VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCMInternal.h@ 10237

Last change on this file since 10237 was 10108, checked in by vboxsync, 16 years ago

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1/* $Id: HWACCMInternal.h 10108 2008-07-02 14:06:24Z vboxsync $ */
2/** @file
3 * HWACCM - Internal header file.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22#ifndef ___HWACCMInternal_h
23#define ___HWACCMInternal_h
24
25#include <VBox/cdefs.h>
26#include <VBox/types.h>
27#include <VBox/em.h>
28#include <VBox/stam.h>
29#include <VBox/dis.h>
30#include <VBox/hwaccm.h>
31#include <VBox/pgm.h>
32#include <iprt/memobj.h>
33#include <iprt/cpuset.h>
34#include <iprt/mp.h>
35
36/* Uncomment to enable experimental nested paging. */
37//#define VBOX_WITH_NESTED_PAGING
38/* Uncomment to enable 64 bits guest support. */
39//#define VBOX_ENABLE_64_BITS_GUESTS
40
41__BEGIN_DECLS
42
43
44/** @defgroup grp_hwaccm_int Internal
45 * @ingroup grp_hwaccm
46 * @internal
47 * @{
48 */
49
50
51/**
52 * Converts a HWACCM pointer into a VM pointer.
53 * @returns Pointer to the VM structure the EM is part of.
54 * @param pHWACCM Pointer to HWACCM instance data.
55 */
56#define HWACCM2VM(pHWACCM) ( (PVM)((char*)pHWACCM - pHWACCM->offVM) )
57
58/** Maximum number of exit reason statistics counters. */
59#define MAX_EXITREASON_STAT 0x100
60#define MASK_EXITREASON_STAT 0xff
61
62/** @name Changed flags
63 * These flags are used to keep track of which important registers that
64 * have been changed since last they were reset.
65 * @{
66 */
67#define HWACCM_CHANGED_GUEST_FPU RT_BIT(0)
68#define HWACCM_CHANGED_GUEST_CR0 RT_BIT(1)
69#define HWACCM_CHANGED_GUEST_CR3 RT_BIT(2)
70#define HWACCM_CHANGED_GUEST_CR4 RT_BIT(3)
71#define HWACCM_CHANGED_GUEST_GDTR RT_BIT(4)
72#define HWACCM_CHANGED_GUEST_IDTR RT_BIT(5)
73#define HWACCM_CHANGED_GUEST_LDTR RT_BIT(6)
74#define HWACCM_CHANGED_GUEST_TR RT_BIT(7)
75#define HWACCM_CHANGED_GUEST_SYSENTER_MSR RT_BIT(8)
76#define HWACCM_CHANGED_GUEST_SEGMENT_REGS RT_BIT(9)
77#define HWACCM_CHANGED_GUEST_DEBUG RT_BIT(10)
78#define HWACCM_CHANGED_HOST_CONTEXT RT_BIT(11)
79#define HWACCM_CHANGED_GUEST_CR8 RT_BIT(12)
80
81#define HWACCM_CHANGED_ALL ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \
82 | HWACCM_CHANGED_GUEST_CR0 \
83 | HWACCM_CHANGED_GUEST_CR3 \
84 | HWACCM_CHANGED_GUEST_CR4 \
85 | HWACCM_CHANGED_GUEST_CR8 \
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_FPU \
92 | HWACCM_CHANGED_GUEST_DEBUG \
93 | HWACCM_CHANGED_HOST_CONTEXT)
94
95#define HWACCM_CHANGED_ALL_GUEST ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \
96 | HWACCM_CHANGED_GUEST_CR0 \
97 | HWACCM_CHANGED_GUEST_CR3 \
98 | HWACCM_CHANGED_GUEST_CR4 \
99 | HWACCM_CHANGED_GUEST_CR8 \
100 | HWACCM_CHANGED_GUEST_GDTR \
101 | HWACCM_CHANGED_GUEST_IDTR \
102 | HWACCM_CHANGED_GUEST_LDTR \
103 | HWACCM_CHANGED_GUEST_TR \
104 | HWACCM_CHANGED_GUEST_SYSENTER_MSR \
105 | HWACCM_CHANGED_GUEST_DEBUG \
106 | HWACCM_CHANGED_GUEST_FPU)
107
108/** @} */
109
110/** @name Intercepted traps
111 * Traps that need to be intercepted so we can correctly dispatch them to the guest if required.
