VirtualBox

source: vbox/trunk/src/VBox/VMM/VMM.cpp@ 16918

Last change on this file since 16918 was 16862, checked in by vboxsync, 16 years ago

Assertion added
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1/* $Id: VMM.cpp 16862 2009-02-17 16:39:13Z vboxsync $ */
2/** @file
3 * VMM - The Virtual Machine Monitor Core.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22//#define NO_SUPCALLR0VMM
23
24/** @page pg_vmm VMM - The Virtual Machine Monitor
25 *
26 * The VMM component is two things at the moment, it's a component doing a few
27 * management and routing tasks, and it's the whole virtual machine monitor
28 * thing. For hysterical reasons, it is not doing all the management that one
29 * would expect, this is instead done by @ref pg_vm. We'll address this
30 * misdesign eventually.
31 *
32 * @see grp_vmm, grp_vm
33 *
34 *
35 * @section sec_vmmstate VMM State
36 *
37 * @image html VM_Statechart_Diagram.gif
38 *
39 * To be written.
40 *
41 *
42 * @subsection subsec_vmm_init VMM Initialization
43 *
44 * To be written.
45 *
46 *
47 * @subsection subsec_vmm_term VMM Termination
48 *
49 * To be written.
50 *
51 */
52
53/*******************************************************************************
54* Header Files *
55*******************************************************************************/
56#define LOG_GROUP LOG_GROUP_VMM
57#include <VBox/vmm.h>
58#include <VBox/vmapi.h>
59#include <VBox/pgm.h>
60#include <VBox/cfgm.h>
61#include <VBox/pdmqueue.h>
62#include <VBox/pdmapi.h>
63#include <VBox/cpum.h>
64#include <VBox/mm.h>
65#include <VBox/iom.h>
66#include <VBox/trpm.h>
67#include <VBox/selm.h>
68#include <VBox/em.h>
69#include <VBox/sup.h>
70#include <VBox/dbgf.h>
71#include <VBox/csam.h>
72#include <VBox/patm.h>
73#include <VBox/rem.h>
74#include <VBox/ssm.h>
75#include <VBox/tm.h>
76#include "VMMInternal.h"
77#include "VMMSwitcher/VMMSwitcher.h"
78#include <VBox/vm.h>
79
80#include <VBox/err.h>
81#include <VBox/param.h>
82#include <VBox/version.h>
83#include <VBox/x86.h>
84#include <VBox/hwaccm.h>
85#include <iprt/assert.h>
86#include <iprt/alloc.h>
87#include <iprt/asm.h>
88#include <iprt/time.h>
89#include <iprt/stream.h>
90#include <iprt/string.h>
91#include <iprt/stdarg.h>
92#include <iprt/ctype.h>
93
94
95
96/** The saved state version. */
97#define VMM_SAVED_STATE_VERSION 3
98
99
100/*******************************************************************************
101* Internal Functions *
102*******************************************************************************/
103static int vmmR3InitStacks(PVM pVM);
104static int vmmR3InitLoggers(PVM pVM);
105static void vmmR3InitRegisterStats(PVM pVM);
106static DECLCALLBACK(int) vmmR3Save(PVM pVM, PSSMHANDLE pSSM);
107static DECLCALLBACK(int) vmmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version);
108static DECLCALLBACK(void) vmmR3YieldEMT(PVM pVM, PTMTIMER pTimer, void *pvUser);
109static int vmmR3ServiceCallHostRequest(PVM pVM);
110static DECLCALLBACK(void) vmmR3InfoFF(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
111
112
113/**
114 * Initializes the VMM.
115 *
116 * @returns VBox status code.
117 * @param pVM The VM to operate on.
118 */
119VMMR3DECL(int) VMMR3Init(PVM pVM)
120{
121 LogFlow(("VMMR3Init\n"));
122
123 /*
124 * Assert alignment, sizes and order.
125 */
126 AssertMsg(pVM->vmm.s.offVM == 0, ("Already initialized!\n"));
127 AssertMsg(sizeof(pVM->vmm.padding) >= sizeof(pVM->vmm.s),
128 ("pVM->vmm.padding is too small! vmm.padding %d while vmm.s is %d\n",
129 sizeof(pVM->vmm.padding), sizeof(pVM->vmm.s)));
130
131 /*
132 * Init basic VM VMM members.
133 */
134 pVM->vmm.s.offVM = RT_OFFSETOF(VM, vmm);
135 int rc = CFGMR3QueryU32(CFGMR3GetRoot(pVM), "YieldEMTInterval", &pVM->vmm.s.cYieldEveryMillies);
136 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
137 pVM->vmm.s.cYieldEveryMillies = 23; /* Value arrived at after experimenting with the grub boot prompt. */
138 //pVM->vmm.s.cYieldEveryMillies = 8; //debugging
139 else
140 AssertMsgRCReturn(rc, ("Configuration error. Failed to query \"YieldEMTInterval\", rc=%Rrc\n", rc), rc);
141
142 /* GC switchers are enabled by default. Turned off by HWACCM. */
143 pVM->vmm.s.fSwitcherDisabled = false;
144
145 /*
146 * Register the saved state data unit.
147 */
148 rc = SSMR3RegisterInternal(pVM, "vmm", 1, VMM_SAVED_STATE_VERSION, VMM_STACK_SIZE + sizeof(RTGCPTR),
149 NULL, vmmR3Save, NULL,
150 NULL, vmmR3Load, NULL);
151 if (RT_FAILURE(rc))
152 return rc;
153
154 /*
155 * Register the Ring-0 VM handle with the session for fast ioctl calls.
156 */
157 rc = SUPSetVMForFastIOCtl(pVM->pVMR0);
158 if (RT_FAILURE(rc))
159 return rc;
160
161 /*
162 * Init various sub-components.
163 */
164 rc = vmmR3SwitcherInit(pVM);
165 if (RT_SUCCESS(rc))
166 {
167 rc = vmmR3InitStacks(pVM);
168 if (RT_SUCCESS(rc))
169 {
170 rc = vmmR3InitLoggers(pVM);
171
172#ifdef VBOX_WITH_NMI
173 /*
174 * Allocate mapping for the host APIC.
175 */
176 if (RT_SUCCESS(rc))
177 {
178 rc = MMR3HyperReserve(pVM, PAGE_SIZE, "Host APIC", &pVM->vmm.s.GCPtrApicBase);
179 AssertRC(rc);
180 }
181#endif
182 if (RT_SUCCESS(rc))
183 {
184 rc = RTCritSectInit(&pVM->vmm.s.CritSectVMLock);
185 if (RT_SUCCESS(rc))
186 {
187 /*
188 * Debug info and statistics.
189 */
190 DBGFR3InfoRegisterInternal(pVM, "ff", "Displays the current Forced actions Flags.", vmmR3InfoFF);
191 vmmR3InitRegisterStats(pVM);
192
193 return VINF_SUCCESS;
194 }
195 }
196 }
197 /** @todo: Need failure cleanup. */
198
199 //more todo in here?
200 //if (RT_SUCCESS(rc))
201 //{
202 //}
203 //int rc2 = vmmR3TermCoreCode(pVM);
204 //AssertRC(rc2));
205 }
206
207 return rc;
208}
209
210
211/**
212 * Allocate & setup the VMM RC stack(s) (for EMTs).
213 *
214 * The stacks are also used for long jumps in Ring-0.
215 *
216 * @returns VBox status code.
217 * @param pVM Pointer to the shared VM structure.
218 *
219 * @remarks The optional guard page gets it protection setup up during R3 init
220 * completion because of init order issues.
221 */
222static int vmmR3InitStacks(PVM pVM)
223{
224 /** @todo SMP: On stack per vCPU. */
225#ifdef VBOX_STRICT_VMM_STACK
226 int rc = MMR3HyperAllocOnceNoRel(pVM, VMM_STACK_SIZE + PAGE_SIZE + PAGE_SIZE, PAGE_SIZE, MM_TAG_VMM, (void **)&pVM->vmm.s.pbEMTStackR3);
227#else
228 int rc = MMR3HyperAllocOnceNoRel(pVM, VMM_STACK_SIZE, PAGE_SIZE, MM_TAG_VMM, (void **)&pVM->vmm.s.pbEMTStackR3);
229#endif
230 if (RT_SUCCESS(rc))
231 {
232#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
233 /* MMHyperR3ToR0 returns R3 when not doing hardware assisted virtualization. */
234 if (!VMMIsHwVirtExtForced(pVM))
235 pVM->vmm.s.CallHostR0JmpBuf.pvSavedStack = NIL_RTR0PTR;
236 else
237#endif
238 pVM->vmm.s.CallHostR0JmpBuf.pvSavedStack = MMHyperR3ToR0(pVM, pVM->vmm.s.pbEMTStackR3);
239 pVM->vmm.s.pbEMTStackRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pbEMTStackR3);
240 pVM->vmm.s.pbEMTStackBottomRC = pVM->vmm.s.pbEMTStackRC + VMM_STACK_SIZE;
241 AssertRelease(pVM->vmm.s.pbEMTStackRC);
242
243 CPUMSetHyperESP(pVM, pVM->vmm.s.pbEMTStackBottomRC);
244 }
245
246 return rc;
247}
248
249
250/**
251 * Initialize the loggers.
