VirtualBox

source: vbox/trunk/include/VBox/vmm.h@ 17058

Last change on this file since 17058 was 15852, checked in by vboxsync, 16 years ago

Another experiment with limiting the time spent in ring 0.

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1/** @file
2 * VMM - The Virtual Machine Monitor.
3 */
4
5/*
6 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26 * Clara, CA 95054 USA or visit http://www.sun.com if you need
27 * additional information or have any questions.
28 */
29
30#ifndef ___VBox_vmm_h
31#define ___VBox_vmm_h
32
33#include <VBox/cdefs.h>
34#include <VBox/types.h>
35#include <VBox/vmapi.h>
36#include <VBox/sup.h>
37#include <iprt/stdarg.h>
38
39__BEGIN_DECLS
40
41/** @defgroup grp_vmm The Virtual Machine Monitor API
42 * @{
43 */
44
45/**
46 * World switcher identifiers.
47 */
48typedef enum VMMSWITCHER
49{
50 /** The usual invalid 0. */
51 VMMSWITCHER_INVALID = 0,
52 /** Switcher for 32-bit host to 32-bit shadow paging. */
53 VMMSWITCHER_32_TO_32,
54 /** Switcher for 32-bit host paging to PAE shadow paging. */
55 VMMSWITCHER_32_TO_PAE,
56 /** Switcher for 32-bit host paging to AMD64 shadow paging. */
57 VMMSWITCHER_32_TO_AMD64,
58 /** Switcher for PAE host to 32-bit shadow paging. */
59 VMMSWITCHER_PAE_TO_32,
60 /** Switcher for PAE host to PAE shadow paging. */
61 VMMSWITCHER_PAE_TO_PAE,
62 /** Switcher for PAE host paging to AMD64 shadow paging. */
63 VMMSWITCHER_PAE_TO_AMD64,
64 /** Switcher for AMD64 host paging to 32-bit shadow paging. */
65 VMMSWITCHER_AMD64_TO_32,
66 /** Switcher for AMD64 host paging to PAE shadow paging. */
67 VMMSWITCHER_AMD64_TO_PAE,
68 /** Switcher for AMD64 host paging to AMD64 shadow paging. */
69 VMMSWITCHER_AMD64_TO_AMD64,
70 /** Used to make a count for array declarations and suchlike. */
71 VMMSWITCHER_MAX,
72 /** The usual 32-bit paranoia. */
73 VMMSWITCHER_32BIT_HACK = 0x7fffffff
74} VMMSWITCHER;
75
76
77/**
78 * VMMGCCallHost operations.
79 */
80typedef enum VMMCALLHOST
81{
82 /** Invalid operation. */
83 VMMCALLHOST_INVALID = 0,
84 /** Acquire the PDM lock. */
85 VMMCALLHOST_PDM_LOCK,
86 /** Call PDMR3QueueFlushWorker. */
87 VMMCALLHOST_PDM_QUEUE_FLUSH,
88 /** Acquire the PGM lock. */
89 VMMCALLHOST_PGM_LOCK,
90 /** Grow the PGM shadow page pool. */
91 VMMCALLHOST_PGM_POOL_GROW,
92 /** Maps a chunk into ring-3. */
93 VMMCALLHOST_PGM_MAP_CHUNK,
94 /** Allocates more handy pages. */
95 VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES,
96#ifndef VBOX_WITH_NEW_PHYS_CODE
97 /** Dynamically allocate physical guest RAM. */
98 VMMCALLHOST_PGM_RAM_GROW_RANGE,
99#endif
100 /** Replay the REM handler notifications. */
101 VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS,
102 /** Flush the GC/R0 logger. */
103 VMMCALLHOST_VMM_LOGGER_FLUSH,
104 /** Set the VM error message. */
105 VMMCALLHOST_VM_SET_ERROR,
106 /** Set the VM runtime error message. */
107 VMMCALLHOST_VM_SET_RUNTIME_ERROR,
108 /** Signal a ring 0 assertion. */
109 VMMCALLHOST_VM_R0_ASSERTION,
110 /** Ring switch to force preemption. */
111 VMMCALLHOST_VM_R0_PREEMPT,
112 /** The usual 32-bit hack. */
113 VMMCALLHOST_32BIT_HACK = 0x7fffffff
114} VMMCALLHOST;
115
116RTRCPTR VMMGetStackRC(PVM pVM);
117VMCPUID VMMGetCpuId(PVM pVM);
118PVMCPU VMMGetCpu(PVM pVM);
119VMMDECL(PVMCPU) VMMGetCpuEx(PVM pVM, RTCPUID idCpu);
120VMMDECL(uint32_t) VMMGetSvnRev(void);
121
122/** @def VMMIsHwVirtExtForced
123 * Checks if forced to use the hardware assisted virtualization extensions.
124 *
125 * This is intended for making setup decisions where we can save resources when
126 * using hardware assisted virtualization.
127 *
128 * @returns true / false.
