VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 5999

Last change on this file since 5999 was 5999, checked in by vboxsync, 17 years ago

The Giant CDDL Dual-License Header Change.
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File size: 34.1 KB
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1/* $Id: HWACCM.cpp 5999 2007-12-07 15:05:06Z 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 (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
18/*******************************************************************************
19* Header Files *
20*******************************************************************************/
21#define LOG_GROUP LOG_GROUP_HWACCM
22#include <VBox/cpum.h>
23#include <VBox/stam.h>
24#include <VBox/mm.h>
25#include <VBox/pdm.h>
26#include <VBox/pgm.h>
27#include <VBox/trpm.h>
28#include <VBox/dbgf.h>
29#include <VBox/hwacc_vmx.h>
30#include <VBox/hwacc_svm.h>
31#include "HWACCMInternal.h"
32#include <VBox/vm.h>
33#include <VBox/err.h>
34#include <VBox/param.h>
35#include <VBox/patm.h>
36#include <VBox/csam.h>
37#include <VBox/selm.h>
38
39#include <iprt/assert.h>
40#include <VBox/log.h>
41#include <iprt/asm.h>
42#include <iprt/string.h>
43#include <iprt/thread.h>
44
45
46/*******************************************************************************
47* Internal Functions *
48*******************************************************************************/
49static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM);
50static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version);
51
52
53/**
54 * Initializes the HWACCM.
55 *
56 * @returns VBox status code.
57 * @param pVM The VM to operate on.
58 */
59HWACCMR3DECL(int) HWACCMR3Init(PVM pVM)
60{
61 LogFlow(("HWACCMR3Init\n"));
62
63 /*
64 * Assert alignment and sizes.
65 */
66 AssertRelease(!(RT_OFFSETOF(VM, hwaccm.s) & 31));
67 AssertRelease(sizeof(pVM->hwaccm.s) <= sizeof(pVM->hwaccm.padding));
68
69 /* Some structure checks. */
70 AssertMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved3) == 0xC0, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved3)));
71 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject)));
72 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo)));
73 AssertMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl)));
74
75 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest)));
76 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4) == 0x4A0, ("guest.u8Reserved4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4)));
77 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6) == 0x4D8, ("guest.u8Reserved6 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6)));
78 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7) == 0x580, ("guest.u8Reserved7 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7)));
79 AssertMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9) == 0x648, ("guest.u8Reserved9 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9)));
80 AssertMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved10) == 0x698, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved10)));
81 AssertMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB)));
