NEMInternal.h@ 92356

Last change on this file since 92356 was 92356, checked in by vboxsync, 3 years ago
VMM/NEMInternal.h: Add the state required for working with Apple's HV in NEM, bugref:9044
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1	/* $Id: NEMInternal.h 92356 2021-11-11 10:57:57Z vboxsync $ */
2	/** @file
3	* NEM - Internal header file.
4	*/
5
6	/*
7	* Copyright (C) 2018-2020 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 VMM_INCLUDED_SRC_include_NEMInternal_h
19	#define VMM_INCLUDED_SRC_include_NEMInternal_h
20	#ifndef RT_WITHOUT_PRAGMA_ONCE
21	# pragma once
22	#endif
23
24	#include <VBox/cdefs.h>
25	#include <VBox/types.h>
26	#include <VBox/vmm/nem.h>
27	#include <VBox/vmm/cpum.h> /* For CPUMCPUVENDOR. */
28	#include <VBox/vmm/stam.h>
29	#include <VBox/vmm/vmapi.h>
30	#ifdef RT_OS_WINDOWS
31	#include <iprt/nt/hyperv.h>
32	#include <iprt/critsect.h>
33	#elif defined(RT_OS_DARWIN)
34	# include "VMXInternal.h"
35	#endif
36
37	RT_C_DECLS_BEGIN
38
39
40	/** @defgroup grp_nem_int Internal
41	* @ingroup grp_nem
42	* @internal
43	* @{
44	*/
45
46	#if defined(VBOX_WITH_PGM_NEM_MODE) && !defined(VBOX_WITH_NATIVE_NEM)
47	# error "VBOX_WITH_PGM_NEM_MODE requires VBOX_WITH_NATIVE_NEM to be defined"
48	#endif
49
50
51	#ifdef RT_OS_WINDOWS
52	/*
53	* Windows: Code configuration.
54	*/
55	# ifndef VBOX_WITH_PGM_NEM_MODE
56	# define NEM_WIN_USE_HYPERCALLS_FOR_PAGES
57	#endif
58	//# define NEM_WIN_USE_HYPERCALLS_FOR_REGISTERS /*< Applies to ring-3 code only. Useful for testing VID API. /
59	//# define NEM_WIN_USE_OUR_OWN_RUN_API /*< Applies to ring-3 code only. Useful for testing VID API. /
60	//# define NEM_WIN_WITH_RING0_RUNLOOP /*< Enables the ring-0 runloop. /
61	//# define NEM_WIN_USE_RING0_RUNLOOP_BY_DEFAULT /*< For quickly testing ring-3 API without messing with CFGM. /
62	# if defined(NEM_WIN_USE_OUR_OWN_RUN_API) && !defined(NEM_WIN_USE_HYPERCALLS_FOR_REGISTERS)
63	# error "NEM_WIN_USE_OUR_OWN_RUN_API requires NEM_WIN_USE_HYPERCALLS_FOR_REGISTERS"
64	# endif
65	# if defined(NEM_WIN_USE_OUR_OWN_RUN_API) && !defined(NEM_WIN_USE_HYPERCALLS_FOR_PAGES)
66	# error "NEM_WIN_USE_OUR_OWN_RUN_API requires NEM_WIN_USE_HYPERCALLS_FOR_PAGES"
67	# endif
68	# if defined(NEM_WIN_WITH_RING0_RUNLOOP) && !defined(NEM_WIN_USE_HYPERCALLS_FOR_PAGES)
69	# error "NEM_WIN_WITH_RING0_RUNLOOP requires NEM_WIN_USE_HYPERCALLS_FOR_PAGES"
70	# endif
71	# if defined(VBOX_WITH_PGM_NEM_MODE) && defined(NEM_WIN_USE_HYPERCALLS_FOR_PAGES)
72	# error "VBOX_WITH_PGM_NEM_MODE cannot be used together with NEM_WIN_USE_HYPERCALLS_FOR_PAGES"
73	# endif
74
75	/**
76	* Windows VID I/O control information.
