VirtualBox

source: vbox/trunk/include/VBox/vmm/vmapi.h@ 43394

Last change on this file since 43394 was 43387, checked in by vboxsync, 12 years ago

VMM: HM cleanup.

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1/** @file
2 * VM - The Virtual Machine, API.
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_vmapi_h
27#define ___VBox_vmm_vmapi_h
28
29#include <VBox/types.h>
30#include <VBox/vmm/stam.h>
31#include <VBox/vmm/cfgm.h>
32
33#include <iprt/stdarg.h>
34
35RT_C_DECLS_BEGIN
36
37/** @defgroup grp_vmm_apis VM All Contexts API
38 * @ingroup grp_vm
39 * @{ */
40
41/** @def VM_RC_ADDR
42 * Converts a current context address of data within the VM structure to the equivalent
43 * raw-mode address.
44 *
45 * @returns raw-mode virtual address.
46 * @param pVM Pointer to the VM.
47 * @param pvInVM CC Pointer within the VM.
48 */
49#ifdef IN_RING3
50# define VM_RC_ADDR(pVM, pvInVM) ( (RTRCPTR)((RTRCUINTPTR)pVM->pVMRC + (uint32_t)((uintptr_t)(pvInVM) - (uintptr_t)pVM->pVMR3)) )
51#elif defined(IN_RING0)
52# define VM_RC_ADDR(pVM, pvInVM) ( (RTRCPTR)((RTRCUINTPTR)pVM->pVMRC + (uint32_t)((uintptr_t)(pvInVM) - (uintptr_t)pVM->pVMR0)) )
53#else
54# define VM_RC_ADDR(pVM, pvInVM) ( (RTRCPTR)(pvInVM) )
55#endif
56
57/** @def VM_R3_ADDR
58 * Converts a current context address of data within the VM structure to the equivalent
59 * ring-3 host address.
60 *
61 * @returns host virtual address.
62 * @param pVM Pointer to the VM.
63 * @param pvInVM CC pointer within the VM.
64 */
65#ifdef IN_RC
66# define VM_R3_ADDR(pVM, pvInVM) ( (RTR3PTR)((RTR3UINTPTR)pVM->pVMR3 + (uint32_t)((uintptr_t)(pvInVM) - (uintptr_t)pVM->pVMRC)) )
67#elif defined(IN_RING0)
68# define VM_R3_ADDR(pVM, pvInVM) ( (RTR3PTR)((RTR3UINTPTR)pVM->pVMR3 + (uint32_t)((uintptr_t)(pvInVM) - (uintptr_t)pVM->pVMR0)) )
69#else
70# define VM_R3_ADDR(pVM, pvInVM) ( (RTR3PTR)(pvInVM) )
71#endif
72
73
74/** @def VM_R0_ADDR
75 * Converts a current context address of data within the VM structure to the equivalent
76 * ring-0 host address.
77 *
78 * @returns host virtual address.
79 * @param pVM Pointer to the VM.
80 * @param pvInVM CC pointer within the VM.
81 */
82#ifdef IN_RC
83# define VM_R0_ADDR(pVM, pvInVM) ( (RTR0PTR)((RTR0UINTPTR)pVM->pVMR0 + (uint32_t)((uintptr_t)(pvInVM) - (uintptr_t)pVM->pVMRC)) )
84#elif defined(IN_RING3)
85# define VM_R0_ADDR(pVM, pvInVM) ( (RTR0PTR)((RTR0UINTPTR)pVM->pVMR0 + (uint32_t)((uintptr_t)(pvInVM) - (uintptr_t)pVM->pVMR3)) )
86#else
87# define VM_R0_ADDR(pVM, pvInVM) ( (RTR0PTR)(pvInVM) )
88#endif
89
90
91
92/**
93 * VM error callback function.
94 *
95 * @param pVM The VM handle. Can be NULL if an error occurred before
96 * successfully creating a VM.
97 * @param pvUser The user argument.
98 * @param rc VBox status code.
99 * @param RT_SRC_POS_DECL The source position arguments. See RT_SRC_POS and RT_SRC_POS_ARGS.
100 * @param pszFormat Error message format string.
101 * @param args Error message arguments.
102 */
103typedef DECLCALLBACK(void) FNVMATERROR(PVM pVM, void *pvUser, int rc, RT_SRC_POS_DECL, const char *pszError, va_list args);
104/** Pointer to a VM error callback. */
105typedef FNVMATERROR *PFNVMATERROR;
106
107VMMDECL(int) VMSetError(PVM pVM, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...);
108VMMDECL(int) VMSetErrorV(PVM pVM, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list args);
109
110/** @def VM_SET_ERROR
111 * Macro for setting a simple VM error message.
