VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 3068

Last change on this file since 3068 was 2981, checked in by vboxsync, 18 years ago

InnoTek -> innotek: all the headers and comments.

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File size: 33.8 KB
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1/* $Id: HWACCM.cpp 2981 2007-06-01 16:01:28Z vboxsync $ */
2/** @file
3 * HWACCM - Intel/AMD VM Hardware Support Manager
4 */
5
6/*
7 * Copyright (C) 2006-2007 innotek GmbH
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 as published by the Free Software Foundation,
13 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14 * distribution. VirtualBox OSE is distributed in the hope that it will
15 * be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * If you received this file as part of a commercial VirtualBox
18 * distribution, then only the terms of your commercial VirtualBox
19 * license agreement apply instead of the previous paragraph.
20 */
21
22/*******************************************************************************
23* Header Files *
24*******************************************************************************/
25#define LOG_GROUP LOG_GROUP_HWACCM
26#include <VBox/cpum.h>
27#include <VBox/stam.h>
28#include <VBox/mm.h>
29#include <VBox/pdm.h>
30#include <VBox/pgm.h>
31#include <VBox/trpm.h>
32#include <VBox/dbgf.h>
33#include <VBox/hwacc_vmx.h>
34#include <VBox/hwacc_svm.h>
35#include "HWACCMInternal.h"
36#include <VBox/vm.h>
37#include <VBox/err.h>
38#include <VBox/param.h>
39#include <VBox/patm.h>
40#include <VBox/csam.h>
41#include <VBox/selm.h>
42
43#include <iprt/assert.h>
44#include <VBox/log.h>
45#include <iprt/asm.h>
46#include <iprt/string.h>
47#include <iprt/thread.h>
48#include "x86context.h"
49
50
51/*******************************************************************************
52* Internal Functions *
53*******************************************************************************/
54static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM);
55static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version);
56
57
58/**
59 * Initializes the HWACCM.
60 *
61 * @returns VBox status code.
62 * @param pVM The VM to operate on.
63 */
64HWACCMR3DECL(int) HWACCMR3Init(PVM pVM)
65{
66 LogFlow(("HWACCMR3Init\n"));
67
68 /*
69 * Assert alignment and sizes.
70 */
71 AssertRelease(!(RT_OFFSETOF(VM, hwaccm.s) & 31));
72 AssertRelease(sizeof(pVM->hwaccm.s) <= sizeof(pVM->hwaccm.padding));
73
74 /* Some structure checks. */
75 AssertMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved3) == 0xC0, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved3)));
76 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject)));
77 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo)));
78 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl)));
79
80 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest)));
81 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4) == 0x4A0, ("guest.u8Reserved4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4)));
82 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6) == 0x4D8, ("guest.u8Reserved6 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6)));
83 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7) == 0x580, ("guest.u8Reserved7 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7)));
84 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9) == 0x648, ("guest.u8Reserved9 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9)));
85 AssertMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved10) == 0x698, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved10)));
86 AssertMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB)));
87
88
89 /*
90 * Register the saved state data unit.