77	*/
78	typedef struct NEMWINIOCTL
79	{
80	/** The I/O control function number. */
81	uint32_t uFunction;
82	uint32_t cbInput;
83	uint32_t cbOutput;
84	} NEMWINIOCTL;
85
86	/** @name Windows: Our two-bit physical page state for PGMPAGE
87	* @{ */
88	# define NEM_WIN_PAGE_STATE_NOT_SET 0
89	# define NEM_WIN_PAGE_STATE_UNMAPPED 1
90	# define NEM_WIN_PAGE_STATE_READABLE 2
91	# define NEM_WIN_PAGE_STATE_WRITABLE 3
92	/** @} */
93
94	/** Windows: Checks if a_GCPhys is subject to the limited A20 gate emulation. */
95	# define NEM_WIN_IS_SUBJECT_TO_A20(a_GCPhys) ((RTGCPHYS)((a_GCPhys) - _1M) < (RTGCPHYS)_64K)
96	/** Windows: Checks if a_GCPhys is relevant to the limited A20 gate emulation. */
97	# define NEM_WIN_IS_RELEVANT_TO_A20(a_GCPhys) \
98	( ((RTGCPHYS)((a_GCPhys) - _1M) < (RTGCPHYS)_64K) \|\| ((RTGCPHYS)(a_GCPhys) < (RTGCPHYS)_64K) )
99
100	/** The CPUMCTX_EXTRN_XXX mask for IEM. */
101	# define NEM_WIN_CPUMCTX_EXTRN_MASK_FOR_IEM ( IEM_CPUMCTX_EXTRN_MUST_MASK \| CPUMCTX_EXTRN_NEM_WIN_INHIBIT_INT \
102	\| CPUMCTX_EXTRN_NEM_WIN_INHIBIT_NMI )
103	/** The CPUMCTX_EXTRN_XXX mask for IEM when raising exceptions. */
104	# define NEM_WIN_CPUMCTX_EXTRN_MASK_FOR_IEM_XCPT (IEM_CPUMCTX_EXTRN_XCPT_MASK \| NEM_WIN_CPUMCTX_EXTRN_MASK_FOR_IEM)
105
106	/** @name Windows: Interrupt window flags (NEM_WIN_INTW_F_XXX).
107	* @{ */
108	# define NEM_WIN_INTW_F_NMI UINT8_C(0x01)
109	# define NEM_WIN_INTW_F_REGULAR UINT8_C(0x02)
110	# define NEM_WIN_INTW_F_PRIO_MASK UINT8_C(0x3c)
111	# define NEM_WIN_INTW_F_PRIO_SHIFT 2
112	/** @} */
113
114	#endif /* RT_OS_WINDOWS */
115
116
117	#ifdef RT_OS_DARWIN
118	/** vCPU ID declaration to avoid dragging in HV headers here. */
119	typedef unsigned hv_vcpuid_t;
120	/** The HV VM memory space ID (ASID). */
121	typedef unsigned hv_vm_space_t;
122
123
124	/** @name Darwin: Our two-bit physical page state for PGMPAGE
125	* @{ */
126	# define NEM_DARWIN_PAGE_STATE_NOT_SET 0
127	# define NEM_DARWIN_PAGE_STATE_UNMAPPED 1
128	# define NEM_DARWIN_PAGE_STATE_READABLE 2
129	# define NEM_DARWIN_PAGE_STATE_WRITABLE 3
130	/** @} */
131
132	/** The CPUMCTX_EXTRN_XXX mask for IEM. */
133	# define NEM_DARWIN_CPUMCTX_EXTRN_MASK_FOR_IEM ( IEM_CPUMCTX_EXTRN_MUST_MASK \| CPUMCTX_EXTRN_NEM_WIN_INHIBIT_INT \
134	\| CPUMCTX_EXTRN_NEM_WIN_INHIBIT_NMI )
135	/** The CPUMCTX_EXTRN_XXX mask for IEM when raising exceptions. */
136	# define NEM_DARWIN_CPUMCTX_EXTRN_MASK_FOR_IEM_XCPT (IEM_CPUMCTX_EXTRN_XCPT_MASK \| NEM_DARWIN_CPUMCTX_EXTRN_MASK_FOR_IEM)
137
138	#endif
139
140
141	/** Trick to make slickedit see the static functions in the template. */
142	#ifndef IN_SLICKEDIT
143	# define NEM_TMPL_STATIC static
144	#else
145	# define NEM_TMPL_STATIC
146	#endif
147
148
149	/**
150	* Generic NEM exit type enumeration for use with EMHistoryAddExit.
