
429	{
430	RTHCPHYS pVMCSPhys;
431	RTGCPTR pCache;
432	RTGCPTR pCtx;
433	uint64_t eflags;
434	uint64_t cr8;
435	} TestOut;
436	struct
437	{
438	uint64_t param1;
439	uint64_t param2;
440	uint64_t param3;
441	uint64_t param4;
442	} ScratchPad;
443	#endif
444	} VMCSCACHE;
445	/** Pointer to VMCSCACHE. */
446	typedef VMCSCACHE *PVMCSCACHE;
447
448	/**
449	* HWACCM VMCPU Instance data.
450	*/
451	typedef struct HWACCMCPU
452	{
453	/** Old style FPU reporting trap mask override performed (optimization) */
454	bool fFPUOldStyleOverride;
455
456	/** Set if we don't have to flush the TLB on VM entry. */
457	bool fResumeVM;
458
459	/** Set if we need to flush the TLB during the world switch. */
460	bool fForceTLBFlush;
461
462	/** Set when we're using VT-x or AMD-V at that moment. */
463	bool fActive;
464
465	/** HWACCM_CHANGED_* flags. */
466	RTUINT fContextUseFlags;
467
468	/* Id of the last cpu we were executing code on (NIL_RTCPUID for the first time) */
469	RTCPUID idLastCpu;
470
471	/* TLB flush count */
472	RTUINT cTLBFlushes;
473
474	/* Current ASID in use by the VM */
475	RTUINT uCurrentASID;
476
477	struct
478	{
479	/** R0 memory object for the VM control structure (VMCS). */
480	RTR0MEMOBJ pMemObjVMCS;
481	/** Physical address of the VM control structure (VMCS). */
482	RTHCPHYS pVMCSPhys;
483	/** Virtual address of the VM control structure (VMCS). */
484	R0PTRTYPE(void *) pVMCS;
485
486	/** Ring 0 handlers for VT-x. */
487	DECLR0CALLBACKMEMBER(int, pfnStartVM,(RTHCUINT fResume, PCPUMCTX pCtx, PVMCSCACHE pCache, PVM pVM, PVMCPU pVCpu));
488
489	/** Current VMX_VMCS_CTRL_PROC_EXEC_CONTROLS. */
490	uint64_t proc_ctls;
491
492	/** Current VMX_VMCS_CTRL_PROC_EXEC2_CONTROLS. */
493	uint64_t proc_ctls2;
494
495	/** R0 memory object for the virtual APIC page for TPR caching. */
496	RTR0MEMOBJ pMemObjVAPIC;
497	/** Physical address of the virtual APIC page for TPR caching. */
498	RTHCPHYS pVAPICPhys;
499	/** Virtual address of the virtual APIC page for TPR caching. */
500	R0PTRTYPE(uint8_t *) pVAPIC;
501
502	/** Current CR0 mask. */
503	uint64_t cr0_mask;
504	/** Current CR4 mask. */
505	uint64_t cr4_mask;
506
507	/** Current EPTP. */
508	RTHCPHYS GCPhysEPTP;
509
510	/** VMCS cache. */
511	VMCSCACHE VMCSCache;
512
513	/** Real-mode emulation state. */
514	struct
515	{
516	X86EFLAGS eflags;
517	uint32_t fValid;
518	} RealMode;
519
520	struct
521	{
522	uint64_t u64VMCSPhys;
523	uint32_t ulVMCSRevision;
524	uint32_t ulInstrError;
525	uint32_t ulExitReason;
526	RTCPUID idEnteredCpu;
527	RTCPUID idCurrentCpu;
528	uint32_t padding;
529	} lasterror;
530
531	/** The last seen guest paging mode (by VT-x). */
532	PGMMODE enmLastSeenGuestMode;
533	/** Current guest paging mode (as seen by HWACCMR3PagingModeChanged). */
534	PGMMODE enmCurrGuestMode;
535	/** Previous guest paging mode (as seen by HWACCMR3PagingModeChanged). */
536	PGMMODE enmPrevGuestMode;
537	} vmx;
538
539	struct
540	{
541	/** R0 memory object for the VM control block (VMCB). */
