VirtualBox

source: vbox/trunk/src/VBox/VMM/VMM.cpp@ 19015

Last change on this file since 19015 was 18927, checked in by vboxsync, 16 years ago

Big step to separate VMM data structures for guest SMP. (pgm, em)
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File size: 54.7 KB
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1/* $Id: VMM.cpp 18927 2009-04-16 11:41:38Z 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: One 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 for (unsigned i=0;i<pVM->cCPUs;i++)
244 {
245 PVMCPU pVCpu = &pVM->aCpus[i];
246 CPUMSetHyperESP(pVCpu, pVM->vmm.s.pbEMTStackBottomRC);
247 }
248 }
249
250 return rc;
251}
252
253
254/**
255 * Initialize the loggers.
256 *
257 * @returns VBox status code.
258 * @param pVM Pointer to the shared VM structure.
259 */
260static int vmmR3InitLoggers(PVM pVM)
261{
262 int rc;
263
264 /*
265 * Allocate RC & R0 Logger instances (they are finalized in the relocator).
266 */
267#ifdef LOG_ENABLED
268 PRTLOGGER pLogger = RTLogDefaultInstance();
269 if (pLogger)
270 {
271 pVM->vmm.s.cbRCLogger = RT_OFFSETOF(RTLOGGERRC, afGroups[pLogger->cGroups]);
272 rc = MMR3HyperAllocOnceNoRel(pVM, pVM->vmm.s.cbRCLogger, 0, MM_TAG_VMM, (void **)&pVM->vmm.s.pRCLoggerR3);
273 if (RT_FAILURE(rc))
274 return rc;
275 pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3);
276
277# ifdef VBOX_WITH_R0_LOGGING
278 rc = MMR3HyperAllocOnceNoRel(pVM, RT_OFFSETOF(VMMR0LOGGER, Logger.afGroups[pLogger->cGroups]),
279 0, MM_TAG_VMM, (void **)&pVM->vmm.s.pR0LoggerR3);
280 if (RT_FAILURE(rc))
281 return rc;
282 pVM->vmm.s.pR0LoggerR3->pVM = pVM->pVMR0;
283 //pVM->vmm.s.pR0LoggerR3->fCreated = false;
284 pVM->vmm.s.pR0LoggerR3->cbLogger = RT_OFFSETOF(RTLOGGER, afGroups[pLogger->cGroups]);
285 pVM->vmm.s.pR0LoggerR0 = MMHyperR3ToR0(pVM, pVM->vmm.s.pR0LoggerR3);
286# endif
287 }
288#endif /* LOG_ENABLED */
289
290#ifdef VBOX_WITH_RC_RELEASE_LOGGING
291 /*
292 * Allocate RC release logger instances (finalized in the relocator).
293 */
294 PRTLOGGER pRelLogger = RTLogRelDefaultInstance();
295 if (pRelLogger)
296 {
297 pVM->vmm.s.cbRCRelLogger = RT_OFFSETOF(RTLOGGERRC, afGroups[pRelLogger->cGroups]);
298 rc = MMR3HyperAllocOnceNoRel(pVM, pVM->vmm.s.cbRCRelLogger, 0, MM_TAG_VMM, (void **)&pVM->vmm.s.pRCRelLoggerR3);
299 if (RT_FAILURE(rc))
300 return rc;
301 pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3);
302 }
303#endif /* VBOX_WITH_RC_RELEASE_LOGGING */
304 return VINF_SUCCESS;
305}
306
307
308/**
309 * VMMR3Init worker that register the statistics with STAM.
310 *
311 * @param pVM The shared VM structure.
312 */
313static void vmmR3InitRegisterStats(PVM pVM)
314{
315 /*
316 * Statistics.
317 */
318 STAM_REG(pVM, &pVM->vmm.s.StatRunRC, STAMTYPE_COUNTER, "/VMM/RunRC", STAMUNIT_OCCURENCES, "Number of context switches.");
319 STAM_REG(pVM, &pVM->vmm.s.StatRZRetNormal, STAMTYPE_COUNTER, "/VMM/RZRet/Normal", STAMUNIT_OCCURENCES, "Number of VINF_SUCCESS returns.");
320 STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterrupt, STAMTYPE_COUNTER, "/VMM/RZRet/Interrupt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT returns.");
321 STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterruptHyper, STAMTYPE_COUNTER, "/VMM/RZRet/InterruptHyper", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT_HYPER returns.");
322 STAM_REG(pVM, &pVM->vmm.s.StatRZRetGuestTrap, STAMTYPE_COUNTER, "/VMM/RZRet/GuestTrap", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_GUEST_TRAP returns.");
323 STAM_REG(pVM, &pVM->vmm.s.StatRZRetRingSwitch, STAMTYPE_COUNTER, "/VMM/RZRet/RingSwitch", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_RING_SWITCH returns.");
324 STAM_REG(pVM, &pVM->vmm.s.StatRZRetRingSwitchInt, STAMTYPE_COUNTER, "/VMM/RZRet/RingSwitchInt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_RING_SWITCH_INT returns.");
325 STAM_REG(pVM, &pVM->vmm.s.StatRZRetExceptionPrivilege, STAMTYPE_COUNTER, "/VMM/RZRet/ExceptionPrivilege", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_EXCEPTION_PRIVILEGED returns.");
326 STAM_REG(pVM, &pVM->vmm.s.StatRZRetStaleSelector, STAMTYPE_COUNTER, "/VMM/RZRet/StaleSelector", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_STALE_SELECTOR returns.");
327 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIRETTrap, STAMTYPE_COUNTER, "/VMM/RZRet/IRETTrap", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_IRET_TRAP returns.");
328 STAM_REG(pVM, &pVM->vmm.s.StatRZRetEmulate, STAMTYPE_COUNTER, "/VMM/RZRet/Emulate", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION returns.");
329 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIOBlockEmulate, STAMTYPE_COUNTER, "/VMM/RZRet/EmulateIOBlock", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_EMULATE_IO_BLOCK returns.");
330 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchEmulate, STAMTYPE_COUNTER, "/VMM/RZRet/PatchEmulate", STAMUNIT_OCCURENCES, "Number of VINF_PATCH_EMULATE_INSTR returns.");
331 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIORead, STAMTYPE_COUNTER, "/VMM/RZRet/IORead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_IOPORT_READ returns.");
332 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIOWrite, STAMTYPE_COUNTER, "/VMM/RZRet/IOWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_IOPORT_WRITE returns.");
333 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIORead, STAMTYPE_COUNTER, "/VMM/RZRet/MMIORead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_READ returns.");
334 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_WRITE returns.");
335 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOReadWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOReadWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_READ_WRITE returns.");
336 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOPatchRead, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOPatchRead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_PATCH_READ returns.");
337 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOPatchWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOPatchWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_PATCH_WRITE returns.");
338 STAM_REG(pVM, &pVM->vmm.s.StatRZRetLDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/LDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_GDT_FAULT returns.");
339 STAM_REG(pVM, &pVM->vmm.s.StatRZRetGDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/GDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_LDT_FAULT returns.");
340 STAM_REG(pVM, &pVM->vmm.s.StatRZRetIDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/IDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_IDT_FAULT returns.");
341 STAM_REG(pVM, &pVM->vmm.s.StatRZRetTSSFault, STAMTYPE_COUNTER, "/VMM/RZRet/TSSFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_TSS_FAULT returns.");
342 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPDFault, STAMTYPE_COUNTER, "/VMM/RZRet/PDFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_PD_FAULT returns.");
