vmm.h@ 38320

Last change on this file since 38320 was 37452, checked in by vboxsync, 14 years ago
IOM,PDMCritSect: Extended PDMCritSectEnter to handle rcBusy=VINF_SUCCESS as a request to call ring-3 to acquire a busy lock. Implemented device level locking in the MMIO code.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 18.8 KB

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1	/** @file
2	* VMM - The Virtual Machine Monitor.
3	*/
4
5	/*
6	* Copyright (C) 2006-2010 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*/
25
26	#ifndef ___VBox_vmm_vmm_h
27	#define ___VBox_vmm_vmm_h
28
29	#include <VBox/types.h>
30	#include <VBox/vmm/vmapi.h>
31	#include <VBox/sup.h>
32	#include <VBox/log.h>
33	#include <iprt/stdarg.h>
34
35	RT_C_DECLS_BEGIN
36
37	/** @defgroup grp_vmm The Virtual Machine Monitor API
38	* @{
39	*/
40
41	/**
42	* World switcher identifiers.
43	*/
44	typedef enum VMMSWITCHER
45	{
46	/** The usual invalid 0. */
47	VMMSWITCHER_INVALID = 0,
48	/** Switcher for 32-bit host to 32-bit shadow paging. */
49	VMMSWITCHER_32_TO_32,
50	/** Switcher for 32-bit host paging to PAE shadow paging. */
51	VMMSWITCHER_32_TO_PAE,
52	/** Switcher for 32-bit host paging to AMD64 shadow paging. */
53	VMMSWITCHER_32_TO_AMD64,
54	/** Switcher for PAE host to 32-bit shadow paging. */
55	VMMSWITCHER_PAE_TO_32,
56	/** Switcher for PAE host to PAE shadow paging. */
57	VMMSWITCHER_PAE_TO_PAE,
58	/** Switcher for PAE host paging to AMD64 shadow paging. */
59	VMMSWITCHER_PAE_TO_AMD64,
60	/** Switcher for AMD64 host paging to 32-bit shadow paging. */
61	VMMSWITCHER_AMD64_TO_32,
62	/** Switcher for AMD64 host paging to PAE shadow paging. */
63	VMMSWITCHER_AMD64_TO_PAE,
64	/** Switcher for AMD64 host paging to AMD64 shadow paging. */
65	VMMSWITCHER_AMD64_TO_AMD64,
66	/** Used to make a count for array declarations and suchlike. */
67	VMMSWITCHER_MAX,
68	/** The usual 32-bit paranoia. */
69	VMMSWITCHER_32BIT_HACK = 0x7fffffff
70	} VMMSWITCHER;
71
72
73	/**
74	* VMMRZCallRing3 operations.
75	*/
76	typedef enum VMMCALLRING3
77	{
78	/** Invalid operation. */
79	VMMCALLRING3_INVALID = 0,
80	/** Acquire the PDM lock. */
81	VMMCALLRING3_PDM_LOCK,
82	/** Acquire the critical section specified as argument. */
83	VMMCALLRING3_PDM_CRIT_SECT_ENTER,
84	/** Acquire the PGM lock. */
85	VMMCALLRING3_PGM_LOCK,
86	/** Grow the PGM shadow page pool. */
87	VMMCALLRING3_PGM_POOL_GROW,
88	/** Maps a chunk into ring-3. */
89	VMMCALLRING3_PGM_MAP_CHUNK,
90	/** Allocates more handy pages. */
91	VMMCALLRING3_PGM_ALLOCATE_HANDY_PAGES,
92	/** Allocates a large (2MB) page. */
93	VMMCALLRING3_PGM_ALLOCATE_LARGE_HANDY_PAGE,
94	/** Acquire the MM hypervisor heap lock. */
95	VMMCALLRING3_MMHYPER_LOCK,
96	/** Replay the REM handler notifications. */
97	VMMCALLRING3_REM_REPLAY_HANDLER_NOTIFICATIONS,
98	/** Flush the GC/R0 logger. */
99	VMMCALLRING3_VMM_LOGGER_FLUSH,
100	/** Set the VM error message. */
101	VMMCALLRING3_VM_SET_ERROR,
102	/** Set the VM runtime error message. */
103	VMMCALLRING3_VM_SET_RUNTIME_ERROR,
104	/** Signal a ring 0 assertion. */
105	VMMCALLRING3_VM_R0_ASSERTION,
106	/** Ring switch to force preemption. */
107	VMMCALLRING3_VM_R0_PREEMPT,
108	/** Sync the FTM state with the standby node. */
109	VMMCALLRING3_FTM_SET_CHECKPOINT,
110	/** The usual 32-bit hack. */
111	VMMCALLRING3_32BIT_HACK = 0x7fffffff
112	} VMMCALLRING3;
113
114	/**
115	* VMMR3AtomicExecuteHandler callback function.