151	*
152	* On windows we've got two different set of exit types and they are both jumping
153	* around the place value wise, so EM can use their values.
154	*
155	* @note We only have exit types for exits not covered by EM here.
156	*/
157	typedef enum NEMEXITTYPE
158	{
159	/* windows: */
160	NEMEXITTYPE_UNRECOVERABLE_EXCEPTION = 1,
161	NEMEXITTYPE_INVALID_VP_REGISTER_VALUE,
162	NEMEXITTYPE_INTTERRUPT_WINDOW,
163	NEMEXITTYPE_HALT,
164	NEMEXITTYPE_XCPT_UD,
165	NEMEXITTYPE_XCPT_DB,
166	NEMEXITTYPE_XCPT_BP,
167	NEMEXITTYPE_CANCELED,
168	NEMEXITTYPE_MEMORY_ACCESS
169	} NEMEXITTYPE;
170
171
172	/**
173	* NEM VM Instance data.
174	*/
175	typedef struct NEM
176	{
177	/** NEM_MAGIC. */
178	uint32_t u32Magic;
179
180	/** Set if enabled. */
181	bool fEnabled;
182	/** Set if long mode guests are allowed. */
183	bool fAllow64BitGuests;
184	#ifdef RT_OS_WINDOWS
185	/** Set if we've created the EMTs. */
186	bool fCreatedEmts : 1;
187	/** WHvRunVpExitReasonX64Cpuid is supported. */
188	bool fExtendedMsrExit : 1;
189	/** WHvRunVpExitReasonX64MsrAccess is supported. */
190	bool fExtendedCpuIdExit : 1;
191	/** WHvRunVpExitReasonException is supported. */
192	bool fExtendedXcptExit : 1;
193	/** Set if we're using the ring-0 API to do the work. */
194	bool fUseRing0Runloop : 1;
195	# ifdef NEM_WIN_WITH_A20
196	/** Set if we've started more than one CPU and cannot mess with A20. */
197	bool fA20Fixed : 1;
198	/** Set if A20 is enabled. */
199	bool fA20Enabled : 1;
200	# endif
201	/** The reported CPU vendor. */
202	CPUMCPUVENDOR enmCpuVendor;
203	/** Cache line flush size as a power of two. */
204	uint8_t cCacheLineFlushShift;
205	/** The result of WHvCapabilityCodeProcessorFeatures. */
206	union
207	{
208	/** 64-bit view. */
209	uint64_t u64;
210	# ifdef _WINHVAPIDEFS_H_
211	/** Interpreed features. */
212	WHV_PROCESSOR_FEATURES u;
213	# endif
214	} uCpuFeatures;
215
216	/** The partition handle. */
217	# ifdef _WINHVAPIDEFS_H_
218	WHV_PARTITION_HANDLE
219	# else
220	RTHCUINTPTR
221	# endif
222	hPartition;
223	/** The device handle for the partition, for use with Vid APIs or direct I/O
224	* controls. */
225	RTR3PTR hPartitionDevice;
226	/** The Hyper-V partition ID. */
227	uint64_t idHvPartition;
228
229	/** Number of currently mapped pages. */
230	uint32_t volatile cMappedPages;
231	# ifndef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
232	/** Max number of pages we dare map at once. */
233	uint32_t cMaxMappedPages;
234	# endif
235	STAMCOUNTER StatMapPage;
236	STAMCOUNTER StatUnmapPage;
237	# ifdef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
238	STAMCOUNTER StatRemapPage;
239	STAMCOUNTER StatRemapPageFailed;
240	# elif !defined(VBOX_WITH_PGM_NEM_MODE)
241	STAMCOUNTER StatUnmapAllPages;
242	# endif
243	STAMCOUNTER StatMapPageFailed;
