VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 4000

Last change on this file since 4000 was 4000, checked in by vboxsync, 17 years ago

uint32_t -> int32_t

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File size: 34.1 KB
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1/* $Id: HWACCM.cpp 4000 2007-08-02 11:27:42Z 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
49
50/*******************************************************************************
51* Internal Functions *
52*******************************************************************************/
53static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM);
54static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version);
55
56
57/**
58 * Initializes the HWACCM.
59 *
60 * @returns VBox status code.
61 * @param pVM The VM to operate on.
62 */
63HWACCMR3DECL(int) HWACCMR3Init(PVM pVM)
64{
65 LogFlow(("HWACCMR3Init\n"));
66
67 /*
68 * Assert alignment and sizes.
69 */
70 AssertRelease(!(RT_OFFSETOF(VM, hwaccm.s) & 31));
71 AssertRelease(sizeof(pVM->hwaccm.s) <= sizeof(pVM->hwaccm.padding));
72
73 /* Some structure checks. */
74 AssertMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved3) == 0xC0, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved3)));
75 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject)));
76 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo)));
77 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl)));
78
79 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest)));
80 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4) == 0x4A0, ("guest.u8Reserved4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4)));
81 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6) == 0x4D8, ("guest.u8Reserved6 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6)));
82 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7) == 0x580, ("guest.u8Reserved7 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7)));
83 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9) == 0x648, ("guest.u8Reserved9 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9)));
84 AssertMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved10) == 0x698, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved10)));
85 AssertMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB)));
86
87
88 /*
89 * Register the saved state data unit.
90 */
91 int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM),
92 NULL, hwaccmR3Save, NULL,
93 NULL, hwaccmR3Load, NULL);
94 if (VBOX_FAILURE(rc))
95 return rc;
96
97 /** @todo Make sure both pages are either not accessible or readonly! */
98 /* Allocate one page for VMXON. */
99 pVM->hwaccm.s.vmx.pVMXON = SUPContAlloc(1, &pVM->hwaccm.s.vmx.pVMXONPhys);
100 if (pVM->hwaccm.s.vmx.pVMXON == 0)
101 {
102 AssertMsgFailed(("SUPContAlloc failed!!\n"));
103 return VERR_NO_MEMORY;
104 }
105 memset(pVM->hwaccm.s.vmx.pVMXON, 0, PAGE_SIZE);
106
107 /* Allocate one page for the VM control structure (VMCS). */
108 pVM->hwaccm.s.vmx.pVMCS = SUPContAlloc(1, &pVM->hwaccm.s.vmx.pVMCSPhys);
109 if (pVM->hwaccm.s.vmx.pVMCS == 0)
110 {
111 AssertMsgFailed(("SUPContAlloc failed!!\n"));
112 return VERR_NO_MEMORY;
113 }
114 memset(pVM->hwaccm.s.vmx.pVMCS, 0, PAGE_SIZE);
115
116 /* Allocate one page for the TSS we need for real mode emulation. */
117 pVM->hwaccm.s.vmx.pRealModeTSS = (PVBOXTSS)SUPContAlloc(1, &pVM->hwaccm.s.vmx.pRealModeTSSPhys);
118 if (pVM->hwaccm.s.vmx.pRealModeTSS == 0)
119 {
120 AssertMsgFailed(("SUPContAlloc failed!!\n"));
121 return VERR_NO_MEMORY;
122 }
123 /* We initialize it properly later as we can reuse it for SVM */
124 memset(pVM->hwaccm.s.vmx.pRealModeTSS, 0, PAGE_SIZE);
125
126 /* Reuse those three pages for AMD SVM. (one is active; never both) */
127 pVM->hwaccm.s.svm.pHState = pVM->hwaccm.s.vmx.pVMXON;
128 pVM->hwaccm.s.svm.pHStatePhys = pVM->hwaccm.s.vmx.pVMXONPhys;