252 *
253 * @returns VBox status code.
254 * @param pVM Pointer to the shared VM structure.
255 */
256static int vmmR3InitLoggers(PVM pVM)
257{
258 int rc;
259
260 /*
261 * Allocate RC & R0 Logger instances (they are finalized in the relocator).
262 */
263#ifdef LOG_ENABLED
264 PRTLOGGER pLogger = RTLogDefaultInstance();
265 if (pLogger)
266 {
267 pVM->vmm.s.cbRCLogger = RT_OFFSETOF(RTLOGGERRC, afGroups[pLogger->cGroups]);
268 rc = MMR3HyperAllocOnceNoRel(pVM, pVM->vmm.s.cbRCLogger, 0, MM_TAG_VMM, (void **)&pVM->vmm.s.pRCLoggerR3);
269 if (RT_FAILURE(rc))
270 return rc;
271 pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3);
272
273# ifdef VBOX_WITH_R0_LOGGING
274 rc = MMR3HyperAllocOnceNoRel(pVM, RT_OFFSETOF(VMMR0LOGGER, Logger.afGroups[pLogger->cGroups]),
275 0, MM_TAG_VMM, (void **)&pVM->vmm.s.pR0LoggerR3);
276 if (RT_FAILURE(rc))
277 return rc;
278 pVM->vmm.s.pR0LoggerR3->pVM = pVM->pVMR0;
279 //pVM->vmm.s.pR0LoggerR3->fCreated = false;
280 pVM->vmm.s.pR0LoggerR3->cbLogger = RT_OFFSETOF(RTLOGGER, afGroups[pLogger->cGroups]);
281 pVM->vmm.s.pR0LoggerR0 = MMHyperR3ToR0(pVM, pVM->vmm.s.pR0LoggerR3);
282# endif
283 }
284#endif /* LOG_ENABLED */
285
286#ifdef VBOX_WITH_RC_RELEASE_LOGGING
287 /*
288 * Allocate RC release logger instances (finalized in the relocator).
289 */
290 PRTLOGGER pRelLogger = RTLogRelDefaultInstance();
291 if (pRelLogger)
292 {
293 pVM->vmm.s.cbRCRelLogger = RT_OFFSETOF(RTLOGGERRC, afGroups[pRelLogger->cGroups]);
294 rc = MMR3HyperAllocOnceNoRel(pVM, pVM->vmm.s.cbRCRelLogger, 0, MM_TAG_VMM, (void **)&pVM->vmm.s.pRCRelLoggerR3);
295 if (RT_FAILURE(rc))
296 return rc;
297 pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3);
298 }
299#endif /* VBOX_WITH_RC_RELEASE_LOGGING */
300 return VINF_SUCCESS;
301}
302
303
304/**
305 * VMMR3Init worker that register the statistics with STAM.
306 *
307 * @param pVM The shared VM structure.
308 */
309static void vmmR3InitRegisterStats(PVM pVM)
310{
311 /*
312 * Statistics.
313 */
314 STAM_REG(pVM, &pVM->vmm.s.StatRunRC, STAMTYPE_COUNTER, "/VMM/RunRC", STAMUNIT_OCCURENCES, "Number of context switches.");
315 STAM_REG(pVM, &pVM->vmm.s.StatRZRetNormal, STAMTYPE_COUNTER, "/VMM/RZRet/Normal", STAMUNIT_OCCURENCES, "Number of VINF_SUCCESS returns.");
316 STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterrupt, STAMTYPE_COUNTER, "/VMM/RZRet/Interrupt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT returns.");
317 STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterruptHyper, STAMTYPE_COUNTER, "/VMM/RZRet/InterruptHyper", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT_HYPER returns.");
318 STAM_REG(pVM, &pVM->vmm.s.StatRZRetGuestTrap, STAMTYPE_COUNTER, "/VMM/RZRet/GuestTrap", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_GUEST_TRAP returns.");
319 STAM_REG(pVM, &pVM->vmm.s.StatRZRetRingSwitch, STAMTYPE_COUNTER, "/VMM/RZRet/RingSwitch", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_RING_SWITCH returns.");
320 STAM_REG(pVM, &pVM->vmm.s.StatRZRetRingSwitchInt, STAMTYPE_COUNTER, "/VMM/RZRet/RingSwitchInt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_RING_SWITCH_INT returns.");
321 STAM_REG(pVM, &pVM->vmm.s.StatRZRetExceptionPrivilege, STAMTYPE_COUNTER, "/VMM/RZRet/ExceptionPrivilege", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_EXCEPTION_PRIVILEGED returns.");
322 STAM_REG(pVM, &pVM->vmm.s.StatRZRetStaleSelector, STAMTYPE_COUNTER, "/VMM/RZRet/StaleSelector", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_STALE_SELECTOR returns.");
323 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIRETTrap, STAMTYPE_COUNTER, "/VMM/RZRet/IRETTrap", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_IRET_TRAP returns.");
324 STAM_REG(pVM, &pVM->vmm.s.StatRZRetEmulate, STAMTYPE_COUNTER, "/VMM/RZRet/Emulate", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION returns.");
325 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchEmulate, STAMTYPE_COUNTER, "/VMM/RZRet/PatchEmulate", STAMUNIT_OCCURENCES, "Number of VINF_PATCH_EMULATE_INSTR returns.");
326 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIORead, STAMTYPE_COUNTER, "/VMM/RZRet/IORead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_IOPORT_READ returns.");
327 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIOWrite, STAMTYPE_COUNTER, "/VMM/RZRet/IOWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_IOPORT_WRITE returns.");
328 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIORead, STAMTYPE_COUNTER, "/VMM/RZRet/MMIORead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_READ returns.");
329 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_WRITE returns.");
330 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOReadWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOReadWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_READ_WRITE returns.");
331 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOPatchRead, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOPatchRead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_PATCH_READ returns.");
332 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOPatchWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOPatchWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_PATCH_WRITE returns.");
333 STAM_REG(pVM, &pVM->vmm.s.StatRZRetLDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/LDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_GDT_FAULT returns.");
334 STAM_REG(pVM, &pVM->vmm.s.StatRZRetGDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/GDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_LDT_FAULT returns.");
335 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/IDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_IDT_FAULT returns.");
336 STAM_REG(pVM, &pVM->vmm.s.StatRZRetTSSFault, STAMTYPE_COUNTER, "/VMM/RZRet/TSSFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_TSS_FAULT returns.");
337 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPDFault, STAMTYPE_COUNTER, "/VMM/RZRet/PDFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_PD_FAULT returns.");
338 STAM_REG(pVM, &pVM->vmm.s.StatRZRetCSAMTask, STAMTYPE_COUNTER, "/VMM/RZRet/CSAMTask", STAMUNIT_OCCURENCES, "Number of VINF_CSAM_PENDING_ACTION returns.");
339 STAM_REG(pVM, &pVM->vmm.s.StatRZRetSyncCR3, STAMTYPE_COUNTER, "/VMM/RZRet/SyncCR", STAMUNIT_OCCURENCES, "Number of VINF_PGM_SYNC_CR3 returns.");
340 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMisc, STAMTYPE_COUNTER, "/VMM/RZRet/Misc", STAMUNIT_OCCURENCES, "Number of misc returns.");
341 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchInt3, STAMTYPE_COUNTER, "/VMM/RZRet/PatchInt3", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_INT3 returns.");
342 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchPF, STAMTYPE_COUNTER, "/VMM/RZRet/PatchPF", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_TRAP_PF returns.");
343 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchGP, STAMTYPE_COUNTER, "/VMM/RZRet/PatchGP", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_TRAP_GP returns.");
344 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchIretIRQ, STAMTYPE_COUNTER, "/VMM/RZRet/PatchIret", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PENDING_IRQ_AFTER_IRET returns.");