244	STAMCOUNTER StatUnmapPageFailed;
245	# ifdef VBOX_WITH_PGM_NEM_MODE
246	STAMPROFILE StatProfMapGpaRange;
247	STAMPROFILE StatProfUnmapGpaRange;
248	# endif
249	# ifndef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
250	STAMPROFILE StatProfMapGpaRangePage;
251	STAMPROFILE StatProfUnmapGpaRangePage;
252	# endif
253
254	# ifdef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
255	/** Info about the VidGetHvPartitionId I/O control interface. */
256	NEMWINIOCTL IoCtlGetHvPartitionId;
257	/** Info about the VidGetPartitionProperty I/O control interface. */
258	NEMWINIOCTL IoCtlGetPartitionProperty;
259	# endif
260	# ifdef NEM_WIN_WITH_RING0_RUNLOOP
261	/** Info about the VidStartVirtualProcessor I/O control interface. */
262	NEMWINIOCTL IoCtlStartVirtualProcessor;
263	/** Info about the VidStopVirtualProcessor I/O control interface. */
264	NEMWINIOCTL IoCtlStopVirtualProcessor;
265	/** Info about the VidStopVirtualProcessor I/O control interface. */
266	NEMWINIOCTL IoCtlMessageSlotHandleAndGetNext;
267	# endif
268
269	/** Statistics updated by NEMR0UpdateStatistics. */
270	struct
271	{
272	uint64_t cPagesAvailable;
273	uint64_t cPagesInUse;
274	} R0Stats;
275	#elif defined(RT_OS_DARWIN)
276	/** Set if we've created the EMTs. */
277	bool fCreatedEmts : 1;
278	/** Set if hv_vm_create() was called successfully. */
279	bool fCreatedVm : 1;
280	/** Number of currently mapped pages. */
281	uint32_t volatile cMappedPages;
282	STAMCOUNTER StatMapPage;
283	STAMCOUNTER StatUnmapPage;
284	STAMCOUNTER StatMapPageFailed;
285	STAMCOUNTER StatUnmapPageFailed;
286	#endif /* RT_OS_WINDOWS */
287	} NEM;
288	/** Pointer to NEM VM instance data. */
289	typedef NEM *PNEM;
290
291	/** NEM::u32Magic value. */
292	#define NEM_MAGIC UINT32_C(0x004d454e)
293	/** NEM::u32Magic value after termination. */
294	#define NEM_MAGIC_DEAD UINT32_C(0xdead1111)
295
296
297	/**
298	* NEM VMCPU Instance data.
299	*/
300	typedef struct NEMCPU
301	{
302	/** NEMCPU_MAGIC. */
303	uint32_t u32Magic;
304	/** Whether \#UD needs to be intercepted and presented to GIM. */
305	bool fGIMTrapXcptUD : 1;
306	/** Whether \#GP needs to be intercept for mesa driver workaround. */
307	bool fTrapXcptGpForLovelyMesaDrv: 1;
308	#ifdef RT_OS_WINDOWS
309	/** The current state of the interrupt windows (NEM_WIN_INTW_F_XXX). */
310	uint8_t fCurrentInterruptWindows;
311	/** The desired state of the interrupt windows (NEM_WIN_INTW_F_XXX). */
312	uint8_t fDesiredInterruptWindows;
313	/** Last copy of HV_X64_VP_EXECUTION_STATE::InterruptShadow. */
314	bool fLastInterruptShadow : 1;
315	# ifdef NEM_WIN_WITH_RING0_RUNLOOP
316	/** Pending VINF_NEM_FLUSH_TLB. */
317	int32_t rcPending;
318	# else
319	uint32_t uPadding;
320	# endif
321	/** The VID_MSHAGN_F_XXX flags.