129 pVM->hwaccm.s.svm.pVMCB = pVM->hwaccm.s.vmx.pVMCS;
130 pVM->hwaccm.s.svm.pVMCBPhys = pVM->hwaccm.s.vmx.pVMCSPhys;
131 pVM->hwaccm.s.svm.pVMCBHost = pVM->hwaccm.s.vmx.pRealModeTSS;
132 pVM->hwaccm.s.svm.pVMCBHostPhys = pVM->hwaccm.s.vmx.pRealModeTSSPhys;
133
134 /* Allocate 12 KB for the IO bitmap (doesn't seem to be a way to convince SVM not to use it) */
135 pVM->hwaccm.s.svm.pIOBitmap = SUPContAlloc(3, &pVM->hwaccm.s.svm.pIOBitmapPhys);
136 if (pVM->hwaccm.s.svm.pIOBitmap == 0)
137 {
138 AssertMsgFailed(("SUPContAlloc failed!!\n"));
139 return VERR_NO_MEMORY;
140 }
141 /* Set all bits to intercept all IO accesses. */
142 memset(pVM->hwaccm.s.svm.pIOBitmap, 0xff, PAGE_SIZE*3);
143
144 /* Allocate 8 KB for the MSR bitmap (doesn't seem to be a way to convince SVM not to use it) */
145 pVM->hwaccm.s.svm.pMSRBitmap = SUPContAlloc(2, &pVM->hwaccm.s.svm.pMSRBitmapPhys);
146 if (pVM->hwaccm.s.svm.pMSRBitmap == 0)
147 {
148 AssertMsgFailed(("SUPContAlloc failed!!\n"));
149 return VERR_NO_MEMORY;
150 }
151 /* Set all bits to intercept all MSR accesses. */
152 memset(pVM->hwaccm.s.svm.pMSRBitmap, 0xff, PAGE_SIZE*2);
153
154 /* Misc initialisation. */
155 pVM->hwaccm.s.vmx.fSupported = false;
156 pVM->hwaccm.s.svm.fSupported = false;
157 pVM->hwaccm.s.vmx.fEnabled = false;
158 pVM->hwaccm.s.svm.fEnabled = false;
159
160 pVM->hwaccm.s.fActive = false;
161
162 /* On first entry we'll sync everything. */
163 pVM->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
164
165 pVM->hwaccm.s.vmx.cr0_mask = 0;
166 pVM->hwaccm.s.vmx.cr4_mask = 0;
167
168 /*
169 * Statistics.
170 */
171 STAM_REG(pVM, &pVM->hwaccm.s.StatEntry, STAMTYPE_PROFILE, "/PROF/HWACCM/SwitchToGC", STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry");
172 STAM_REG(pVM, &pVM->hwaccm.s.StatExit, STAMTYPE_PROFILE, "/PROF/HWACCM/SwitchFromGC", STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit");
173 STAM_REG(pVM, &pVM->hwaccm.s.StatInGC, STAMTYPE_PROFILE, "/PROF/HWACCM/InGC", STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch");
174
175 STAM_REG(pVM, &pVM->hwaccm.s.StatExitShadowNM, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Shadow/#NM", STAMUNIT_OCCURENCES, "Nr of occurances");
176 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestNM, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#NM", STAMUNIT_OCCURENCES, "Nr of occurances");
177 STAM_REG(pVM, &pVM->hwaccm.s.StatExitShadowPF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Shadow/#PF", STAMUNIT_OCCURENCES, "Nr of occurances");
178 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestPF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#PF", STAMUNIT_OCCURENCES, "Nr of occurances");
179 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestUD, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#UD", STAMUNIT_OCCURENCES, "Nr of occurances");
180 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestSS, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#SS", STAMUNIT_OCCURENCES, "Nr of occurances");
181 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestNP, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#NP", STAMUNIT_OCCURENCES, "Nr of occurances");
182 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestGP, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#GP", STAMUNIT_OCCURENCES, "Nr of occurances");
183 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestMF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#MF", STAMUNIT_OCCURENCES, "Nr of occurances");
184 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestDE, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#DE", STAMUNIT_OCCURENCES, "Nr of occurances");
185 STAM_REG(pVM, &pVM->hwaccm.s.StatExitInvpg, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Invlpg", STAMUNIT_OCCURENCES, "Nr of occurances");
186 STAM_REG(pVM, &pVM->hwaccm.s.StatExitInvd, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Invd", STAMUNIT_OCCURENCES, "Nr of occurances");