345 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPageOverflow, STAMTYPE_COUNTER, "/VMM/RZRet/InvlpgOverflow", STAMUNIT_OCCURENCES, "Number of VERR_REM_FLUSHED_PAGES_OVERFLOW returns.");
346 STAM_REG(pVM, &pVM->vmm.s.StatRZRetRescheduleREM, STAMTYPE_COUNTER, "/VMM/RZRet/ScheduleREM", STAMUNIT_OCCURENCES, "Number of VINF_EM_RESCHEDULE_REM returns.");
347 STAM_REG(pVM, &pVM->vmm.s.StatRZRetToR3, STAMTYPE_COUNTER, "/VMM/RZRet/ToR3", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_TO_R3 returns.");
348 STAM_REG(pVM, &pVM->vmm.s.StatRZRetTimerPending, STAMTYPE_COUNTER, "/VMM/RZRet/TimerPending", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_TIMER_PENDING returns.");
349 STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterruptPending, STAMTYPE_COUNTER, "/VMM/RZRet/InterruptPending", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT_PENDING returns.");
350 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPATMDuplicateFn, STAMTYPE_COUNTER, "/VMM/RZRet/PATMDuplicateFn", STAMUNIT_OCCURENCES, "Number of VINF_PATM_DUPLICATE_FUNCTION returns.");
351 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPGMChangeMode, STAMTYPE_COUNTER, "/VMM/RZRet/PGMChangeMode", STAMUNIT_OCCURENCES, "Number of VINF_PGM_CHANGE_MODE returns.");
352 STAM_REG(pVM, &pVM->vmm.s.StatRZRetEmulHlt, STAMTYPE_COUNTER, "/VMM/RZRet/EmulHlt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_EMULATE_INSTR_HLT returns.");
353 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPendingRequest, STAMTYPE_COUNTER, "/VMM/RZRet/PendingRequest", STAMUNIT_OCCURENCES, "Number of VINF_EM_PENDING_REQUEST returns.");
354
355 STAM_REG(pVM, &pVM->vmm.s.StatRZRetCallHost, STAMTYPE_COUNTER, "/VMM/RZCallR3/Misc", STAMUNIT_OCCURENCES, "Number of Other ring-3 calls.");
356 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPDMLock, STAMTYPE_COUNTER, "/VMM/RZCallR3/PDMLock", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PDM_LOCK calls.");
357 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPDMQueueFlush, STAMTYPE_COUNTER, "/VMM/RZCallR3/PDMQueueFlush", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PDM_QUEUE_FLUSH calls.");
358 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMLock, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMLock", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_LOCK calls.");
359 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMPoolGrow, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMPoolGrow", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_POOL_GROW calls.");
360 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMMapChunk, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMMapChunk", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_MAP_CHUNK calls.");
361 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMAllocHandy, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMAllocHandy", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES calls.");
362#ifndef VBOX_WITH_NEW_PHYS_CODE
363 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMGrowRAM, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMGrowRAM", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_RAM_GROW_RANGE calls.");
364#endif
365 STAM_REG(pVM, &pVM->vmm.s.StatRZCallRemReplay, STAMTYPE_COUNTER, "/VMM/RZCallR3/REMReplay", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS calls.");
366 STAM_REG(pVM, &pVM->vmm.s.StatRZCallLogFlush, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMMLogFlush", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VMM_LOGGER_FLUSH calls.");
367 STAM_REG(pVM, &pVM->vmm.s.StatRZCallVMSetError, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMSetError", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VM_SET_ERROR calls.");
368 STAM_REG(pVM, &pVM->vmm.s.StatRZCallVMSetRuntimeError, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMRuntimeError", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VM_SET_RUNTIME_ERROR calls.");
369}
370
371
372/**
373 * Initializes the per-VCPU VMM.
374 *
375 * @returns VBox status code.
376 * @param pVM The VM to operate on.
377 */
378VMMR3DECL(int) VMMR3InitCPU(PVM pVM)
379{
380 LogFlow(("VMMR3InitCPU\n"));
381 return VINF_SUCCESS;
382}
383
384
385/**
386 * Ring-3 init finalizing.
387 *
388 * @returns VBox status code.
389 * @param pVM The VM handle.
390 */
391VMMR3DECL(int) VMMR3InitFinalize(PVM pVM)
392{
393#ifdef VBOX_STRICT_VMM_STACK
394 /*
395 * Two inaccessible pages at each sides of the stack to catch over/under-flows.
396 */
397 memset(pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE, 0xcc, PAGE_SIZE);
398 PGMMapSetPage(pVM, MMHyperR3ToRC(pVM, pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE), PAGE_SIZE, 0);
399 RTMemProtect(pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE, PAGE_SIZE, RTMEM_PROT_NONE);
400
401 memset(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, 0xcc, PAGE_SIZE);
402 PGMMapSetPage(pVM, MMHyperR3ToRC(pVM, pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE), PAGE_SIZE, 0);
403 RTMemProtect(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, PAGE_SIZE, RTMEM_PROT_NONE);
404#endif
405
406 /*
407 * Set page attributes to r/w for stack pages.
408 */
409 int rc = PGMMapSetPage(pVM, pVM->vmm.s.pbEMTStackRC, VMM_STACK_SIZE, X86_PTE_P | X86_PTE_A | X86_PTE_D | X86_PTE_RW);
410 AssertRC(rc);
411 if (RT_SUCCESS(rc))
412 {
413 /*
414 * Create the EMT yield timer.
415 */
416 rc = TMR3TimerCreateInternal(pVM, TMCLOCK_REAL, vmmR3YieldEMT, NULL, "EMT Yielder", &pVM->vmm.s.pYieldTimer);
417 if (RT_SUCCESS(rc))
418 rc = TMTimerSetMillies(pVM->vmm.s.pYieldTimer, pVM->vmm.s.cYieldEveryMillies);
419 }
420
421#ifdef VBOX_WITH_NMI
422 /*
423 * Map the host APIC into GC - This is AMD/Intel + Host OS specific!
424 */
425 if (RT_SUCCESS(rc))
426 rc = PGMMap(pVM, pVM->vmm.s.GCPtrApicBase, 0xfee00000, PAGE_SIZE,
427 X86_PTE_P | X86_PTE_RW | X86_PTE_PWT | X86_PTE_PCD | X86_PTE_A | X86_PTE_D);
428#endif
429 return rc;
430}
431
432
433/**
434 * Initializes the R0 VMM.
435 *
436 * @returns VBox status code.
437 * @param pVM The VM to operate on.
438 */
439VMMR3DECL(int) VMMR3InitR0(PVM pVM)
440{
441 int rc;
442
443 /*
444 * Initialize the ring-0 logger if we haven't done so yet.
445 */
446 if ( pVM->vmm.s.pR0LoggerR3
447 && !pVM->vmm.s.pR0LoggerR3->fCreated)
448 {
449 rc = VMMR3UpdateLoggers(pVM);
450 if (RT_FAILURE(rc))
451 return rc;
452 }
453
454 /*
455 * Call Ring-0 entry with init code.
456 */
457 for (;;)
458 {
459#ifdef NO_SUPCALLR0VMM
460 //rc = VERR_GENERAL_FAILURE;
461 rc = VINF_SUCCESS;
462#else
463 rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_VMMR0_INIT, VMMGetSvnRev(), NULL);
464#endif
465 if ( pVM->vmm.s.pR0LoggerR3
466 && pVM->vmm.s.pR0LoggerR3->Logger.offScratch > 0)
467 RTLogFlushToLogger(&pVM->vmm.s.pR0LoggerR3->Logger, NULL);
468 if (rc != VINF_VMM_CALL_HOST)
469 break;
470 rc = vmmR3ServiceCallHostRequest(pVM);
471 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
472 break;
473 /* Resume R0 */
474 }
475
476 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
477 {
478 LogRel(("R0 init failed, rc=%Rra\n", rc));
479 if (RT_SUCCESS(rc))
480 rc = VERR_INTERNAL_ERROR;
481 }
482 return rc;
483}
484
485
486/**
487 * Initializes the RC VMM.
488 *
489 * @returns VBox status code.
490 * @param pVM The VM to operate on.
