VMMDevState.h@ 81570

Last change on this file since 81570 was 81570, checked in by vboxsync, 5 years ago
VMMDev: cleanups. bugref:9218
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1	/* $Id: VMMDevState.h 81570 2019-10-29 12:11:43Z vboxsync $ */
2	/** @file
3	* VMMDev - Guest <-> VMM/Host communication device, internal header.
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 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 VBOX_INCLUDED_SRC_VMMDev_VMMDevState_h
19	#define VBOX_INCLUDED_SRC_VMMDev_VMMDevState_h
20	#ifndef RT_WITHOUT_PRAGMA_ONCE
21	# pragma once
22	#endif
23
24	#include <VBoxVideo.h> /* For VBVA definitions. */
25	#include <VBox/VMMDev.h>
26	#include <VBox/vmm/pdmdev.h>
27	#include <VBox/vmm/pdmifs.h>
28	#ifndef VBOX_WITHOUT_TESTING_FEATURES
29	# include <iprt/test.h>
30	# include <VBox/VMMDevTesting.h>
31	#endif
32
33	#include <iprt/list.h>
34	#include <iprt/memcache.h>
35
36
37	#define VMMDEV_WITH_ALT_TIMESYNC
38
39	/** Request locking structure (HGCM optimization). */
40	typedef struct VMMDEVREQLOCK
41	{
42	void *pvReq;
43	PGMPAGEMAPLOCK Lock;
44	} VMMDEVREQLOCK;
45	/** Pointer to a request lock structure. */
46	typedef VMMDEVREQLOCK *PVMMDEVREQLOCK;
47
48	typedef struct DISPLAYCHANGEREQUEST
49	{
50	bool fPending;
51	bool afAlignment[3];
52	VMMDevDisplayDef displayChangeRequest;
53	VMMDevDisplayDef lastReadDisplayChangeRequest;
54	} DISPLAYCHANGEREQUEST;
55
56	typedef struct DISPLAYCHANGEDATA
57	{
58	/* Which monitor is being reported to the guest. */
59	int32_t iCurrentMonitor;
60
61	/** true if the guest responded to VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST at least once */
62	bool fGuestSentChangeEventAck;
63	bool afAlignment[3];
64
65	DISPLAYCHANGEREQUEST aRequests[VBOX_VIDEO_MAX_SCREENS];
66	} DISPLAYCHANGEDATA;
67
68
69	/**
70	* Credentials for automatic guest logon and host configured logon (?).
71	*
72	* This is not stored in the same block as the instance data in order to make it
73	* harder to access.
74	*/
75	typedef struct VMMDEVCREDS
76	{
77	/** credentials for guest logon purposes */
78	struct
79	{
80	char szUserName[VMMDEV_CREDENTIALS_SZ_SIZE];
81	char szPassword[VMMDEV_CREDENTIALS_SZ_SIZE];
82	char szDomain[VMMDEV_CREDENTIALS_SZ_SIZE];
83	bool fAllowInteractiveLogon;
84	} Logon;
85
86	/** credentials for verification by guest */
87	struct
88	{
89	char szUserName[VMMDEV_CREDENTIALS_SZ_SIZE];
90	char szPassword[VMMDEV_CREDENTIALS_SZ_SIZE];
91	char szDomain[VMMDEV_CREDENTIALS_SZ_SIZE];
92	} Judge;
93	} VMMDEVCREDS;
94
95
96	/**
97	* Facility status entry.
98	*/
99	typedef struct VMMDEVFACILITYSTATUSENTRY
100	{
101	/** The facility (may contain values other than the defined ones). */
102	VBoxGuestFacilityType enmFacility;
103	/** The status (may contain values other than the defined ones). */
104	VBoxGuestFacilityStatus enmStatus;
105	/** Whether this entry is fixed and cannot be reused when inactive. */
106	bool fFixed;
107	/** Explicit alignment padding / reserved for future use. MBZ. */
108	bool afPadding[3];
109	/** The facility flags (yet to be defined). */
110	uint32_t fFlags;
111	/** Last update timestamp. */
112	RTTIMESPEC TimeSpecTS;
113	} VMMDEVFACILITYSTATUSENTRY;
114	/** Pointer to a facility status entry. */
115	typedef VMMDEVFACILITYSTATUSENTRY *PVMMDEVFACILITYSTATUSENTRY;
116
117
118	/**
119	* State structure for the VMM device.