343 STAM_REG(pVM, &pVM->vmm.s.StatRZRetCSAMTask, STAMTYPE_COUNTER, "/VMM/RZRet/CSAMTask", STAMUNIT_OCCURENCES, "Number of VINF_CSAM_PENDING_ACTION returns.");
344 STAM_REG(pVM, &pVM->vmm.s.StatRZRetSyncCR3, STAMTYPE_COUNTER, "/VMM/RZRet/SyncCR", STAMUNIT_OCCURENCES, "Number of VINF_PGM_SYNC_CR3 returns.");
345 STAM_REG(pVM, &pVM->vmm.s.StatRZRetMisc, STAMTYPE_COUNTER, "/VMM/RZRet/Misc", STAMUNIT_OCCURENCES, "Number of misc returns.");
346 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchInt3, STAMTYPE_COUNTER, "/VMM/RZRet/PatchInt3", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_INT3 returns.");
347 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchPF, STAMTYPE_COUNTER, "/VMM/RZRet/PatchPF", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_TRAP_PF returns.");
348 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchGP, STAMTYPE_COUNTER, "/VMM/RZRet/PatchGP", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_TRAP_GP returns.");
349 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchIretIRQ, STAMTYPE_COUNTER, "/VMM/RZRet/PatchIret", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PENDING_IRQ_AFTER_IRET returns.");
350 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPageOverflow, STAMTYPE_COUNTER, "/VMM/RZRet/InvlpgOverflow", STAMUNIT_OCCURENCES, "Number of VERR_REM_FLUSHED_PAGES_OVERFLOW returns.");
351 STAM_REG(pVM, &pVM->vmm.s.StatRZRetRescheduleREM, STAMTYPE_COUNTER, "/VMM/RZRet/ScheduleREM", STAMUNIT_OCCURENCES, "Number of VINF_EM_RESCHEDULE_REM returns.");
352 STAM_REG(pVM, &pVM->vmm.s.StatRZRetToR3, STAMTYPE_COUNTER, "/VMM/RZRet/ToR3", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_TO_R3 returns.");
353 STAM_REG(pVM, &pVM->vmm.s.StatRZRetTimerPending, STAMTYPE_COUNTER, "/VMM/RZRet/TimerPending", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_TIMER_PENDING returns.");
354 STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterruptPending, STAMTYPE_COUNTER, "/VMM/RZRet/InterruptPending", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT_PENDING returns.");
355 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPATMDuplicateFn, STAMTYPE_COUNTER, "/VMM/RZRet/PATMDuplicateFn", STAMUNIT_OCCURENCES, "Number of VINF_PATM_DUPLICATE_FUNCTION returns.");
356 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPGMChangeMode, STAMTYPE_COUNTER, "/VMM/RZRet/PGMChangeMode", STAMUNIT_OCCURENCES, "Number of VINF_PGM_CHANGE_MODE returns.");
357 STAM_REG(pVM, &pVM->vmm.s.StatRZRetEmulHlt, STAMTYPE_COUNTER, "/VMM/RZRet/EmulHlt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_EMULATE_INSTR_HLT returns.");
358 STAM_REG(pVM, &pVM->vmm.s.StatRZRetPendingRequest, STAMTYPE_COUNTER, "/VMM/RZRet/PendingRequest", STAMUNIT_OCCURENCES, "Number of VINF_EM_PENDING_REQUEST returns.");
359
360 STAM_REG(pVM, &pVM->vmm.s.StatRZRetCallHost, STAMTYPE_COUNTER, "/VMM/RZCallR3/Misc", STAMUNIT_OCCURENCES, "Number of Other ring-3 calls.");
361 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPDMLock, STAMTYPE_COUNTER, "/VMM/RZCallR3/PDMLock", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PDM_LOCK calls.");
362 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPDMQueueFlush, STAMTYPE_COUNTER, "/VMM/RZCallR3/PDMQueueFlush", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PDM_QUEUE_FLUSH calls.");
363 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMLock, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMLock", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_LOCK calls.");
364 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMPoolGrow, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMPoolGrow", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_POOL_GROW calls.");
365 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMMapChunk, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMMapChunk", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_MAP_CHUNK calls.");
366 STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMAllocHandy, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMAllocHandy", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES calls.");
367 STAM_REG(pVM, &pVM->vmm.s.StatRZCallRemReplay, STAMTYPE_COUNTER, "/VMM/RZCallR3/REMReplay", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS calls.");
368 STAM_REG(pVM, &pVM->vmm.s.StatRZCallLogFlush, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMMLogFlush", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VMM_LOGGER_FLUSH calls.");
369 STAM_REG(pVM, &pVM->vmm.s.StatRZCallVMSetError, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMSetError", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VM_SET_ERROR calls.");
370 STAM_REG(pVM, &pVM->vmm.s.StatRZCallVMSetRuntimeError, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMRuntimeError", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VM_SET_RUNTIME_ERROR calls.");
371}
372
373
374/**
375 * Initializes the per-VCPU VMM.
376 *
377 * @returns VBox status code.
378 * @param pVM The VM to operate on.
379 */
380VMMR3DECL(int) VMMR3InitCPU(PVM pVM)
381{
382 LogFlow(("VMMR3InitCPU\n"));
383 return VINF_SUCCESS;
384}
385
386
387/**
388 * Ring-3 init finalizing.
389 *
390 * @returns VBox status code.
391 * @param pVM The VM handle.
392 */
393VMMR3DECL(int) VMMR3InitFinalize(PVM pVM)
394{
395#ifdef VBOX_STRICT_VMM_STACK
396 /*
397 * Two inaccessible pages at each sides of the stack to catch over/under-flows.
398 */
399 memset(pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE, 0xcc, PAGE_SIZE);
400 PGMMapSetPage(pVM, MMHyperR3ToRC(pVM, pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE), PAGE_SIZE, 0);
401 RTMemProtect(pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE, PAGE_SIZE, RTMEM_PROT_NONE);
402
403 memset(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, 0xcc, PAGE_SIZE);
404 PGMMapSetPage(pVM, MMHyperR3ToRC(pVM, pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE), PAGE_SIZE, 0);
405 RTMemProtect(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, PAGE_SIZE, RTMEM_PROT_NONE);
406#endif
407
408 /*
409 * Set page attributes to r/w for stack pages.
410 */
411 int rc = PGMMapSetPage(pVM, pVM->vmm.s.pbEMTStackRC, VMM_STACK_SIZE, X86_PTE_P | X86_PTE_A | X86_PTE_D | X86_PTE_RW);
412 AssertRC(rc);
413 if (RT_SUCCESS(rc))
414 {
415 /*
416 * Create the EMT yield timer.
417 */
418 rc = TMR3TimerCreateInternal(pVM, TMCLOCK_REAL, vmmR3YieldEMT, NULL, "EMT Yielder", &pVM->vmm.s.pYieldTimer);
419 if (RT_SUCCESS(rc))
420 rc = TMTimerSetMillies(pVM->vmm.s.pYieldTimer, pVM->vmm.s.cYieldEveryMillies);
421 }
422
423#ifdef VBOX_WITH_NMI
424 /*
425 * Map the host APIC into GC - This is AMD/Intel + Host OS specific!
426 */
427 if (RT_SUCCESS(rc))
428 rc = PGMMap(pVM, pVM->vmm.s.GCPtrApicBase, 0xfee00000, PAGE_SIZE,
429 X86_PTE_P | X86_PTE_RW | X86_PTE_PWT | X86_PTE_PCD | X86_PTE_A | X86_PTE_D);
430#endif
431 return rc;
432}
433
434
435/**
436 * Initializes the R0 VMM.
437 *
438 * @returns VBox status code.
439 * @param pVM The VM to operate on.
440 */
441VMMR3DECL(int) VMMR3InitR0(PVM pVM)
442{
443 int rc;
444
445 /*
446 * Initialize the ring-0 logger if we haven't done so yet.