129 * @param pVM Pointer to the shared VM structure. */
130#define VMMIsHwVirtExtForced(pVM) ((pVM)->fHwVirtExtForced)
131
132
133#ifdef IN_RING3
134/** @defgroup grp_vmm_r3 The VMM Host Context Ring 3 API
135 * @ingroup grp_vmm
136 * @{
137 */
138VMMR3DECL(int) VMMR3Init(PVM pVM);
139VMMR3DECL(int) VMMR3InitCPU(PVM pVM);
140VMMR3DECL(int) VMMR3InitFinalize(PVM pVM);
141VMMR3DECL(int) VMMR3InitR0(PVM pVM);
142VMMR3DECL(int) VMMR3InitRC(PVM pVM);
143VMMR3DECL(int) VMMR3Term(PVM pVM);
144VMMR3DECL(int) VMMR3TermCPU(PVM pVM);
145VMMR3DECL(void) VMMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
146VMMR3DECL(int) VMMR3UpdateLoggers(PVM pVM);
147VMMR3DECL(const char *) VMMR3GetRZAssertMsg1(PVM pVM);
148VMMR3DECL(const char *) VMMR3GetRZAssertMsg2(PVM pVM);
149VMMR3DECL(int) VMMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue);
150VMMR3DECL(int) VMMR3SelectSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
151VMMR3DECL(int) VMMR3DisableSwitcher(PVM pVM);
152VMMR3DECL(RTR0PTR) VMMR3GetHostToGuestSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
153VMMR3DECL(int) VMMR3RawRunGC(PVM pVM);
154VMMR3DECL(int) VMMR3HwAccRunGC(PVM pVM, RTCPUID idCpu);
155VMMR3DECL(int) VMMR3CallRC(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, ...);
156VMMR3DECL(int) VMMR3CallRCV(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, va_list args);
157VMMR3DECL(int) VMMR3ResumeHyper(PVM pVM);
158VMMR3DECL(void) VMMR3FatalDump(PVM pVM, int rcErr);
159VMMR3DECL(int) VMMR3Lock(PVM pVM);
160VMMR3DECL(int) VMMR3Unlock(PVM pVM);
161VMMR3DECL(RTNATIVETHREAD) VMMR3LockGetOwner(PVM pVM);
162VMMR3DECL(bool) VMMR3LockIsOwner(PVM pVM);
163VMMR3DECL(void) VMMR3YieldSuspend(PVM pVM);
164VMMR3DECL(void) VMMR3YieldStop(PVM pVM);
165VMMR3DECL(void) VMMR3YieldResume(PVM pVM);
166/** @} */
167#endif /* IN_RING3 */
168
169
170/** @defgroup grp_vmm_r0 The VMM Host Context Ring 0 API
171 * @ingroup grp_vmm
172 * @{
173 */
174
175/**
176 * The VMMR0Entry() codes.
177 */
178typedef enum VMMR0OPERATION
179{
180 /** Run guest context. */
181 VMMR0_DO_RAW_RUN = SUP_VMMR0_DO_RAW_RUN,
182 /** Run guest code using the available hardware acceleration technology. */
183 VMMR0_DO_HWACC_RUN = SUP_VMMR0_DO_HWACC_RUN,
184 /** Official NOP that we use for profiling. */
185 VMMR0_DO_NOP = SUP_VMMR0_DO_NOP,
186 /** Official slow iocl NOP that we use for profiling. */
187 VMMR0_DO_SLOW_NOP,
188
189 /** Ask the GVMM to create a new VM. */
190 VMMR0_DO_GVMM_CREATE_VM,
191 /** Ask the GVMM to destroy the VM. */
192 VMMR0_DO_GVMM_DESTROY_VM,
193 /** Call GVMMR0SchedHalt(). */
194 VMMR0_DO_GVMM_SCHED_HALT,
195 /** Call GVMMR0SchedWakeUp(). */
196 VMMR0_DO_GVMM_SCHED_WAKE_UP,
197 /** Call GVMMR0SchedPoll(). */
198 VMMR0_DO_GVMM_SCHED_POLL,
199 /** Call GVMMR0QueryStatistics(). */
200 VMMR0_DO_GVMM_QUERY_STATISTICS,
201 /** Call GVMMR0ResetStatistics(). */
202 VMMR0_DO_GVMM_RESET_STATISTICS,
203
204 /** Call VMMR0 Per VM Init. */
205 VMMR0_DO_VMMR0_INIT,
206 /** Call VMMR0 Per VM Termination. */
207 VMMR0_DO_VMMR0_TERM,
208 /** Setup the hardware accelerated raw-mode session. */
209 VMMR0_DO_HWACC_SETUP_VM,
210 /** Attempt to enable or disable hardware accelerated raw-mode. */
211 VMMR0_DO_HWACC_ENABLE,
212 /** Calls function in the hypervisor.
213 * The caller must setup the hypervisor context so the call will be performed.
214 * The difference between VMMR0_DO_RUN_GC and this one is the handling of
215 * the return GC code. The return code will not be interpreted by this operation.