120	*/
121	typedef struct VMMDevState
122	{
123	/** The critical section for this device.
124	* @remarks We use this rather than the default one, it's simpler with all
125	* the driver interfaces where we have to waste time digging out the
126	* PDMDEVINS structure. */
127	PDMCRITSECT CritSect;
128
129	/** mouse capabilities of host and guest */
130	uint32_t fMouseCapabilities;
131	/** @name Absolute mouse position in pixels
132	* @{ */
133	int32_t xMouseAbs;
134	int32_t yMouseAbs;
135	/** @} */
136	/** Does the guest currently want the host pointer to be shown? */
137	uint32_t fHostCursorRequested;
138
139	/** Pointer to device instance - R3 poitner. */
140	PPDMDEVINSR3 pDevInsR3;
141	/** Pointer to device instance - R0 pointer. */
142	PPDMDEVINSR0 pDevInsR0;
143
144	/** LUN\#0 + Status: VMMDev port base interface. */
145	PDMIBASE IBase;
146	/** LUN\#0: VMMDev port interface. */
147	PDMIVMMDEVPORT IPort;
148	#ifdef VBOX_WITH_HGCM
149	/** LUN\#0: HGCM port interface. */
150	PDMIHGCMPORT IHGCMPort;
151	//# if HC_ARCH_BITS == 32
152	// RTR3PTR R3PtrAlignment1;
153	//# endif
154	#endif
155	/** Pointer to base interface of the driver. */
156	R3PTRTYPE(PPDMIBASE) pDrvBase;
157	/** VMMDev connector interface */
158	R3PTRTYPE(PPDMIVMMDEVCONNECTOR) pDrv;
159	#ifdef VBOX_WITH_HGCM
160	/** HGCM connector interface */
161	R3PTRTYPE(PPDMIHGCMCONNECTOR) pHGCMDrv;
162	#endif
163	/** message buffer for backdoor logging. */
164	char szMsg[512];
165	/** message buffer index. */
166	uint32_t offMsg;
167	/** Alignment padding. */
168	uint32_t u32Alignment2;
169
170	/** Statistics counter for slow IRQ ACK. */
171	STAMCOUNTER StatSlowIrqAck;
172	/** Statistics counter for fast IRQ ACK - R3. */
173	STAMCOUNTER StatFastIrqAckR3;
174	/** Statistics counter for fast IRQ ACK - R0 / RC. */
175	STAMCOUNTER StatFastIrqAckRZ;
176	/** Current host side event flags - VMMDEV_EVENT_XXX. */
177	uint32_t fHostEventFlags;
178	/** Mask of events guest is interested in - VMMDEV_EVENT_XXX.
179	* @note The HGCM events are enabled automatically by the VMMDev device when
180	* guest issues HGCM commands. */
181	uint32_t fGuestFilterMask;
182	/** Delayed mask of guest events - VMMDEV_EVENT_XXX. */
183	uint32_t fNewGuestFilterMask;
184	/** Flag whether fNewGuestFilterMask is valid */
185	bool fNewGuestFilterMaskValid;
186	/** Alignment padding. */
187	bool afAlignment3[7];
188
189	/** GC physical address of VMMDev RAM area */
190	RTGCPHYS32 GCPhysVMMDevRAM;
191	/** R3 pointer to VMMDev RAM area */
192	R3PTRTYPE(VMMDevMemory *) pVMMDevRAMR3;
193	/** R0 pointer to VMMDev RAM area - first page only, could be NULL! */
194	R0PTRTYPE(VMMDevMemory *) pVMMDevRAMR0;
195	#ifdef VBOX_WITH_RAW_MODE_KEEP
196	/** R0 pointer to VMMDev RAM area - first page only, could be NULL! */
197	RCPTRTYPE(VMMDevMemory *) pVMMDevRAMRC;
198	RTRCPTR RCPtrAlignment3b;
199	#endif
200
201	/** R3 pointer to VMMDev Heap RAM area. */
202	R3PTRTYPE(VMMDevMemory *) pVMMDevHeapR3;
203	/** GC physical address of VMMDev Heap RAM area */
204	RTGCPHYS32 GCPhysVMMDevHeap;
205
206	/** Information reported by guest via VMMDevReportGuestInfo generic request.