82
83
84 /*
85 * Register the saved state data unit.
86 */
87 int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM),
88 NULL, hwaccmR3Save, NULL,
89 NULL, hwaccmR3Load, NULL);
90 if (VBOX_FAILURE(rc))
91 return rc;
92
93 /** @todo Make sure both pages are either not accessible or readonly! */
94 /* Allocate one page for VMXON. */
95 pVM->hwaccm.s.vmx.pVMXON = SUPContAlloc(1, &pVM->hwaccm.s.vmx.pVMXONPhys);
96 if (pVM->hwaccm.s.vmx.pVMXON == 0)
97 {
98 AssertMsgFailed(("SUPContAlloc failed!!\n"));
99 return VERR_NO_MEMORY;
100 }
101 memset(pVM->hwaccm.s.vmx.pVMXON, 0, PAGE_SIZE);
102
103 /* Allocate one page for the VM control structure (VMCS). */
104 pVM->hwaccm.s.vmx.pVMCS = SUPContAlloc(1, &pVM->hwaccm.s.vmx.pVMCSPhys);
105 if (pVM->hwaccm.s.vmx.pVMCS == 0)
106 {
107 AssertMsgFailed(("SUPContAlloc failed!!\n"));
108 return VERR_NO_MEMORY;
109 }
110 memset(pVM->hwaccm.s.vmx.pVMCS, 0, PAGE_SIZE);
111
112 /* Allocate one page for the TSS we need for real mode emulation. */
113 pVM->hwaccm.s.vmx.pRealModeTSS = (PVBOXTSS)SUPContAlloc(1, &pVM->hwaccm.s.vmx.pRealModeTSSPhys);
114 if (pVM->hwaccm.s.vmx.pRealModeTSS == 0)
115 {
116 AssertMsgFailed(("SUPContAlloc failed!!\n"));
117 return VERR_NO_MEMORY;
118 }
119 /* We initialize it properly later as we can reuse it for SVM */
120 memset(pVM->hwaccm.s.vmx.pRealModeTSS, 0, PAGE_SIZE);
121
122 /* Reuse those three pages for AMD SVM. (one is active; never both) */
123 pVM->hwaccm.s.svm.pHState = pVM->hwaccm.s.vmx.pVMXON;
124 pVM->hwaccm.s.svm.pHStatePhys = pVM->hwaccm.s.vmx.pVMXONPhys;
125 pVM->hwaccm.s.svm.pVMCB = pVM->hwaccm.s.vmx.pVMCS;
126 pVM->hwaccm.s.svm.pVMCBPhys = pVM->hwaccm.s.vmx.pVMCSPhys;
127 pVM->hwaccm.s.svm.pVMCBHost = pVM->hwaccm.s.vmx.pRealModeTSS;
128 pVM->hwaccm.s.svm.pVMCBHostPhys = pVM->hwaccm.s.vmx.pRealModeTSSPhys;
129
130 /* Allocate 12 KB for the IO bitmap (doesn't seem to be a way to convince SVM not to use it) */
131 pVM->hwaccm.s.svm.pIOBitmap = SUPContAlloc(3, &pVM->hwaccm.s.svm.pIOBitmapPhys);
132 if (pVM->hwaccm.s.svm.pIOBitmap == 0)
133 {
134 AssertMsgFailed(("SUPContAlloc failed!!\n"));
135 return VERR_NO_MEMORY;
136 }
137 /* Set all bits to intercept all IO accesses. */
138 memset(pVM->hwaccm.s.svm.pIOBitmap, 0xff, PAGE_SIZE*3);
139
140 /* Allocate 8 KB for the MSR bitmap (doesn't seem to be a way to convince SVM not to use it) */
141 pVM->hwaccm.s.svm.pMSRBitmap = SUPContAlloc(2, &pVM->hwaccm.s.svm.pMSRBitmapPhys);
142 if (pVM->hwaccm.s.svm.pMSRBitmap == 0)
143 {
144 AssertMsgFailed(("SUPContAlloc failed!!\n"));
145 return VERR_NO_MEMORY;
146 }
147 /* Set all bits to intercept all MSR accesses. */
148 memset(pVM->hwaccm.s.svm.pMSRBitmap, 0xff, PAGE_SIZE*2);
149
150 /* Misc initialisation. */
151 pVM->hwaccm.s.vmx.fSupported = false;
152 pVM->hwaccm.s.svm.fSupported = false;
153 pVM->hwaccm.s.vmx.fEnabled = false;
154 pVM->hwaccm.s.svm.fEnabled = false;
155
156 pVM->hwaccm.s.fActive = false;
157
158 /* On first entry we'll sync everything. */
159 pVM->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
160
161 pVM->hwaccm.s.vmx.cr0_mask = 0;
162 pVM->hwaccm.s.vmx.cr4_mask = 0;
163
164 /*
165 * Statistics.