491 */
492VMMR3DECL(int) VMMR3InitRC(PVM pVM)
493{
494 /* In VMX mode, there's no need to init RC. */
495 if (pVM->vmm.s.fSwitcherDisabled)
496 return VINF_SUCCESS;
497
498 /*
499 * Call VMMGCInit():
500 * -# resolve the address.
501 * -# setup stackframe and EIP to use the trampoline.
502 * -# do a generic hypervisor call.
503 */
504 RTRCPTR RCPtrEP;
505 int rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "VMMGCEntry", &RCPtrEP);
506 if (RT_SUCCESS(rc))
507 {
508 CPUMHyperSetCtxCore(pVM, NULL);
509 CPUMSetHyperESP(pVM, pVM->vmm.s.pbEMTStackBottomRC); /* Clear the stack. */
510 uint64_t u64TS = RTTimeProgramStartNanoTS();
511 CPUMPushHyper(pVM, (uint32_t)(u64TS >> 32)); /* Param 3: The program startup TS - Hi. */
512 CPUMPushHyper(pVM, (uint32_t)u64TS); /* Param 3: The program startup TS - Lo. */
513 CPUMPushHyper(pVM, VMMGetSvnRev()); /* Param 2: Version argument. */
514 CPUMPushHyper(pVM, VMMGC_DO_VMMGC_INIT); /* Param 1: Operation. */
515 CPUMPushHyper(pVM, pVM->pVMRC); /* Param 0: pVM */
516 CPUMPushHyper(pVM, 5 * sizeof(RTRCPTR)); /* trampoline param: stacksize. */
517 CPUMPushHyper(pVM, RCPtrEP); /* Call EIP. */
518 CPUMSetHyperEIP(pVM, pVM->vmm.s.pfnCallTrampolineRC);
519 Assert(CPUMGetHyperCR3(pVM) && CPUMGetHyperCR3(pVM) == PGMGetHyperCR3(pVM));
520
521 for (;;)
522 {
523#ifdef NO_SUPCALLR0VMM
524 //rc = VERR_GENERAL_FAILURE;
525 rc = VINF_SUCCESS;
526#else
527 rc = SUPCallVMMR0(pVM->pVMR0, VMMR0_DO_CALL_HYPERVISOR, NULL);
528#endif
529#ifdef LOG_ENABLED
530 PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3;
531 if ( pLogger
532 && pLogger->offScratch > 0)
533 RTLogFlushRC(NULL, pLogger);
534#endif
535#ifdef VBOX_WITH_RC_RELEASE_LOGGING
536 PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3;
537 if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0))
538 RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger);
539#endif
540 if (rc != VINF_VMM_CALL_HOST)
541 break;
542 rc = vmmR3ServiceCallHostRequest(pVM);
543 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
544 break;
545 }
546
547 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
548 {
549 VMMR3FatalDump(pVM, rc);
550 if (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)
551 rc = VERR_INTERNAL_ERROR;
552 }
553 AssertRC(rc);
554 }
555 return rc;
556}
557
558
559/**
560 * Terminate the VMM bits.
561 *
562 * @returns VINF_SUCCESS.
563 * @param pVM The VM handle.
564 */
565VMMR3DECL(int) VMMR3Term(PVM pVM)
566{
567 /*
568 * Call Ring-0 entry with termination code.
569 */
570 int rc;
571 for (;;)
572 {
573#ifdef NO_SUPCALLR0VMM
574 //rc = VERR_GENERAL_FAILURE;
575 rc = VINF_SUCCESS;
576#else
577 rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_VMMR0_TERM, 0, NULL);
578#endif
579 if ( pVM->vmm.s.pR0LoggerR3
580 && pVM->vmm.s.pR0LoggerR3->Logger.offScratch > 0)
581 RTLogFlushToLogger(&pVM->vmm.s.pR0LoggerR3->Logger, NULL);
582 if (rc != VINF_VMM_CALL_HOST)
583 break;
584 rc = vmmR3ServiceCallHostRequest(pVM);
585 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
586 break;
587 /* Resume R0 */
588 }
589 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
590 {
591 LogRel(("VMMR3Term: R0 term failed, rc=%Rra. (warning)\n", rc));
592 if (RT_SUCCESS(rc))
593 rc = VERR_INTERNAL_ERROR;
594 }
595
596#ifdef VBOX_STRICT_VMM_STACK
597 /*
598 * Make the two stack guard pages present again.
599 */
600 RTMemProtect(pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE, PAGE_SIZE, RTMEM_PROT_READ | RTMEM_PROT_WRITE);
601 RTMemProtect(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, PAGE_SIZE, RTMEM_PROT_READ | RTMEM_PROT_WRITE);
602#endif
603 return rc;
604}
605
606
607/**
608 * Terminates the per-VCPU VMM.
609 *
610 * Termination means cleaning up and freeing all resources,
611 * the VM it self is at this point powered off or suspended.
612 *
613 * @returns VBox status code.
614 * @param pVM The VM to operate on.
615 */
616VMMR3DECL(int) VMMR3TermCPU(PVM pVM)
617{
618 return VINF_SUCCESS;
619}
620
621
622/**
623 * Applies relocations to data and code managed by this
624 * component. This function will be called at init and
625 * whenever the VMM need to relocate it self inside the GC.
626 *
627 * The VMM will need to apply relocations to the core code.
628 *
629 * @param pVM The VM handle.
630 * @param offDelta The relocation delta.
631 */
632VMMR3DECL(void) VMMR3Relocate(PVM pVM, RTGCINTPTR offDelta)
633{
634 LogFlow(("VMMR3Relocate: offDelta=%RGv\n", offDelta));
635
636 /*
637 * Recalc the RC address.
638 */
639 pVM->vmm.s.pvCoreCodeRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pvCoreCodeR3);
640
641 /*
642 * The stack.
643 */
644 CPUMSetHyperESP(pVM, CPUMGetHyperESP(pVM) + offDelta);
645 pVM->vmm.s.pbEMTStackRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pbEMTStackR3);
646 pVM->vmm.s.pbEMTStackBottomRC = pVM->vmm.s.pbEMTStackRC + VMM_STACK_SIZE;
647
648 /*
649 * All the switchers.
650 */
651 vmmR3SwitcherRelocate(pVM, offDelta);
652
653 /*
654 * Get other RC entry points.
655 */
656 int rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "CPUMGCResumeGuest", &pVM->vmm.s.pfnCPUMRCResumeGuest);
657 AssertReleaseMsgRC(rc, ("CPUMGCResumeGuest not found! rc=%Rra\n", rc));
658
659 rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "CPUMGCResumeGuestV86", &pVM->vmm.s.pfnCPUMRCResumeGuestV86);
660 AssertReleaseMsgRC(rc, ("CPUMGCResumeGuestV86 not found! rc=%Rra\n", rc));
661
662 /*
663 * Update the logger.
664 */
665 VMMR3UpdateLoggers(pVM);
666}
667
668
669/**
670 * Updates the settings for the RC and R0 loggers.
671 *
672 * @returns VBox status code.
673 * @param pVM The VM handle.
674 */
675VMMR3DECL(int) VMMR3UpdateLoggers(PVM pVM)
676{
677 /*
678 * Simply clone the logger instance (for RC).
679 */
680 int rc = VINF_SUCCESS;
681 RTRCPTR RCPtrLoggerFlush = 0;
682
683 if (pVM->vmm.s.pRCLoggerR3
684#ifdef VBOX_WITH_RC_RELEASE_LOGGING
685 || pVM->vmm.s.pRCRelLoggerR3
686#endif
687 )
688 {
689 rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCLoggerFlush", &RCPtrLoggerFlush);
690 AssertReleaseMsgRC(rc, ("vmmGCLoggerFlush not found! rc=%Rra\n", rc));
691 }
692
693 if (pVM->vmm.s.pRCLoggerR3)
694 {
695 RTRCPTR RCPtrLoggerWrapper = 0;
696 rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCLoggerWrapper", &RCPtrLoggerWrapper);
697 AssertReleaseMsgRC(rc, ("vmmGCLoggerWrapper not found! rc=%Rra\n", rc));
698
699 pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3);
700 rc = RTLogCloneRC(NULL /* default */, pVM->vmm.s.pRCLoggerR3, pVM->vmm.s.cbRCLogger,
701 RCPtrLoggerWrapper, RCPtrLoggerFlush, RTLOGFLAGS_BUFFERED);
702 AssertReleaseMsgRC(rc, ("RTLogCloneRC failed! rc=%Rra\n", rc));
703 }
704
705#ifdef VBOX_WITH_RC_RELEASE_LOGGING
706 if (pVM->vmm.s.pRCRelLoggerR3)
707 {
708 RTRCPTR RCPtrLoggerWrapper = 0;
709 rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCRelLoggerWrapper", &RCPtrLoggerWrapper);
710 AssertReleaseMsgRC(rc, ("vmmGCRelLoggerWrapper not found! rc=%Rra\n", rc));
711
712 pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3);
713 rc = RTLogCloneRC(RTLogRelDefaultInstance(), pVM->vmm.s.pRCRelLoggerR3, pVM->vmm.s.cbRCRelLogger,
714 RCPtrLoggerWrapper, RCPtrLoggerFlush, RTLOGFLAGS_BUFFERED);
715 AssertReleaseMsgRC(rc, ("RTLogCloneRC failed! rc=%Rra\n", rc));
716 }
717#endif /* VBOX_WITH_RC_RELEASE_LOGGING */
718
719 /*
720 * For the ring-0 EMT logger, we use a per-thread logger instance
721 * in ring-0. Only initialize it once.