207	* Until this information is reported the VMMDev refuses any other requests.
208	*/
209	VBoxGuestInfo guestInfo;
210	/** Information report \#2, chewed a little. */
211	struct
212	{
213	uint32_t uFullVersion; /*< non-zero if info is present. /
214	uint32_t uRevision;
215	uint32_t fFeatures;
216	char szName[128];
217	} guestInfo2;
218
219	/** Array of guest facility statuses. */
220	VMMDEVFACILITYSTATUSENTRY aFacilityStatuses[32];
221	/** The number of valid entries in the facility status array. */
222	uint32_t cFacilityStatuses;
223
224	/** Information reported by guest via VMMDevReportGuestCapabilities - VMMDEV_GUEST_SUPPORTS_XXX. */
225	uint32_t fGuestCaps;
226
227	/** "Additions are Ok" indicator, set to true after processing VMMDevReportGuestInfo,
228	* if additions version is compatible. This flag is here to avoid repeated comparing
229	* of the version in guestInfo.
230	*/
231	uint32_t fu32AdditionsOk;
232
233	/** Video acceleration status set by guest. */
234	uint32_t u32VideoAccelEnabled;
235
236	DISPLAYCHANGEDATA displayChangeData;
237
238	/** Pointer to the credentials. */
239	R3PTRTYPE(VMMDEVCREDS *) pCredentials;
240
241	#if HC_ARCH_BITS == 32
242	uint32_t uAlignment4;
243	#endif
244
245	/** memory balloon change request */
246	uint32_t cMbMemoryBalloon;
247	/** The last balloon size queried by the guest additions. */
248	uint32_t cMbMemoryBalloonLast;
249
250	/** guest ram size */
251	uint64_t cbGuestRAM;
252
253	/** unique session id; the id will be different after each start, reset or restore of the VM. */
254	uint64_t idSession;
255
256	/** Statistics interval in seconds. */
257	uint32_t cSecsStatInterval;
258	/** The statistics interval last returned to the guest. */
259	uint32_t cSecsLastStatInterval;
260
261	/** Whether seamless is enabled or not. */
262	bool fSeamlessEnabled;
263	/** The last fSeamlessEnabled state returned to the guest. */
264	bool fLastSeamlessEnabled;
265	bool afAlignment5[1];
266
267	bool fVRDPEnabled;
268	uint32_t uVRDPExperienceLevel;
269
270	#ifdef VMMDEV_WITH_ALT_TIMESYNC
271	uint64_t msLatchedHostTime;
272	bool fTimesyncBackdoorLo;
273	bool afAlignment6[2];
274	#else
275	bool afAlignment6[1+2];
276	#endif
277
278	/** Set if GetHostTime should fail.