112 * Don't use '%' in the message!
113 *
114 * @returns rc. Meaning you can do:
115 * @code
116 * return VM_SET_ERROR(pVM, VERR_OF_YOUR_CHOICE, "descriptive message");
117 * @endcode
118 * @param pVM VM handle.
119 * @param rc VBox status code.
120 * @param pszMessage Error message string.
121 * @thread Any
122 */
123#define VM_SET_ERROR(pVM, rc, pszMessage) (VMSetError(pVM, rc, RT_SRC_POS, pszMessage))
124
125
126/**
127 * VM runtime error callback function.
128 *
129 * See VMSetRuntimeError for the detailed description of parameters.
130 *
131 * @param pVM The VM handle.
132 * @param pvUser The user argument.
133 * @param fFlags The error flags.
134 * @param pszErrorId Error ID string.
135 * @param pszFormat Error message format string.
136 * @param va Error message arguments.
137 */
138typedef DECLCALLBACK(void) FNVMATRUNTIMEERROR(PVM pVM, void *pvUser, uint32_t fFlags, const char *pszErrorId,
139 const char *pszFormat, va_list va);
140/** Pointer to a VM runtime error callback. */
141typedef FNVMATRUNTIMEERROR *PFNVMATRUNTIMEERROR;
142
143VMMDECL(int) VMSetRuntimeError(PVM pVM, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...);
144VMMDECL(int) VMSetRuntimeErrorV(PVM pVM, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list args);
145
146/** @name VMSetRuntimeError fFlags
147 * When no flags are given the VM will continue running and it's up to the front
148 * end to take action on the error condition.
149 *
150 * @{ */
151/** The error is fatal.
152 * The VM is not in a state where it can be saved and will enter a state
153 * where it can no longer execute code. The caller <b>must</b> propagate status
154 * codes. */
155#define VMSETRTERR_FLAGS_FATAL RT_BIT_32(0)
156/** Suspend the VM after, or if possible before, raising the error on EMT. The
157 * caller <b>must</b> propagate status codes. */
158#define VMSETRTERR_FLAGS_SUSPEND RT_BIT_32(1)
159/** Don't wait for the EMT to handle the request.
160 * Only valid when on a worker thread and there is a high risk of a dead
161 * lock. Be careful not to flood the user with errors. */
162#define VMSETRTERR_FLAGS_NO_WAIT RT_BIT_32(2)
163/** @} */
164
165/**
166 * VM state callback function.
167 *
168 * You are not allowed to call any function which changes the VM state from a
169 * state callback, except VMR3Destroy().
170 *
171 * @param pVM The VM handle.
172 * @param enmState The new state.
173 * @param enmOldState The old state.
174 * @param pvUser The user argument.
175 */
176typedef DECLCALLBACK(void) FNVMATSTATE(PVM pVM, VMSTATE enmState, VMSTATE enmOldState, void *pvUser);
177/** Pointer to a VM state callback. */
178typedef FNVMATSTATE *PFNVMATSTATE;
179
180VMMDECL(const char *) VMGetStateName(VMSTATE enmState);
181
182
183/**
184 * Request type.
185 */
186typedef enum VMREQTYPE
187{
188 /** Invalid request. */
189 VMREQTYPE_INVALID = 0,
190 /** VM: Internal. */
191 VMREQTYPE_INTERNAL,
192 /** Maximum request type (exclusive). Used for validation. */
193 VMREQTYPE_MAX
194} VMREQTYPE;
195
196/**
197 * Request state.
198 */
199typedef enum VMREQSTATE
200{
201 /** The state is invalid. */
202 VMREQSTATE_INVALID = 0,
203 /** The request have been allocated and is in the process of being filed. */
204 VMREQSTATE_ALLOCATED,
205 /** The request is queued by the requester. */
206 VMREQSTATE_QUEUED,
207 /** The request is begin processed. */
208 VMREQSTATE_PROCESSING,
209 /** The request is completed, the requester is begin notified. */
210 VMREQSTATE_COMPLETED,
211 /** The request packet is in the free chain. (The requester */
212 VMREQSTATE_FREE
213} VMREQSTATE;
214
215/**
216 * Request flags.
