VirtualBox

source: vbox/trunk/include/VBox/vmm/vmm.h@ 44146

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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
35RT_C_DECLS_BEGIN
36
37/** @defgroup grp_vmm The Virtual Machine Monitor API
38 * @{
39 */
40
41/**
42 * World switcher identifiers.
43 */
44typedef 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 */
76typedef 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 */
123typedef DECLCALLBACK(int) FNATOMICHANDLER(PVM pVM, void *pvUser);
124/** Pointer to a FNMMATOMICHANDLER(). */
125typedef 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 */
138typedef DECLCALLBACK(VBOXSTRICTRC) FNVMMEMTRENDEZVOUS(PVM pVM, PVMCPU pVCpu, void *pvUser);
139/** Pointer to a rendezvous callback function. */
140typedef FNVMMEMTRENDEZVOUS *PFNVMMEMTRENDEZVOUS;
141
142/**
143 * Method table that the VMM uses to call back the user of the VMM.
144 */
145typedef 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
226VMMDECL(RTRCPTR) VMMGetStackRC(PVMCPU pVCpu);
227VMMDECL(VMCPUID) VMMGetCpuId(PVM pVM);
228VMMDECL(PVMCPU) VMMGetCpu(PVM pVM);
229VMMDECL(PVMCPU) VMMGetCpu0(PVM pVM);
230VMMDECL(PVMCPU) VMMGetCpuById(PVM pVM, VMCPUID idCpu);
231VMMDECL(uint32_t) VMMGetSvnRev(void);
232VMMDECL(VMMSWITCHER) VMMGetSwitcher(PVM pVM);
233VMMDECL(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 */
252VMMR3_INT_DECL(int) VMMR3Init(PVM pVM);
253VMMR3_INT_DECL(int) VMMR3InitR0(PVM pVM);
254VMMR3_INT_DECL(int) VMMR3InitRC(PVM pVM);
255VMMR3_INT_DECL(int) VMMR3InitCompleted(PVM pVM, VMINITCOMPLETED enmWhat);
256VMMR3_INT_DECL(int) VMMR3Term(PVM pVM);
257VMMR3_INT_DECL(void) VMMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
258VMMR3_INT_DECL(int) VMMR3UpdateLoggers(PVM pVM);
259VMMR3DECL(const char *) VMMR3GetRZAssertMsg1(PVM pVM);
260VMMR3DECL(const char *) VMMR3GetRZAssertMsg2(PVM pVM);
261VMMR3_INT_DECL(int) VMMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue);
262VMMR3_INT_DECL(int) VMMR3SelectSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
263VMMR3_INT_DECL(int) VMMR3DisableSwitcher(PVM pVM);
264VMMR3_INT_DECL(RTR0PTR) VMMR3GetHostToGuestSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
265VMMR3_INT_DECL(int) VMMR3RawRunGC(PVM pVM, PVMCPU pVCpu);
266VMMR3_INT_DECL(int) VMMR3HmRunGC(PVM pVM, PVMCPU pVCpu);
267VMMR3DECL(int) VMMR3CallRC(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, ...);
268VMMR3DECL(int) VMMR3CallRCV(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, va_list args);
269VMMR3DECL(int) VMMR3CallR0(PVM pVM, uint32_t uOperation, uint64_t u64Arg, PSUPVMMR0REQHDR pReqHdr);
270VMMR3DECL(int) VMMR3ResumeHyper(PVM pVM, PVMCPU pVCpu);
271VMMR3DECL(void) VMMR3FatalDump(PVM pVM, PVMCPU pVCpu, int rcErr);
272VMMR3_INT_DECL(void) VMMR3YieldSuspend(PVM pVM);
273VMMR3_INT_DECL(void) VMMR3YieldStop(PVM pVM);
274VMMR3_INT_DECL(void) VMMR3YieldResume(PVM pVM);
275VMMR3_INT_DECL(void) VMMR3SendSipi(PVM pVM, VMCPUID idCpu, uint32_t uVector);
276VMMR3_INT_DECL(void) VMMR3SendInitIpi(PVM pVM, VMCPUID idCpu);
277VMMR3DECL(int) VMMR3RegisterPatchMemory(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem);
278VMMR3DECL(int) VMMR3DeregisterPatchMemory(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem);
279VMMR3DECL(int) VMMR3EmtRendezvous(PVM pVM, uint32_t fFlags, PFNVMMEMTRENDEZVOUS pfnRendezvous, void *pvUser);
280VMMR3_INT_DECL(bool) VMMR3EmtRendezvousSetDisabled(PVMCPU pVCpu, bool fDisabled);
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/** @} */
304VMMR3_INT_DECL(int) VMMR3EmtRendezvousFF(PVM pVM, PVMCPU pVCpu);