279	* Loaded from the GetHostTimeDisabled configuration value. */
280	bool fGetHostTimeDisabled;
281	/** Set if backdoor logging should be disabled (output will be ignored then) */
282	bool fBackdoorLogDisabled;
283	/** Don't clear credentials */
284	bool fKeepCredentials;
285	/** Heap enabled. */
286	bool fHeapEnabled;
287
288	/** Guest Core Dumping enabled. */
289	bool fGuestCoreDumpEnabled;
290	/** Guest Core Dump location. */
291	char szGuestCoreDumpDir[RTPATH_MAX];
292	/** Number of additional cores to keep around. */
293	uint32_t cGuestCoreDumps;
294
295	#ifdef VBOX_WITH_HGCM
296	/** List of pending HGCM requests (VBOXHGCMCMD). */
297	RTLISTANCHORR3 listHGCMCmd;
298	/** Critical section to protect the list. */
299	RTCRITSECT critsectHGCMCmdList;
300	/** Whether the HGCM events are already automatically enabled. */
301	uint32_t u32HGCMEnabled;
302	/** Saved state version of restored commands. */
303	uint32_t u32SSMVersion;
304	RTMEMCACHE hHgcmCmdCache;
305	STAMPROFILE StatHgcmCmdArrival;
306	STAMPROFILE StatHgcmCmdCompletion;
307	STAMPROFILE StatHgcmCmdTotal;
308	STAMCOUNTER StatHgcmLargeCmdAllocs;
309	STAMCOUNTER StatHgcmFailedPageListLocking;
310	#endif /* VBOX_WITH_HGCM */
311	STAMCOUNTER StatReqBufAllocs;
312
313	/** Per CPU request 4K sized buffers, allocated as needed. */
314	R3PTRTYPE(VMMDevRequestHeader *) apReqBufs[VMM_MAX_CPU_COUNT];
315
316	/** Status LUN: Shared folders LED */
317	struct
318	{
319	/** The LED. */
320	PDMLED Led;
321	/** The LED ports. */
322	PDMILEDPORTS ILeds;
323	/** Partner of ILeds. */
324	R3PTRTYPE(PPDMILEDCONNECTORS) pLedsConnector;
325	} SharedFolders;
326
327	/** FLag whether CPU hotplug events are monitored */
328	bool fCpuHotPlugEventsEnabled;
329	/** Alignment padding. */
330	bool afPadding8[3];
331	/** CPU hotplug event */
332	VMMDevCpuEventType enmCpuHotPlugEvent;
333	/** Core id of the CPU to change */
334	uint32_t idCpuCore;
335	/** Package id of the CPU to change */
336	uint32_t idCpuPackage;
337
338	uint32_t StatMemBalloonChunks;
339
340	/** Set if RC/R0 is enabled. */
341	bool fRZEnabled;
342	/** Set if testing is enabled. */
343	bool fTestingEnabled;
344	/** Set if testing the MMIO testing range is enabled. */
345	bool fTestingMMIO;
346	/** Alignment padding. */
347	bool afPadding9[HC_ARCH_BITS == 32 ? 1 : 5];
348	#ifndef VBOX_WITHOUT_TESTING_FEATURES
349	/** The high timestamp value. */
350	uint32_t u32TestingHighTimestamp;
351	/** The current testing command (VMMDEV_TESTING_CMD_XXX). */
352	uint32_t u32TestingCmd;
353	/** The testing data offset (command specific). */
354	uint32_t offTestingData;
355	/** For buffering the what comes in over the testing data port. */
356	union
357	{
358	char padding[1024];
359
360	/** VMMDEV_TESTING_CMD_INIT, VMMDEV_TESTING_CMD_SUB_NEW,
361	* VMMDEV_TESTING_CMD_FAILED. */
362	struct
363	{
364	char sz[1024];
365	} String, Init, SubNew, Failed;
366
367	/** VMMDEV_TESTING_CMD_TERM, VMMDEV_TESTING_CMD_SUB_DONE. */
368	struct
369	{
370	uint32_t c;
371	} Error, Term, SubDone;
372
373	/** VMMDEV_TESTING_CMD_VALUE. */
374	struct
375	{
376	RTUINT64U u64Value;
377	uint32_t u32Unit;
378	char szName[1024 - 8 - 4];
379	} Value;
380
381	/** The read back register (VMMDEV_TESTING_MMIO_OFF_READBACK,
382	* VMMDEV_TESTING_MMIO_OFF_READBACK_R3). */
383	uint8_t abReadBack[VMMDEV_TESTING_READBACK_SIZE];
384	} TestingData;
385	/** The XML output file name (can be a named pipe, doesn't matter to us). */
386	R3PTRTYPE(char *) pszTestingXmlOutput;
387	/** Testing instance for dealing with the output. */
388	RTTEST hTestingTest;
389	#endif /* !VBOX_WITHOUT_TESTING_FEATURES */
390
391	/** @name Heartbeat
392	* @{ */
393	/** Timestamp of the last heartbeat from guest in nanosec. */
394	uint64_t volatile nsLastHeartbeatTS;
395	/** Indicates whether we missed HB from guest on last check. */
396	bool volatile fFlatlined;
397	/** Indicates whether heartbeat check is active. */
398	bool volatile fHeartbeatActive;
399	/** Alignment padding. */
400	bool afAlignment8[6];
401	/** Guest heartbeat interval in nanoseconds.