722 */
723 PVMMR0LOGGER pR0LoggerR3 = pVM->vmm.s.pR0LoggerR3;
724 if (pR0LoggerR3)
725 {
726 if (!pR0LoggerR3->fCreated)
727 {
728 RTR0PTR pfnLoggerWrapper = NIL_RTR0PTR;
729 rc = PDMR3LdrGetSymbolR0(pVM, VMMR0_MAIN_MODULE_NAME, "vmmR0LoggerWrapper", &pfnLoggerWrapper);
730 AssertReleaseMsgRCReturn(rc, ("VMMLoggerWrapper not found! rc=%Rra\n", rc), rc);
731
732 RTR0PTR pfnLoggerFlush = NIL_RTR0PTR;
733 rc = PDMR3LdrGetSymbolR0(pVM, VMMR0_MAIN_MODULE_NAME, "vmmR0LoggerFlush", &pfnLoggerFlush);
734 AssertReleaseMsgRCReturn(rc, ("VMMLoggerFlush not found! rc=%Rra\n", rc), rc);
735
736 rc = RTLogCreateForR0(&pR0LoggerR3->Logger, pR0LoggerR3->cbLogger,
737 *(PFNRTLOGGER *)&pfnLoggerWrapper, *(PFNRTLOGFLUSH *)&pfnLoggerFlush,
738 RTLOGFLAGS_BUFFERED, RTLOGDEST_DUMMY);
739 AssertReleaseMsgRCReturn(rc, ("RTLogCreateForR0 failed! rc=%Rra\n", rc), rc);
740 pR0LoggerR3->fCreated = true;
741 pR0LoggerR3->fFlushingDisabled = false;
742 }
743
744 rc = RTLogCopyGroupsAndFlags(&pR0LoggerR3->Logger, NULL /* default */, pVM->vmm.s.pRCLoggerR3->fFlags, RTLOGFLAGS_BUFFERED);
745 AssertRC(rc);
746 }
747
748 return rc;
749}
750
751
752/**
753 * Gets the pointer to a buffer containing the R0/RC AssertMsg1 output.
754 *
755 * @returns Pointer to the buffer.
756 * @param pVM The VM handle.
757 */
758VMMR3DECL(const char *) VMMR3GetRZAssertMsg1(PVM pVM)
759{
760 if (HWACCMIsEnabled(pVM))
761 return pVM->vmm.s.szRing0AssertMsg1;
762
763 RTRCPTR RCPtr;
764 int rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_szRTAssertMsg1", &RCPtr);
765 if (RT_SUCCESS(rc))
766 return (const char *)MMHyperRCToR3(pVM, RCPtr);
767
768 return NULL;
769}
770
771
772/**
773 * Gets the pointer to a buffer containing the R0/RC AssertMsg2 output.
774 *
775 * @returns Pointer to the buffer.
776 * @param pVM The VM handle.
777 */
778VMMR3DECL(const char *) VMMR3GetRZAssertMsg2(PVM pVM)
779{
780 if (HWACCMIsEnabled(pVM))
781 return pVM->vmm.s.szRing0AssertMsg2;
782
783 RTRCPTR RCPtr;
784 int rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_szRTAssertMsg2", &RCPtr);
785 if (RT_SUCCESS(rc))
786 return (const char *)MMHyperRCToR3(pVM, RCPtr);
787
788 return NULL;
789}
790
791
792/**
793 * Execute state save operation.
794 *
795 * @returns VBox status code.
796 * @param pVM VM Handle.
797 * @param pSSM SSM operation handle.
798 */
799static DECLCALLBACK(int) vmmR3Save(PVM pVM, PSSMHANDLE pSSM)
800{
801 LogFlow(("vmmR3Save:\n"));
802
803 /*
804 * The hypervisor stack.
805 * Note! See not in vmmR3Load.
806 */
807 SSMR3PutRCPtr(pSSM, pVM->vmm.s.pbEMTStackBottomRC);
808 RTRCPTR RCPtrESP = CPUMGetHyperESP(pVM);
809 AssertMsg(pVM->vmm.s.pbEMTStackBottomRC - RCPtrESP <= VMM_STACK_SIZE, ("Bottom %RRv ESP=%RRv\n", pVM->vmm.s.pbEMTStackBottomRC, RCPtrESP));
810 SSMR3PutRCPtr(pSSM, RCPtrESP);
811 SSMR3PutMem(pSSM, pVM->vmm.s.pbEMTStackR3, VMM_STACK_SIZE);
812 return SSMR3PutU32(pSSM, ~0); /* terminator */
813}
814
815
816/**
817 * Execute state load operation.
818 *
819 * @returns VBox status code.
820 * @param pVM VM Handle.
821 * @param pSSM SSM operation handle.
822 * @param u32Version Data layout version.
823 */
824static DECLCALLBACK(int) vmmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
825{
826 LogFlow(("vmmR3Load:\n"));
827
828 /*
829 * Validate version.
830 */
831 if (u32Version != VMM_SAVED_STATE_VERSION)
832 {
833 AssertMsgFailed(("vmmR3Load: Invalid version u32Version=%d!\n", u32Version));
834 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
835 }
836
837 /*
838 * Check that the stack is in the same place, or that it's fearly empty.
839 *
840 * Note! This can be skipped next time we update saved state as we will
841 * never be in a R0/RC -> ring-3 call when saving the state. The
842 * stack and the two associated pointers are not required.
843 */
844 RTRCPTR RCPtrStackBottom;
845 SSMR3GetRCPtr(pSSM, &RCPtrStackBottom);
846 RTRCPTR RCPtrESP;
847 int rc = SSMR3GetRCPtr(pSSM, &RCPtrESP);
848 if (RT_FAILURE(rc))
849 return rc;
850
851 /* restore the stack. */
852 SSMR3GetMem(pSSM, pVM->vmm.s.pbEMTStackR3, VMM_STACK_SIZE);
853
854 /* terminator */
855 uint32_t u32;
856 rc = SSMR3GetU32(pSSM, &u32);
857 if (RT_FAILURE(rc))
858 return rc;
859 if (u32 != ~0U)
860 {
861 AssertMsgFailed(("u32=%#x\n", u32));
862 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
863 }
864 return VINF_SUCCESS;
865}
866
867
868/**
869 * Resolve a builtin RC symbol.
870 *
871 * Called by PDM when loading or relocating RC modules.
872 *
873 * @returns VBox status
874 * @param pVM VM Handle.
875 * @param pszSymbol Symbol to resolv
876 * @param pRCPtrValue Where to store the symbol value.
877 *
878 * @remark This has to work before VMMR3Relocate() is called.
879 */
880VMMR3DECL(int) VMMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue)
881{
882 if (!strcmp(pszSymbol, "g_Logger"))
883 {
884 if (pVM->vmm.s.pRCLoggerR3)
885 pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3);
886 *pRCPtrValue = pVM->vmm.s.pRCLoggerRC;
887 }
888 else if (!strcmp(pszSymbol, "g_RelLogger"))
889 {
890#ifdef VBOX_WITH_RC_RELEASE_LOGGING
891 if (pVM->vmm.s.pRCRelLoggerR3)
892 pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3);
893 *pRCPtrValue = pVM->vmm.s.pRCRelLoggerRC;
894#else
895 *pRCPtrValue = NIL_RTRCPTR;
896#endif
897 }
898 else
899 return VERR_SYMBOL_NOT_FOUND;
900 return VINF_SUCCESS;
901}
902
903
904/**
905 * Suspends the CPU yielder.