322	* Either VID_MSHAGN_F_HANDLE_MESSAGE \| VID_MSHAGN_F_GET_NEXT_MESSAGE or zero. */
323	uint32_t fHandleAndGetFlags;
324	/** What VidMessageSlotMap returns and is used for passing exit info. */
325	RTR3PTR pvMsgSlotMapping;
326	/** The windows thread handle. */
327	RTR3PTR hNativeThreadHandle;
328	/** Parameters for making Hyper-V hypercalls. */
329	union
330	{
331	uint8_t ab[64];
332	/** Arguments for NEMR0MapPages (HvCallMapGpaPages). */
333	struct
334	{
335	RTGCPHYS GCPhysSrc;
336	RTGCPHYS GCPhysDst; /*< Same as GCPhysSrc except maybe when the A20 gate is disabled. /
337	uint32_t cPages;
338	HV_MAP_GPA_FLAGS fFlags;
339	} MapPages;
340	/** Arguments for NEMR0UnmapPages (HvCallUnmapGpaPages). */
341	struct
342	{
343	RTGCPHYS GCPhys;
344	uint32_t cPages;
345	} UnmapPages;
346	/** Result from NEMR0QueryCpuTick. */
347	struct
348	{
349	uint64_t cTicks;
350	uint32_t uAux;
351	} QueryCpuTick;
352	/** Input and output for NEMR0DoExperiment. */
353	struct
354	{
355	uint32_t uItem;
356	bool fSuccess;
357	uint64_t uStatus;
358	uint64_t uLoValue;
359	uint64_t uHiValue;
360	} Experiment;
361	} Hypercall;
362	/** I/O control buffer, we always use this for I/O controls. */
363	union
364	{
365	uint8_t ab[64];
366	HV_PARTITION_ID idPartition;
367	HV_VP_INDEX idCpu;
368	struct
369	{
370	uint64_t enmProperty;
371	uint64_t uValue;
372	} GetProp;
373	# ifdef VID_MSHAGN_F_GET_NEXT_MESSAGE
374	VID_IOCTL_INPUT_MESSAGE_SLOT_HANDLE_AND_GET_NEXT MsgSlotHandleAndGetNext;
375	# endif
376	} uIoCtlBuf;
377
378	/** @name Statistics
379	* @{ */
380	STAMCOUNTER StatExitPortIo;
381	STAMCOUNTER StatExitMemUnmapped;
382	STAMCOUNTER StatExitMemIntercept;
383	STAMCOUNTER StatExitHalt;
384	STAMCOUNTER StatExitInterruptWindow;
385	STAMCOUNTER StatExitCpuId;
386	STAMCOUNTER StatExitMsr;
387	STAMCOUNTER StatExitException;
388	STAMCOUNTER StatExitExceptionBp;
389	STAMCOUNTER StatExitExceptionDb;
390	STAMCOUNTER StatExitExceptionGp;
391	STAMCOUNTER StatExitExceptionGpMesa;
392	STAMCOUNTER StatExitExceptionUd;
393	STAMCOUNTER StatExitExceptionUdHandled;
394	STAMCOUNTER StatExitUnrecoverable;
395	STAMCOUNTER StatGetMsgTimeout;
396	STAMCOUNTER StatStopCpuSuccess;
397	STAMCOUNTER StatStopCpuPending;
398	STAMCOUNTER StatStopCpuPendingAlerts;
399	STAMCOUNTER StatStopCpuPendingOdd;
400	STAMCOUNTER StatCancelChangedState;
401	STAMCOUNTER StatCancelAlertedThread;
402	STAMCOUNTER StatBreakOnCancel;
403	STAMCOUNTER StatBreakOnFFPre;
404	STAMCOUNTER StatBreakOnFFPost;
405	STAMCOUNTER StatBreakOnStatus;
406	STAMCOUNTER StatImportOnDemand;
407	STAMCOUNTER StatImportOnReturn;
408	STAMCOUNTER StatImportOnReturnSkipped;
409	STAMCOUNTER StatQueryCpuTick;
410	/** @} */
411	#elif defined(RT_OS_DARWIN)
412	/** The vCPU handle associated with the EMT executing this vCPU. */
413	hv_vcpuid_t hVCpuId;
414
415	/** @name State shared with the VT-x code.
416	* @{ */
417	/** Whether we should use the debug loop because of single stepping or special
418	* debug breakpoints / events are armed. */
419	bool fUseDebugLoop;
420	/** Whether we're executing a single instruction. */
421	bool fSingleInstruction;
422
423	bool afAlignment0[2];
424
425	/** An additional error code used for some gurus. */
426	uint32_t u32HMError;
427	/** The last exit-to-ring-3 reason. */
428	int32_t rcLastExitToR3;
429	/** CPU-context changed flags (see HM_CHANGED_xxx). */
430	uint64_t fCtxChanged;
431
432	/** The guest VMCS information. */
433	VMXVMCSINFO VmcsInfo;
434
435	/** VT-x data. */
436	struct HMCPUVMX
437	{
438	/** @name Guest information.
439	* @{ */
440	/** Guest VMCS information shared with ring-3. */
441	VMXVMCSINFOSHARED VmcsInfo;
442	/** Nested-guest VMCS information shared with ring-3. */
443	VMXVMCSINFOSHARED VmcsInfoNstGst;
444	/** Whether the nested-guest VMCS was the last current VMCS (shadow copy for ring-3).