116	*
117	* @returns VBox status code.
118	* @param pVM Pointer to the shared VM structure.
119	* @param pvUser User specified argument
120	*
121	* @todo missing prefix.
122	*/
123	typedef DECLCALLBACK(int) FNATOMICHANDLER(PVM pVM, void *pvUser);
124	/** Pointer to a FNMMATOMICHANDLER(). */
125	typedef FNATOMICHANDLER *PFNATOMICHANDLER;
126
127	/**
128	* Rendezvous callback.
129	*
130	* @returns VBox strict status code - EM scheduling. Do not return
131	* informational status code other than the ones used by EM for
132	* scheduling.
133	*
134	* @param pVM The VM handle.
135	* @param pVCpu The handle of the calling virtual CPU.
136	* @param pvUser The user argument.
137	*/
138	typedef DECLCALLBACK(VBOXSTRICTRC) FNVMMEMTRENDEZVOUS(PVM pVM, PVMCPU pVCpu, void *pvUser);
139	/** Pointer to a rendezvous callback function. */
140	typedef FNVMMEMTRENDEZVOUS *PFNVMMEMTRENDEZVOUS;
141
142	/**
143	* Method table that the VMM uses to call back the user of the VMM.
144	*/
145	typedef struct VMM2USERMETHODS
146	{
147	/** Magic value (VMM2USERMETHODS_MAGIC). */
148	uint32_t u32Magic;
149	/** Structure version (VMM2USERMETHODS_VERSION). */
150	uint32_t u32Version;
151
152	/**
153	* Save the VM state.
154	*
155	* @returns VBox status code.
156	* @param pThis Pointer to the callback method table.
157	* @param pUVM The user mode VM handle.
158	*
159	* @remarks This member shall be set to NULL if the operation is not
160	* supported.
161	*/
162	DECLR3CALLBACKMEMBER(int, pfnSaveState,(PCVMM2USERMETHODS pThis, PUVM pUVM));
163	/** @todo Move pfnVMAtError and pfnCFGMConstructor here? */
164
165	/**
166	* EMT initialization notification callback.
167	*
168	* This is intended for doing per-thread initialization for EMTs (like COM
169	* init).
170	*
171	* @param pThis Pointer to the callback method table.
172	* @param pUVM The user mode VM handle.
173	* @param pUVCpu The user mode virtual CPU handle.
174	*
175	* @remarks This is optional and shall be set to NULL if not wanted.
176	*/
177	DECLR3CALLBACKMEMBER(void, pfnNotifyEmtInit,(PCVMM2USERMETHODS pThis, PUVM pUVM, PUVMCPU pUVCpu));
178
179	/**
180	* EMT termination notification callback.
181	*
182	* This is intended for doing per-thread cleanups for EMTs (like COM).
183	*
184	* @param pThis Pointer to the callback method table.
185	* @param pUVM The user mode VM handle.
186	* @param pUVCpu The user mode virtual CPU handle.
187	*
188	* @remarks This is optional and shall be set to NULL if not wanted.
189	*/
190	DECLR3CALLBACKMEMBER(void, pfnNotifyEmtTerm,(PCVMM2USERMETHODS pThis, PUVM pUVM, PUVMCPU pUVCpu));
191
192	/**
193	* PDM thread initialization notification callback.
194	*
195	* This is intended for doing per-thread initialization (like COM init).
196	*
197	* @param pThis Pointer to the callback method table.
198	* @param pUVM The user mode VM handle.
199	*
200	* @remarks This is optional and shall be set to NULL if not wanted.
201	*/
202	DECLR3CALLBACKMEMBER(void, pfnNotifyPdmtInit,(PCVMM2USERMETHODS pThis, PUVM pUVM));
203
204	/**
205	* EMT termination notification callback.
206	*
207	* This is intended for doing per-thread cleanups for EMTs (like COM).
208	*
209	* @param pThis Pointer to the callback method table.
210	* @param pUVM The user mode VM handle.
211	*
212	* @remarks This is optional and shall be set to NULL if not wanted.