91 */
92 int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM),
93 NULL, hwaccmR3Save, NULL,
94 NULL, hwaccmR3Load, NULL);
95 if (VBOX_FAILURE(rc))
96 return rc;
97
98 /** @todo Make sure both pages are either not accessible or readonly! */
99 /* Allocate one page for VMXON. */
100 pVM->hwaccm.s.vmx.pVMXON = SUPContAlloc(1, &pVM->hwaccm.s.vmx.pVMXONPhys);
101 if (pVM->hwaccm.s.vmx.pVMXON == 0)
102 {
103 AssertMsgFailed(("SUPContAlloc failed!!\n"));
104 return VERR_NO_MEMORY;
105 }
106 memset(pVM->hwaccm.s.vmx.pVMXON, 0, PAGE_SIZE);
107
108 /* Allocate one page for the VM control structure (VMCS). */
109 pVM->hwaccm.s.vmx.pVMCS = SUPContAlloc(1, &pVM->hwaccm.s.vmx.pVMCSPhys);
110 if (pVM->hwaccm.s.vmx.pVMCS == 0)
111 {
112 AssertMsgFailed(("SUPContAlloc failed!!\n"));
113 return VERR_NO_MEMORY;
114 }
115 memset(pVM->hwaccm.s.vmx.pVMCS, 0, PAGE_SIZE);
116
117 /* Allocate one page for the TSS we need for real mode emulation. */
118 pVM->hwaccm.s.vmx.pRealModeTSS = (PVBOXTSS)SUPContAlloc(1, &pVM->hwaccm.s.vmx.pRealModeTSSPhys);
119 if (pVM->hwaccm.s.vmx.pRealModeTSS == 0)
120 {
121 AssertMsgFailed(("SUPContAlloc failed!!\n"));
122 return VERR_NO_MEMORY;
123 }
124 /* We initialize it properly later as we can reuse it for SVM */
125 memset(pVM->hwaccm.s.vmx.pRealModeTSS, 0, PAGE_SIZE);
126
127 /* Reuse those three pages for AMD SVM. (one is active; never both) */
128 pVM->hwaccm.s.svm.pHState = pVM->hwaccm.s.vmx.pVMXON;
129 pVM->hwaccm.s.svm.pHStatePhys = pVM->hwaccm.s.vmx.pVMXONPhys;
130 pVM->hwaccm.s.svm.pVMCB = pVM->hwaccm.s.vmx.pVMCS;
131 pVM->hwaccm.s.svm.pVMCBPhys = pVM->hwaccm.s.vmx.pVMCSPhys;
132 pVM->hwaccm.s.svm.pVMCBHost = pVM->hwaccm.s.vmx.pRealModeTSS;
133 pVM->hwaccm.s.svm.pVMCBHostPhys = pVM->hwaccm.s.vmx.pRealModeTSSPhys;
134
135 /* Allocate 12 KB for the IO bitmap (doesn't seem to be a way to convince SVM not to use it) */
136 pVM->hwaccm.s.svm.pIOBitmap = SUPContAlloc(3, &pVM->hwaccm.s.svm.pIOBitmapPhys);
137 if (pVM->hwaccm.s.svm.pIOBitmap == 0)
138 {
139 AssertMsgFailed(("SUPContAlloc failed!!\n"));
140 return VERR_NO_MEMORY;
141 }
142 /* Set all bits to intercept all IO accesses. */
143 memset(pVM->hwaccm.s.svm.pIOBitmap, 0xff, PAGE_SIZE*3);
144
145 /* Allocate 8 KB for the MSR bitmap (doesn't seem to be a way to convince SVM not to use it) */
146 pVM->hwaccm.s.svm.pMSRBitmap = SUPContAlloc(2, &pVM->hwaccm.s.svm.pMSRBitmapPhys);
147 if (pVM->hwaccm.s.svm.pMSRBitmap == 0)
148 {
149 AssertMsgFailed(("SUPContAlloc failed!!\n"));
150 return VERR_NO_MEMORY;
151 }
152 /* Set all bits to intercept all MSR accesses. */
153 memset(pVM->hwaccm.s.svm.pMSRBitmap, 0xff, PAGE_SIZE*2);
154
155 /* Misc initialisation. */
156 pVM->hwaccm.s.vmx.fSupported = false;
157 pVM->hwaccm.s.svm.fSupported = false;
158 pVM->hwaccm.s.vmx.fEnabled = false;
159 pVM->hwaccm.s.svm.fEnabled = false;
160
161 pVM->hwaccm.s.fActive = false;
162
163 /* On first entry we'll sync everything. */
164 pVM->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
165
166 pVM->hwaccm.s.vmx.cr0_mask = 0;
167 pVM->hwaccm.s.vmx.cr4_mask = 0;
168
169 /*
170 * Statistics.