447 */
448 if ( pVM->vmm.s.pR0LoggerR3
449 && !pVM->vmm.s.pR0LoggerR3->fCreated)
450 {
451 rc = VMMR3UpdateLoggers(pVM);
452 if (RT_FAILURE(rc))
453 return rc;
454 }
455
456 /*
457 * Call Ring-0 entry with init code.
458 */
459 for (;;)
460 {
461#ifdef NO_SUPCALLR0VMM
462 //rc = VERR_GENERAL_FAILURE;
463 rc = VINF_SUCCESS;
464#else
465 rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_VMMR0_INIT, VMMGetSvnRev(), NULL);
466#endif
467 if ( pVM->vmm.s.pR0LoggerR3
468 && pVM->vmm.s.pR0LoggerR3->Logger.offScratch > 0)
469 RTLogFlushToLogger(&pVM->vmm.s.pR0LoggerR3->Logger, NULL);
470 if (rc != VINF_VMM_CALL_HOST)
471 break;
472 rc = vmmR3ServiceCallHostRequest(pVM);
473 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
474 break;
475 /* Resume R0 */
476 }
477
478 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
479 {
480 LogRel(("R0 init failed, rc=%Rra\n", rc));
481 if (RT_SUCCESS(rc))
482 rc = VERR_INTERNAL_ERROR;
483 }
484 return rc;
485}
486
487
488/**
489 * Initializes the RC VMM.
490 *
491 * @returns VBox status code.
492 * @param pVM The VM to operate on.
493 */
494VMMR3DECL(int) VMMR3InitRC(PVM pVM)
495{
496 PVMCPU pVCpu = VMMGetCpu(pVM);
497 Assert(pVCpu);
498
499 /* In VMX mode, there's no need to init RC. */
500 if (pVM->vmm.s.fSwitcherDisabled)
501 return VINF_SUCCESS;
502
503 AssertReturn(pVM->cCPUs == 1, VERR_RAW_MODE_INVALID_SMP);
504
505 /*
506 * Call VMMGCInit():
507 * -# resolve the address.
508 * -# setup stackframe and EIP to use the trampoline.
509 * -# do a generic hypervisor call.
510 */
511 RTRCPTR RCPtrEP;
512 int rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "VMMGCEntry", &RCPtrEP);
513 if (RT_SUCCESS(rc))
514 {
515 CPUMHyperSetCtxCore(pVCpu, NULL);
516 CPUMSetHyperESP(pVCpu, pVM->vmm.s.pbEMTStackBottomRC); /* Clear the stack. */
517 uint64_t u64TS = RTTimeProgramStartNanoTS();
518 CPUMPushHyper(pVCpu, (uint32_t)(u64TS >> 32)); /* Param 3: The program startup TS - Hi. */
519 CPUMPushHyper(pVCpu, (uint32_t)u64TS); /* Param 3: The program startup TS - Lo. */
520 CPUMPushHyper(pVCpu, VMMGetSvnRev()); /* Param 2: Version argument. */
521 CPUMPushHyper(pVCpu, VMMGC_DO_VMMGC_INIT); /* Param 1: Operation. */
522 CPUMPushHyper(pVCpu, pVM->pVMRC); /* Param 0: pVM */
523 CPUMPushHyper(pVCpu, 5 * sizeof(RTRCPTR)); /* trampoline param: stacksize. */
524 CPUMPushHyper(pVCpu, RCPtrEP); /* Call EIP. */
525 CPUMSetHyperEIP(pVCpu, pVM->vmm.s.pfnCallTrampolineRC);
526 Assert(CPUMGetHyperCR3(pVCpu) && CPUMGetHyperCR3(pVCpu) == PGMGetHyperCR3(pVCpu));
527
528 for (;;)
529 {
530#ifdef NO_SUPCALLR0VMM
531 //rc = VERR_GENERAL_FAILURE;
532 rc = VINF_SUCCESS;
533#else
534 rc = SUPCallVMMR0(pVM->pVMR0, VMMR0_DO_CALL_HYPERVISOR, NULL);
535#endif
536#ifdef LOG_ENABLED
537 PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3;
538 if ( pLogger
539 && pLogger->offScratch > 0)
540 RTLogFlushRC(NULL, pLogger);
541#endif
542#ifdef VBOX_WITH_RC_RELEASE_LOGGING
543 PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3;
544 if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0))
545 RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger);
546#endif
547 if (rc != VINF_VMM_CALL_HOST)
548 break;
549 rc = vmmR3ServiceCallHostRequest(pVM);
550 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
551 break;
552 }
553
554 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
555 {
556 VMMR3FatalDump(pVM, pVCpu, rc);
557 if (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)
558 rc = VERR_INTERNAL_ERROR;
559 }
560 AssertRC(rc);
561 }
562 return rc;
563}
564
565
566/**
567 * Terminate the VMM bits.
568 *
569 * @returns VINF_SUCCESS.
570 * @param pVM The VM handle.
571 */
572VMMR3DECL(int) VMMR3Term(PVM pVM)
573{
574 /*
575 * Call Ring-0 entry with termination code.
576 */
577 int rc;
578 for (;;)
579 {
580#ifdef NO_SUPCALLR0VMM
581 //rc = VERR_GENERAL_FAILURE;
582 rc = VINF_SUCCESS;
583#else
584 rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_VMMR0_TERM, 0, NULL);
585#endif
586 if ( pVM->vmm.s.pR0LoggerR3
587 && pVM->vmm.s.pR0LoggerR3->Logger.offScratch > 0)
588 RTLogFlushToLogger(&pVM->vmm.s.pR0LoggerR3->Logger, NULL);
589 if (rc != VINF_VMM_CALL_HOST)
590 break;
591 rc = vmmR3ServiceCallHostRequest(pVM);
592 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
593 break;
594 /* Resume R0 */
595 }
596 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
597 {
598 LogRel(("VMMR3Term: R0 term failed, rc=%Rra. (warning)\n", rc));
599 if (RT_SUCCESS(rc))
600 rc = VERR_INTERNAL_ERROR;
601 }
602
603#ifdef VBOX_STRICT_VMM_STACK
604 /*
605 * Make the two stack guard pages present again.
606 */
607 RTMemProtect(pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE, PAGE_SIZE, RTMEM_PROT_READ | RTMEM_PROT_WRITE);
608 RTMemProtect(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, PAGE_SIZE, RTMEM_PROT_READ | RTMEM_PROT_WRITE);
609#endif
610 return rc;
611}
612
613
614/**
615 * Terminates the per-VCPU VMM.
616 *
617 * Termination means cleaning up and freeing all resources,
618 * the VM it self is at this point powered off or suspended.
619 *
620 * @returns VBox status code.
621 * @param pVM The VM to operate on.
622 */
623VMMR3DECL(int) VMMR3TermCPU(PVM pVM)
624{
625 return VINF_SUCCESS;
626}
627
628
629/**
630 * Applies relocations to data and code managed by this
631 * component. This function will be called at init and
632 * whenever the VMM need to relocate it self inside the GC.
633 *
634 * The VMM will need to apply relocations to the core code.
635 *
636 * @param pVM The VM handle.
637 * @param offDelta The relocation delta.
638 */
639VMMR3DECL(void) VMMR3Relocate(PVM pVM, RTGCINTPTR offDelta)
640{
641 LogFlow(("VMMR3Relocate: offDelta=%RGv\n", offDelta));
642
643 /*
644 * Recalc the RC address.
645 */
646 pVM->vmm.s.pvCoreCodeRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pvCoreCodeR3);
647
648 /*
649 * The stack.