542	RTR0MEMOBJ pMemObjVMCB;
543	/** Physical address of the VM control block (VMCB). */
544	RTHCPHYS pVMCBPhys;
545	/** Virtual address of the VM control block (VMCB). */
546	R0PTRTYPE(void *) pVMCB;
547
548	/** Ring 0 handlers for VT-x. */
549	DECLR0CALLBACKMEMBER(int, pfnVMRun,(RTHCPHYS pVMCBHostPhys, RTHCPHYS pVMCBPhys, PCPUMCTX pCtx, PVM pVM, PVMCPU pVCpu));
550
551	} svm;
552
553	/** Event injection state. */
554	struct
555	{
556	uint32_t fPending;
557	uint32_t errCode;
558	uint64_t intInfo;
559	} Event;
560
561	/** IO Block emulation state. */
562	struct
563	{
564	bool fEnabled;
565	uint8_t u8Align[7];
566
567	/** RIP at the start of the io code we wish to emulate in the recompiler. */
568	RTGCPTR GCPtrFunctionEip;
569
570	uint64_t cr0;
571	} EmulateIoBlock;
572
573	/** Currenty shadow paging mode. */
574	PGMMODE enmShadowMode;
575
576	/** The CPU ID of the CPU currently owning the VMCS. Set in
577	* HWACCMR0Enter and cleared in HWACCMR0Leave. */
578	RTCPUID idEnteredCpu;
579
580	/** To keep track of pending TLB shootdown pages. (SMP guest only) */
581	struct
582	{
583	RTGCPTR aPages[HWACCM_MAX_TLB_SHOOTDOWN_PAGES];
584	unsigned cPages;
585	} TlbShootdown;
586
587	RTUINT padding2[1];
588
589	STAMPROFILEADV StatEntry;
590	STAMPROFILEADV StatExit1;
591	STAMPROFILEADV StatExit2;
592	#if 1 /* temporary for tracking down darwin issues. */
593	STAMPROFILEADV StatExit2Sub1;
594	STAMPROFILEADV StatExit2Sub2;
595	STAMPROFILEADV StatExit2Sub3;
596	#endif
597	STAMPROFILEADV StatInGC;
598
599	#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
600	STAMPROFILEADV StatWorldSwitch3264;
601	#endif
602
603	STAMCOUNTER StatIntInject;
604
605	STAMCOUNTER StatExitShadowNM;
606	STAMCOUNTER StatExitGuestNM;
607	STAMCOUNTER StatExitShadowPF;
608	STAMCOUNTER StatExitGuestPF;
609	STAMCOUNTER StatExitGuestUD;
610	STAMCOUNTER StatExitGuestSS;
611	STAMCOUNTER StatExitGuestNP;
612	STAMCOUNTER StatExitGuestGP;
613	STAMCOUNTER StatExitGuestDE;
614	STAMCOUNTER StatExitGuestDB;
615	STAMCOUNTER StatExitGuestMF;
616	STAMCOUNTER StatExitInvpg;
617	STAMCOUNTER StatExitInvd;
618	STAMCOUNTER StatExitCpuid;
619	STAMCOUNTER StatExitRdtsc;
620	STAMCOUNTER StatExitRdpmc;
621	STAMCOUNTER StatExitCli;
622	STAMCOUNTER StatExitSti;
623	STAMCOUNTER StatExitPushf;
624	STAMCOUNTER StatExitPopf;
625	STAMCOUNTER StatExitIret;
626	STAMCOUNTER StatExitInt;
627	STAMCOUNTER StatExitCRxWrite[16];
628	STAMCOUNTER StatExitCRxRead[16];
629	STAMCOUNTER StatExitDRxWrite;
630	STAMCOUNTER StatExitDRxRead;
631	STAMCOUNTER StatExitRdmsr;
632	STAMCOUNTER StatExitWrmsr;
633	STAMCOUNTER StatExitCLTS;
634	STAMCOUNTER StatExitHlt;
635	STAMCOUNTER StatExitMwait;
636	STAMCOUNTER StatExitLMSW;
637	STAMCOUNTER StatExitIOWrite;
638	STAMCOUNTER StatExitIORead;
639	STAMCOUNTER StatExitIOStringWrite;
640	STAMCOUNTER StatExitIOStringRead;
641	STAMCOUNTER StatExitIrqWindow;
642	STAMCOUNTER StatExitMaxResume;
643	STAMCOUNTER StatIntReinject;
644	STAMCOUNTER StatPendingHostIrq;
