VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCMInternal.h@ 7802

Last change on this file since 7802 was 7496, checked in by vboxsync, 17 years ago

Moved VMCS allocation to ring 0.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 12.0 KB
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1/* $Id: HWACCMInternal.h 7496 2008-03-19 10:22:50Z vboxsync $ */
2/** @file
3 * HWACCM - Internal header file.
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#ifndef ___HWACCMInternal_h
19#define ___HWACCMInternal_h
20
21#include <VBox/cdefs.h>
22#include <VBox/types.h>
23#include <VBox/em.h>
24#include <VBox/stam.h>
25#include <VBox/dis.h>
26#include <VBox/hwaccm.h>
27#include <VBox/pgm.h>
28#include <iprt/memobj.h>
29
30__BEGIN_DECLS
31
32
33/** @defgroup grp_hwaccm_int Internal
34 * @ingroup grp_hwaccm
35 * @internal
36 * @{
37 */
38
39
40/**
41 * Converts a HWACCM pointer into a VM pointer.
42 * @returns Pointer to the VM structure the EM is part of.
43 * @param pHWACCM Pointer to HWACCM instance data.
44 */
45#define HWACCM2VM(pHWACCM) ( (PVM)((char*)pHWACCM - pHWACCM->offVM) )
46
47/** Maximum number of exit reason statistics counters. */
48#define MAX_EXITREASON_STAT 0x100
49#define MASK_EXITREASON_STAT 0xff
50
51/** @name Changed flags
52 * These flags are used to keep track of which important registers that
53 * have been changed since last they were reset.
54 * @{
55 */
56#define HWACCM_CHANGED_GUEST_FPU RT_BIT(0)
57#define HWACCM_CHANGED_GUEST_CR0 RT_BIT(1)
58#define HWACCM_CHANGED_GUEST_CR3 RT_BIT(2)
59#define HWACCM_CHANGED_GUEST_CR4 RT_BIT(3)
60#define HWACCM_CHANGED_GUEST_GDTR RT_BIT(4)
61#define HWACCM_CHANGED_GUEST_IDTR RT_BIT(5)
62#define HWACCM_CHANGED_GUEST_LDTR RT_BIT(6)
63#define HWACCM_CHANGED_GUEST_TR RT_BIT(7)
64#define HWACCM_CHANGED_GUEST_SYSENTER_MSR RT_BIT(8)
65#define HWACCM_CHANGED_GUEST_SEGMENT_REGS RT_BIT(9)
66#define HWACCM_CHANGED_GUEST_DEBUG RT_BIT(10)
67#define HWACCM_CHANGED_HOST_CONTEXT RT_BIT(11)
68
69#define HWACCM_CHANGED_ALL ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \
70 | HWACCM_CHANGED_GUEST_CR0 \
71 | HWACCM_CHANGED_GUEST_CR3 \
72 | HWACCM_CHANGED_GUEST_CR4 \
73 | HWACCM_CHANGED_GUEST_GDTR \
74 | HWACCM_CHANGED_GUEST_IDTR \
75 | HWACCM_CHANGED_GUEST_LDTR \
76 | HWACCM_CHANGED_GUEST_TR \
77 | HWACCM_CHANGED_GUEST_SYSENTER_MSR \
78 | HWACCM_CHANGED_GUEST_FPU \
79 | HWACCM_CHANGED_GUEST_DEBUG \
80 | HWACCM_CHANGED_HOST_CONTEXT)
81
82#define HWACCM_CHANGED_ALL_GUEST ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \
83 | HWACCM_CHANGED_GUEST_CR0 \
84 | HWACCM_CHANGED_GUEST_CR3 \
85 | HWACCM_CHANGED_GUEST_CR4 \
86 | HWACCM_CHANGED_GUEST_GDTR \
87 | HWACCM_CHANGED_GUEST_IDTR \
88 | HWACCM_CHANGED_GUEST_LDTR \
89 | HWACCM_CHANGED_GUEST_TR \
90 | HWACCM_CHANGED_GUEST_SYSENTER_MSR \
91 | HWACCM_CHANGED_GUEST_DEBUG \
92 | HWACCM_CHANGED_GUEST_FPU)
93
94/** @} */
95
96/** @name Intercepted traps
97 * Traps that need to be intercepted so we can correctly dispatch them to the guest if required.