650 */
651 for (unsigned i=0;i<pVM->cCPUs;i++)
652 {
653 PVMCPU pVCpu = &pVM->aCpus[i];
654
655 CPUMSetHyperESP(pVCpu, CPUMGetHyperESP(pVCpu) + offDelta);
656 }
657
658 pVM->vmm.s.pbEMTStackRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pbEMTStackR3);
659 pVM->vmm.s.pbEMTStackBottomRC = pVM->vmm.s.pbEMTStackRC + VMM_STACK_SIZE;
660
661 /*
662 * All the switchers.
663 */
664 vmmR3SwitcherRelocate(pVM, offDelta);
665
666 /*
667 * Get other RC entry points.
668 */
669 int rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "CPUMGCResumeGuest", &pVM->vmm.s.pfnCPUMRCResumeGuest);
670 AssertReleaseMsgRC(rc, ("CPUMGCResumeGuest not found! rc=%Rra\n", rc));
671
672 rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "CPUMGCResumeGuestV86", &pVM->vmm.s.pfnCPUMRCResumeGuestV86);
673 AssertReleaseMsgRC(rc, ("CPUMGCResumeGuestV86 not found! rc=%Rra\n", rc));
674
675 /*
676 * Update the logger.
677 */
678 VMMR3UpdateLoggers(pVM);
679}
680
681
682/**
683 * Updates the settings for the RC and R0 loggers.
684 *
685 * @returns VBox status code.
686 * @param pVM The VM handle.
687 */
688VMMR3DECL(int) VMMR3UpdateLoggers(PVM pVM)
689{
690 /*
691 * Simply clone the logger instance (for RC).
692 */
693 int rc = VINF_SUCCESS;
694 RTRCPTR RCPtrLoggerFlush = 0;
695
696 if (pVM->vmm.s.pRCLoggerR3
697#ifdef VBOX_WITH_RC_RELEASE_LOGGING
698 || pVM->vmm.s.pRCRelLoggerR3
699#endif
700 )
701 {
702 rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCLoggerFlush", &RCPtrLoggerFlush);
703 AssertReleaseMsgRC(rc, ("vmmGCLoggerFlush not found! rc=%Rra\n", rc));
704 }
705
706 if (pVM->vmm.s.pRCLoggerR3)
707 {
708 RTRCPTR RCPtrLoggerWrapper = 0;
709 rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCLoggerWrapper", &RCPtrLoggerWrapper);
710 AssertReleaseMsgRC(rc, ("vmmGCLoggerWrapper not found! rc=%Rra\n", rc));
711
712 pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3);
713 rc = RTLogCloneRC(NULL /* default */, pVM->vmm.s.pRCLoggerR3, pVM->vmm.s.cbRCLogger,
714 RCPtrLoggerWrapper, RCPtrLoggerFlush, RTLOGFLAGS_BUFFERED);
715 AssertReleaseMsgRC(rc, ("RTLogCloneRC failed! rc=%Rra\n", rc));
716 }
717
718#ifdef VBOX_WITH_RC_RELEASE_LOGGING
719 if (pVM->vmm.s.pRCRelLoggerR3)
720 {
721 RTRCPTR RCPtrLoggerWrapper = 0;
722 rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCRelLoggerWrapper", &RCPtrLoggerWrapper);
723 AssertReleaseMsgRC(rc, ("vmmGCRelLoggerWrapper not found! rc=%Rra\n", rc));
724
725 pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3);
726 rc = RTLogCloneRC(RTLogRelDefaultInstance(), pVM->vmm.s.pRCRelLoggerR3, pVM->vmm.s.cbRCRelLogger,
727 RCPtrLoggerWrapper, RCPtrLoggerFlush, RTLOGFLAGS_BUFFERED);
728 AssertReleaseMsgRC(rc, ("RTLogCloneRC failed! rc=%Rra\n", rc));
729 }
730#endif /* VBOX_WITH_RC_RELEASE_LOGGING */
731
732 /*
733 * For the ring-0 EMT logger, we use a per-thread logger instance
734 * in ring-0. Only initialize it once.
735 */
736 PVMMR0LOGGER pR0LoggerR3 = pVM->vmm.s.pR0LoggerR3;
737 if (pR0LoggerR3)
738 {
739 if (!pR0LoggerR3->fCreated)
740 {
741 RTR0PTR pfnLoggerWrapper = NIL_RTR0PTR;
742 rc = PDMR3LdrGetSymbolR0(pVM, VMMR0_MAIN_MODULE_NAME, "vmmR0LoggerWrapper", &pfnLoggerWrapper);
743 AssertReleaseMsgRCReturn(rc, ("VMMLoggerWrapper not found! rc=%Rra\n", rc), rc);
744
745 RTR0PTR pfnLoggerFlush = NIL_RTR0PTR;
746 rc = PDMR3LdrGetSymbolR0(pVM, VMMR0_MAIN_MODULE_NAME, "vmmR0LoggerFlush", &pfnLoggerFlush);
747 AssertReleaseMsgRCReturn(rc, ("VMMLoggerFlush not found! rc=%Rra\n", rc), rc);
748
749 rc = RTLogCreateForR0(&pR0LoggerR3->Logger, pR0LoggerR3->cbLogger,
750 *(PFNRTLOGGER *)&pfnLoggerWrapper, *(PFNRTLOGFLUSH *)&pfnLoggerFlush,
751 RTLOGFLAGS_BUFFERED, RTLOGDEST_DUMMY);
752 AssertReleaseMsgRCReturn(rc, ("RTLogCreateForR0 failed! rc=%Rra\n", rc), rc);
753 pR0LoggerR3->fCreated = true;
754 pR0LoggerR3->fFlushingDisabled = false;
755 }
756
757 rc = RTLogCopyGroupsAndFlags(&pR0LoggerR3->Logger, NULL /* default */, pVM->vmm.s.pRCLoggerR3->fFlags, RTLOGFLAGS_BUFFERED);
758 AssertRC(rc);
759 }
760
761 return rc;
762}
763
764
765/**
766 * Gets the pointer to a buffer containing the R0/RC AssertMsg1 output.
767 *
768 * @returns Pointer to the buffer.
769 * @param pVM The VM handle.
770 */
771VMMR3DECL(const char *) VMMR3GetRZAssertMsg1(PVM pVM)
772{
773 if (HWACCMIsEnabled(pVM))
774 return pVM->vmm.s.szRing0AssertMsg1;
775
776 RTRCPTR RCPtr;
777 int rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_szRTAssertMsg1", &RCPtr);
778 if (RT_SUCCESS(rc))
779 return (const char *)MMHyperRCToR3(pVM, RCPtr);
780
781 return NULL;
782}
783
784
785/**
786 * Gets the pointer to a buffer containing the R0/RC AssertMsg2 output.
787 *
788 * @returns Pointer to the buffer.
789 * @param pVM The VM handle.
790 */
791VMMR3DECL(const char *) VMMR3GetRZAssertMsg2(PVM pVM)
792{
793 if (HWACCMIsEnabled(pVM))
794 return pVM->vmm.s.szRing0AssertMsg2;
795
796 RTRCPTR RCPtr;
797 int rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_szRTAssertMsg2", &RCPtr);
798 if (RT_SUCCESS(rc))
799 return (const char *)MMHyperRCToR3(pVM, RCPtr);
800
801 return NULL;
802}
803
804
805/**
806 * Execute state save operation.
807 *
808 * @returns VBox status code.
809 * @param pVM VM Handle.
810 * @param pSSM SSM operation handle.
811 */
812static DECLCALLBACK(int) vmmR3Save(PVM pVM, PSSMHANDLE pSSM)
813{
814 LogFlow(("vmmR3Save:\n"));
815
816 /*
817 * The hypervisor stack.
818 * Note! See not in vmmR3Load.