305VMMR3_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 */
318typedef 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_HM_RUN = SUP_VMMR0_DO_HM_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_HM_SETUP_VM,
356 /** Attempt to enable or disable hardware accelerated raw-mode. */
357 VMMR0_DO_HM_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 PGMR0PhysFlushHandyPages(). */
368 VMMR0_DO_PGM_FLUSH_HANDY_PAGES,
369 /** Call PGMR0AllocateLargePage(). */
370 VMMR0_DO_PGM_ALLOCATE_LARGE_HANDY_PAGE,
371 /** Call PGMR0PhysSetupIommu(). */
372 VMMR0_DO_PGM_PHYS_SETUP_IOMMU,
373
374 /** Call GMMR0InitialReservation(). */
375 VMMR0_DO_GMM_INITIAL_RESERVATION,
376 /** Call GMMR0UpdateReservation(). */
377 VMMR0_DO_GMM_UPDATE_RESERVATION,
378 /** Call GMMR0AllocatePages(). */
379 VMMR0_DO_GMM_ALLOCATE_PAGES,
380 /** Call GMMR0FreePages(). */
381 VMMR0_DO_GMM_FREE_PAGES,
382 /** Call GMMR0FreeLargePage(). */
383 VMMR0_DO_GMM_FREE_LARGE_PAGE,
384 /** Call GMMR0QueryHypervisorMemoryStatsReq(). */
385 VMMR0_DO_GMM_QUERY_HYPERVISOR_MEM_STATS,
386 /** Call GMMR0QueryMemoryStatsReq(). */
387 VMMR0_DO_GMM_QUERY_MEM_STATS,
388 /** Call GMMR0BalloonedPages(). */
389 VMMR0_DO_GMM_BALLOONED_PAGES,
390 /** Call GMMR0MapUnmapChunk(). */
391 VMMR0_DO_GMM_MAP_UNMAP_CHUNK,
392 /** Call GMMR0SeedChunk(). */
393 VMMR0_DO_GMM_SEED_CHUNK,
394 /** Call GMMR0RegisterSharedModule. */
395 VMMR0_DO_GMM_REGISTER_SHARED_MODULE,
396 /** Call GMMR0UnregisterSharedModule. */
397 VMMR0_DO_GMM_UNREGISTER_SHARED_MODULE,
398 /** Call GMMR0ResetSharedModules. */
399 VMMR0_DO_GMM_RESET_SHARED_MODULES,
400 /** Call GMMR0CheckSharedModules. */
401 VMMR0_DO_GMM_CHECK_SHARED_MODULES,
402 /** Call GMMR0FindDuplicatePage. */
403 VMMR0_DO_GMM_FIND_DUPLICATE_PAGE,
404 /** Call GMMR0QueryStatistics(). */
405 VMMR0_DO_GMM_QUERY_STATISTICS,
406 /** Call GMMR0ResetStatistics(). */
407 VMMR0_DO_GMM_RESET_STATISTICS,
408
409 /** Set a GVMM or GMM configuration value. */
410 VMMR0_DO_GCFGM_SET_VALUE,
411 /** Query a GVMM or GMM configuration value. */
412 VMMR0_DO_GCFGM_QUERY_VALUE,
413
414 /** Call PDMR0DriverCallReqHandler. */
415 VMMR0_DO_PDM_DRIVER_CALL_REQ_HANDLER,
416 /** Call PDMR0DeviceCallReqHandler. */
417 VMMR0_DO_PDM_DEVICE_CALL_REQ_HANDLER,
418
419 /** The start of the R0 service operations. */
420 VMMR0_DO_SRV_START,
421 /** Call IntNetR0Open(). */
422 VMMR0_DO_INTNET_OPEN,
423 /** Call IntNetR0IfClose(). */
424 VMMR0_DO_INTNET_IF_CLOSE,
425 /** Call IntNetR0IfGetBufferPtrs(). */
426 VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS,
427 /** Call IntNetR0IfSetPromiscuousMode(). */
428 VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE,
429 /** Call IntNetR0IfSetMacAddress(). */
430 VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS,
431 /** Call IntNetR0IfSetActive(). */
432 VMMR0_DO_INTNET_IF_SET_ACTIVE,
433 /** Call IntNetR0IfSend(). */
434 VMMR0_DO_INTNET_IF_SEND,
435 /** Call IntNetR0IfWait(). */
436 VMMR0_DO_INTNET_IF_WAIT,
437 /** Call IntNetR0IfAbortWait(). */
438 VMMR0_DO_INTNET_IF_ABORT_WAIT,
439
440 /** Forward call to the PCI driver */
441 VMMR0_DO_PCIRAW_REQ,
442
443 /** The end of the R0 service operations. */
444 VMMR0_DO_SRV_END,
445
446 /** Official call we use for testing Ring-0 APIs. */
447 VMMR0_DO_TESTS,
448 /** Test the 32->64 bits switcher. */
449 VMMR0_DO_TEST_SWITCHER3264,
450
451 /** The usual 32-bit type blow up. */
452 VMMR0_DO_32BIT_HACK = 0x7fffffff
453} VMMR0OPERATION;
454
455
456/**
457 * Request buffer for VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE.