171 */
172 STAM_REG(pVM, &pVM->hwaccm.s.StatEntry, STAMTYPE_PROFILE, "/PROF/HWACCM/SwitchToGC", STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry");
173 STAM_REG(pVM, &pVM->hwaccm.s.StatExit, STAMTYPE_PROFILE, "/PROF/HWACCM/SwitchFromGC", STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit");
174 STAM_REG(pVM, &pVM->hwaccm.s.StatInGC, STAMTYPE_PROFILE, "/PROF/HWACCM/InGC", STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch");
175
176 STAM_REG(pVM, &pVM->hwaccm.s.StatExitShadowNM, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Shadow/#NM", STAMUNIT_OCCURENCES, "Nr of occurances");
177 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestNM, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#NM", STAMUNIT_OCCURENCES, "Nr of occurances");
178 STAM_REG(pVM, &pVM->hwaccm.s.StatExitShadowPF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Shadow/#PF", STAMUNIT_OCCURENCES, "Nr of occurances");
179 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestPF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#PF", STAMUNIT_OCCURENCES, "Nr of occurances");
180 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestUD, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#UD", STAMUNIT_OCCURENCES, "Nr of occurances");
181 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestSS, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#SS", STAMUNIT_OCCURENCES, "Nr of occurances");
182 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestNP, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#NP", STAMUNIT_OCCURENCES, "Nr of occurances");
183 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestGP, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#GP", STAMUNIT_OCCURENCES, "Nr of occurances");
184 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestMF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#MF", STAMUNIT_OCCURENCES, "Nr of occurances");
185 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestDE, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#DE", STAMUNIT_OCCURENCES, "Nr of occurances");
186 STAM_REG(pVM, &pVM->hwaccm.s.StatExitInvpg, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Invlpg", STAMUNIT_OCCURENCES, "Nr of occurances");
187 STAM_REG(pVM, &pVM->hwaccm.s.StatExitInvd, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Invd", STAMUNIT_OCCURENCES, "Nr of occurances");
188 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCpuid, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Cpuid", STAMUNIT_OCCURENCES, "Nr of occurances");
189 STAM_REG(pVM, &pVM->hwaccm.s.StatExitRdtsc, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Rdtsc", STAMUNIT_OCCURENCES, "Nr of occurances");
190 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCRxWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CRx/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
191 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCRxRead, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CRx/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
192 STAM_REG(pVM, &pVM->hwaccm.s.StatExitDRxWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/DRx/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
193 STAM_REG(pVM, &pVM->hwaccm.s.StatExitDRxRead, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/DRx/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
194 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCLTS, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CLTS", STAMUNIT_OCCURENCES, "Nr of occurances");