213	*/
214	DECLR3CALLBACKMEMBER(void, pfnNotifyPdmtTerm,(PCVMM2USERMETHODS pThis, PUVM pUVM));
215
216	/** Magic value (VMM2USERMETHODS_MAGIC) marking the end of the structure. */
217	uint32_t u32EndMagic;
218	} VMM2USERMETHODS;
219
220	/** Magic value of the VMM2USERMETHODS (Franz Kafka). */
221	#define VMM2USERMETHODS_MAGIC UINT32_C(0x18830703)
222	/** The VMM2USERMETHODS structure version. */
223	#define VMM2USERMETHODS_VERSION UINT32_C(0x00020000)
224
225
226	VMMDECL(RTRCPTR) VMMGetStackRC(PVMCPU pVCpu);
227	VMMDECL(VMCPUID) VMMGetCpuId(PVM pVM);
228	VMMDECL(PVMCPU) VMMGetCpu(PVM pVM);
229	VMMDECL(PVMCPU) VMMGetCpu0(PVM pVM);
230	VMMDECL(PVMCPU) VMMGetCpuById(PVM pVM, VMCPUID idCpu);
231	VMMDECL(uint32_t) VMMGetSvnRev(void);
232	VMMDECL(VMMSWITCHER) VMMGetSwitcher(PVM pVM);
233	VMMDECL(void) VMMTrashVolatileXMMRegs(void);
234
235	/** @def VMMIsHwVirtExtForced
236	* Checks if forced to use the hardware assisted virtualization extensions.
237	*
238	* This is intended for making setup decisions where we can save resources when
239	* using hardware assisted virtualization.
240	*
241	* @returns true / false.
242	* @param pVM Pointer to the shared VM structure.
243	*/
244	#define VMMIsHwVirtExtForced(pVM) ((pVM)->fHwVirtExtForced)
245
246
247	#ifdef IN_RING3
248	/** @defgroup grp_vmm_r3 The VMM Host Context Ring 3 API
249	* @ingroup grp_vmm
250	* @{
251	*/
252	VMMR3_INT_DECL(int) VMMR3Init(PVM pVM);
253	VMMR3_INT_DECL(int) VMMR3InitR0(PVM pVM);
254	VMMR3_INT_DECL(int) VMMR3InitRC(PVM pVM);
255	VMMR3_INT_DECL(int) VMMR3InitCompleted(PVM pVM, VMINITCOMPLETED enmWhat);
256	VMMR3_INT_DECL(int) VMMR3Term(PVM pVM);
257	VMMR3_INT_DECL(void) VMMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
258	VMMR3_INT_DECL(int) VMMR3UpdateLoggers(PVM pVM);
259	VMMR3DECL(const char *) VMMR3GetRZAssertMsg1(PVM pVM);
260	VMMR3DECL(const char *) VMMR3GetRZAssertMsg2(PVM pVM);
261	VMMR3_INT_DECL(int) VMMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue);
262	VMMR3_INT_DECL(int) VMMR3SelectSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
263	VMMR3_INT_DECL(int) VMMR3DisableSwitcher(PVM pVM);
264	VMMR3_INT_DECL(RTR0PTR) VMMR3GetHostToGuestSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
265	VMMR3_INT_DECL(int) VMMR3RawRunGC(PVM pVM, PVMCPU pVCpu);
266	VMMR3_INT_DECL(int) VMMR3HwAccRunGC(PVM pVM, PVMCPU pVCpu);
267	VMMR3DECL(int) VMMR3CallRC(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, ...);
268	VMMR3DECL(int) VMMR3CallRCV(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, va_list args);
269	VMMR3DECL(int) VMMR3CallR0(PVM pVM, uint32_t uOperation, uint64_t u64Arg, PSUPVMMR0REQHDR pReqHdr);
270	VMMR3DECL(int) VMMR3ResumeHyper(PVM pVM, PVMCPU pVCpu);
271	VMMR3DECL(void) VMMR3FatalDump(PVM pVM, PVMCPU pVCpu, int rcErr);
272	VMMR3_INT_DECL(void) VMMR3YieldSuspend(PVM pVM);
273	VMMR3_INT_DECL(void) VMMR3YieldStop(PVM pVM);
274	VMMR3_INT_DECL(void) VMMR3YieldResume(PVM pVM);
275	VMMR3_INT_DECL(void) VMMR3SendSipi(PVM pVM, VMCPUID idCpu, uint32_t uVector);
276	VMMR3_INT_DECL(void) VMMR3SendInitIpi(PVM pVM, VMCPUID idCpu);
277	VMMR3DECL(int) VMMR3RegisterPatchMemory(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem);
278	VMMR3DECL(int) VMMR3DeregisterPatchMemory(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem);
279	VMMR3DECL(int) VMMR3AtomicExecuteHandler(PVM pVM, PFNATOMICHANDLER pfnHandler, void *pvUser);