112 * Currently #NM and #PF only
113 */
114#ifdef VBOX_STRICT
115#define HWACCM_VMX_TRAP_MASK RT_BIT(X86_XCPT_DE) | RT_BIT(X86_XCPT_NM) | RT_BIT(X86_XCPT_PF) | RT_BIT(X86_XCPT_UD) | RT_BIT(X86_XCPT_NP) | RT_BIT(X86_XCPT_SS) | RT_BIT(X86_XCPT_GP) | RT_BIT(X86_XCPT_MF)
116#define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK
117#else
118#define HWACCM_VMX_TRAP_MASK RT_BIT(X86_XCPT_NM) | RT_BIT(X86_XCPT_PF)
119#define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK
120#endif
121/** @} */
122
123
124/** Maxium resume loops allowed in ring 0 (safety precaution) */
125#define HWACCM_MAX_RESUME_LOOPS 1024
126
127/** HWACCM SSM version
128 */
129#define HWACCM_SSM_VERSION 3
130
131/* Per-cpu information. */
132typedef struct
133{
134 RTCPUID idCpu;
135
136 RTR0MEMOBJ pMemObj;
137 /* Current ASID (AMD-V only) */
138 uint32_t uCurrentASID;
139 /* TLB flush count */
140 uint32_t cTLBFlushes;
141
142 bool fConfigured;
143} HWACCM_CPUINFO;
144typedef HWACCM_CPUINFO *PHWACCM_CPUINFO;
145
146/**
147 * HWACCM VM Instance data.
148 * Changes to this must checked against the padding of the cfgm union in VM!
149 */
150typedef struct HWACCM
151{
152 /** Offset to the VM structure.
153 * See HWACCM2VM(). */
154 RTUINT offVM;
155
156 /** Set when we've initialized VMX or SVM. */
157 bool fInitialized;
158 /** Set when we're using VMX/SVN at that moment. */
159 bool fActive;
160
161 /** Set when hardware acceleration is allowed. */
162 bool fAllowed;
163
164 /** Set if nested paging is enabled. */
165 bool fNestedPaging;
166
167 /** HWACCM_CHANGED_* flags. */
168 uint32_t fContextUseFlags;
169
170 /** Old style FPU reporting trap mask override performed (optimization) */
171 uint32_t fFPUOldStyleOverride;
172
173 /** And mask for copying register contents. */
174 uint64_t u64RegisterMask;
175 struct
176 {
177 /** Set by the ring-0 driver to indicate VMX is supported by the CPU. */
178 bool fSupported;
179
180 /** Set when we've enabled VMX. */
181 bool fEnabled;
182
183 /** Set if we can use VMXResume to execute guest code. */
184 bool fResumeVM;
185
186 /** R0 memory object for the VM control structure (VMCS). */
187 RTR0MEMOBJ pMemObjVMCS;
188 /** Physical address of the VM control structure (VMCS). */
189 RTHCPHYS pVMCSPhys;
190 /** Virtual address of the VM control structure (VMCS). */
191 R0PTRTYPE(void *) pVMCS;
192
193 /** R0 memory object for the TSS page used for real mode emulation. */
194 RTR0MEMOBJ pMemObjRealModeTSS;
195 /** Physical address of the TSS page used for real mode emulation. */
196 RTHCPHYS pRealModeTSSPhys;
197 /** Virtual address of the TSS page used for real mode emulation. */
198 R0PTRTYPE(PVBOXTSS) pRealModeTSS;
199
200 /** Ring 0 handlers for VT-x. */
201 DECLR0CALLBACKMEMBER(int, pfnStartVM,(RTHCUINT fResume, PCPUMCTX pCtx));
202
203 /** Host CR4 value (set by ring-0 VMX init) */
204 uint64_t hostCR4;
205
206 /** Current VMX_VMCS_CTRL_PROC_EXEC_CONTROLS. */
207 uint64_t proc_ctls;
208
209 /** Current CR0 mask. */
210 uint64_t cr0_mask;
211 /** Current CR4 mask. */
212 uint64_t cr4_mask;
213
214 /** VMX MSR values */
215 struct
216 {
217 uint64_t feature_ctrl;
218 uint64_t vmx_basic_info;
219 uint64_t vmx_pin_ctls;
220 uint64_t vmx_proc_ctls;
221 uint64_t vmx_exit;
222 uint64_t vmx_entry;
223 uint64_t vmx_misc;
224 uint64_t vmx_cr0_fixed0;
225 uint64_t vmx_cr0_fixed1;
226 uint64_t vmx_cr4_fixed0;
227 uint64_t vmx_cr4_fixed1;
228 uint64_t vmx_vmcs_enum;
229 } msr;
230
231 /* Last instruction error */
232 uint32_t ulLastInstrError;
233 } vmx;
234
235 struct
236 {
237 /** Set by the ring-0 driver to indicate SVM is supported by the CPU. */
238 bool fSupported;
239 /** Set when we've enabled SVM. */