98 * Currently #NM and #PF only
99 */
100#ifdef VBOX_STRICT
101#define HWACCM_VMX_TRAP_MASK RT_BIT(0) | RT_BIT(7) | RT_BIT(14) | RT_BIT(6) | RT_BIT(11) | RT_BIT(12) | RT_BIT(13) | RT_BIT(16)
102#define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK
103#else
104#define HWACCM_VMX_TRAP_MASK RT_BIT(7) | RT_BIT(14)
105#define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK
106#endif
107/** @} */
108
109
110/** Maxium resume loops allowed in ring 0 (safety precaution) */
111#define HWACCM_MAX_RESUME_LOOPS 1024
112
113/** HWACCM SSM version
114 */
115#define HWACCM_SSM_VERSION 3
116
117/**
118 * HWACCM VM Instance data.
119 * Changes to this must checked against the padding of the cfgm union in VM!
120 */
121typedef struct HWACCM
122{
123 /** Offset to the VM structure.
124 * See HWACCM2VM(). */
125 RTUINT offVM;
126
127 /** Set when we've initialized VMX or SVM. */
128 bool fInitialized;
129 /** Set when we're using VMX/SVN at that moment. */
130 bool fActive;
131
132 /** Set when hardware acceleration is allowed. */
133 bool fAllowed;
134
135 /** HWACCM_CHANGED_* flags. */
136 uint32_t fContextUseFlags;
137
138 /** Old style FPU reporting trap mask override performed (optimization) */
139 uint32_t fFPUOldStyleOverride;
140
141 struct
142 {
143 /** Set by the ring-0 driver to indicate VMX is supported by the CPU. */
144 bool fSupported;
145
146 /** Set when we've enabled VMX. */
147 bool fEnabled;
148
149 /** Set if we can use VMXResume to execute guest code. */
150 bool fResumeVM;
151
152 /** R0 memory object for the VM control structure (VMCS). */
153 RTR0MEMOBJ pMemObjVMCS;
154 /** Physical address of the VM control structure (VMCS). */
155 RTHCPHYS pVMCSPhys;
156 /** Virtual address of the VM control structure (VMCS). */
157 R0PTRTYPE(void *) pVMCS;
158
159 /** R0 memory object for the TSS page used for real mode emulation. */
160 RTR0MEMOBJ pMemObjRealModeTSS;
161 /** Physical address of the TSS page used for real mode emulation. */
162 RTHCPHYS pRealModeTSSPhys;
163 /** Virtual address of the TSS page used for real mode emulation. */
164 R0PTRTYPE(PVBOXTSS) pRealModeTSS;
165
166 /** Host CR4 value (set by ring-0 VMX init) */
167 uint64_t hostCR4;
168
169 /** Current VMX_VMCS_CTRL_PROC_EXEC_CONTROLS. */
170 uint64_t proc_ctls;
171
172 /** Current CR0 mask. */
173 uint64_t cr0_mask;
174 /** Current CR4 mask. */
175 uint64_t cr4_mask;
176
177 /** VMX MSR values */
178 struct
179 {
180 uint64_t feature_ctrl;
181 uint64_t vmx_basic_info;
182 uint64_t vmx_pin_ctls;
183 uint64_t vmx_proc_ctls;
184 uint64_t vmx_exit;
185 uint64_t vmx_entry;
186 uint64_t vmx_misc;
187 uint64_t vmx_cr0_fixed0;
188 uint64_t vmx_cr0_fixed1;
189 uint64_t vmx_cr4_fixed0;
190 uint64_t vmx_cr4_fixed1;
191 uint64_t vmx_vmcs_enum;
192 } msr;
193
194 /* Last instruction error */
195 uint32_t ulLastInstrError;
196 } vmx;
197
198 struct
199 {
200 /** Set by the ring-0 driver to indicate SVM is supported by the CPU. */
201 bool fSupported;
202
203 /** Set when we've enabled SVM. */
204 bool fEnabled;
205
206 /** Set if we don't have to flush the TLB on VM entry. */
207 bool fResumeVM;
208
209 /** R0 memory object for the VM control block (VMCB). */
210 RTR0MEMOBJ pMemObjVMCB;
211 /** Physical address of the VM control block (VMCB). */