819 */
820 SSMR3PutRCPtr(pSSM, pVM->vmm.s.pbEMTStackBottomRC);
821
822 for (unsigned i=0;i<pVM->cCPUs;i++)
823 {
824 PVMCPU pVCpu = &pVM->aCpus[i];
825
826 RTRCPTR RCPtrESP = CPUMGetHyperESP(pVCpu);
827 AssertMsg(pVM->vmm.s.pbEMTStackBottomRC - RCPtrESP <= VMM_STACK_SIZE, ("Bottom %RRv ESP=%RRv\n", pVM->vmm.s.pbEMTStackBottomRC, RCPtrESP));
828 SSMR3PutRCPtr(pSSM, RCPtrESP);
829 }
830 SSMR3PutMem(pSSM, pVM->vmm.s.pbEMTStackR3, VMM_STACK_SIZE);
831 return SSMR3PutU32(pSSM, ~0); /* terminator */
832}
833
834
835/**
836 * Execute state load operation.
837 *
838 * @returns VBox status code.
839 * @param pVM VM Handle.
840 * @param pSSM SSM operation handle.
841 * @param u32Version Data layout version.
842 */
843static DECLCALLBACK(int) vmmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
844{
845 LogFlow(("vmmR3Load:\n"));
846
847 /*
848 * Validate version.
849 */
850 if (u32Version != VMM_SAVED_STATE_VERSION)
851 {
852 AssertMsgFailed(("vmmR3Load: Invalid version u32Version=%d!\n", u32Version));
853 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
854 }
855
856 /*
857 * Check that the stack is in the same place, or that it's fearly empty.
858 *
859 * Note! This can be skipped next time we update saved state as we will
860 * never be in a R0/RC -> ring-3 call when saving the state. The
861 * stack and the two associated pointers are not required.
862 */
863 RTRCPTR RCPtrStackBottom;
864 SSMR3GetRCPtr(pSSM, &RCPtrStackBottom);
865 RTRCPTR RCPtrESP;
866 int rc = SSMR3GetRCPtr(pSSM, &RCPtrESP);
867 if (RT_FAILURE(rc))
868 return rc;
869
870 /* restore the stack. */
871 SSMR3GetMem(pSSM, pVM->vmm.s.pbEMTStackR3, VMM_STACK_SIZE);
872
873 /* terminator */
874 uint32_t u32;
875 rc = SSMR3GetU32(pSSM, &u32);
876 if (RT_FAILURE(rc))
877 return rc;
878 if (u32 != ~0U)
879 {
880 AssertMsgFailed(("u32=%#x\n", u32));
881 return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
882 }
883 return VINF_SUCCESS;
884}
885
886
887/**
888 * Resolve a builtin RC symbol.
889 *
890 * Called by PDM when loading or relocating RC modules.
891 *
892 * @returns VBox status
893 * @param pVM VM Handle.
894 * @param pszSymbol Symbol to resolv
895 * @param pRCPtrValue Where to store the symbol value.
896 *
897 * @remark This has to work before VMMR3Relocate() is called.
898 */
899VMMR3DECL(int) VMMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue)
900{
901 if (!strcmp(pszSymbol, "g_Logger"))
902 {
903 if (pVM->vmm.s.pRCLoggerR3)
904 pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3);
905 *pRCPtrValue = pVM->vmm.s.pRCLoggerRC;
906 }
907 else if (!strcmp(pszSymbol, "g_RelLogger"))
908 {
909#ifdef VBOX_WITH_RC_RELEASE_LOGGING
910 if (pVM->vmm.s.pRCRelLoggerR3)
911 pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3);
912 *pRCPtrValue = pVM->vmm.s.pRCRelLoggerRC;
913#else
914 *pRCPtrValue = NIL_RTRCPTR;
915#endif
916 }
917 else
918 return VERR_SYMBOL_NOT_FOUND;
919 return VINF_SUCCESS;
920}
921
922
923/**
924 * Suspends the CPU yielder.
925 *
926 * @param pVM The VM handle.
927 */
928VMMR3DECL(void) VMMR3YieldSuspend(PVM pVM)
929{
930 if (!pVM->vmm.s.cYieldResumeMillies)
931 {
932 uint64_t u64Now = TMTimerGet(pVM->vmm.s.pYieldTimer);
933 uint64_t u64Expire = TMTimerGetExpire(pVM->vmm.s.pYieldTimer);
934 if (u64Now >= u64Expire || u64Expire == ~(uint64_t)0)
935 pVM->vmm.s.cYieldResumeMillies = pVM->vmm.s.cYieldEveryMillies;
936 else
937 pVM->vmm.s.cYieldResumeMillies = TMTimerToMilli(pVM->vmm.s.pYieldTimer, u64Expire - u64Now);
938 TMTimerStop(pVM->vmm.s.pYieldTimer);
939 }
940 pVM->vmm.s.u64LastYield = RTTimeNanoTS();
941}
942
943
944/**
945 * Stops the CPU yielder.
946 *
947 * @param pVM The VM handle.
948 */
949VMMR3DECL(void) VMMR3YieldStop(PVM pVM)
950{
951 if (!pVM->vmm.s.cYieldResumeMillies)
952 TMTimerStop(pVM->vmm.s.pYieldTimer);
953 pVM->vmm.s.cYieldResumeMillies = pVM->vmm.s.cYieldEveryMillies;
954 pVM->vmm.s.u64LastYield = RTTimeNanoTS();
955}
956
957
958/**
959 * Resumes the CPU yielder when it has been a suspended or stopped.
960 *
961 * @param pVM The VM handle.
962 */
963VMMR3DECL(void) VMMR3YieldResume(PVM pVM)
964{
965 if (pVM->vmm.s.cYieldResumeMillies)
966 {
967 TMTimerSetMillies(pVM->vmm.s.pYieldTimer, pVM->vmm.s.cYieldResumeMillies);
968 pVM->vmm.s.cYieldResumeMillies = 0;
969 }
970}
971
972
973/**
974 * Internal timer callback function.
975 *
976 * @param pVM The VM.
977 * @param pTimer The timer handle.
978 * @param pvUser User argument specified upon timer creation.
979 */
980static DECLCALLBACK(void) vmmR3YieldEMT(PVM pVM, PTMTIMER pTimer, void *pvUser)
981{
982 /*
983 * This really needs some careful tuning. While we shouldn't be too greedy since
984 * that'll cause the rest of the system to stop up, we shouldn't be too nice either
985 * because that'll cause us to stop up.
986 *
987 * The current logic is to use the default interval when there is no lag worth
988 * mentioning, but when we start accumulating lag we don't bother yielding at all.
989 *
990 * (This depends on the TMCLOCK_VIRTUAL_SYNC to be scheduled before TMCLOCK_REAL
991 * so the lag is up to date.)
992 */
993 const uint64_t u64Lag = TMVirtualSyncGetLag(pVM);
994 if ( u64Lag < 50000000 /* 50ms */
995 || ( u64Lag < 1000000000 /* 1s */
996 && RTTimeNanoTS() - pVM->vmm.s.u64LastYield < 500000000 /* 500 ms */)
997 )
998 {
999 uint64_t u64Elapsed = RTTimeNanoTS();
1000 pVM->vmm.s.u64LastYield = u64Elapsed;
1001
1002 RTThreadYield();
1003
1004#ifdef LOG_ENABLED
1005 u64Elapsed = RTTimeNanoTS() - u64Elapsed;
1006 Log(("vmmR3YieldEMT: %RI64 ns\n", u64Elapsed));
1007#endif
1008 }
1009 TMTimerSetMillies(pTimer, pVM->vmm.s.cYieldEveryMillies);
1010}
1011
1012
1013/**
1014 * Acquire global VM lock.
1015 *
1016 * @returns VBox status code
1017 * @param pVM The VM to operate on.
1018 *
1019 * @remarks The global VMM lock isn't really used for anything any longer.