195 STAM_REG(pVM, &pVM->hwaccm.s.StatExitLMSW, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/LMSW", STAMUNIT_OCCURENCES, "Nr of occurances");
196 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
197 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIORead, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
198 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOStringWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/WriteString", STAMUNIT_OCCURENCES, "Nr of occurances");
199 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOStringRead, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/ReadString", STAMUNIT_OCCURENCES, "Nr of occurances");
200 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIrqWindow, STAMTYPE_COUNTER, "/HWACCM/Exit/GuestIrq/Pending", STAMUNIT_OCCURENCES, "Nr of occurances");
201
202 STAM_REG(pVM, &pVM->hwaccm.s.StatSwitchGuestIrq,STAMTYPE_COUNTER, "/HWACCM/Switch/IrqPending", STAMUNIT_OCCURENCES, "Nr of occurances");
203 STAM_REG(pVM, &pVM->hwaccm.s.StatSwitchToR3, STAMTYPE_COUNTER, "/HWACCM/Switch/ToR3", STAMUNIT_OCCURENCES, "Nr of occurances");
204
205 STAM_REG(pVM, &pVM->hwaccm.s.StatIntInject, STAMTYPE_COUNTER, "/HWACCM/Irq/Inject", STAMUNIT_OCCURENCES, "Nr of occurances");
206 STAM_REG(pVM, &pVM->hwaccm.s.StatIntReinject, STAMTYPE_COUNTER, "/HWACCM/Irq/Reinject", STAMUNIT_OCCURENCES, "Nr of occurances");
207 STAM_REG(pVM, &pVM->hwaccm.s.StatPendingHostIrq,STAMTYPE_COUNTER, "/HWACCM/Irq/PendingOnHost", STAMUNIT_OCCURENCES, "Nr of occurances");
208
209 pVM->hwaccm.s.pStatExitReason = 0;
210
211#ifdef VBOX_WITH_STATISTICS
212 rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVM->hwaccm.s.pStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVM->hwaccm.s.pStatExitReason);
213 AssertRC(rc);
214 if (VBOX_SUCCESS(rc))
215 {
216 for (int i=0;i<MAX_EXITREASON_STAT;i++)
217 {
218 char szName[64];
219 RTStrPrintf(szName, sizeof(szName), "/HWACCM/Exit/Reason/%02x", i);
220 int rc = STAMR3Register(pVM, &pVM->hwaccm.s.pStatExitReason[i], STAMTYPE_COUNTER, STAMVISIBILITY_USED, szName, STAMUNIT_OCCURENCES, "Exit reason");
221 AssertRC(rc);
222 }
223 }
224 pVM->hwaccm.s.pStatExitReasonR0 = MMHyperR3ToR0(pVM, pVM->hwaccm.s.pStatExitReason);
225 Assert(pVM->hwaccm.s.pStatExitReasonR0);
226#endif
227
228 /* Disabled by default. */
229 pVM->fHWACCMEnabled = false;
230
231 /* HWACCM support must be explicitely enabled in the configuration file. */
232 pVM->hwaccm.s.fAllowed = false;
233 CFGMR3QueryBool(CFGMR3GetChild(CFGMR3GetRoot(pVM), "HWVirtExt/"), "Enabled", &pVM->hwaccm.s.fAllowed);
234
235 return VINF_SUCCESS;
236}
237
238
239/**
240 * Turns off normal raw mode features
241 *
242 * @param pVM The VM to operate on.
243 */
244static void hwaccmr3DisableRawMode(PVM pVM)
245{
246 /* Disable PATM & CSAM. */
247 PATMR3AllowPatching(pVM, false);
248 CSAMDisableScanning(pVM);
249
250 /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
251 SELMR3DisableMonitoring(pVM);
252 TRPMR3DisableMonitoring(pVM);
253
254 /* The hidden selector registers are now valid. */
255 CPUMSetHiddenSelRegsValid(pVM, true);
256
257 /* Disable the switcher code (safety precaution). */
258 VMMR3DisableSwitcher(pVM);
259
260 /* Disable mapping of the hypervisor into the shadow page table. */
261 PGMR3ChangeShwPDMappings(pVM, false);
262
263 /* Disable the switcher */
264 VMMR3DisableSwitcher(pVM);
265}
266
267/**
268 * Applies relocations to data and code managed by this
269 * component. This function will be called at init and
270 * whenever the VMM need to relocate it self inside the GC.
271 *
272 * @param pVM The VM.