217 */
218typedef enum VMREQFLAGS
219{
220 /** The request returns a VBox status code. */
221 VMREQFLAGS_VBOX_STATUS = 0,
222 /** The request is a void request and have no status code. */
223 VMREQFLAGS_VOID = 1,
224 /** Return type mask. */
225 VMREQFLAGS_RETURN_MASK = 1,
226 /** Caller does not wait on the packet, EMT will free it. */
227 VMREQFLAGS_NO_WAIT = 2,
228 /** Poke the destination EMT(s) if executing guest code. Use with care. */
229 VMREQFLAGS_POKE = 4,
230 /** Priority request that can safely be processed while doing async
231 * suspend and power off. */
232 VMREQFLAGS_PRIORITY = 8
233} VMREQFLAGS;
234
235
236/**
237 * VM Request packet.
238 *
239 * This is used to request an action in the EMT. Usually the requester is
240 * another thread, but EMT can also end up being the requester in which case
241 * it's carried out synchronously.
242 */
243typedef struct VMREQ
244{
245 /** Pointer to the next request in the chain. */
246 struct VMREQ * volatile pNext;
247 /** Pointer to ring-3 VM structure which this request belongs to. */
248 PUVM pUVM;
249 /** Request state. */
250 volatile VMREQSTATE enmState;
251 /** VBox status code for the completed request. */
252 volatile int32_t iStatus;
253 /** Requester event sem.
254 * The request can use this event semaphore to wait/poll for completion
255 * of the request.
256 */
257 RTSEMEVENT EventSem;
258 /** Set if the event semaphore is clear. */
259 volatile bool fEventSemClear;
260 /** Flags, VMR3REQ_FLAGS_*. */
261 unsigned fFlags;
262 /** Request type. */
263 VMREQTYPE enmType;
264 /** Request destination. */
265 VMCPUID idDstCpu;
266 /** Request specific data. */
267 union VMREQ_U
268 {
269 /** VMREQTYPE_INTERNAL. */
270 struct
271 {
272 /** Pointer to the function to be called. */
273 PFNRT pfn;
274 /** Number of arguments. */
275 unsigned cArgs;
276 /** Array of arguments. */
277 uintptr_t aArgs[64];
278 } Internal;
279 } u;
280} VMREQ;
281/** Pointer to a VM request packet. */
282typedef VMREQ *PVMREQ;
283
284/** @} */
285
286
287#ifndef IN_RC
288/** @defgroup grp_vmm_apis_hc VM Host Context API
289 * @ingroup grp_vm
290 * @{ */
291
292/** @} */
293#endif
294
295
296#ifdef IN_RING3
297/** @defgroup grp_vmm_apis_r3 VM Host Context Ring 3 API
298 * This interface is a _draft_!
299 * @ingroup grp_vm
300 * @{ */
301
302/**
303 * Completion notification codes.
304 */
305typedef enum VMINITCOMPLETED
306{
307 /** The ring-3 init is completed. */
308 VMINITCOMPLETED_RING3 = 1,
309 /** The ring-0 init is completed. */
310 VMINITCOMPLETED_RING0,
311 /** The hardware accelerated virtualization init is completed.
312 * Used to make decisision depending on whether HMIsEnabled(). */
313 VMINITCOMPLETED_HM,
314 /** The GC init is completed. */
315 VMINITCOMPLETED_GC
316} VMINITCOMPLETED;
317
318
319VMMR3DECL(int) VMR3Create(uint32_t cCpus, PCVMM2USERMETHODS pVm2UserCbs,
320 PFNVMATERROR pfnVMAtError, void *pvUserVM,
321 PFNCFGMCONSTRUCTOR pfnCFGMConstructor, void *pvUserCFGM,
322 PVM *ppVM);
323VMMR3DECL(int) VMR3PowerOn(PVM pVM);
324VMMR3DECL(int) VMR3Suspend(PVM pVM);
325VMMR3DECL(int) VMR3Resume(PVM pVM);
326VMMR3DECL(int) VMR3Reset(PVM pVM);
327
328/**
329 * Progress callback.
330 * This will report the completion percentage of an operation.
331 *
332 * @returns VINF_SUCCESS.
333 * @returns Error code to cancel the operation with.
334 * @param pVM The VM handle.
335 * @param uPercent Completion percentage (0-100).
336 * @param pvUser User specified argument.