645
646	STAMCOUNTER StatFlushPageManual;
647	STAMCOUNTER StatFlushPhysPageManual;
648	STAMCOUNTER StatFlushTLBManual;
649	STAMCOUNTER StatFlushPageInvlpg;
650	STAMCOUNTER StatFlushTLBWorldSwitch;
651	STAMCOUNTER StatNoFlushTLBWorldSwitch;
652	STAMCOUNTER StatFlushTLBCRxChange;
653	STAMCOUNTER StatFlushASID;
654	STAMCOUNTER StatFlushTLBInvlpga;
655	STAMCOUNTER StatTlbShootdown;
656	STAMCOUNTER StatTlbShootdownFlush;
657
658	STAMCOUNTER StatSwitchGuestIrq;
659	STAMCOUNTER StatSwitchToR3;
660
661	STAMCOUNTER StatTSCOffset;
662	STAMCOUNTER StatTSCIntercept;
663
664	STAMCOUNTER StatExitReasonNPF;
665	STAMCOUNTER StatDRxArmed;
666	STAMCOUNTER StatDRxContextSwitch;
667	STAMCOUNTER StatDRxIOCheck;
668
669
670	R3PTRTYPE(PSTAMCOUNTER) paStatExitReason;
671	R0PTRTYPE(PSTAMCOUNTER) paStatExitReasonR0;
672	} HWACCMCPU;
673	/** Pointer to HWACCM VM instance data. */
674	typedef HWACCMCPU *PHWACCMCPU;
675
676
677	#ifdef IN_RING0
678
679	VMMR0DECL(PHWACCM_CPUINFO) HWACCMR0GetCurrentCpu();
680	VMMR0DECL(PHWACCM_CPUINFO) HWACCMR0GetCurrentCpuEx(RTCPUID idCpu);
681
682
683	#ifdef VBOX_STRICT
684	VMMR0DECL(void) HWACCMDumpRegs(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
685	VMMR0DECL(void) HWACCMR0DumpDescriptor(PX86DESCHC Desc, RTSEL Sel, const char *pszMsg);
686	#else
687	#define HWACCMDumpRegs(a, b ,c) do { } while (0)
688	#define HWACCMR0DumpDescriptor(a, b, c) do { } while (0)
689	#endif
690
691	/* Dummy callback handlers. */
692	VMMR0DECL(int) HWACCMR0DummyEnter(PVM pVM, PVMCPU pVCpu, PHWACCM_CPUINFO pCpu);
693	VMMR0DECL(int) HWACCMR0DummyLeave(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
694	VMMR0DECL(int) HWACCMR0DummyEnableCpu(PHWACCM_CPUINFO pCpu, PVM pVM, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
695	VMMR0DECL(int) HWACCMR0DummyDisableCpu(PHWACCM_CPUINFO pCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
696	VMMR0DECL(int) HWACCMR0DummyInitVM(PVM pVM);
697	VMMR0DECL(int) HWACCMR0DummyTermVM(PVM pVM);
698	VMMR0DECL(int) HWACCMR0DummySetupVM(PVM pVM);
699	VMMR0DECL(int) HWACCMR0DummyRunGuestCode(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
700	VMMR0DECL(int) HWACCMR0DummySaveHostState(PVM pVM, PVMCPU pVCpu);
701	VMMR0DECL(int) HWACCMR0DummyLoadGuestState(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
702
703
704	# ifdef VBOX_WITH_HYBRID_32BIT_KERNEL
705	/**
706	* Gets 64-bit GDTR and IDTR on darwin.
707	* @param pGdtr Where to store the 64-bit GDTR.
708	* @param pIdtr Where to store the 64-bit IDTR.
709	*/
710	DECLASM(void) hwaccmR0Get64bitGDTRandIDTR(PX86XDTR64 pGdtr, PX86XDTR64 pIdtr);
711
712	/**
713	* Gets 64-bit CR3 on darwin.
714	* @returns CR3
715	*/
716	DECLASM(uint64_t) hwaccmR0Get64bitCR3(void);
717	# endif
718
719	#endif /* IN_RING0 */
720
721	/** @} */
722
723	__END_DECLS
724
725	#endif
726

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source: vbox/trunk/src/VBox/VMM/HWACCMInternal.h@ 19992

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