273 */
274HWACCMR3DECL(void) HWACCMR3Relocate(PVM pVM)
275{
276#ifdef LOG_ENABLED
277 Log(("HWACCMR3Relocate to %VGv\n", MMHyperGetArea(pVM, 0)));
278#endif
279
280 if (pVM->hwaccm.s.fAllowed == false)
281 return ;
282
283 if (pVM->hwaccm.s.vmx.fSupported)
284 {
285 Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
286
287 if ( pVM->hwaccm.s.fInitialized == false
288 && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
289 {
290 uint64_t val;
291
292 LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
293 LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %VX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
294 LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
295 LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
296 LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
297 LogRel(("HWACCM: VMCS physical address limit = %s\n", MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(pVM->hwaccm.s.vmx.msr.vmx_basic_info) ? "< 4 GB" : "None"));
298 LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
299 LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
300
301 LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls));
302 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls >> 32ULL;
303 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
304 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
305 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
306 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
307 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls;
308 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
309 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n"));
310 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
311 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n"));
312
313 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls));
314 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls >> 32ULL;
315 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
316 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
317 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
318 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
319 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
320 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
321 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
322 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
323 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
324 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
325 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
326 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
327 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
328 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
329 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
330 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
331 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
332 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
333 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
334 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
335 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
336 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
337 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
338 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
339 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
340 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
341 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
342 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
343 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
344 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
345 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
346 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
347 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls;
348 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
349 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n"));
350 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
351 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n"));
352 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
353 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n"));
354 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
355 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n"));
356 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
357 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n"));
358 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
359 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n"));
360 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
361 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n"));
362 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
363 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n"));
364 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
365 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n"));
366 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
367 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n"));
368 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
369 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n"));
370 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
371 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n"));
372 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
373 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n"));
374 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
375 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n"));
376 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
377 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n"));
378 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
379 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n"));
380
381 LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry));
382 val = pVM->hwaccm.s.vmx.msr.vmx_entry >> 32ULL;
383 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
384 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
385 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
386 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
387 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
388 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
389 val = pVM->hwaccm.s.vmx.msr.vmx_entry;
390 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
391 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n"));
392 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
393 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n"));
394 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
395 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n"));
396
397 LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit));
398 val = pVM->hwaccm.s.vmx.msr.vmx_exit >> 32ULL;
399 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
400 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
401 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
402 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
403 val = pVM->hwaccm.s.vmx.msr.vmx_exit;
404 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
405 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n"));
406 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
407 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n"));
408
409 LogRel(("HWACCM: MSR_IA32_VMX_MISC = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
410 LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
411 LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
412 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
413 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
414
415 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
416 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
417 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
418 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
419 LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
420
421 /* Only try once. */
422 pVM->hwaccm.s.fInitialized = true;
423
424 /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. Outside the TSS on purpose; the CPU will not check it
425 * for I/O operations. */
426 pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
427 /* Bit set to 0 means redirection enabled. */
428 memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
429
430 int rc = SUPCallVMMR0(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, NULL);
431 AssertRC(rc);
432 if (rc == VINF_SUCCESS)
433 {
434 hwaccmr3DisableRawMode(pVM);
435
436 pVM->fHWACCMEnabled = true;
437 pVM->hwaccm.s.vmx.fEnabled = true;
438 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
439 LogRel(("HWACCM: VMX enabled!\n"));
440 }
441 else
442 {
443 LogRel(("HWACCM: VMX setup failed with rc=%Vrc!\n", rc));
444 pVM->fHWACCMEnabled = false;
445 }
446 }
447 }
448 else
449 if (pVM->hwaccm.s.svm.fSupported)
450 {
451 Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
452
453 if (pVM->hwaccm.s.fInitialized == false)
454 {
455 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %VX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
456 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %VX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
457 LogRel(("HWACCM: SVM revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
458 LogRel(("HWACCM: SVM max ASID = %d\n", pVM->hwaccm.s.svm.u32MaxASID));
459
460 /* Only try once. */
461 pVM->hwaccm.s.fInitialized = true;
462
463 int rc = SUPCallVMMR0(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, NULL);
464 AssertRC(rc);
465 if (rc == VINF_SUCCESS)
466 {
467 hwaccmr3DisableRawMode(pVM);
468 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
469
470 pVM->fHWACCMEnabled = true;
471 pVM->hwaccm.s.svm.fEnabled = true;
472 }
473 else
474 {
475 pVM->fHWACCMEnabled = false;
476 }
477 }
478 }
479
480}
481
482
483/**
484 * Checks hardware accelerated raw mode is allowed.