166 */
167 STAM_REG(pVM, &pVM->hwaccm.s.StatEntry, STAMTYPE_PROFILE, "/PROF/HWACCM/SwitchToGC", STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry");
168 STAM_REG(pVM, &pVM->hwaccm.s.StatExit, STAMTYPE_PROFILE, "/PROF/HWACCM/SwitchFromGC", STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit");
169 STAM_REG(pVM, &pVM->hwaccm.s.StatInGC, STAMTYPE_PROFILE, "/PROF/HWACCM/InGC", STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch");
170
171 STAM_REG(pVM, &pVM->hwaccm.s.StatExitShadowNM, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Shadow/#NM", STAMUNIT_OCCURENCES, "Nr of occurances");
172 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestNM, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#NM", STAMUNIT_OCCURENCES, "Nr of occurances");
173 STAM_REG(pVM, &pVM->hwaccm.s.StatExitShadowPF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Shadow/#PF", STAMUNIT_OCCURENCES, "Nr of occurances");
174 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestPF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#PF", STAMUNIT_OCCURENCES, "Nr of occurances");
175 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestUD, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#UD", STAMUNIT_OCCURENCES, "Nr of occurances");
176 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestSS, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#SS", STAMUNIT_OCCURENCES, "Nr of occurances");
177 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestNP, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#NP", STAMUNIT_OCCURENCES, "Nr of occurances");
178 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestGP, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#GP", STAMUNIT_OCCURENCES, "Nr of occurances");
179 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestMF, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#MF", STAMUNIT_OCCURENCES, "Nr of occurances");
180 STAM_REG(pVM, &pVM->hwaccm.s.StatExitGuestDE, STAMTYPE_COUNTER, "/HWACCM/Exit/Trap/Guest/#DE", STAMUNIT_OCCURENCES, "Nr of occurances");
181 STAM_REG(pVM, &pVM->hwaccm.s.StatExitInvpg, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Invlpg", STAMUNIT_OCCURENCES, "Nr of occurances");
182 STAM_REG(pVM, &pVM->hwaccm.s.StatExitInvd, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Invd", STAMUNIT_OCCURENCES, "Nr of occurances");
183 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCpuid, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Cpuid", STAMUNIT_OCCURENCES, "Nr of occurances");
184 STAM_REG(pVM, &pVM->hwaccm.s.StatExitRdtsc, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/Rdtsc", STAMUNIT_OCCURENCES, "Nr of occurances");
185 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCRxWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CRx/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
186 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCRxRead, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CRx/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
187 STAM_REG(pVM, &pVM->hwaccm.s.StatExitDRxWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/DRx/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
188 STAM_REG(pVM, &pVM->hwaccm.s.StatExitDRxRead, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/DRx/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
189 STAM_REG(pVM, &pVM->hwaccm.s.StatExitCLTS, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/CLTS", STAMUNIT_OCCURENCES, "Nr of occurances");
190 STAM_REG(pVM, &pVM->hwaccm.s.StatExitLMSW, STAMTYPE_COUNTER, "/HWACCM/Exit/Instr/LMSW", STAMUNIT_OCCURENCES, "Nr of occurances");