280	VMMR3DECL(int) VMMR3EmtRendezvous(PVM pVM, uint32_t fFlags, PFNVMMEMTRENDEZVOUS pfnRendezvous, void *pvUser);
281	/** @defgroup grp_VMMR3EmtRendezvous_fFlags VMMR3EmtRendezvous flags
282	* @{ */
283	/** Execution type mask. */
284	#define VMMEMTRENDEZVOUS_FLAGS_TYPE_MASK UINT32_C(0x00000007)
285	/** Invalid execution type. */
286	#define VMMEMTRENDEZVOUS_FLAGS_TYPE_INVALID UINT32_C(0)
287	/** Let the EMTs execute the callback one by one (in no particular order). */
288	#define VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE UINT32_C(1)
289	/** Let all the EMTs execute the callback at the same time. */
290	#define VMMEMTRENDEZVOUS_FLAGS_TYPE_ALL_AT_ONCE UINT32_C(2)
291	/** Only execute the callback on one EMT (no particular one). */
292	#define VMMEMTRENDEZVOUS_FLAGS_TYPE_ONCE UINT32_C(3)
293	/** Let the EMTs execute the callback one by one in ascending order. */
294	#define VMMEMTRENDEZVOUS_FLAGS_TYPE_ASCENDING UINT32_C(4)
295	/** Let the EMTs execute the callback one by one in descending order. */
296	#define VMMEMTRENDEZVOUS_FLAGS_TYPE_DESCENDING UINT32_C(5)
297	/** Stop after the first error.
298	* This is not valid for any execution type where more than one EMT is active
299	* at a time. */
300	#define VMMEMTRENDEZVOUS_FLAGS_STOP_ON_ERROR UINT32_C(0x00000008)
301	/** The valid flags. */
302	#define VMMEMTRENDEZVOUS_FLAGS_VALID_MASK UINT32_C(0x0000000f)
303	/** @} */
304	VMMR3_INT_DECL(int) VMMR3EmtRendezvousFF(PVM pVM, PVMCPU pVCpu);
305	VMMR3_INT_DECL(int) VMMR3ReadR0Stack(PVM pVM, VMCPUID idCpu, RTHCUINTPTR R0Addr, void *pvBuf, size_t cbRead);
306	/** @} */
307	#endif /* IN_RING3 */
308
309
310	/** @defgroup grp_vmm_r0 The VMM Host Context Ring 0 API
311	* @ingroup grp_vmm
312	* @{
313	*/
314
315	/**
316	* The VMMR0Entry() codes.
317	*/
318	typedef enum VMMR0OPERATION
319	{
320	/** Run guest context. */
321	VMMR0_DO_RAW_RUN = SUP_VMMR0_DO_RAW_RUN,
322	/** Run guest code using the available hardware acceleration technology. */
323	VMMR0_DO_HWACC_RUN = SUP_VMMR0_DO_HWACC_RUN,
324	/** Official NOP that we use for profiling. */
325	VMMR0_DO_NOP = SUP_VMMR0_DO_NOP,
326	/** Official slow iocl NOP that we use for profiling. */
327	VMMR0_DO_SLOW_NOP,
328
329	/** Ask the GVMM to create a new VM. */
330	VMMR0_DO_GVMM_CREATE_VM,
331	/** Ask the GVMM to destroy the VM. */
332	VMMR0_DO_GVMM_DESTROY_VM,
333	/** Call GVMMR0SchedHalt(). */
334	VMMR0_DO_GVMM_SCHED_HALT,
335	/** Call GVMMR0SchedWakeUp(). */
336	VMMR0_DO_GVMM_SCHED_WAKE_UP,
337	/** Call GVMMR0SchedPoke(). */
338	VMMR0_DO_GVMM_SCHED_POKE,
339	/** Call GVMMR0SchedWakeUpAndPokeCpus(). */
340	VMMR0_DO_GVMM_SCHED_WAKE_UP_AND_POKE_CPUS,
341	/** Call GVMMR0SchedPoll(). */
342	VMMR0_DO_GVMM_SCHED_POLL,
343	/** Call GVMMR0QueryStatistics(). */
344	VMMR0_DO_GVMM_QUERY_STATISTICS,
345	/** Call GVMMR0ResetStatistics(). */
346	VMMR0_DO_GVMM_RESET_STATISTICS,
347	/** Call GVMMR0RegisterVCpu(). */
348	VMMR0_DO_GVMM_REGISTER_VMCPU,
349
350	/** Call VMMR0 Per VM Init. */
351	VMMR0_DO_VMMR0_INIT,
352	/** Call VMMR0 Per VM Termination. */
353	VMMR0_DO_VMMR0_TERM,
354	/** Setup the hardware accelerated raw-mode session. */
355	VMMR0_DO_HWACC_SETUP_VM,
356	/** Attempt to enable or disable hardware accelerated raw-mode. */
357	VMMR0_DO_HWACC_ENABLE,
358	/** Calls function in the hypervisor.