402	* This is the interval the guest is told to produce heartbeats at. */
403	uint64_t cNsHeartbeatInterval;
404	/** The amount of time without a heartbeat (nanoseconds) before we
405	* conclude the guest is doing a Dixie Flatline (Neuromancer) impression. */
406	uint64_t cNsHeartbeatTimeout;
407	/** Timer for signalling a flatlined guest. */
408	PTMTIMERR3 pFlatlinedTimer;
409	/** @} */
410	} VMMDevState;
411	typedef VMMDevState VMMDEV;
412	/** Pointer to the VMM device state. */
413	typedef VMMDEV *PVMMDEV;
414	AssertCompileMemberAlignment(VMMDEV, CritSect, 8);
415	AssertCompileMemberAlignment(VMMDEV, StatSlowIrqAck, 8);
416	AssertCompileMemberAlignment(VMMDEV, cbGuestRAM, 8);
417	AssertCompileMemberAlignment(VMMDEV, enmCpuHotPlugEvent, 4);
418	AssertCompileMemberAlignment(VMMDEV, aFacilityStatuses, 8);
419	#ifndef VBOX_WITHOUT_TESTING_FEATURES
420	AssertCompileMemberAlignment(VMMDEV, TestingData.Value.u64Value, 8);
421	#endif
422
423
424	void VMMDevNotifyGuest(VMMDEV *pVMMDevState, uint32_t u32EventMask);
425	void VMMDevCtlSetGuestFilterMask(VMMDEV *pVMMDevState, uint32_t u32OrMask, uint32_t u32NotMask);
426
427
428	/** The saved state version. */
429	#define VMMDEV_SAVED_STATE_VERSION VMMDEV_SAVED_STATE_VERSION_HGCM_PARAMS
430	/** Updated HGCM commands. */
431	#define VMMDEV_SAVED_STATE_VERSION_HGCM_PARAMS 17
432	/** The saved state version with heartbeat state. */
433	#define VMMDEV_SAVED_STATE_VERSION_HEARTBEAT 16
434	/** The saved state version without heartbeat state. */
435	#define VMMDEV_SAVED_STATE_VERSION_NO_HEARTBEAT 15
436	/** The saved state version which is missing the guest facility statuses. */
437	#define VMMDEV_SAVED_STATE_VERSION_MISSING_FACILITY_STATUSES 14
438	/** The saved state version which is missing the guestInfo2 bits. */
439	#define VMMDEV_SAVED_STATE_VERSION_MISSING_GUEST_INFO_2 13
440	/** The saved state version used by VirtualBox 3.0.
441	* This doesn't have the config part. */
442	#define VMMDEV_SAVED_STATE_VERSION_VBOX_30 11
443
444	#endif /* !VBOX_INCLUDED_SRC_VMMDev_VMMDevState_h */
445

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source: vbox/trunk/src/VBox/Devices/VMMDev/VMMDevState.h@ 81570

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