191 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/Write", STAMUNIT_OCCURENCES, "Nr of occurances");
192 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIORead, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/Read", STAMUNIT_OCCURENCES, "Nr of occurances");
193 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOStringWrite, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/WriteString", STAMUNIT_OCCURENCES, "Nr of occurances");
194 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIOStringRead, STAMTYPE_COUNTER, "/HWACCM/Exit/IO/ReadString", STAMUNIT_OCCURENCES, "Nr of occurances");
195 STAM_REG(pVM, &pVM->hwaccm.s.StatExitIrqWindow, STAMTYPE_COUNTER, "/HWACCM/Exit/GuestIrq/Pending", STAMUNIT_OCCURENCES, "Nr of occurances");
196 STAM_REG(pVM, &pVM->hwaccm.s.StatExitMaxResume, STAMTYPE_COUNTER, "/HWACCM/Exit/Safety/MaxResume", STAMUNIT_OCCURENCES, "Nr of occurances");
197
198 STAM_REG(pVM, &pVM->hwaccm.s.StatSwitchGuestIrq,STAMTYPE_COUNTER, "/HWACCM/Switch/IrqPending", STAMUNIT_OCCURENCES, "Nr of occurances");
199 STAM_REG(pVM, &pVM->hwaccm.s.StatSwitchToR3, STAMTYPE_COUNTER, "/HWACCM/Switch/ToR3", STAMUNIT_OCCURENCES, "Nr of occurances");
200
201 STAM_REG(pVM, &pVM->hwaccm.s.StatIntInject, STAMTYPE_COUNTER, "/HWACCM/Irq/Inject", STAMUNIT_OCCURENCES, "Nr of occurances");
202 STAM_REG(pVM, &pVM->hwaccm.s.StatIntReinject, STAMTYPE_COUNTER, "/HWACCM/Irq/Reinject", STAMUNIT_OCCURENCES, "Nr of occurances");
203 STAM_REG(pVM, &pVM->hwaccm.s.StatPendingHostIrq,STAMTYPE_COUNTER, "/HWACCM/Irq/PendingOnHost", STAMUNIT_OCCURENCES, "Nr of occurances");
204
205 pVM->hwaccm.s.pStatExitReason = 0;
206
207#ifdef VBOX_WITH_STATISTICS
208 rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVM->hwaccm.s.pStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVM->hwaccm.s.pStatExitReason);
209 AssertRC(rc);
210 if (VBOX_SUCCESS(rc))
211 {
212 for (int i=0;i<MAX_EXITREASON_STAT;i++)
213 {
214 char szName[64];
215 RTStrPrintf(szName, sizeof(szName), "/HWACCM/Exit/Reason/%02x", i);
216 int rc = STAMR3Register(pVM, &pVM->hwaccm.s.pStatExitReason[i], STAMTYPE_COUNTER, STAMVISIBILITY_USED, szName, STAMUNIT_OCCURENCES, "Exit reason");
217 AssertRC(rc);
218 }
219 }
220 pVM->hwaccm.s.pStatExitReasonR0 = MMHyperR3ToR0(pVM, pVM->hwaccm.s.pStatExitReason);
221 Assert(pVM->hwaccm.s.pStatExitReasonR0);
222#endif
223
224 /* Disabled by default. */
225 pVM->fHWACCMEnabled = false;
226
227 /* HWACCM support must be explicitely enabled in the configuration file. */
228 pVM->hwaccm.s.fAllowed = false;
229 CFGMR3QueryBool(CFGMR3GetChild(CFGMR3GetRoot(pVM), "HWVirtExt/"), "Enabled", &pVM->hwaccm.s.fAllowed);
230
231 return VINF_SUCCESS;
232}
233
234
235/**
236 * Turns off normal raw mode features
237 *
238 * @param pVM The VM to operate on.
239 */
240static void hwaccmr3DisableRawMode(PVM pVM)
241{
242 /* Disable PATM & CSAM. */
243 PATMR3AllowPatching(pVM, false);
244 CSAMDisableScanning(pVM);
245
246 /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
247 SELMR3DisableMonitoring(pVM);
248 TRPMR3DisableMonitoring(pVM);
249
250 /* The hidden selector registers are now valid. */
251 CPUMSetHiddenSelRegsValid(pVM, true);
252
253 /* Disable the switcher code (safety precaution). */
254 VMMR3DisableSwitcher(pVM);
255
256 /* Disable mapping of the hypervisor into the shadow page table. */
257 PGMR3ChangeShwPDMappings(pVM, false);
258
259 /* Disable the switcher */
260 VMMR3DisableSwitcher(pVM);
261}
262
263/**
264 * Applies relocations to data and code managed by this
265 * component. This function will be called at init and
266 * whenever the VMM need to relocate it self inside the GC.
267 *
268 * @param pVM The VM.