359	* The caller must setup the hypervisor context so the call will be performed.
360	* The difference between VMMR0_DO_RUN_GC and this one is the handling of
361	* the return GC code. The return code will not be interpreted by this operation.
362	*/
363	VMMR0_DO_CALL_HYPERVISOR,
364
365	/** Call PGMR0PhysAllocateHandyPages(). */
366	VMMR0_DO_PGM_ALLOCATE_HANDY_PAGES,
367	/** Call PGMR0AllocateLargePage(). */
368	VMMR0_DO_PGM_ALLOCATE_LARGE_HANDY_PAGE,
369	/** Call PGMR0PhysSetupIommu(). */
370	VMMR0_DO_PGM_PHYS_SETUP_IOMMU,
371
372	/** Call GMMR0InitialReservation(). */
373	VMMR0_DO_GMM_INITIAL_RESERVATION,
374	/** Call GMMR0UpdateReservation(). */
375	VMMR0_DO_GMM_UPDATE_RESERVATION,
376	/** Call GMMR0AllocatePages(). */
377	VMMR0_DO_GMM_ALLOCATE_PAGES,
378	/** Call GMMR0FreePages(). */
379	VMMR0_DO_GMM_FREE_PAGES,
380	/** Call GMMR0FreeLargePage(). */
381	VMMR0_DO_GMM_FREE_LARGE_PAGE,
382	/** Call GMMR0QueryHypervisorMemoryStatsReq(). */
383	VMMR0_DO_GMM_QUERY_HYPERVISOR_MEM_STATS,
384	/** Call GMMR0QueryMemoryStatsReq(). */
385	VMMR0_DO_GMM_QUERY_MEM_STATS,
386	/** Call GMMR0BalloonedPages(). */
387	VMMR0_DO_GMM_BALLOONED_PAGES,
388	/** Call GMMR0MapUnmapChunk(). */
389	VMMR0_DO_GMM_MAP_UNMAP_CHUNK,
390	/** Call GMMR0SeedChunk(). */
391	VMMR0_DO_GMM_SEED_CHUNK,
392	/** Call GMMR0RegisterSharedModule. */
393	VMMR0_DO_GMM_REGISTER_SHARED_MODULE,
394	/** Call GMMR0UnregisterSharedModule. */
395	VMMR0_DO_GMM_UNREGISTER_SHARED_MODULE,
396	/** Call GMMR0ResetSharedModules. */
397	VMMR0_DO_GMM_RESET_SHARED_MODULES,
398	/** Call GMMR0CheckSharedModules. */
399	VMMR0_DO_GMM_CHECK_SHARED_MODULES,
400	/** Call GMMR0FindDuplicatePage. */
401	VMMR0_DO_GMM_FIND_DUPLICATE_PAGE,
402
403	/** Set a GVMM or GMM configuration value. */
404	VMMR0_DO_GCFGM_SET_VALUE,
405	/** Query a GVMM or GMM configuration value. */
406	VMMR0_DO_GCFGM_QUERY_VALUE,
407
408	/** Call PDMR0DriverCallReqHandler. */
409	VMMR0_DO_PDM_DRIVER_CALL_REQ_HANDLER,
410	/** Call PDMR0DeviceCallReqHandler. */
411	VMMR0_DO_PDM_DEVICE_CALL_REQ_HANDLER,
412
413	/** The start of the R0 service operations. */
414	VMMR0_DO_SRV_START,
415	/** Call IntNetR0Open(). */
416	VMMR0_DO_INTNET_OPEN,
417	/** Call IntNetR0IfClose(). */
418	VMMR0_DO_INTNET_IF_CLOSE,
419	/** Call IntNetR0IfGetBufferPtrs(). */
420	VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS,
421	/** Call IntNetR0IfSetPromiscuousMode(). */
422	VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE,
423	/** Call IntNetR0IfSetMacAddress(). */
424	VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS,
425	/** Call IntNetR0IfSetActive(). */
426	VMMR0_DO_INTNET_IF_SET_ACTIVE,
427	/** Call IntNetR0IfSend(). */
428	VMMR0_DO_INTNET_IF_SEND,
429	/** Call IntNetR0IfWait(). */
430	VMMR0_DO_INTNET_IF_WAIT,
431	/** Call IntNetR0IfAbortWait(). */
432	VMMR0_DO_INTNET_IF_ABORT_WAIT,
433
434	/** Forward call to the PCI driver */
435	VMMR0_DO_PCIRAW_REQ,
436
437	/** The end of the R0 service operations. */
438	VMMR0_DO_SRV_END,
439
440	/** Official call we use for testing Ring-0 APIs. */
441	VMMR0_DO_TESTS,
442	/** Test the 32->64 bits switcher. */
443	VMMR0_DO_TEST_SWITCHER3264,
444
445	/** The usual 32-bit type blow up. */
446	VMMR0_DO_32BIT_HACK = 0x7fffffff
447	} VMMR0OPERATION;
448
449
450	/**
451	* Request buffer for VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE.