212 RTHCPHYS pVMCBPhys;
213 /** Virtual address of the VM control block (VMCB). */
214 R0PTRTYPE(void *) pVMCB;
215
216 /** R0 memory object for the host VM control block (VMCB). */
217 RTR0MEMOBJ pMemObjVMCBHost;
218 /** Physical address of the host VM control block (VMCB). */
219 RTHCPHYS pVMCBHostPhys;
220 /** Virtual address of the host VM control block (VMCB). */
221 R0PTRTYPE(void *) pVMCBHost;
222
223 /** R0 memory object for the IO bitmap (12kb). */
224 RTR0MEMOBJ pMemObjIOBitmap;
225 /** Physical address of the IO bitmap (12kb). */
226 RTHCPHYS pIOBitmapPhys;
227 /** Virtual address of the IO bitmap. */
228 R0PTRTYPE(void *) pIOBitmap;
229
230 /** R0 memory object for the MSR bitmap (8kb). */
231 RTR0MEMOBJ pMemObjMSRBitmap;
232 /** Physical address of the MSR bitmap (8kb). */
233 RTHCPHYS pMSRBitmapPhys;
234 /** Virtual address of the MSR bitmap. */
235 R0PTRTYPE(void *) pMSRBitmap;
236
237 /** SVM revision. */
238 uint32_t u32Rev;
239
240 /** Maximum ASID allowed. */
241 uint32_t u32MaxASID;
242 } svm;
243
244 struct
245 {
246 uint32_t u32AMDFeatureECX;
247 uint32_t u32AMDFeatureEDX;
248 } cpuid;
249
250 /* Event injection state. */
251 struct
252 {
253 uint32_t fPending;
254 uint32_t errCode;
255 uint64_t intInfo;
256 } Event;
257
258 /** Saved error from detection */
259 int32_t lLastError;
260
261 /** HWACCMR0Init was run */
262 bool fHWACCMR0Init;
263
264 /** Currenty shadow paging mode. */
265 PGMMODE enmShadowMode;
266
267 STAMPROFILEADV StatEntry;
268 STAMPROFILEADV StatExit;
269 STAMPROFILEADV StatInGC;
270
271 STAMCOUNTER StatIntInject;
272
273 STAMCOUNTER StatExitShadowNM;
274 STAMCOUNTER StatExitGuestNM;
275 STAMCOUNTER StatExitShadowPF;
276 STAMCOUNTER StatExitGuestPF;
277 STAMCOUNTER StatExitGuestUD;
278 STAMCOUNTER StatExitGuestSS;
279 STAMCOUNTER StatExitGuestNP;
280 STAMCOUNTER StatExitGuestGP;
281 STAMCOUNTER StatExitGuestDE;
282 STAMCOUNTER StatExitGuestMF;
283 STAMCOUNTER StatExitInvpg;
284 STAMCOUNTER StatExitInvd;
285 STAMCOUNTER StatExitCpuid;
286 STAMCOUNTER StatExitRdtsc;
287 STAMCOUNTER StatExitCRxWrite;
288 STAMCOUNTER StatExitCRxRead;
289 STAMCOUNTER StatExitDRxWrite;
290 STAMCOUNTER StatExitDRxRead;
291 STAMCOUNTER StatExitCLTS;
292 STAMCOUNTER StatExitLMSW;
293 STAMCOUNTER StatExitIOWrite;
294 STAMCOUNTER StatExitIORead;
295 STAMCOUNTER StatExitIOStringWrite;
296 STAMCOUNTER StatExitIOStringRead;
297 STAMCOUNTER StatExitIrqWindow;
298 STAMCOUNTER StatExitMaxResume;
299 STAMCOUNTER StatIntReinject;
300 STAMCOUNTER StatPendingHostIrq;
301
302 STAMCOUNTER StatSwitchGuestIrq;
303 STAMCOUNTER StatSwitchToR3;
304
305 R3PTRTYPE(PSTAMCOUNTER) pStatExitReason;
306 R0PTRTYPE(PSTAMCOUNTER) pStatExitReasonR0;
307} HWACCM;
308/** Pointer to HWACCM VM instance data. */
309typedef HWACCM *PHWACCM;
310
311
312#ifdef IN_RING0
313
314#ifdef VBOX_STRICT
315HWACCMR0DECL(void) HWACCMDumpRegs(PCPUMCTX pCtx);
316HWACCMR0DECL(void) HWACCMR0DumpDescriptor(PX86DESCHC Desc, RTSEL Sel, const char *pszMsg);
317#else
318#define HWACCMDumpRegs(a) do { } while (0)
319#define HWACCMR0DumpDescriptor(a, b, c) do { } while (0)
320#endif
321
322#endif
323
324/** @} */
325
326__END_DECLS
327
328#endif
329
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