1020 */
1021VMMR3DECL(int) VMMR3Lock(PVM pVM)
1022{
1023 return RTCritSectEnter(&pVM->vmm.s.CritSectVMLock);
1024}
1025
1026
1027/**
1028 * Release global VM lock.
1029 *
1030 * @returns VBox status code
1031 * @param pVM The VM to operate on.
1032 *
1033 * @remarks The global VMM lock isn't really used for anything any longer.
1034 */
1035VMMR3DECL(int) VMMR3Unlock(PVM pVM)
1036{
1037 return RTCritSectLeave(&pVM->vmm.s.CritSectVMLock);
1038}
1039
1040
1041/**
1042 * Return global VM lock owner.
1043 *
1044 * @returns Thread id of owner.
1045 * @returns NIL_RTTHREAD if no owner.
1046 * @param pVM The VM to operate on.
1047 *
1048 * @remarks The global VMM lock isn't really used for anything any longer.
1049 */
1050VMMR3DECL(RTNATIVETHREAD) VMMR3LockGetOwner(PVM pVM)
1051{
1052 return RTCritSectGetOwner(&pVM->vmm.s.CritSectVMLock);
1053}
1054
1055
1056/**
1057 * Checks if the current thread is the owner of the global VM lock.
1058 *
1059 * @returns true if owner.
1060 * @returns false if not owner.
1061 * @param pVM The VM to operate on.
1062 *
1063 * @remarks The global VMM lock isn't really used for anything any longer.
1064 */
1065VMMR3DECL(bool) VMMR3LockIsOwner(PVM pVM)
1066{
1067 return RTCritSectIsOwner(&pVM->vmm.s.CritSectVMLock);
1068}
1069
1070
1071/**
1072 * Executes guest code in the raw-mode context.
1073 *
1074 * @param pVM VM handle.
1075 * @param pVCpu The VMCPU to operate on.
1076 */
1077VMMR3DECL(int) VMMR3RawRunGC(PVM pVM, PVMCPU pVCpu)
1078{
1079 Log2(("VMMR3RawRunGC: (cs:eip=%04x:%08x)\n", CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu)));
1080
1081 /*
1082 * Set the EIP and ESP.
1083 */
1084 CPUMSetHyperEIP(pVCpu, CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM
1085 ? pVM->vmm.s.pfnCPUMRCResumeGuestV86
1086 : pVM->vmm.s.pfnCPUMRCResumeGuest);
1087 CPUMSetHyperESP(pVCpu, pVM->vmm.s.pbEMTStackBottomRC);
1088
1089 /*
1090 * We hide log flushes (outer) and hypervisor interrupts (inner).
1091 */
1092 for (;;)
1093 {
1094 Assert(CPUMGetHyperCR3(pVCpu) && CPUMGetHyperCR3(pVCpu) == PGMGetHyperCR3(pVCpu));
1095#ifdef VBOX_STRICT
1096 PGMMapCheck(pVM);
1097#endif
1098 int rc;
1099 do
1100 {
1101#ifdef NO_SUPCALLR0VMM
1102 rc = VERR_GENERAL_FAILURE;
1103#else
1104 rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0);
1105 if (RT_LIKELY(rc == VINF_SUCCESS))
1106 rc = pVM->vmm.s.iLastGZRc;
1107#endif
1108 } while (rc == VINF_EM_RAW_INTERRUPT_HYPER);
1109
1110 /*
1111 * Flush the logs.
1112 */
1113#ifdef LOG_ENABLED
1114 PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3;
1115 if ( pLogger
1116 && pLogger->offScratch > 0)
1117 RTLogFlushRC(NULL, pLogger);
1118#endif
1119#ifdef VBOX_WITH_RC_RELEASE_LOGGING
1120 PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3;
1121 if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0))
1122 RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger);
1123#endif
1124 if (rc != VINF_VMM_CALL_HOST)
1125 {
1126 Log2(("VMMR3RawRunGC: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu)));
1127 return rc;
1128 }
1129 rc = vmmR3ServiceCallHostRequest(pVM);
1130 if (RT_FAILURE(rc))
1131 return rc;
1132 /* Resume GC */
1133 }
1134}
1135
1136
1137/**
1138 * Executes guest code (Intel VT-x and AMD-V).
1139 *
1140 * @param pVM VM handle.
1141 * @param pVCpu The VMCPU to operate on.
1142 */
1143VMMR3DECL(int) VMMR3HwAccRunGC(PVM pVM, PVMCPU pVCpu)
1144{
1145 Log2(("VMMR3HwAccRunGC: (cs:eip=%04x:%08x)\n", CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu)));
1146
1147 for (;;)
1148 {
1149 int rc;
1150 do
1151 {
1152#ifdef NO_SUPCALLR0VMM
1153 rc = VERR_GENERAL_FAILURE;
1154#else
1155 rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_HWACC_RUN, pVCpu->idCpu);
1156 if (RT_LIKELY(rc == VINF_SUCCESS))
1157 rc = pVM->vmm.s.iLastGZRc;
1158#endif
1159 } while (rc == VINF_EM_RAW_INTERRUPT_HYPER);
1160
1161#ifdef LOG_ENABLED
1162 /*
1163 * Flush the log
1164 */
1165 PVMMR0LOGGER pR0LoggerR3 = pVM->vmm.s.pR0LoggerR3;
1166 if ( pR0LoggerR3
1167 && pR0LoggerR3->Logger.offScratch > 0)
1168 RTLogFlushToLogger(&pR0LoggerR3->Logger, NULL);
1169#endif /* !LOG_ENABLED */
1170 if (rc != VINF_VMM_CALL_HOST)
1171 {
1172 Log2(("VMMR3HwAccRunGC: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu)));
1173 return rc;
1174 }
1175 rc = vmmR3ServiceCallHostRequest(pVM);
1176 if (RT_FAILURE(rc))
1177 return rc;
1178 /* Resume R0 */
1179 }
1180}
1181
1182
1183/**
1184 * Calls a RC function.
1185 *
1186 * @param pVM The VM handle.
1187 * @param RCPtrEntry The address of the RC function.
1188 * @param cArgs The number of arguments in the ....
1189 * @param ... Arguments to the function.
1190 */
1191VMMR3DECL(int) VMMR3CallRC(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, ...)
1192{
1193 va_list args;
1194 va_start(args, cArgs);
1195 int rc = VMMR3CallRCV(pVM, RCPtrEntry, cArgs, args);
1196 va_end(args);
1197 return rc;
1198}
1199
1200
1201/**
1202 * Calls a RC function.
1203 *
1204 * @param pVM The VM handle.
1205 * @param RCPtrEntry The address of the RC function.
1206 * @param cArgs The number of arguments in the ....
1207 * @param args Arguments to the function.
1208 */
1209VMMR3DECL(int) VMMR3CallRCV(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, va_list args)
1210{
1211 /* Raw mode implies 1 VCPU. */
1212 Assert(pVM->cCPUs == 1);
1213 PVMCPU pVCpu = &pVM->aCpus[0];
1214
1215 Log2(("VMMR3CallGCV: RCPtrEntry=%RRv cArgs=%d\n", RCPtrEntry, cArgs));
1216
1217 /*
1218 * Setup the call frame using the trampoline.
1219 */
1220 CPUMHyperSetCtxCore(pVCpu, NULL);
1221 memset(pVM->vmm.s.pbEMTStackR3, 0xaa, VMM_STACK_SIZE); /* Clear the stack. */
1222 CPUMSetHyperESP(pVCpu, pVM->vmm.s.pbEMTStackBottomRC - cArgs * sizeof(RTGCUINTPTR32));
1223 PRTGCUINTPTR32 pFrame = (PRTGCUINTPTR32)(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE) - cArgs;
1224 int i = cArgs;
1225 while (i-- > 0)
1226 *pFrame++ = va_arg(args, RTGCUINTPTR32);
1227
1228 CPUMPushHyper(pVCpu, cArgs * sizeof(RTGCUINTPTR32)); /* stack frame size */
1229 CPUMPushHyper(pVCpu, RCPtrEntry); /* what to call */
1230 CPUMSetHyperEIP(pVCpu, pVM->vmm.s.pfnCallTrampolineRC);
1231
1232 /*
1233 * We hide log flushes (outer) and hypervisor interrupts (inner).