337 */
338typedef DECLCALLBACK(int) FNVMPROGRESS(PVM pVM, unsigned uPercent, void *pvUser);
339/** Pointer to a FNVMPROGRESS function. */
340typedef FNVMPROGRESS *PFNVMPROGRESS;
341
342VMMR3DECL(int) VMR3Save(PVM pVM, const char *pszFilename, bool fContinueAfterwards, PFNVMPROGRESS pfnProgress, void *pvUser, bool *pfSuspended);
343VMMR3DECL(int) VMR3Teleport(PVM pVM, uint32_t cMsDowntime, PCSSMSTRMOPS pStreamOps, void *pvStreamOpsUser, PFNVMPROGRESS pfnProgress, void *pvProgressUser, bool *pfSuspended);
344VMMR3DECL(int) VMR3LoadFromFile(PVM pVM, const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser);
345VMMR3DECL(int) VMR3LoadFromStream(PVM pVM, PCSSMSTRMOPS pStreamOps, void *pvStreamOpsUser,
346 PFNVMPROGRESS pfnProgress, void *pvProgressUser);
347VMMR3DECL(int) VMR3PowerOff(PVM pVM);
348VMMR3DECL(int) VMR3Destroy(PVM pVM);
349VMMR3DECL(void) VMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
350VMMR3DECL(PVM) VMR3EnumVMs(PVM pVMPrev);
351
352VMMR3DECL(PVM) VMR3GetVM(PUVM pUVM);
353VMMR3DECL(PUVM) VMR3GetUVM(PVM pVM);
354VMMR3DECL(uint32_t) VMR3RetainUVM(PUVM pUVM);
355VMMR3DECL(uint32_t) VMR3ReleaseUVM(PUVM pUVM);
356VMMR3DECL(const char *) VMR3GetName(PUVM pUVM);
357VMMR3DECL(PRTUUID) VMR3GetUuid(PUVM pUVM, PRTUUID pUuid);
358VMMR3DECL(VMSTATE) VMR3GetState(PVM pVM);
359VMMR3DECL(VMSTATE) VMR3GetStateU(PUVM pUVM);
360VMMR3DECL(const char *) VMR3GetStateName(VMSTATE enmState);
361
362/**
363 * VM destruction callback.
364 * @param pVM The VM which is about to be destroyed.
365 * @param pvUser The user parameter specified at registration.
366 */
367typedef DECLCALLBACK(void) FNVMATDTOR(PVM pVM, void *pvUser);
368/** Pointer to a VM destruction callback. */
369typedef FNVMATDTOR *PFNVMATDTOR;
370
371VMMR3DECL(int) VMR3AtDtorRegister(PFNVMATDTOR pfnAtDtor, void *pvUser);
372VMMR3DECL(int) VMR3AtDtorDeregister(PFNVMATDTOR pfnAtDtor);
373VMMR3DECL(int) VMR3AtStateRegister(PVM pVM, PFNVMATSTATE pfnAtState, void *pvUser);
374VMMR3DECL(int) VMR3AtStateDeregister(PVM pVM, PFNVMATSTATE pfnAtState, void *pvUser);
375VMMR3DECL(bool) VMR3TeleportedAndNotFullyResumedYet(PVM pVM);
376VMMR3DECL(int) VMR3AtErrorRegister(PVM pVM, PFNVMATERROR pfnAtError, void *pvUser);
377VMMR3DECL(int) VMR3AtErrorRegisterU(PUVM pVM, PFNVMATERROR pfnAtError, void *pvUser);
378VMMR3DECL(int) VMR3AtErrorDeregister(PVM pVM, PFNVMATERROR pfnAtError, void *pvUser);
379VMMR3DECL(void) VMR3SetErrorWorker(PVM pVM);
380VMMR3DECL(uint32_t) VMR3GetErrorCount(PVM pVM);
381VMMR3DECL(uint32_t) VMR3GetErrorCountU(PUVM pUVM);
382VMMR3DECL(int) VMR3AtRuntimeErrorRegister(PVM pVM, PFNVMATRUNTIMEERROR pfnAtRuntimeError, void *pvUser);
383VMMR3DECL(int) VMR3AtRuntimeErrorDeregister(PVM pVM, PFNVMATRUNTIMEERROR pfnAtRuntimeError, void *pvUser);
384VMMR3DECL(int) VMR3SetRuntimeErrorWorker(PVM pVM);
385VMMR3DECL(uint32_t) VMR3GetRuntimeErrorCount(PVM pVM);
386VMMR3DECL(int) VMR3ReqCall(PVM pVM, VMCPUID idDstCpu, PVMREQ *ppReq, RTMSINTERVAL cMillies, uint32_t fFlags, PFNRT pfnFunction, unsigned cArgs, ...);