906 *
907 * @param pVM The VM handle.
908 */
909VMMR3DECL(void) VMMR3YieldSuspend(PVM pVM)
910{
911 if (!pVM->vmm.s.cYieldResumeMillies)
912 {
913 uint64_t u64Now = TMTimerGet(pVM->vmm.s.pYieldTimer);
914 uint64_t u64Expire = TMTimerGetExpire(pVM->vmm.s.pYieldTimer);
915 if (u64Now >= u64Expire || u64Expire == ~(uint64_t)0)
916 pVM->vmm.s.cYieldResumeMillies = pVM->vmm.s.cYieldEveryMillies;
917 else
918 pVM->vmm.s.cYieldResumeMillies = TMTimerToMilli(pVM->vmm.s.pYieldTimer, u64Expire - u64Now);
919 TMTimerStop(pVM->vmm.s.pYieldTimer);
920 }
921 pVM->vmm.s.u64LastYield = RTTimeNanoTS();
922}
923
924
925/**
926 * Stops the CPU yielder.
927 *
928 * @param pVM The VM handle.
929 */
930VMMR3DECL(void) VMMR3YieldStop(PVM pVM)
931{
932 if (!pVM->vmm.s.cYieldResumeMillies)
933 TMTimerStop(pVM->vmm.s.pYieldTimer);
934 pVM->vmm.s.cYieldResumeMillies = pVM->vmm.s.cYieldEveryMillies;
935 pVM->vmm.s.u64LastYield = RTTimeNanoTS();
936}
937
938
939/**
940 * Resumes the CPU yielder when it has been a suspended or stopped.
941 *
942 * @param pVM The VM handle.
943 */
944VMMR3DECL(void) VMMR3YieldResume(PVM pVM)
945{
946 if (pVM->vmm.s.cYieldResumeMillies)
947 {
948 TMTimerSetMillies(pVM->vmm.s.pYieldTimer, pVM->vmm.s.cYieldResumeMillies);
949 pVM->vmm.s.cYieldResumeMillies = 0;
950 }
951}
952
953
954/**
955 * Internal timer callback function.
956 *
957 * @param pVM The VM.
958 * @param pTimer The timer handle.
959 * @param pvUser User argument specified upon timer creation.
960 */
961static DECLCALLBACK(void) vmmR3YieldEMT(PVM pVM, PTMTIMER pTimer, void *pvUser)
962{
963 /*
964 * This really needs some careful tuning. While we shouldn't be too greedy since
965 * that'll cause the rest of the system to stop up, we shouldn't be too nice either
966 * because that'll cause us to stop up.
967 *
968 * The current logic is to use the default interval when there is no lag worth
969 * mentioning, but when we start accumulating lag we don't bother yielding at all.
970 *
971 * (This depends on the TMCLOCK_VIRTUAL_SYNC to be scheduled before TMCLOCK_REAL
972 * so the lag is up to date.)
973 */
974 const uint64_t u64Lag = TMVirtualSyncGetLag(pVM);
975 if ( u64Lag < 50000000 /* 50ms */
976 || ( u64Lag < 1000000000 /* 1s */
977 && RTTimeNanoTS() - pVM->vmm.s.u64LastYield < 500000000 /* 500 ms */)
978 )
979 {
980 uint64_t u64Elapsed = RTTimeNanoTS();
981 pVM->vmm.s.u64LastYield = u64Elapsed;
982
983 RTThreadYield();
984
985#ifdef LOG_ENABLED
986 u64Elapsed = RTTimeNanoTS() - u64Elapsed;
987 Log(("vmmR3YieldEMT: %RI64 ns\n", u64Elapsed));
988#endif
989 }
990 TMTimerSetMillies(pTimer, pVM->vmm.s.cYieldEveryMillies);
991}
992
993
994/**
995 * Acquire global VM lock.
996 *
997 * @returns VBox status code
998 * @param pVM The VM to operate on.
999 *
1000 * @remarks The global VMM lock isn't really used for anything any longer.
1001 */
1002VMMR3DECL(int) VMMR3Lock(PVM pVM)
1003{
1004 return RTCritSectEnter(&pVM->vmm.s.CritSectVMLock);
1005}
1006
1007
1008/**
1009 * Release global VM lock.
1010 *
1011 * @returns VBox status code
1012 * @param pVM The VM to operate on.
1013 *
1014 * @remarks The global VMM lock isn't really used for anything any longer.
1015 */
1016VMMR3DECL(int) VMMR3Unlock(PVM pVM)
1017{
1018 return RTCritSectLeave(&pVM->vmm.s.CritSectVMLock);
1019}
1020
1021
1022/**
1023 * Return global VM lock owner.
1024 *
1025 * @returns Thread id of owner.
1026 * @returns NIL_RTTHREAD if no owner.
1027 * @param pVM The VM to operate on.
1028 *
1029 * @remarks The global VMM lock isn't really used for anything any longer.
1030 */
1031VMMR3DECL(RTNATIVETHREAD) VMMR3LockGetOwner(PVM pVM)
1032{
1033 return RTCritSectGetOwner(&pVM->vmm.s.CritSectVMLock);
1034}
1035
1036
1037/**
1038 * Checks if the current thread is the owner of the global VM lock.
1039 *
1040 * @returns true if owner.
1041 * @returns false if not owner.
1042 * @param pVM The VM to operate on.
1043 *
1044 * @remarks The global VMM lock isn't really used for anything any longer.
1045 */
1046VMMR3DECL(bool) VMMR3LockIsOwner(PVM pVM)
1047{
1048 return RTCritSectIsOwner(&pVM->vmm.s.CritSectVMLock);
1049}
1050
1051
1052/**
1053 * Executes guest code in the raw-mode context.
1054 *
1055 * @param pVM VM handle.
1056 */
1057VMMR3DECL(int) VMMR3RawRunGC(PVM pVM)
1058{
1059 Log2(("VMMR3RawRunGC: (cs:eip=%04x:%08x)\n", CPUMGetGuestCS(pVM), CPUMGetGuestEIP(pVM)));
1060
1061 /*
1062 * Set the EIP and ESP.
1063 */
1064 CPUMSetHyperEIP(pVM, CPUMGetGuestEFlags(pVM) & X86_EFL_VM
1065 ? pVM->vmm.s.pfnCPUMRCResumeGuestV86
1066 : pVM->vmm.s.pfnCPUMRCResumeGuest);
1067 CPUMSetHyperESP(pVM, pVM->vmm.s.pbEMTStackBottomRC);
1068
1069 /*
1070 * We hide log flushes (outer) and hypervisor interrupts (inner).
1071 */
1072 for (;;)
1073 {
1074 Assert(CPUMGetHyperCR3(pVM) && CPUMGetHyperCR3(pVM) == PGMGetHyperCR3(pVM));
1075 int rc;
1076 do
1077 {
1078#ifdef NO_SUPCALLR0VMM
1079 rc = VERR_GENERAL_FAILURE;
1080#else
1081 rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0);
1082 if (RT_LIKELY(rc == VINF_SUCCESS))
1083 rc = pVM->vmm.s.iLastGZRc;
1084#endif
1085 } while (rc == VINF_EM_RAW_INTERRUPT_HYPER);
1086
1087 /*
1088 * Flush the logs.
1089 */
1090#ifdef LOG_ENABLED
1091 PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3;
1092 if ( pLogger
1093 && pLogger->offScratch > 0)
1094 RTLogFlushRC(NULL, pLogger);
1095#endif
1096#ifdef VBOX_WITH_RC_RELEASE_LOGGING
1097 PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3;
1098 if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0))
1099 RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger);
1100#endif
1101 if (rc != VINF_VMM_CALL_HOST)
1102 {
1103 Log2(("VMMR3RawRunGC: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVM), CPUMGetGuestEIP(pVM)));
1104 return rc;
1105 }
1106 rc = vmmR3ServiceCallHostRequest(pVM);
1107 if (RT_FAILURE(rc))
1108 return rc;
1109 /* Resume GC */
1110 }
1111}
1112
1113
1114/**
1115 * Executes guest code (Intel VT-x and AMD-V).
1116 *
1117 * @param pVM VM handle.
1118 * @param idCpu VMCPU id.