187 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCpuid, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Cpuid", STAMUNIT_OCCURENCES, "Nr of occurances");
188 STAM_REG(pVM, &pVM->hwaccm.s.StatExitRdtsc, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Rdtsc", STAMUNIT_OCCURENCES, "Nr of occurances");
189 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCRxWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CRx/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
190 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCRxRead, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CRx/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
191 STAM_REG(pVM, &pVM->hwaccm.s.StatExitDRxWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/DRx/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
192 STAM_REG(pVM, &pVM->hwaccm.s.StatExitDRxRead, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/DRx/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
193 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCLTS, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CLTS", STAMUNIT_OCCURENCES, "Nr of occurances");
194 STAM_REG(pVM, &pVM->hwaccm.s.StatExitLMSW, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/LMSW", STAMUNIT_OCCURENCES, "Nr of occurances");
195 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
196 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIORead, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
197 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOStringWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/WriteString", STAMUNIT_OCCURENCES, "Nr of occurances");
198 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOStringRead, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/ReadString", STAMUNIT_OCCURENCES, "Nr of occurances");
199 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIrqWindow, STAMTYPE_COUNTER, "/HWACCM/Exit/GuestIrq/Pending", STAMUNIT_OCCURENCES, "Nr of occurances");
200
201 STAM_REG(pVM, &pVM->hwaccm.s.StatSwitchGuestIrq,STAMTYPE_COUNTER, "/HWACCM/Switch/IrqPending", STAMUNIT_OCCURENCES, "Nr of occurances");
202 STAM_REG(pVM, &pVM->hwaccm.s.StatSwitchToR3, STAMTYPE_COUNTER, "/HWACCM/Switch/ToR3", STAMUNIT_OCCURENCES, "Nr of occurances");
203
204 STAM_REG(pVM, &pVM->hwaccm.s.StatIntInject, STAMTYPE_COUNTER, "/HWACCM/Irq/Inject", STAMUNIT_OCCURENCES, "Nr of occurances");
205 STAM_REG(pVM, &pVM->hwaccm.s.StatIntReinject, STAMTYPE_COUNTER, "/HWACCM/Irq/Reinject", STAMUNIT_OCCURENCES, "Nr of occurances");
206 STAM_REG(pVM, &pVM->hwaccm.s.StatPendingHostIrq,STAMTYPE_COUNTER, "/HWACCM/Irq/PendingOnHost", STAMUNIT_OCCURENCES, "Nr of occurances");
207
208 pVM->hwaccm.s.pStatExitReason = 0;
209
210#ifdef VBOX_WITH_STATISTICS
211 rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVM->hwaccm.s.pStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVM->hwaccm.s.pStatExitReason);
212 AssertRC(rc);
213 if (VBOX_SUCCESS(rc))
214 {
215 for (int i=0;i<MAX_EXITREASON_STAT;i++)
216 {
217 char szName[64];
218 RTStrPrintf(szName, sizeof(szName), "/HWACCM/Exit/Reason/%02x", i);
219 int rc = STAMR3Register(pVM, &pVM->hwaccm.s.pStatExitReason[i], STAMTYPE_COUNTER, STAMVISIBILITY_USED, szName, STAMUNIT_OCCURENCES, "Exit reason");
220 AssertRC(rc);
221 }
222 }
223 pVM->hwaccm.s.pStatExitReasonR0 = MMHyperR3ToR0(pVM, pVM->hwaccm.s.pStatExitReason);
224 Assert(pVM->hwaccm.s.pStatExitReasonR0);
225#endif
226
227 /* Disabled by default. */
228 pVM->fHWACCMEnabled = false;
229
230 /* HWACCM support must be explicitely enabled in the configuration file. */
231 pVM->hwaccm.s.fAllowed = false;
232 CFGMR3QueryBool(CFGMR3GetChild(CFGMR3GetRoot(pVM), "HWVirtExt/"), "Enabled", &pVM->hwaccm.s.fAllowed);
233
234 return VINF_SUCCESS;
235}
236
237
238/**
239 * Turns off normal raw mode features
240 *
241 * @param pVM The VM to operate on.