445	* @see HMR0PERVCPU::vmx.fSwitchedToNstGstVmcs */
446	bool fSwitchedToNstGstVmcsCopyForRing3;
447	/** Whether the static guest VMCS controls has been merged with the
448	* nested-guest VMCS controls. */
449	bool fMergedNstGstCtls;
450	/** Whether the nested-guest VMCS has been copied to the shadow VMCS. */
451	bool fCopiedNstGstToShadowVmcs;
452	/** Whether flushing the TLB is required due to switching to/from the
453	* nested-guest. */
454	bool fSwitchedNstGstFlushTlb;
455	/** Alignment. */
456	bool afAlignment0[4];
457	/** Cached guest APIC-base MSR for identifying when to map the APIC-access page. */
458	uint64_t u64GstMsrApicBase;
459	/** @} */
460
461	/** @name Error reporting and diagnostics.
462	* @{ */
463	/** VT-x error-reporting (mainly for ring-3 propagation). */
464	struct
465	{
466	RTCPUID idCurrentCpu;
467	RTCPUID idEnteredCpu;
468	RTHCPHYS HCPhysCurrentVmcs;
469	uint32_t u32VmcsRev;
470	uint32_t u32InstrError;
471	uint32_t u32ExitReason;
472	uint32_t u32GuestIntrState;
473	} LastError;
474	/** @} */
475	} vmx;
476
477	/** Event injection state. */
478	HMEVENT Event;
479
480	/** Current shadow paging mode for updating CR4.
481	* @todo move later (@bugref{9217}). */
482	PGMMODE enmShadowMode;
483	uint32_t u32TemporaryPadding;
484
485	/** The PAE PDPEs used with Nested Paging (only valid when
486	* VMCPU_FF_HM_UPDATE_PAE_PDPES is set). */
487	X86PDPE aPdpes[4];
488	/** Pointer to the VMX statistics. */
489	PVMXSTATISTICS pVmxStats;
490
491	/** @name Statistics
492	* @{ */
493	STAMCOUNTER StatBreakOnCancel;
494	STAMCOUNTER StatBreakOnFFPre;
495	STAMCOUNTER StatBreakOnFFPost;
496	STAMCOUNTER StatBreakOnStatus;
497	STAMCOUNTER StatImportOnDemand;
498	STAMCOUNTER StatImportOnReturn;
499	STAMCOUNTER StatImportOnReturnSkipped;
500	STAMCOUNTER StatQueryCpuTick;
501	/** @} */
502
503	/** @} */
504	#endif /* RT_OS_DARWIN */
505	} NEMCPU;
506	/** Pointer to NEM VMCPU instance data. */
507	typedef NEMCPU *PNEMCPU;
508
509	/** NEMCPU::u32Magic value. */
510	#define NEMCPU_MAGIC UINT32_C(0x4d454e20)
511	/** NEMCPU::u32Magic value after termination. */
512	#define NEMCPU_MAGIC_DEAD UINT32_C(0xdead2222)
513
514
515	#ifdef IN_RING0
516	# ifdef RT_OS_WINDOWS
517	/**
518	* Windows: Hypercall input/ouput page info.
519	*/
520	typedef struct NEMR0HYPERCALLDATA
521	{
522	/** Host physical address of the hypercall input/output page. */
523	RTHCPHYS HCPhysPage;
524	/** Pointer to the hypercall input/output page. */
525	uint8_t *pbPage;
526	/** Handle to the memory object of the hypercall input/output page. */
527	RTR0MEMOBJ hMemObj;
528	} NEMR0HYPERCALLDATA;
529	/** Pointer to a Windows hypercall input/output page info. */
530	typedef NEMR0HYPERCALLDATA *PNEMR0HYPERCALLDATA;
531	# endif /* RT_OS_WINDOWS */
532
533	/**
534	* NEM GVMCPU instance data.
535	*/
536	typedef struct NEMR0PERVCPU
537	{
538	# if defined(RT_OS_WINDOWS) && defined(NEM_WIN_USE_HYPERCALLS_FOR_PAGES)
539	/** Hypercall input/ouput page. */
540	NEMR0HYPERCALLDATA HypercallData;
541	/** Delta to add to convert a ring-0 pointer to a ring-3 one. */
542	uintptr_t offRing3ConversionDelta;
543	# else
544	uint32_t uDummy;
545	# endif
546	} NEMR0PERVCPU;
547
548	/**
549	* NEM GVM instance data.