485 *
486 * @returns boolean
487 * @param pVM The VM to operate on.
488 */
489HWACCMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
490{
491 return pVM->hwaccm.s.fAllowed;
492}
493
494
495/**
496 * Notification callback which is called whenever there is a chance that a CR3
497 * value might have changed.
498 * This is called by PGM.
499 *
500 * @param pVM The VM to operate on.
501 * @param enmShadowMode New paging mode.
502 */
503HWACCMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PGMMODE enmShadowMode)
504{
505 pVM->hwaccm.s.enmShadowMode = enmShadowMode;
506}
507
508/**
509 * Terminates the HWACCM.
510 *
511 * Termination means cleaning up and freeing all resources,
512 * the VM it self is at this point powered off or suspended.
513 *
514 * @returns VBox status code.
515 * @param pVM The VM to operate on.
516 */
517HWACCMR3DECL(int) HWACCMR3Term(PVM pVM)
518{
519 if (pVM->hwaccm.s.pStatExitReason)
520 {
521 MMHyperFree(pVM, pVM->hwaccm.s.pStatExitReason);
522 pVM->hwaccm.s.pStatExitReason = 0;
523 }
524
525 if (pVM->hwaccm.s.vmx.pVMXON)
526 {
527 SUPContFree(pVM->hwaccm.s.vmx.pVMXON, 1);
528 pVM->hwaccm.s.vmx.pVMXON = 0;
529 }
530 if (pVM->hwaccm.s.vmx.pVMCS)
531 {
532 SUPContFree(pVM->hwaccm.s.vmx.pVMCS, 1);
533 pVM->hwaccm.s.vmx.pVMCS = 0;
534 }
535 if (pVM->hwaccm.s.vmx.pRealModeTSS)
536 {
537 SUPContFree(pVM->hwaccm.s.vmx.pRealModeTSS, 1);
538 pVM->hwaccm.s.vmx.pRealModeTSS = 0;
539 }
540 if (pVM->hwaccm.s.svm.pIOBitmap)
541 {
542 SUPContFree(pVM->hwaccm.s.svm.pIOBitmap, 3);
543 pVM->hwaccm.s.svm.pIOBitmap = 0;
544 }
545 if (pVM->hwaccm.s.svm.pMSRBitmap)
546 {
547 SUPContFree(pVM->hwaccm.s.svm.pMSRBitmap, 2);
548 pVM->hwaccm.s.svm.pMSRBitmap = 0;
549 }
550 return 0;
551}
552
553
554/**
555 * The VM is being reset.
556 *
557 * For the HWACCM component this means that any GDT/LDT/TSS monitors
558 * needs to be removed.
559 *
560 * @param pVM VM handle.
561 */
562HWACCMR3DECL(void) HWACCMR3Reset(PVM pVM)
563{
564 LogFlow(("HWACCMR3Reset:\n"));
565
566 if (pVM->fHWACCMEnabled)
567 hwaccmr3DisableRawMode(pVM);
568
569 /* On first entry we'll sync everything. */
570 pVM->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
571
572 pVM->hwaccm.s.vmx.cr0_mask = 0;
573 pVM->hwaccm.s.vmx.cr4_mask = 0;
574
575 pVM->hwaccm.s.Event.fPending = false;
576}
577
578/**
579 * Checks if we can currently use hardware accelerated raw mode.
580 *
581 * @returns boolean
582 * @param pVM The VM to operate on.
583 * @param pCtx Partial VM execution context
584 */
585HWACCMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
586{
587 uint32_t mask;
588
589 Assert(pVM->fHWACCMEnabled);
590
591 /* AMD SVM supports real & protected mode with or without paging. */
592 if (pVM->hwaccm.s.svm.fEnabled)
593 {
594 pVM->hwaccm.s.fActive = true;
595 return true;
596 }
597
598 /* @todo we can support real-mode by using v86 and protected mode without paging with identity mapped pages.