242 */
243static void hwaccmr3DisableRawMode(PVM pVM)
244{
245 /* Disable PATM & CSAM. */
246 PATMR3AllowPatching(pVM, false);
247 CSAMDisableScanning(pVM);
248
249 /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
250 SELMR3DisableMonitoring(pVM);
251 TRPMR3DisableMonitoring(pVM);
252
253 /* The hidden selector registers are now valid. */
254 CPUMSetHiddenSelRegsValid(pVM, true);
255
256 /* Disable the switcher code (safety precaution). */
257 VMMR3DisableSwitcher(pVM);
258
259 /* Disable mapping of the hypervisor into the shadow page table. */
260 PGMR3ChangeShwPDMappings(pVM, false);
261
262 /* Disable the switcher */
263 VMMR3DisableSwitcher(pVM);
264}
265
266/**
267 * Applies relocations to data and code managed by this
268 * component. This function will be called at init and
269 * whenever the VMM need to relocate it self inside the GC.
270 *
271 * @param pVM The VM.
272 */
273HWACCMR3DECL(void) HWACCMR3Relocate(PVM pVM)
274{
275#ifdef LOG_ENABLED
276 Log(("HWACCMR3Relocate to %VGv\n", MMHyperGetArea(pVM, 0)));
277#endif
278
279 if (pVM->hwaccm.s.fAllowed == false)
280 return ;
281
282 if (pVM->hwaccm.s.vmx.fSupported)
283 {
284 Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
285
286 if ( pVM->hwaccm.s.fInitialized == false
287 && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
288 {
289 uint64_t val;
290
291 LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
292 LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %VX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
293 LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
294 LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
295 LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
296 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"));
297 LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
298 LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
299
300 LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls));
301 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls >> 32ULL;
302 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
303 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
304 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
305 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
306 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls;
307 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
308 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n"));
309 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
310 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n"));
311
312 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls));
313 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls >> 32ULL;
314 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
315 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
316 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
317 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
318 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
319 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
320 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
321 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
322 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
323 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
324 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
325 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
326 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
327 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
328 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
329 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
330 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
331 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
332 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
333 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
334 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
335 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
336 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
337 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
338 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
339 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
340 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
341 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
342 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
343 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
344 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
345 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
346 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls;
347 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
348 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n"));
349 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
350 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n"));
351 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
352 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n"));
353 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
354 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n"));
355 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
356 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n"));
357 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
358 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n"));
359 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
360 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n"));
361 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
362 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n"));
363 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
364 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n"));
365 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
366 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n"));
367 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
368 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n"));
369 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
370 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n"));
371 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
372 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n"));
373 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
374 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n"));
375 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
376 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n"));
377 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
378 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n"));
379
380 LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry));
381 val = pVM->hwaccm.s.vmx.msr.vmx_entry >> 32ULL;
382 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
383 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
384 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
385 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
386 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
387 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
388 val = pVM->hwaccm.s.vmx.msr.vmx_entry;
389 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
390 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n"));
391 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
392 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n"));
393 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
394 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n"));
395
396 LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit));
397 val = pVM->hwaccm.s.vmx.msr.vmx_exit >> 32ULL;
398 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
399 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
400 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
401 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
402 val = pVM->hwaccm.s.vmx.msr.vmx_exit;
403 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
404 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n"));
405 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
406 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n"));
407
408 LogRel(("HWACCM: MSR_IA32_VMX_MISC = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
409 LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
410 LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
411 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
412 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
413
414 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
415 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
416 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
417 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
418 LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
419
420 /* Only try once. */
421 pVM->hwaccm.s.fInitialized = true;
422
423 /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. Outside the TSS on purpose; the CPU will not check it
424 * for I/O operations. */
425 pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
426 /* Bit set to 0 means redirection enabled. */
427 memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
428
429 int rc = SUPCallVMMR0(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, NULL);
430 AssertRC(rc);
431 if (rc == VINF_SUCCESS)
432 {
433 hwaccmr3DisableRawMode(pVM);
434
435 pVM->fHWACCMEnabled = true;
436 pVM->hwaccm.s.vmx.fEnabled = true;
437 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
438 LogRel(("HWACCM: VMX enabled!\n"));
439 }
440 else
441 {
442 LogRel(("HWACCM: VMX setup failed with rc=%Vrc!\n", rc));
443 LogRel(("HWACCM: Last instruction error %x\n", pVM->hwaccm.s.vmx.ulLastInstrError));
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 else
480 if (pVM->hwaccm.s.fHWACCMR0Init)
481 {
482 LogRel(("HWACCM: No VMX or SVM CPU extension found. Reason %Vrc\n", pVM->hwaccm.s.lLastError));
483 LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%VX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
484 }
485
486}
487
488
489/**
490 * Checks hardware accelerated raw mode is allowed.