1119 */
1120VMMR3DECL(int) VMMR3HwAccRunGC(PVM pVM, RTCPUID idCpu)
1121{
1122 Log2(("VMMR3HwAccRunGC: (cs:eip=%04x:%08x)\n", CPUMGetGuestCS(pVM), CPUMGetGuestEIP(pVM)));
1123
1124 for (;;)
1125 {
1126 int rc;
1127 do
1128 {
1129#ifdef NO_SUPCALLR0VMM
1130 rc = VERR_GENERAL_FAILURE;
1131#else
1132 rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_HWACC_RUN, idCpu);
1133 if (RT_LIKELY(rc == VINF_SUCCESS))
1134 rc = pVM->vmm.s.iLastGZRc;
1135#endif
1136 } while (rc == VINF_EM_RAW_INTERRUPT_HYPER);
1137
1138#ifdef LOG_ENABLED
1139 /*
1140 * Flush the log
1141 */
1142 PVMMR0LOGGER pR0LoggerR3 = pVM->vmm.s.pR0LoggerR3;
1143 if ( pR0LoggerR3
1144 && pR0LoggerR3->Logger.offScratch > 0)
1145 RTLogFlushToLogger(&pR0LoggerR3->Logger, NULL);
1146#endif /* !LOG_ENABLED */
1147 if (rc != VINF_VMM_CALL_HOST)
1148 {
1149 Log2(("VMMR3HwAccRunGC: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVM), CPUMGetGuestEIP(pVM)));
1150 return rc;
1151 }
1152 rc = vmmR3ServiceCallHostRequest(pVM);
1153 if (RT_FAILURE(rc))
1154 return rc;
1155 /* Resume R0 */
1156 }
1157}
1158
1159
1160/**
1161 * Calls a RC function.
1162 *
1163 * @param pVM The VM handle.
1164 * @param RCPtrEntry The address of the RC function.
1165 * @param cArgs The number of arguments in the ....
1166 * @param ... Arguments to the function.
1167 */
1168VMMR3DECL(int) VMMR3CallRC(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, ...)
1169{
1170 va_list args;
1171 va_start(args, cArgs);
1172 int rc = VMMR3CallRCV(pVM, RCPtrEntry, cArgs, args);
1173 va_end(args);
1174 return rc;
1175}
1176
1177
1178/**
1179 * Calls a RC function.
1180 *
1181 * @param pVM The VM handle.
1182 * @param RCPtrEntry The address of the RC function.
1183 * @param cArgs The number of arguments in the ....
1184 * @param args Arguments to the function.
1185 */
1186VMMR3DECL(int) VMMR3CallRCV(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, va_list args)
1187{
1188 Log2(("VMMR3CallGCV: RCPtrEntry=%RRv cArgs=%d\n", RCPtrEntry, cArgs));
1189
1190 /*
1191 * Setup the call frame using the trampoline.
1192 */
1193 CPUMHyperSetCtxCore(pVM, NULL);
1194 memset(pVM->vmm.s.pbEMTStackR3, 0xaa, VMM_STACK_SIZE); /* Clear the stack. */
1195 CPUMSetHyperESP(pVM, pVM->vmm.s.pbEMTStackBottomRC - cArgs * sizeof(RTGCUINTPTR32));
1196 PRTGCUINTPTR32 pFrame = (PRTGCUINTPTR32)(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE) - cArgs;
1197 int i = cArgs;
1198 while (i-- > 0)
1199 *pFrame++ = va_arg(args, RTGCUINTPTR32);
1200
1201 CPUMPushHyper(pVM, cArgs * sizeof(RTGCUINTPTR32)); /* stack frame size */
1202 CPUMPushHyper(pVM, RCPtrEntry); /* what to call */
1203 CPUMSetHyperEIP(pVM, pVM->vmm.s.pfnCallTrampolineRC);
1204
1205 /*
1206 * We hide log flushes (outer) and hypervisor interrupts (inner).
1207 */
1208 for (;;)
1209 {
1210 int rc;
1211 Assert(CPUMGetHyperCR3(pVM) && CPUMGetHyperCR3(pVM) == PGMGetHyperCR3(pVM));
1212 do
1213 {
1214#ifdef NO_SUPCALLR0VMM
1215 rc = VERR_GENERAL_FAILURE;
1216#else
1217 rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0);
1218 if (RT_LIKELY(rc == VINF_SUCCESS))
1219 rc = pVM->vmm.s.iLastGZRc;
1220#endif
1221 } while (rc == VINF_EM_RAW_INTERRUPT_HYPER);
1222
1223 /*
1224 * Flush the logs.
1225 */
1226#ifdef LOG_ENABLED
1227 PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3;
1228 if ( pLogger
1229 && pLogger->offScratch > 0)
1230 RTLogFlushRC(NULL, pLogger);
1231#endif
1232#ifdef VBOX_WITH_RC_RELEASE_LOGGING
1233 PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3;
1234 if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0))
1235 RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger);
1236#endif
1237 if (rc == VERR_TRPM_PANIC || rc == VERR_TRPM_DONT_PANIC)
1238 VMMR3FatalDump(pVM, rc);
1239 if (rc != VINF_VMM_CALL_HOST)
1240 {
1241 Log2(("VMMR3CallGCV: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVM), CPUMGetGuestEIP(pVM)));
1242 return rc;
1243 }
1244 rc = vmmR3ServiceCallHostRequest(pVM);
1245 if (RT_FAILURE(rc))
1246 return rc;
1247 }
1248}
1249
1250
1251/**
1252 * Resumes executing hypervisor code when interrupted by a queue flush or a
1253 * debug event.
1254 *
1255 * @returns VBox status code.
1256 * @param pVM VM handle.
1257 */
1258VMMR3DECL(int) VMMR3ResumeHyper(PVM pVM)
1259{
1260 Log(("VMMR3ResumeHyper: eip=%RRv esp=%RRv\n", CPUMGetHyperEIP(pVM), CPUMGetHyperESP(pVM)));
1261
1262 /*
1263 * We hide log flushes (outer) and hypervisor interrupts (inner).
1264 */
1265 for (;;)
1266 {
1267 int rc;
1268 Assert(CPUMGetHyperCR3(pVM) && CPUMGetHyperCR3(pVM) == PGMGetHyperCR3(pVM));
1269 do
1270 {
1271#ifdef NO_SUPCALLR0VMM
1272 rc = VERR_GENERAL_FAILURE;
1273#else
1274 rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0);
1275 if (RT_LIKELY(rc == VINF_SUCCESS))
1276 rc = pVM->vmm.s.iLastGZRc;
1277#endif
1278 } while (rc == VINF_EM_RAW_INTERRUPT_HYPER);
1279
1280 /*
1281 * Flush the loggers,
1282 */
1283#ifdef LOG_ENABLED
1284 PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3;
1285 if ( pLogger
1286 && pLogger->offScratch > 0)
1287 RTLogFlushRC(NULL, pLogger);
1288#endif
1289#ifdef VBOX_WITH_RC_RELEASE_LOGGING
1290 PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3;
1291 if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0))
1292 RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger);
1293#endif
1294 if (rc == VERR_TRPM_PANIC || rc == VERR_TRPM_DONT_PANIC)
1295 VMMR3FatalDump(pVM, rc);
1296 if (rc != VINF_VMM_CALL_HOST)
1297 {
1298 Log(("VMMR3ResumeHyper: returns %Rrc\n", rc));
1299 return rc;
1300 }
1301 rc = vmmR3ServiceCallHostRequest(pVM);
1302 if (RT_FAILURE(rc))
1303 return rc;
1304 }
1305}
1306
1307
1308/**
1309 * Service a call to the ring-3 host code.
1310 *
1311 * @returns VBox status code.
1312 * @param pVM VM handle.
1313 * @remark Careful with critsects.
1314 */
1315static int vmmR3ServiceCallHostRequest(PVM pVM)
1316{
1317 switch (pVM->vmm.s.enmCallHostOperation)
1318 {
1319 /*
1320 * Acquire the PDM lock.
1321 */
1322 case VMMCALLHOST_PDM_LOCK:
1323 {
1324 pVM->vmm.s.rcCallHost = PDMR3LockCall(pVM);
1325 break;
1326 }
1327
1328 /*
1329 * Flush a PDM queue.
1330 */
1331 case VMMCALLHOST_PDM_QUEUE_FLUSH:
1332 {
1333 PDMR3QueueFlushWorker(pVM, NULL);
1334 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1335 break;
1336 }
1337
1338 /*
1339 * Grow the PGM pool.