269 */
270HWACCMR3DECL(void) HWACCMR3Relocate(PVM pVM)
271{
272#ifdef LOG_ENABLED
273 Log(("HWACCMR3Relocate to %VGv\n", MMHyperGetArea(pVM, 0)));
274#endif
275
276 if (pVM->hwaccm.s.fAllowed == false)
277 return ;
278
279 if (pVM->hwaccm.s.vmx.fSupported)
280 {
281 Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
282
283 if ( pVM->hwaccm.s.fInitialized == false
284 && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
285 {
286 uint64_t val;
287
288 LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
289 LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %VX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
290 LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
291 LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
292 LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
293 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"));
294 LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
295 LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
296
297 LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls));
298 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls >> 32ULL;
299 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
300 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
301 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
302 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
303 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls;
304 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
305 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n"));
306 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
307 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n"));
308
309 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls));
310 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls >> 32ULL;
311 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
312 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
313 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
314 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
315 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
316 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
317 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
318 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
319 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
320 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
321 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
322 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
323 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
324 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
325 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
326 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
327 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
328 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
329 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
330 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
331 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
332 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
333 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
334 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
335 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
336 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
337 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
338 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
339 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
340 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
341 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
342 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
343 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls;
344 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
345 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n"));
346 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
347 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n"));
348 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
349 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n"));
350 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
351 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n"));
352 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
353 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n"));
354 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
355 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n"));
356 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
357 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n"));
358 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
359 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n"));
360 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
361 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n"));
362 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
363 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n"));
364 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
365 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n"));
366 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
367 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n"));
368 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
369 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n"));
370 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
371 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n"));
372 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
373 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n"));
374 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
375 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n"));
376
377 LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry));
378 val = pVM->hwaccm.s.vmx.msr.vmx_entry >> 32ULL;
379 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
380 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
381 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
382 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
383 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
384 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
385 val = pVM->hwaccm.s.vmx.msr.vmx_entry;
386 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
387 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n"));
388 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
389 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n"));
390 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
391 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n"));
392
393 LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit));
394 val = pVM->hwaccm.s.vmx.msr.vmx_exit >> 32ULL;
395 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
396 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
397 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
398 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
399 val = pVM->hwaccm.s.vmx.msr.vmx_exit;
400 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
401 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n"));
402 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
403 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n"));
404
405 LogRel(("HWACCM: MSR_IA32_VMX_MISC = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
406 LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
407 LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
408 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
409 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
410
411 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
412 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
413 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
414 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
415 LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %VX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
416
417 /* Only try once. */
418 pVM->hwaccm.s.fInitialized = true;
419
420 /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. Outside the TSS on purpose; the CPU will not check it
421 * for I/O operations. */
422 pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
423 /* Bit set to 0 means redirection enabled. */
424 memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
425
426 int rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
427 AssertRC(rc);
428 if (rc == VINF_SUCCESS)
429 {
430 hwaccmr3DisableRawMode(pVM);
431
432 pVM->fHWACCMEnabled = true;
433 pVM->hwaccm.s.vmx.fEnabled = true;
434 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
435 LogRel(("HWACCM: VMX enabled!\n"));
436 }
437 else
438 {
439 LogRel(("HWACCM: VMX setup failed with rc=%Vrc!\n", rc));
440 LogRel(("HWACCM: Last instruction error %x\n", pVM->hwaccm.s.vmx.ulLastInstrError));
441 pVM->fHWACCMEnabled = false;
442 }
443 }
444 }
445 else
446 if (pVM->hwaccm.s.svm.fSupported)
447 {
448 Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
449
450 if (pVM->hwaccm.s.fInitialized == false)
451 {
452 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %VX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
453 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %VX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
454 LogRel(("HWACCM: SVM revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
455 LogRel(("HWACCM: SVM max ASID = %d\n", pVM->hwaccm.s.svm.u32MaxASID));
456
457 /* Only try once. */
458 pVM->hwaccm.s.fInitialized = true;
459
460 int rc = SUPCallVMMR0Ex(pVM->pVMR0, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
461 AssertRC(rc);
462 if (rc == VINF_SUCCESS)
463 {
464 hwaccmr3DisableRawMode(pVM);
465 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
466
467 pVM->fHWACCMEnabled = true;
468 pVM->hwaccm.s.svm.fEnabled = true;
469 }
470 else
471 {
472 pVM->fHWACCMEnabled = false;
473 }
474 }
475 }
476 else
477 if (pVM->hwaccm.s.fHWACCMR0Init)
478 {
479 LogRel(("HWACCM: No VMX or SVM CPU extension found. Reason %Vrc\n", pVM->hwaccm.s.lLastError));
480 LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%VX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
481 }
482
483}
484
485
486/**
487 * Checks hardware accelerated raw mode is allowed.