491 *
492 * @returns boolean
493 * @param pVM The VM to operate on.
494 */
495HWACCMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
496{
497 return pVM->hwaccm.s.fAllowed;
498}
499
500
501/**
502 * Notification callback which is called whenever there is a chance that a CR3
503 * value might have changed.
504 * This is called by PGM.
505 *
506 * @param pVM The VM to operate on.
507 * @param enmShadowMode New paging mode.
508 */
509HWACCMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PGMMODE enmShadowMode)
510{
511 pVM->hwaccm.s.enmShadowMode = enmShadowMode;
512}
513
514/**
515 * Terminates the HWACCM.
516 *
517 * Termination means cleaning up and freeing all resources,
518 * the VM it self is at this point powered off or suspended.
519 *
520 * @returns VBox status code.
521 * @param pVM The VM to operate on.
522 */
523HWACCMR3DECL(int) HWACCMR3Term(PVM pVM)
524{
525 if (pVM->hwaccm.s.pStatExitReason)
526 {
527 MMHyperFree(pVM, pVM->hwaccm.s.pStatExitReason);
528 pVM->hwaccm.s.pStatExitReason = 0;
529 }
530
531 if (pVM->hwaccm.s.vmx.pVMXON)
532 {
533 SUPContFree(pVM->hwaccm.s.vmx.pVMXON, 1);
534 pVM->hwaccm.s.vmx.pVMXON = 0;
535 }
536 if (pVM->hwaccm.s.vmx.pVMCS)
537 {
538 SUPContFree(pVM->hwaccm.s.vmx.pVMCS, 1);
539 pVM->hwaccm.s.vmx.pVMCS = 0;
540 }
541 if (pVM->hwaccm.s.vmx.pRealModeTSS)
542 {
543 SUPContFree(pVM->hwaccm.s.vmx.pRealModeTSS, 1);
544 pVM->hwaccm.s.vmx.pRealModeTSS = 0;
545 }
546 if (pVM->hwaccm.s.svm.pIOBitmap)
547 {
548 SUPContFree(pVM->hwaccm.s.svm.pIOBitmap, 3);
549 pVM->hwaccm.s.svm.pIOBitmap = 0;
550 }
551 if (pVM->hwaccm.s.svm.pMSRBitmap)
552 {
553 SUPContFree(pVM->hwaccm.s.svm.pMSRBitmap, 2);
554 pVM->hwaccm.s.svm.pMSRBitmap = 0;
555 }
556 return 0;
557}
558
559
560/**
561 * The VM is being reset.
562 *
563 * For the HWACCM component this means that any GDT/LDT/TSS monitors
564 * needs to be removed.
565 *
566 * @param pVM VM handle.
567 */
568HWACCMR3DECL(void) HWACCMR3Reset(PVM pVM)
569{
570 LogFlow(("HWACCMR3Reset:\n"));
571
572 if (pVM->fHWACCMEnabled)
573 hwaccmr3DisableRawMode(pVM);
574
575 /* On first entry we'll sync everything. */
576 pVM->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
577
578 pVM->hwaccm.s.vmx.cr0_mask = 0;
579 pVM->hwaccm.s.vmx.cr4_mask = 0;
580
581 pVM->hwaccm.s.Event.fPending = false;
582}
583
584/**
585 * Checks if we can currently use hardware accelerated raw mode.
586 *
587 * @returns boolean
588 * @param pVM The VM to operate on.