1340 */
1341 case VMMCALLHOST_PGM_POOL_GROW:
1342 {
1343 pVM->vmm.s.rcCallHost = PGMR3PoolGrow(pVM);
1344 break;
1345 }
1346
1347 /*
1348 * Maps an page allocation chunk into ring-3 so ring-0 can use it.
1349 */
1350 case VMMCALLHOST_PGM_MAP_CHUNK:
1351 {
1352 pVM->vmm.s.rcCallHost = PGMR3PhysChunkMap(pVM, pVM->vmm.s.u64CallHostArg);
1353 break;
1354 }
1355
1356 /*
1357 * Allocates more handy pages.
1358 */
1359 case VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES:
1360 {
1361 pVM->vmm.s.rcCallHost = PGMR3PhysAllocateHandyPages(pVM);
1362 break;
1363 }
1364#ifndef VBOX_WITH_NEW_PHYS_CODE
1365
1366 case VMMCALLHOST_PGM_RAM_GROW_RANGE:
1367 {
1368 const RTGCPHYS GCPhys = pVM->vmm.s.u64CallHostArg;
1369 pVM->vmm.s.rcCallHost = PGM3PhysGrowRange(pVM, &GCPhys);
1370 break;
1371 }
1372#endif
1373
1374 /*
1375 * Acquire the PGM lock.
1376 */
1377 case VMMCALLHOST_PGM_LOCK:
1378 {
1379 pVM->vmm.s.rcCallHost = PGMR3LockCall(pVM);
1380 break;
1381 }
1382
1383 /*
1384 * Flush REM handler notifications.
1385 */
1386 case VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS:
1387 {
1388 REMR3ReplayHandlerNotifications(pVM);
1389 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1390 break;
1391 }
1392
1393 /*
1394 * This is a noop. We just take this route to avoid unnecessary
1395 * tests in the loops.
1396 */
1397 case VMMCALLHOST_VMM_LOGGER_FLUSH:
1398 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1399 LogAlways(("*FLUSH*\n"));
1400 break;
1401
1402 /*
1403 * Set the VM error message.
1404 */
1405 case VMMCALLHOST_VM_SET_ERROR:
1406 VMR3SetErrorWorker(pVM);
1407 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1408 break;
1409
1410 /*
1411 * Set the VM runtime error message.
1412 */
1413 case VMMCALLHOST_VM_SET_RUNTIME_ERROR:
1414 VMR3SetRuntimeErrorWorker(pVM);
1415 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1416 break;
1417
1418 /*
1419 * Signal a ring 0 hypervisor assertion.
1420 * Cancel the longjmp operation that's in progress.
1421 */
1422 case VMMCALLHOST_VM_R0_ASSERTION:
1423 pVM->vmm.s.enmCallHostOperation = VMMCALLHOST_INVALID;
1424 pVM->vmm.s.CallHostR0JmpBuf.fInRing3Call = false;
1425#ifdef RT_ARCH_X86
1426 pVM->vmm.s.CallHostR0JmpBuf.eip = 0;
1427#else
1428 pVM->vmm.s.CallHostR0JmpBuf.rip = 0;
1429#endif
1430 LogRel((pVM->vmm.s.szRing0AssertMsg1));
1431 LogRel((pVM->vmm.s.szRing0AssertMsg2));
1432 return VERR_VMM_RING0_ASSERTION;
1433
1434 /*
1435 * A forced switch to ring 0 for preemption purposes.
1436 */
1437 case VMMCALLHOST_VM_R0_PREEMPT:
1438 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1439 break;
1440
1441 default:
1442 AssertMsgFailed(("enmCallHostOperation=%d\n", pVM->vmm.s.enmCallHostOperation));
1443 return VERR_INTERNAL_ERROR;
1444 }
1445
1446 pVM->vmm.s.enmCallHostOperation = VMMCALLHOST_INVALID;
1447 return VINF_SUCCESS;
1448}
1449
1450
1451/**
1452 * Displays the Force action Flags.
1453 *
1454 * @param pVM The VM handle.
1455 * @param pHlp The output helpers.
1456 * @param pszArgs The additional arguments (ignored).
1457 */
1458static DECLCALLBACK(void) vmmR3InfoFF(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1459{
1460 const uint32_t fForcedActions = pVM->fForcedActions;
1461
1462 pHlp->pfnPrintf(pHlp, "Forced action Flags: %#RX32", fForcedActions);
1463
1464 /* show the flag mnemonics */
1465 int c = 0;
1466 uint32_t f = fForcedActions;
1467#define PRINT_FLAG(flag) do { \
1468 if (f & (flag)) \
1469 { \
1470 static const char *s_psz = #flag; \
1471 if (!(c % 6)) \
1472 pHlp->pfnPrintf(pHlp, "%s\n %s", c ? "," : "", s_psz + 6); \
1473 else \
1474 pHlp->pfnPrintf(pHlp, ", %s", s_psz + 6); \
1475 c++; \
1476 f &= ~(flag); \
1477 } \
1478 } while (0)
1479 PRINT_FLAG(VM_FF_INTERRUPT_APIC);
1480 PRINT_FLAG(VM_FF_INTERRUPT_PIC);
1481 PRINT_FLAG(VM_FF_TIMER);
1482 PRINT_FLAG(VM_FF_PDM_QUEUES);
1483 PRINT_FLAG(VM_FF_PDM_DMA);
1484 PRINT_FLAG(VM_FF_PDM_CRITSECT);
1485 PRINT_FLAG(VM_FF_DBGF);
1486 PRINT_FLAG(VM_FF_REQUEST);
1487 PRINT_FLAG(VM_FF_TERMINATE);
1488 PRINT_FLAG(VM_FF_RESET);
1489 PRINT_FLAG(VM_FF_PGM_SYNC_CR3);
1490 PRINT_FLAG(VM_FF_PGM_SYNC_CR3_NON_GLOBAL);
1491 PRINT_FLAG(VM_FF_TRPM_SYNC_IDT);
1492 PRINT_FLAG(VM_FF_SELM_SYNC_TSS);
1493 PRINT_FLAG(VM_FF_SELM_SYNC_GDT);
1494 PRINT_FLAG(VM_FF_SELM_SYNC_LDT);
1495 PRINT_FLAG(VM_FF_INHIBIT_INTERRUPTS);
1496 PRINT_FLAG(VM_FF_CSAM_SCAN_PAGE);
1497 PRINT_FLAG(VM_FF_CSAM_PENDING_ACTION);
1498 PRINT_FLAG(VM_FF_TO_R3);
1499 PRINT_FLAG(VM_FF_DEBUG_SUSPEND);
1500 if (f)
1501 pHlp->pfnPrintf(pHlp, "%s\n Unknown bits: %#RX32\n", c ? "," : "", f);
1502 else
1503 pHlp->pfnPrintf(pHlp, "\n");
1504#undef PRINT_FLAG
1505
1506 /* the groups */
1507 c = 0;
1508#define PRINT_GROUP(grp) do { \
1509 if (fForcedActions & (grp)) \
1510 { \
1511 static const char *s_psz = #grp; \
1512 if (!(c % 5)) \
1513 pHlp->pfnPrintf(pHlp, "%s %s", c ? ",\n" : "Groups:\n", s_psz + 6); \
1514 else \
1515 pHlp->pfnPrintf(pHlp, ", %s", s_psz + 6); \
1516 c++; \
1517 } \
1518 } while (0)
1519 PRINT_GROUP(VM_FF_EXTERNAL_SUSPENDED_MASK);
1520 PRINT_GROUP(VM_FF_EXTERNAL_HALTED_MASK);
1521 PRINT_GROUP(VM_FF_HIGH_PRIORITY_PRE_MASK);
1522 PRINT_GROUP(VM_FF_HIGH_PRIORITY_PRE_RAW_MASK);
1523 PRINT_GROUP(VM_FF_HIGH_PRIORITY_POST_MASK);
1524 PRINT_GROUP(VM_FF_NORMAL_PRIORITY_POST_MASK);
1525 PRINT_GROUP(VM_FF_NORMAL_PRIORITY_MASK);
1526 PRINT_GROUP(VM_FF_RESUME_GUEST_MASK);
1527 PRINT_GROUP(VM_FF_ALL_BUT_RAW_MASK);
1528 if (c)
1529 pHlp->pfnPrintf(pHlp, "\n");
1530#undef PRINT_GROUP
1531}
1532
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