387VMMR3DECL(int) VMR3ReqCallU(PUVM pUVM, VMCPUID idDstCpu, PVMREQ *ppReq, RTMSINTERVAL cMillies, uint32_t fFlags, PFNRT pfnFunction, unsigned cArgs, ...);
388VMMR3DECL(int) VMR3ReqCallVU(PUVM pUVM, VMCPUID idDstCpu, PVMREQ *ppReq, RTMSINTERVAL cMillies, uint32_t fFlags, PFNRT pfnFunction, unsigned cArgs, va_list Args);
389VMMR3DECL(int) VMR3ReqCallWait(PVM pVM, VMCPUID idDstCpu, PFNRT pfnFunction, unsigned cArgs, ...);
390VMMR3DECL(int) VMR3ReqCallNoWait(PVM pVM, VMCPUID idDstCpu, PFNRT pfnFunction, unsigned cArgs, ...);
391VMMR3DECL(int) VMR3ReqCallVoidWait(PVM pVM, VMCPUID idDstCpu, PFNRT pfnFunction, unsigned cArgs, ...);
392VMMR3DECL(int) VMR3ReqCallVoidNoWait(PVM pVM, VMCPUID idDstCpu, PFNRT pfnFunction, unsigned cArgs, ...);
393VMMR3DECL(int) VMR3ReqPriorityCallWait(PVM pVM, VMCPUID idDstCpu, PFNRT pfnFunction, unsigned cArgs, ...);
394VMMR3DECL(int) VMR3ReqPriorityCallVoidWait(PVM pVM, VMCPUID idDstCpu, PFNRT pfnFunction, unsigned cArgs, ...);
395VMMR3DECL(int) VMR3ReqAlloc(PVM pVM, PVMREQ *ppReq, VMREQTYPE enmType, VMCPUID idDstCpu);
396VMMR3DECL(int) VMR3ReqAllocU(PUVM pUVM, PVMREQ *ppReq, VMREQTYPE enmType, VMCPUID idDstCpu);
397VMMR3DECL(int) VMR3ReqFree(PVMREQ pReq);
398VMMR3DECL(int) VMR3ReqQueue(PVMREQ pReq, RTMSINTERVAL cMillies);
399VMMR3DECL(int) VMR3ReqWait(PVMREQ pReq, RTMSINTERVAL cMillies);
400VMMR3DECL(int) VMR3ReqProcessU(PUVM pUVM, VMCPUID idDstCpu, bool fPriorityOnly);
401VMMR3DECL(void) VMR3NotifyGlobalFFU(PUVM pUVM, uint32_t fFlags);
402VMMR3DECL(void) VMR3NotifyCpuFFU(PUVMCPU pUVMCpu, uint32_t fFlags);
403/** @name Flags for VMR3NotifyCpuFFU and VMR3NotifyGlobalFFU.
404 * @{ */
405/** Whether we've done REM or not. */
406#define VMNOTIFYFF_FLAGS_DONE_REM RT_BIT_32(0)
407/** Whether we should poke the CPU if it's executing guest code. */
408#define VMNOTIFYFF_FLAGS_POKE RT_BIT_32(1)
409/** @} */
410
411VMMR3DECL(int) VMR3WaitHalted(PVM pVM, PVMCPU pVCpu, bool fIgnoreInterrupts);
412VMMR3DECL(int) VMR3WaitU(PUVMCPU pUVMCpu);
413VMMR3_INT_DECL(int) VMR3AsyncPdmNotificationWaitU(PUVMCPU pUVCpu);
414VMMR3_INT_DECL(void) VMR3AsyncPdmNotificationWakeupU(PUVM pUVM);
415VMMR3DECL(RTCPUID) VMR3GetVMCPUId(PVM pVM);
416VMMR3DECL(RTTHREAD) VMR3GetVMCPUThread(PVM pVM);
417VMMR3DECL(RTTHREAD) VMR3GetVMCPUThreadU(PUVM pUVM);
418VMMR3DECL(RTNATIVETHREAD) VMR3GetVMCPUNativeThread(PVM pVM);
419VMMR3DECL(RTNATIVETHREAD) VMR3GetVMCPUNativeThreadU(PUVM pUVM);
420VMMR3DECL(int) VMR3GetCpuCoreAndPackageIdFromCpuId(PVM pVM, VMCPUID idCpu, uint32_t *pidCpuCore, uint32_t *pidCpuPackage);
421VMMR3DECL(int) VMR3HotUnplugCpu(PVM pVM, VMCPUID idCpu);
422VMMR3DECL(int) VMR3HotPlugCpu(PVM pVM, VMCPUID idCpu);
423VMMR3DECL(int) VMR3SetCpuExecutionCap(PVM pVM, uint32_t uCpuExecutionCap);
424/** @} */
425#endif /* IN_RING3 */
426
427
428#ifdef IN_RC
429/** @defgroup grp_vmm_apis_gc VM Guest Context APIs
430 * @ingroup grp_vm
431 * @{ */
432
433/** @} */
434#endif
435
436RT_C_DECLS_END
437
438/** @} */
439
440#endif
441
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