589 * @param pCtx Partial VM execution context
590 */
591HWACCMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
592{
593 uint32_t mask;
594
595 Assert(pVM->fHWACCMEnabled);
596
597 /* AMD SVM supports real & protected mode with or without paging. */
598 if (pVM->hwaccm.s.svm.fEnabled)
599 {
600 pVM->hwaccm.s.fActive = true;
601 return true;
602 }
603
604 /* @todo we can support real-mode by using v86 and protected mode without paging with identity mapped pages.
605 * (but do we really care?)
606 */
607
608 pVM->hwaccm.s.fActive = false;
609
610 /** @note The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
611
612#ifndef HWACCM_VMX_EMULATE_ALL
613 /* Too early for VMX. */
614 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr == 0)
615 return false;
616
617 /* The guest is about to complete the switch to protected mode. Wait a bit longer. */
618 if (pCtx->csHid.Attr.n.u1Present == 0)
619 return false;
620 if (pCtx->ssHid.Attr.n.u1Present == 0)
621 return false;
622
623 /** @todo if we remove this check, then Windows XP install fails during the textmode phase */
624 if (!(pCtx->cr0 & X86_CR0_WRITE_PROTECT))
625 return false;
626#endif
627
628 if (pVM->hwaccm.s.vmx.fEnabled)
629 {
630 /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
631 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
632 /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
633 mask &= ~X86_CR0_NE;
634#ifdef HWACCM_VMX_EMULATE_ALL
635 /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
636 mask &= ~(X86_CR0_PG|X86_CR0_PE);
637#endif
638 if ((pCtx->cr0 & mask) != mask)
639 return false;
640
641 /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
642 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
643 if ((pCtx->cr0 & mask) != 0)
644 return false;
645
646 /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
647 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
648 mask &= ~X86_CR4_VMXE;
649 if ((pCtx->cr4 & mask) != mask)
650 return false;
651
652 /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
653 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
654 if ((pCtx->cr4 & mask) != 0)
655 return false;
656
657 pVM->hwaccm.s.fActive = true;
658 return true;
659 }
660
661 return false;
662}
663
664/**
665 * Checks if we are currently using hardware accelerated raw mode.
666 *
667 * @returns boolean
668 * @param pVM The VM to operate on.
669 */
670HWACCMR3DECL(bool) HWACCMR3IsActive(PVM pVM)
671{
672 return pVM->hwaccm.s.fActive;
673}
674
675/**
676 * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
677 *
678 * @returns boolean
679 * @param pVM The VM to operate on.
680 */
681HWACCMR3DECL(bool) HWACCMR3IsEventPending(PVM pVM)
682{
683 return HWACCMIsEnabled(pVM) && pVM->hwaccm.s.Event.fPending;
684}
685
686/**
687 * Execute state save operation.
688 *
689 * @returns VBox status code.
690 * @param pVM VM Handle.
691 * @param pSSM SSM operation handle.
692 */
693static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
694{
695 int rc;
696
697 Log(("hwaccmR3Save:\n"));
698
699 /*
700 * Save the basic bits - fortunately all the other things can be resynced on load.
701 */
702 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.Event.fPending);
703 AssertRCReturn(rc, rc);
704 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.Event.errCode);
705 AssertRCReturn(rc, rc);
706 rc = SSMR3PutU64(pSSM, pVM->hwaccm.s.Event.intInfo);
707 AssertRCReturn(rc, rc);
708
709 return VINF_SUCCESS;
710}
711
712
713/**
714 * Execute state load operation.
715 *
716 * @returns VBox status code.
717 * @param pVM VM Handle.
718 * @param pSSM SSM operation handle.
719 * @param u32Version Data layout version.
720 */
721static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
722{
723 int rc;
724
725 Log(("hwaccmR3Load:\n"));
726
727 /*
728 * Validate version.
729 */
730 if (u32Version != HWACCM_SSM_VERSION)
731 {
732 Log(("hwaccmR3Load: Invalid version u32Version=%d!\n", u32Version));
733 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
734 }
735 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.Event.fPending);
736 AssertRCReturn(rc, rc);
737 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.Event.errCode);
738 AssertRCReturn(rc, rc);
739 rc = SSMR3GetU64(pSSM, &pVM->hwaccm.s.Event.intInfo);
740 AssertRCReturn(rc, rc);
741
742 return VINF_SUCCESS;
743}
744
745
746
747
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