1234 */
1235 for (;;)
1236 {
1237 int rc;
1238 Assert(CPUMGetHyperCR3(pVCpu) && CPUMGetHyperCR3(pVCpu) == PGMGetHyperCR3(pVCpu));
1239 do
1240 {
1241#ifdef NO_SUPCALLR0VMM
1242 rc = VERR_GENERAL_FAILURE;
1243#else
1244 rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0);
1245 if (RT_LIKELY(rc == VINF_SUCCESS))
1246 rc = pVM->vmm.s.iLastGZRc;
1247#endif
1248 } while (rc == VINF_EM_RAW_INTERRUPT_HYPER);
1249
1250 /*
1251 * Flush the logs.
1252 */
1253#ifdef LOG_ENABLED
1254 PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3;
1255 if ( pLogger
1256 && pLogger->offScratch > 0)
1257 RTLogFlushRC(NULL, pLogger);
1258#endif
1259#ifdef VBOX_WITH_RC_RELEASE_LOGGING
1260 PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3;
1261 if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0))
1262 RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger);
1263#endif
1264 if (rc == VERR_TRPM_PANIC || rc == VERR_TRPM_DONT_PANIC)
1265 VMMR3FatalDump(pVM, pVCpu, rc);
1266 if (rc != VINF_VMM_CALL_HOST)
1267 {
1268 Log2(("VMMR3CallGCV: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu)));
1269 return rc;
1270 }
1271 rc = vmmR3ServiceCallHostRequest(pVM);
1272 if (RT_FAILURE(rc))
1273 return rc;
1274 }
1275}
1276
1277
1278/**
1279 * Wrapper for SUPCallVMMR0Ex which will deal with
1280 * VINF_VMM_CALL_HOST returns.
1281 *
1282 * @returns VBox status code.
1283 * @param pVM The VM to operate on.
1284 * @param uOperation Operation to execute.
1285 * @param u64Arg Constant argument.
1286 * @param pReqHdr Pointer to a request header. See SUPCallVMMR0Ex for
1287 * details.
1288 */
1289VMMR3DECL(int) VMMR3CallR0(PVM pVM, uint32_t uOperation, uint64_t u64Arg, PSUPVMMR0REQHDR pReqHdr)
1290{
1291 /*
1292 * Call Ring-0 entry with init code.
1293 */
1294 int rc;
1295 for (;;)
1296 {
1297#ifdef NO_SUPCALLR0VMM
1298 rc = VERR_GENERAL_FAILURE;
1299#else
1300 rc = SUPCallVMMR0Ex(pVM->pVMR0, uOperation, u64Arg, pReqHdr);
1301#endif
1302 if ( pVM->vmm.s.pR0LoggerR3
1303 && pVM->vmm.s.pR0LoggerR3->Logger.offScratch > 0)
1304 RTLogFlushToLogger(&pVM->vmm.s.pR0LoggerR3->Logger, NULL);
1305 if (rc != VINF_VMM_CALL_HOST)
1306 break;
1307 rc = vmmR3ServiceCallHostRequest(pVM);
1308 if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST))
1309 break;
1310 /* Resume R0 */
1311 }
1312
1313 AssertLogRelMsgReturn(rc == VINF_SUCCESS || VBOX_FAILURE(rc),
1314 ("uOperation=%u rc=%Rrc\n", uOperation, rc),
1315 VERR_INTERNAL_ERROR);
1316 return rc;
1317}
1318
1319
1320/**
1321 * Resumes executing hypervisor code when interrupted by a queue flush or a
1322 * debug event.
1323 *
1324 * @returns VBox status code.
1325 * @param pVM VM handle.
1326 * @param pVCpu VMCPU handle.
1327 */
1328VMMR3DECL(int) VMMR3ResumeHyper(PVM pVM, PVMCPU pVCpu)
1329{
1330 Log(("VMMR3ResumeHyper: eip=%RRv esp=%RRv\n", CPUMGetHyperEIP(pVCpu), CPUMGetHyperESP(pVCpu)));
1331
1332 /*
1333 * We hide log flushes (outer) and hypervisor interrupts (inner).
1334 */
1335 for (;;)
1336 {
1337 int rc;
1338 Assert(CPUMGetHyperCR3(pVCpu) && CPUMGetHyperCR3(pVCpu) == PGMGetHyperCR3(pVCpu));
1339 do
1340 {
1341#ifdef NO_SUPCALLR0VMM
1342 rc = VERR_GENERAL_FAILURE;
1343#else
1344 rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0);
1345 if (RT_LIKELY(rc == VINF_SUCCESS))
1346 rc = pVM->vmm.s.iLastGZRc;
1347#endif
1348 } while (rc == VINF_EM_RAW_INTERRUPT_HYPER);
1349
1350 /*
1351 * Flush the loggers,
1352 */
1353#ifdef LOG_ENABLED
1354 PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3;
1355 if ( pLogger
1356 && pLogger->offScratch > 0)
1357 RTLogFlushRC(NULL, pLogger);
1358#endif
1359#ifdef VBOX_WITH_RC_RELEASE_LOGGING
1360 PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3;
1361 if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0))
1362 RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger);
1363#endif
1364 if (rc == VERR_TRPM_PANIC || rc == VERR_TRPM_DONT_PANIC)
1365 VMMR3FatalDump(pVM, pVCpu, rc);
1366 if (rc != VINF_VMM_CALL_HOST)
1367 {
1368 Log(("VMMR3ResumeHyper: returns %Rrc\n", rc));
1369 return rc;
1370 }
1371 rc = vmmR3ServiceCallHostRequest(pVM);
1372 if (RT_FAILURE(rc))
1373 return rc;
1374 }
1375}
1376
1377
1378/**
1379 * Service a call to the ring-3 host code.
1380 *
1381 * @returns VBox status code.
1382 * @param pVM VM handle.
1383 * @remark Careful with critsects.
1384 */
1385static int vmmR3ServiceCallHostRequest(PVM pVM)
1386{
1387 switch (pVM->vmm.s.enmCallHostOperation)
1388 {
1389 /*
1390 * Acquire the PDM lock.
1391 */
1392 case VMMCALLHOST_PDM_LOCK:
1393 {
1394 pVM->vmm.s.rcCallHost = PDMR3LockCall(pVM);
1395 break;
1396 }
1397
1398 /*
1399 * Flush a PDM queue.
1400 */
1401 case VMMCALLHOST_PDM_QUEUE_FLUSH:
1402 {
1403 PDMR3QueueFlushWorker(pVM, NULL);
1404 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1405 break;
1406 }
1407
1408 /*
1409 * Grow the PGM pool.
1410 */
1411 case VMMCALLHOST_PGM_POOL_GROW:
1412 {
1413 pVM->vmm.s.rcCallHost = PGMR3PoolGrow(pVM);
1414 break;
1415 }
1416
1417 /*
1418 * Maps an page allocation chunk into ring-3 so ring-0 can use it.
1419 */
1420 case VMMCALLHOST_PGM_MAP_CHUNK:
1421 {
1422 pVM->vmm.s.rcCallHost = PGMR3PhysChunkMap(pVM, pVM->vmm.s.u64CallHostArg);
1423 break;
1424 }
1425
1426 /*
1427 * Allocates more handy pages.