599 * (but do we really care?)
600 */
601
602 pVM->hwaccm.s.fActive = false;
603
604 /** @note The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
605
606#ifndef HWACCM_VMX_EMULATE_ALL
607 /* Too early for VMX. */
608 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr == 0)
609 return false;
610
611 /* The guest is about to complete the switch to protected mode. Wait a bit longer. */
612 if (pCtx->csHid.Attr.n.u1Present == 0)
613 return false;
614 if (pCtx->ssHid.Attr.n.u1Present == 0)
615 return false;
616
617 /** @todo if we remove this check, then Windows XP install fails during the textmode phase */
618 if (!(pCtx->cr0 & X86_CR0_WRITE_PROTECT))
619 return false;
620#endif
621
622 if (pVM->hwaccm.s.vmx.fEnabled)
623 {
624 /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
625 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
626 /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
627 mask &= ~X86_CR0_NE;
628#ifdef HWACCM_VMX_EMULATE_ALL
629 /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
630 mask &= ~(X86_CR0_PG|X86_CR0_PE);
631#endif
632 if ((pCtx->cr0 & mask) != mask)
633 return false;
634
635 /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
636 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
637 if ((pCtx->cr0 & mask) != 0)
638 return false;
639
640 /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
641 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
642 mask &= ~X86_CR4_VMXE;
643 if ((pCtx->cr4 & mask) != mask)
644 return false;
645
646 /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
647 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
648 if ((pCtx->cr4 & mask) != 0)
649 return false;
650
651 pVM->hwaccm.s.fActive = true;
652 return true;
653 }
654
655 return false;
656}
657
658/**
659 * Checks if we are currently using hardware accelerated raw mode.
660 *
661 * @returns boolean
662 * @param pVM The VM to operate on.
663 */
664HWACCMR3DECL(bool) HWACCMR3IsActive(PVM pVM)
665{
666 return pVM->hwaccm.s.fActive;
667}
668
669/**
670 * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
671 *
672 * @returns boolean
673 * @param pVM The VM to operate on.
674 */
675HWACCMR3DECL(bool) HWACCMR3IsEventPending(PVM pVM)
676{
677 return HWACCMIsEnabled(pVM) && pVM->hwaccm.s.Event.fPending;
678}
679
680/**
681 * Execute state save operation.
682 *
683 * @returns VBox status code.
684 * @param pVM VM Handle.
685 * @param pSSM SSM operation handle.
686 */
687static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
688{
689 int rc;
690
691 Log(("hwaccmR3Save:\n"));
692
693 /*
694 * Save the basic bits - fortunately all the other things can be resynced on load.
695 */
696 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.Event.fPending);
697 AssertRCReturn(rc, rc);
698 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.Event.errCode);
699 AssertRCReturn(rc, rc);
700 rc = SSMR3PutU64(pSSM, pVM->hwaccm.s.Event.intInfo);
701 AssertRCReturn(rc, rc);
702
703 return VINF_SUCCESS;
704}
705
706
707/**
708 * Execute state load operation.
709 *
710 * @returns VBox status code.
711 * @param pVM VM Handle.
712 * @param pSSM SSM operation handle.
713 * @param u32Version Data layout version.
714 */
715static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
716{
717 int rc;
718
719 Log(("hwaccmR3Load:\n"));
720
721 /*
722 * Validate version.
723 */
724 if (u32Version != HWACCM_SSM_VERSION)
725 {
726 Log(("hwaccmR3Load: Invalid version u32Version=%d!\n", u32Version));
727 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
728 }
729 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.Event.fPending);
730 AssertRCReturn(rc, rc);
731 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.Event.errCode);
732 AssertRCReturn(rc, rc);
733 rc = SSMR3GetU64(pSSM, &pVM->hwaccm.s.Event.intInfo);
734 AssertRCReturn(rc, rc);
735
736 return VINF_SUCCESS;
737}
738
739
740
741
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