458 * @todo Move got GCFGM.h when it's implemented.
459 */
460typedef struct GCFGMVALUEREQ
461{
462 /** The request header.*/
463 SUPVMMR0REQHDR Hdr;
464 /** The support driver session handle. */
465 PSUPDRVSESSION pSession;
466 /** The value.
467 * This is input for the set request and output for the query. */
468 uint64_t u64Value;
469 /** The variable name.
470 * This is fixed sized just to make things simple for the mock-up. */
471 char szName[48];
472} GCFGMVALUEREQ;
473/** Pointer to a VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE request buffer.
474 * @todo Move got GCFGM.h when it's implemented.
475 */
476typedef GCFGMVALUEREQ *PGCFGMVALUEREQ;
477
478VMMR0DECL(int) VMMR0EntryInt(PVM pVM, VMMR0OPERATION enmOperation, void *pvArg);
479VMMR0DECL(void) VMMR0EntryFast(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation);
480VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION);
481VMMR0DECL(int) VMMR0TermVM(PVM pVM, PGVM pGVM);
482
483#ifdef LOG_ENABLED
484VMMR0DECL(void) VMMR0LogFlushDisable(PVMCPU pVCpu);
485VMMR0DECL(void) VMMR0LogFlushEnable(PVMCPU pVCpu);
486VMMR0DECL(bool) VMMR0IsLogFlushDisabled(PVMCPU pVCpu);
487#else
488#define VMMR0LogFlushDisable(pVCpu) do { } while(0)
489#define VMMR0LogFlushEnable(pVCpu) do { } while(0)
490#define VMMR0IsLogFlushDisabled(pVCpu) (true)
491#endif
492
493/** @} */
494
495
496#ifdef IN_RC
497/** @defgroup grp_vmm_rc The VMM Raw-Mode Context API
498 * @ingroup grp_vmm
499 * @{
500 */
501VMMRCDECL(int) VMMGCEntry(PVM pVM, unsigned uOperation, unsigned uArg, ...);
502VMMRCDECL(void) VMMGCGuestToHost(PVM pVM, int rc);
503VMMRCDECL(void) VMMGCLogFlushIfFull(PVM pVM);
504/** @} */
505#endif /* IN_RC */
506
507#if defined(IN_RC) || defined(IN_RING0)
508/** @defgroup grp_vmm_rz The VMM Raw-Mode and Ring-0 Context API
509 * @ingroup grp_vmm
510 * @{
511 */
512VMMRZDECL(int) VMMRZCallRing3(PVM pVM, PVMCPU pVCpu, VMMCALLRING3 enmOperation, uint64_t uArg);
513VMMRZDECL(int) VMMRZCallRing3NoCpu(PVM pVM, VMMCALLRING3 enmOperation, uint64_t uArg);
514VMMRZDECL(void) VMMRZCallRing3Disable(PVMCPU pVCpu);
515VMMRZDECL(void) VMMRZCallRing3Enable(PVMCPU pVCpu);
516VMMRZDECL(bool) VMMRZCallRing3IsEnabled(PVMCPU pVCpu);
517/** @} */
518#endif
519
520
521/** @} */
522RT_C_DECLS_END
523
524#endif
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