550	*/
551	typedef struct NEMR0PERVM
552	{
553	# ifdef RT_OS_WINDOWS
554	# ifdef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
555	/** The partition ID. */
556	uint64_t idHvPartition;
557	/** I/O control context. */
558	PSUPR0IOCTLCTX pIoCtlCtx;
559	/** Info about the VidGetHvPartitionId I/O control interface. */
560	NEMWINIOCTL IoCtlGetHvPartitionId;
561	/** Info about the VidGetPartitionProperty I/O control interface. */
562	NEMWINIOCTL IoCtlGetPartitionProperty;
563	# endif
564	# ifdef NEM_WIN_WITH_RING0_RUNLOOP
565	/** Info about the VidStartVirtualProcessor I/O control interface. */
566	NEMWINIOCTL IoCtlStartVirtualProcessor;
567	/** Info about the VidStopVirtualProcessor I/O control interface. */
568	NEMWINIOCTL IoCtlStopVirtualProcessor;
569	/** Info about the VidStopVirtualProcessor I/O control interface. */
570	NEMWINIOCTL IoCtlMessageSlotHandleAndGetNext;
571	/** Whether we may use the ring-0 runloop or not. */
572	bool fMayUseRing0Runloop;
573	# endif
574
575	# ifdef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
576	/** Hypercall input/ouput page for non-EMT. */
577	NEMR0HYPERCALLDATA HypercallData;
578	/** Critical section protecting use of HypercallData. */
579	RTCRITSECT HypercallDataCritSect;
580	# endif
581
582	# else
583	uint32_t uDummy;
584	# endif
585	} NEMR0PERVM;
586
587	#endif /* IN_RING*/
588
589
590	#ifdef IN_RING3
591	int nemR3NativeInit(PVM pVM, bool fFallback, bool fForced);
592	int nemR3NativeInitAfterCPUM(PVM pVM);
593	int nemR3NativeInitCompleted(PVM pVM, VMINITCOMPLETED enmWhat);
594	int nemR3NativeTerm(PVM pVM);
595	void nemR3NativeReset(PVM pVM);
596	void nemR3NativeResetCpu(PVMCPU pVCpu, bool fInitIpi);
597	VBOXSTRICTRC nemR3NativeRunGC(PVM pVM, PVMCPU pVCpu);
598	bool nemR3NativeCanExecuteGuest(PVM pVM, PVMCPU pVCpu);
599	bool nemR3NativeSetSingleInstruction(PVM pVM, PVMCPU pVCpu, bool fEnable);
600	void nemR3NativeNotifyFF(PVM pVM, PVMCPU pVCpu, uint32_t fFlags);
601	#endif
602
603	void nemHCNativeNotifyHandlerPhysicalRegister(PVMCC pVM, PGMPHYSHANDLERKIND enmKind, RTGCPHYS GCPhys, RTGCPHYS cb);
604	void nemHCNativeNotifyHandlerPhysicalModify(PVMCC pVM, PGMPHYSHANDLERKIND enmKind, RTGCPHYS GCPhysOld,
605	RTGCPHYS GCPhysNew, RTGCPHYS cb, bool fRestoreAsRAM);
606	int nemHCNativeNotifyPhysPageAllocated(PVMCC pVM, RTGCPHYS GCPhys, RTHCPHYS HCPhys, uint32_t fPageProt,
607	PGMPAGETYPE enmType, uint8_t *pu2State);
608
609
610	#ifdef RT_OS_WINDOWS
611	/** Maximum number of pages we can map in a single NEMR0MapPages call. */
612	# define NEM_MAX_MAP_PAGES ((PAGE_SIZE - RT_UOFFSETOF(HV_INPUT_MAP_GPA_PAGES, PageList)) / sizeof(HV_SPA_PAGE_NUMBER))
613	/** Maximum number of pages we can unmap in a single NEMR0UnmapPages call. */
614	# define NEM_MAX_UNMAP_PAGES 4095
615
616	#endif
617	/** @} */
618
619	RT_C_DECLS_END
620
621	#endif /* !VMM_INCLUDED_SRC_include_NEMInternal_h */
622

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source: vbox/trunk/src/VBox/VMM/include/NEMInternal.h@ 92356

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