216 */
217 VMMR0_DO_CALL_HYPERVISOR,
218
219 /** Call PGMR0PhysAllocateHandyPages(). */
220 VMMR0_DO_PGM_ALLOCATE_HANDY_PAGES,
221
222 /** Call GMMR0InitialReservation(). */
223 VMMR0_DO_GMM_INITIAL_RESERVATION,
224 /** Call GMMR0UpdateReservation(). */
225 VMMR0_DO_GMM_UPDATE_RESERVATION,
226 /** Call GMMR0AllocatePages(). */
227 VMMR0_DO_GMM_ALLOCATE_PAGES,
228 /** Call GMMR0FreePages(). */
229 VMMR0_DO_GMM_FREE_PAGES,
230 /** Call GMMR0BalloonedPages(). */
231 VMMR0_DO_GMM_BALLOONED_PAGES,
232 /** Call GMMR0DeflatedBalloon(). */
233 VMMR0_DO_GMM_DEFLATED_BALLOON,
234 /** Call GMMR0MapUnmapChunk(). */
235 VMMR0_DO_GMM_MAP_UNMAP_CHUNK,
236 /** Call GMMR0SeedChunk(). */
237 VMMR0_DO_GMM_SEED_CHUNK,
238
239 /** Set a GVMM or GMM configuration value. */
240 VMMR0_DO_GCFGM_SET_VALUE,
241 /** Query a GVMM or GMM configuration value. */
242 VMMR0_DO_GCFGM_QUERY_VALUE,
243
244 /** The start of the R0 service operations. */
245 VMMR0_DO_SRV_START,
246 /** Call INTNETR0Open(). */
247 VMMR0_DO_INTNET_OPEN,
248 /** Call INTNETR0IfClose(). */
249 VMMR0_DO_INTNET_IF_CLOSE,
250 /** Call INTNETR0IfGetRing3Buffer(). */
251 VMMR0_DO_INTNET_IF_GET_RING3_BUFFER,
252 /** Call INTNETR0IfSetPromiscuousMode(). */
253 VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE,
254 /** Call INTNETR0IfSetMacAddress(). */
255 VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS,
256 /** Call INTNETR0IfSetActive(). */
257 VMMR0_DO_INTNET_IF_SET_ACTIVE,
258 /** Call INTNETR0IfSend(). */
259 VMMR0_DO_INTNET_IF_SEND,
260 /** Call INTNETR0IfWait(). */
261 VMMR0_DO_INTNET_IF_WAIT,
262 /** The end of the R0 service operations. */
263 VMMR0_DO_SRV_END,
264
265 /** Official call we use for testing Ring-0 APIs. */
266 VMMR0_DO_TESTS,
267 /** Test the 32->64 bits switcher. */
268 VMMR0_DO_TEST_SWITCHER3264,
269
270 /** The usual 32-bit type blow up. */
271 VMMR0_DO_32BIT_HACK = 0x7fffffff
272} VMMR0OPERATION;
273
274
275/**
276 * Request buffer for VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE.
277 * @todo Move got GCFGM.h when it's implemented.
278 */
279typedef struct GCFGMVALUEREQ
280{
281 /** The request header.*/
282 SUPVMMR0REQHDR Hdr;
283 /** The support driver session handle. */
284 PSUPDRVSESSION pSession;
285 /** The value.
286 * This is input for the set request and output for the query. */
287 uint64_t u64Value;
288 /** The variable name.
289 * This is fixed sized just to make things simple for the mock-up. */
290 char szName[48];
291} GCFGMVALUEREQ;
292/** Pointer to a VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE request buffer.
293 * @todo Move got GCFGM.h when it's implemented.
294 */
295typedef GCFGMVALUEREQ *PGCFGMVALUEREQ;
296
297VMMR0DECL(int) VMMR0EntryInt(PVM pVM, VMMR0OPERATION enmOperation, void *pvArg);
298VMMR0DECL(void) VMMR0EntryFast(PVM pVM, unsigned idCpu, VMMR0OPERATION enmOperation);
299VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION);
300VMMR0DECL(int) VMMR0TermVM(PVM pVM, PGVM pGVM);
301VMMR0DECL(int) VMMR0CallHost(PVM pVM, VMMCALLHOST enmOperation, uint64_t uArg);
302VMMR0DECL(void) VMMR0LogFlushDisable(PVMCPU pVCpu);
303VMMR0DECL(void) VMMR0LogFlushEnable(PVMCPU pVCpu);
304
305/** @} */
306
307
308#ifdef IN_RC
309/** @defgroup grp_vmm_rc The VMM Raw-Mode Context API
310 * @ingroup grp_vmm
311 * @{
312 */
313VMMRCDECL(int) VMMGCEntry(PVM pVM, unsigned uOperation, unsigned uArg, ...);
314VMMRCDECL(void) VMMGCGuestToHost(PVM pVM, int rc);
315VMMRCDECL(int) VMMGCCallHost(PVM pVM, VMMCALLHOST enmOperation, uint64_t uArg);
316/** @} */
317#endif /* IN_RC */
318
319
320/** @} */
321__END_DECLS
322
323#endif
324
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