452	* @todo Move got GCFGM.h when it's implemented.
453	*/
454	typedef struct GCFGMVALUEREQ
455	{
456	/** The request header.*/
457	SUPVMMR0REQHDR Hdr;
458	/** The support driver session handle. */
459	PSUPDRVSESSION pSession;
460	/** The value.
461	* This is input for the set request and output for the query. */
462	uint64_t u64Value;
463	/** The variable name.
464	* This is fixed sized just to make things simple for the mock-up. */
465	char szName[48];
466	} GCFGMVALUEREQ;
467	/** Pointer to a VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE request buffer.
468	* @todo Move got GCFGM.h when it's implemented.
469	*/
470	typedef GCFGMVALUEREQ *PGCFGMVALUEREQ;
471
472	VMMR0DECL(int) VMMR0EntryInt(PVM pVM, VMMR0OPERATION enmOperation, void *pvArg);
473	VMMR0DECL(void) VMMR0EntryFast(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation);
474	VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION);
475	VMMR0DECL(int) VMMR0TermVM(PVM pVM, PGVM pGVM);
476
477	#ifdef LOG_ENABLED
478	VMMR0DECL(void) VMMR0LogFlushDisable(PVMCPU pVCpu);
479	VMMR0DECL(void) VMMR0LogFlushEnable(PVMCPU pVCpu);
480	#else
481	#define VMMR0LogFlushDisable(pVCpu) do { } while(0)
482	#define VMMR0LogFlushEnable(pVCpu) do { } while(0)
483	#endif
484
485	/** @} */
486
487
488	#ifdef IN_RC
489	/** @defgroup grp_vmm_rc The VMM Raw-Mode Context API
490	* @ingroup grp_vmm
491	* @{
492	*/
493	VMMRCDECL(int) VMMGCEntry(PVM pVM, unsigned uOperation, unsigned uArg, ...);
494	VMMRCDECL(void) VMMGCGuestToHost(PVM pVM, int rc);
495	VMMRCDECL(void) VMMGCLogFlushIfFull(PVM pVM);
496	/** @} */
497	#endif /* IN_RC */
498
499	#if defined(IN_RC) \|\| defined(IN_RING0)
500	/** @defgroup grp_vmm_rz The VMM Raw-Mode and Ring-0 Context API
501	* @ingroup grp_vmm
502	* @{
503	*/
504	VMMRZDECL(int) VMMRZCallRing3(PVM pVM, PVMCPU pVCpu, VMMCALLRING3 enmOperation, uint64_t uArg);
505	VMMRZDECL(int) VMMRZCallRing3NoCpu(PVM pVM, VMMCALLRING3 enmOperation, uint64_t uArg);
506	VMMRZDECL(void) VMMRZCallRing3Disable(PVMCPU pVCpu);
507	VMMRZDECL(void) VMMRZCallRing3Enable(PVMCPU pVCpu);
508	VMMRZDECL(bool) VMMRZCallRing3IsEnabled(PVMCPU pVCpu);
509	/** @} */
510	#endif
511
512
513	/** @} */
514	RT_C_DECLS_END
515
516	#endif

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source: vbox/trunk/include/VBox/vmm/vmm.h@ 38320

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