1428 */
1429 case VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES:
1430 {
1431 pVM->vmm.s.rcCallHost = PGMR3PhysAllocateHandyPages(pVM);
1432 break;
1433 }
1434
1435 /*
1436 * Acquire the PGM lock.
1437 */
1438 case VMMCALLHOST_PGM_LOCK:
1439 {
1440 pVM->vmm.s.rcCallHost = PGMR3LockCall(pVM);
1441 break;
1442 }
1443
1444 /*
1445 * Flush REM handler notifications.
1446 */
1447 case VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS:
1448 {
1449 REMR3ReplayHandlerNotifications(pVM);
1450 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1451 break;
1452 }
1453
1454 /*
1455 * This is a noop. We just take this route to avoid unnecessary
1456 * tests in the loops.
1457 */
1458 case VMMCALLHOST_VMM_LOGGER_FLUSH:
1459 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1460 LogAlways(("*FLUSH*\n"));
1461 break;
1462
1463 /*
1464 * Set the VM error message.
1465 */
1466 case VMMCALLHOST_VM_SET_ERROR:
1467 VMR3SetErrorWorker(pVM);
1468 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1469 break;
1470
1471 /*
1472 * Set the VM runtime error message.
1473 */
1474 case VMMCALLHOST_VM_SET_RUNTIME_ERROR:
1475 pVM->vmm.s.rcCallHost = VMR3SetRuntimeErrorWorker(pVM);
1476 break;
1477
1478 /*
1479 * Signal a ring 0 hypervisor assertion.
1480 * Cancel the longjmp operation that's in progress.
1481 */
1482 case VMMCALLHOST_VM_R0_ASSERTION:
1483 pVM->vmm.s.enmCallHostOperation = VMMCALLHOST_INVALID;
1484 pVM->vmm.s.CallHostR0JmpBuf.fInRing3Call = false;
1485#ifdef RT_ARCH_X86
1486 pVM->vmm.s.CallHostR0JmpBuf.eip = 0;
1487#else
1488 pVM->vmm.s.CallHostR0JmpBuf.rip = 0;
1489#endif
1490 LogRel((pVM->vmm.s.szRing0AssertMsg1));
1491 LogRel((pVM->vmm.s.szRing0AssertMsg2));
1492 return VERR_VMM_RING0_ASSERTION;
1493
1494 /*
1495 * A forced switch to ring 0 for preemption purposes.
1496 */
1497 case VMMCALLHOST_VM_R0_PREEMPT:
1498 pVM->vmm.s.rcCallHost = VINF_SUCCESS;
1499 break;
1500
1501 default:
1502 AssertMsgFailed(("enmCallHostOperation=%d\n", pVM->vmm.s.enmCallHostOperation));
1503 return VERR_INTERNAL_ERROR;
1504 }
1505
1506 pVM->vmm.s.enmCallHostOperation = VMMCALLHOST_INVALID;
1507 return VINF_SUCCESS;
1508}
1509
1510
1511/**
1512 * Displays the Force action Flags.
1513 *
1514 * @param pVM The VM handle.
1515 * @param pHlp The output helpers.
1516 * @param pszArgs The additional arguments (ignored).
1517 */
1518static DECLCALLBACK(void) vmmR3InfoFF(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1519{
1520 const uint32_t fForcedActions = pVM->fForcedActions;
1521
1522 pHlp->pfnPrintf(pHlp, "Forced action Flags: %#RX32", fForcedActions);
1523
1524 /* show the flag mnemonics */
1525 int c = 0;
1526 uint32_t f = fForcedActions;
1527#define PRINT_FLAG(flag) do { \
1528 if (f & (flag)) \
1529 { \
1530 static const char *s_psz = #flag; \
1531 if (!(c % 6)) \
1532 pHlp->pfnPrintf(pHlp, "%s\n %s", c ? "," : "", s_psz + 6); \
1533 else \
1534 pHlp->pfnPrintf(pHlp, ", %s", s_psz + 6); \
1535 c++; \
1536 f &= ~(flag); \
1537 } \
1538 } while (0)
1539 PRINT_FLAG(VM_FF_INTERRUPT_APIC);
1540 PRINT_FLAG(VM_FF_INTERRUPT_PIC);
1541 PRINT_FLAG(VM_FF_TIMER);
1542 PRINT_FLAG(VM_FF_PDM_QUEUES);
1543 PRINT_FLAG(VM_FF_PDM_DMA);
1544 PRINT_FLAG(VM_FF_PDM_CRITSECT);
1545 PRINT_FLAG(VM_FF_DBGF);
1546 PRINT_FLAG(VM_FF_REQUEST);
1547 PRINT_FLAG(VM_FF_TERMINATE);
1548 PRINT_FLAG(VM_FF_RESET);
1549 PRINT_FLAG(VM_FF_PGM_SYNC_CR3);
1550 PRINT_FLAG(VM_FF_PGM_SYNC_CR3_NON_GLOBAL);
1551 PRINT_FLAG(VM_FF_PGM_NEED_HANDY_PAGES);
1552 PRINT_FLAG(VM_FF_PGM_NO_MEMORY);
1553 PRINT_FLAG(VM_FF_TRPM_SYNC_IDT);
1554 PRINT_FLAG(VM_FF_SELM_SYNC_TSS);
1555 PRINT_FLAG(VM_FF_SELM_SYNC_GDT);
1556 PRINT_FLAG(VM_FF_SELM_SYNC_LDT);
1557 PRINT_FLAG(VM_FF_INHIBIT_INTERRUPTS);
1558 PRINT_FLAG(VM_FF_CSAM_SCAN_PAGE);
1559 PRINT_FLAG(VM_FF_CSAM_PENDING_ACTION);
1560 PRINT_FLAG(VM_FF_TO_R3);
1561 PRINT_FLAG(VM_FF_REM_HANDLER_NOTIFY);
1562 PRINT_FLAG(VM_FF_DEBUG_SUSPEND);
1563 if (f)
1564 pHlp->pfnPrintf(pHlp, "%s\n Unknown bits: %#RX32\n", c ? "," : "", f);
1565 else
1566 pHlp->pfnPrintf(pHlp, "\n");
1567#undef PRINT_FLAG
1568
1569 /* the groups */
1570 c = 0;
1571#define PRINT_GROUP(grp) do { \
1572 if (fForcedActions & (grp)) \
1573 { \
1574 static const char *s_psz = #grp; \
1575 if (!(c % 5)) \
1576 pHlp->pfnPrintf(pHlp, "%s %s", c ? ",\n" : "Groups:\n", s_psz + 6); \
1577 else \
1578 pHlp->pfnPrintf(pHlp, ", %s", s_psz + 6); \
1579 c++; \
1580 } \
1581 } while (0)
1582 PRINT_GROUP(VM_FF_EXTERNAL_SUSPENDED_MASK);
1583 PRINT_GROUP(VM_FF_EXTERNAL_HALTED_MASK);
1584 PRINT_GROUP(VM_FF_HIGH_PRIORITY_PRE_MASK);
1585 PRINT_GROUP(VM_FF_HIGH_PRIORITY_PRE_RAW_MASK);
1586 PRINT_GROUP(VM_FF_HIGH_PRIORITY_POST_MASK);
1587 PRINT_GROUP(VM_FF_NORMAL_PRIORITY_POST_MASK);
1588 PRINT_GROUP(VM_FF_NORMAL_PRIORITY_MASK);
1589 PRINT_GROUP(VM_FF_RESUME_GUEST_MASK);
1590 PRINT_GROUP(VM_FF_ALL_BUT_RAW_MASK);
1591 if (c)
1592 pHlp->pfnPrintf(pHlp, "\n");
1593#undef PRINT_GROUP
1594}
1595
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