488 *
489 * @returns boolean
490 * @param pVM The VM to operate on.
491 */
492HWACCMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
493{
494 return pVM->hwaccm.s.fAllowed;
495}
496
497
498/**
499 * Notification callback which is called whenever there is a chance that a CR3
500 * value might have changed.
501 * This is called by PGM.
502 *
503 * @param pVM The VM to operate on.
504 * @param enmShadowMode New paging mode.
505 */
506HWACCMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PGMMODE enmShadowMode)
507{
508 pVM->hwaccm.s.enmShadowMode = enmShadowMode;
509}
510
511/**
512 * Terminates the HWACCM.
513 *
514 * Termination means cleaning up and freeing all resources,
515 * the VM it self is at this point powered off or suspended.
516 *
517 * @returns VBox status code.
518 * @param pVM The VM to operate on.
519 */
520HWACCMR3DECL(int) HWACCMR3Term(PVM pVM)
521{
522 if (pVM->hwaccm.s.pStatExitReason)
523 {
524 MMHyperFree(pVM, pVM->hwaccm.s.pStatExitReason);
525 pVM->hwaccm.s.pStatExitReason = 0;
526 }
527
528 if (pVM->hwaccm.s.vmx.pVMXON)
529 {
530 SUPContFree(pVM->hwaccm.s.vmx.pVMXON, 1);
531 pVM->hwaccm.s.vmx.pVMXON = 0;
532 }
533 if (pVM->hwaccm.s.vmx.pVMCS)
534 {
535 SUPContFree(pVM->hwaccm.s.vmx.pVMCS, 1);
536 pVM->hwaccm.s.vmx.pVMCS = 0;
537 }
538 if (pVM->hwaccm.s.vmx.pRealModeTSS)
539 {
540 SUPContFree(pVM->hwaccm.s.vmx.pRealModeTSS, 1);
541 pVM->hwaccm.s.vmx.pRealModeTSS = 0;
542 }
543 if (pVM->hwaccm.s.svm.pIOBitmap)
544 {
545 SUPContFree(pVM->hwaccm.s.svm.pIOBitmap, 3);
546 pVM->hwaccm.s.svm.pIOBitmap = 0;
547 }
548 if (pVM->hwaccm.s.svm.pMSRBitmap)
549 {
550 SUPContFree(pVM->hwaccm.s.svm.pMSRBitmap, 2);
551 pVM->hwaccm.s.svm.pMSRBitmap = 0;
552 }
553 return 0;
554}
555
556
557/**
558 * The VM is being reset.
559 *
560 * For the HWACCM component this means that any GDT/LDT/TSS monitors
561 * needs to be removed.
562 *
563 * @param pVM VM handle.
564 */
565HWACCMR3DECL(void) HWACCMR3Reset(PVM pVM)
566{
567 LogFlow(("HWACCMR3Reset:\n"));
568
569 if (pVM->fHWACCMEnabled)
570 hwaccmr3DisableRawMode(pVM);
571
572 /* On first entry we'll sync everything. */
573 pVM->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
574
575 pVM->hwaccm.s.vmx.cr0_mask = 0;
576 pVM->hwaccm.s.vmx.cr4_mask = 0;
577
578 pVM->hwaccm.s.Event.fPending = false;
579}
580
581/**
582 * Checks if we can currently use hardware accelerated raw mode.
583 *
584 * @returns boolean
585 * @param pVM The VM to operate on.
586 * @param pCtx Partial VM execution context
587 */
588HWACCMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
589{
590 uint32_t mask;
591
592 Assert(pVM->fHWACCMEnabled);
593
594 /* AMD SVM supports real & protected mode with or without paging. */
595 if (pVM->hwaccm.s.svm.fEnabled)
596 {
597 pVM->hwaccm.s.fActive = true;
598 return true;
599 }
600
601 /* @todo we can support real-mode by using v86 and protected mode without paging with identity mapped pages.
602 * (but do we really care?)
603 */
604
605 pVM->hwaccm.s.fActive = false;
606
607 /** @note The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
608
609#ifndef HWACCM_VMX_EMULATE_ALL
610 /* Too early for VMX. */
611 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr == 0)
612 return false;
613
614 /* The guest is about to complete the switch to protected mode. Wait a bit longer. */
615 if (pCtx->csHid.Attr.n.u1Present == 0)
616 return false;
617 if (pCtx->ssHid.Attr.n.u1Present == 0)
618 return false;
619
620 /** @todo if we remove this check, then Windows XP install fails during the textmode phase */
621 if (!(pCtx->cr0 & X86_CR0_WRITE_PROTECT))
622 return false;
623#endif
624
625 if (pVM->hwaccm.s.vmx.fEnabled)
626 {
627 /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
628 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
629 /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
630 mask &= ~X86_CR0_NE;
631#ifdef HWACCM_VMX_EMULATE_ALL
632 /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
633 mask &= ~(X86_CR0_PG|X86_CR0_PE);
634#endif
635 if ((pCtx->cr0 & mask) != mask)
636 return false;
637
638 /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
639 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
640 if ((pCtx->cr0 & mask) != 0)
641 return false;
642
643 /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
644 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
645 mask &= ~X86_CR4_VMXE;
646 if ((pCtx->cr4 & mask) != mask)
647 return false;
648
649 /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
650 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
651 if ((pCtx->cr4 & mask) != 0)
652 return false;
653
654 pVM->hwaccm.s.fActive = true;
655 return true;
656 }
657
658 return false;
659}
660
661/**
662 * Checks if we are currently using hardware accelerated raw mode.
663 *
664 * @returns boolean
665 * @param pVM The VM to operate on.
666 */
667HWACCMR3DECL(bool) HWACCMR3IsActive(PVM pVM)
668{
669 return pVM->hwaccm.s.fActive;
670}
671
672/**
673 * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
674 *
675 * @returns boolean
676 * @param pVM The VM to operate on.
677 */
678HWACCMR3DECL(bool) HWACCMR3IsEventPending(PVM pVM)
679{
680 return HWACCMIsEnabled(pVM) && pVM->hwaccm.s.Event.fPending;
681}
682
683/**
684 * Execute state save operation.
685 *
686 * @returns VBox status code.
687 * @param pVM VM Handle.
688 * @param pSSM SSM operation handle.
689 */
690static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
691{
692 int rc;
693
694 Log(("hwaccmR3Save:\n"));
695
696 /*
697 * Save the basic bits - fortunately all the other things can be resynced on load.
698 */
699 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.Event.fPending);
700 AssertRCReturn(rc, rc);
701 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.Event.errCode);
702 AssertRCReturn(rc, rc);
703 rc = SSMR3PutU64(pSSM, pVM->hwaccm.s.Event.intInfo);
704 AssertRCReturn(rc, rc);
705
706 return VINF_SUCCESS;
707}
708
709
710/**
711 * Execute state load operation.
712 *
713 * @returns VBox status code.
714 * @param pVM VM Handle.
715 * @param pSSM SSM operation handle.
716 * @param u32Version Data layout version.
717 */
718static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
719{
720 int rc;
721
722 Log(("hwaccmR3Load:\n"));
723
724 /*
725 * Validate version.
726 */
727 if (u32Version != HWACCM_SSM_VERSION)
728 {
729 Log(("hwaccmR3Load: Invalid version u32Version=%d!\n", u32Version));
730 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
731 }
732 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.Event.fPending);
733 AssertRCReturn(rc, rc);
734 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.Event.errCode);
735 AssertRCReturn(rc, rc);
736 rc = SSMR3GetU64(pSSM, &pVM->hwaccm.s.Event.intInfo);
737 AssertRCReturn(rc, rc);
738
739 return VINF_SUCCESS;
740}
741
742
743
744
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