240 bool fEnabled;
241 /** Set if we don't have to flush the TLB on VM entry. */
242 bool fResumeVM;
243 /** Set if erratum 170 affects the AMD cpu. */
244 bool fAlwaysFlushTLB;
245 /** Set if we need to flush the TLB during the world switch. */
246 bool fForceTLBFlush;
247
248 /* Id of the last cpu we were executing code on (NIL_RTCPUID for the first time) */
249 RTCPUID idLastCpu;
250
251 /* TLB flush count */
252 uint32_t cTLBFlushes;
253
254 /** R0 memory object for the VM control block (VMCB). */
255 RTR0MEMOBJ pMemObjVMCB;
256 /** Physical address of the VM control block (VMCB). */
257 RTHCPHYS pVMCBPhys;
258 /** Virtual address of the VM control block (VMCB). */
259 R0PTRTYPE(void *) pVMCB;
260
261 /** R0 memory object for the host VM control block (VMCB). */
262 RTR0MEMOBJ pMemObjVMCBHost;
263 /** Physical address of the host VM control block (VMCB). */
264 RTHCPHYS pVMCBHostPhys;
265 /** Virtual address of the host VM control block (VMCB). */
266 R0PTRTYPE(void *) pVMCBHost;
267
268 /** R0 memory object for the IO bitmap (12kb). */
269 RTR0MEMOBJ pMemObjIOBitmap;
270 /** Physical address of the IO bitmap (12kb). */
271 RTHCPHYS pIOBitmapPhys;
272 /** Virtual address of the IO bitmap. */
273 R0PTRTYPE(void *) pIOBitmap;
274
275 /** R0 memory object for the MSR bitmap (8kb). */
276 RTR0MEMOBJ pMemObjMSRBitmap;
277 /** Physical address of the MSR bitmap (8kb). */
278 RTHCPHYS pMSRBitmapPhys;
279 /** Virtual address of the MSR bitmap. */
280 R0PTRTYPE(void *) pMSRBitmap;
281
282 /** Ring 0 handlers for VT-x. */
283 DECLR0CALLBACKMEMBER(int, pfnVMRun,(RTHCPHYS pVMCBHostPhys, RTHCPHYS pVMCBPhys, PCPUMCTX pCtx));
284
285 /** SVM revision. */
286 uint32_t u32Rev;
287
288 /** Maximum ASID allowed. */
289 uint32_t u32MaxASID;
290
291 /** SVM feature bits from cpuid 0x8000000a */
292 uint32_t u32Features;
293 } svm;
294
295 struct
296 {
297 uint32_t u32AMDFeatureECX;
298 uint32_t u32AMDFeatureEDX;
299 } cpuid;
300
301 /* Event injection state. */
302 struct
303 {
304 uint32_t fPending;
305 uint32_t errCode;
306 uint64_t intInfo;
307 } Event;
308
309 /** Saved error from detection */
310 int32_t lLastError;
311
312 /** HWACCMR0Init was run */
313 bool fHWACCMR0Init;
314
315 /** Currenty shadow paging mode. */
316 PGMMODE enmShadowMode;
317
318 STAMPROFILEADV StatEntry;
319 STAMPROFILEADV StatExit;
320 STAMPROFILEADV StatInGC;
321
322 STAMCOUNTER StatIntInject;
323
324 STAMCOUNTER StatExitShadowNM;
325 STAMCOUNTER StatExitGuestNM;
326 STAMCOUNTER StatExitShadowPF;
327 STAMCOUNTER StatExitGuestPF;
328 STAMCOUNTER StatExitGuestUD;
329 STAMCOUNTER StatExitGuestSS;
330 STAMCOUNTER StatExitGuestNP;
331 STAMCOUNTER StatExitGuestGP;
332 STAMCOUNTER StatExitGuestDE;
333 STAMCOUNTER StatExitGuestMF;
334 STAMCOUNTER StatExitInvpg;
335 STAMCOUNTER StatExitInvd;
336 STAMCOUNTER StatExitCpuid;
337 STAMCOUNTER StatExitRdtsc;
338 STAMCOUNTER StatExitCRxWrite;
339 STAMCOUNTER StatExitCRxRead;
340 STAMCOUNTER StatExitDRxWrite;
341 STAMCOUNTER StatExitDRxRead;
342 STAMCOUNTER StatExitCLTS;
343 STAMCOUNTER StatExitLMSW;
344 STAMCOUNTER StatExitIOWrite;
345 STAMCOUNTER StatExitIORead;
346 STAMCOUNTER StatExitIOStringWrite;
347 STAMCOUNTER StatExitIOStringRead;
348 STAMCOUNTER StatExitIrqWindow;
349 STAMCOUNTER StatExitMaxResume;
350 STAMCOUNTER StatIntReinject;
351 STAMCOUNTER StatPendingHostIrq;
352
353 STAMCOUNTER StatFlushPageManual;
354 STAMCOUNTER StatFlushPhysPageManual;
355 STAMCOUNTER StatFlushTLBManual;
356 STAMCOUNTER StatFlushPageInvlpg;
357 STAMCOUNTER StatFlushTLBWorldSwitch;
358 STAMCOUNTER StatNoFlushTLBWorldSwitch;
359 STAMCOUNTER StatFlushTLBCRxChange;
360 STAMCOUNTER StatFlushASID;
361
362 STAMCOUNTER StatSwitchGuestIrq;
363 STAMCOUNTER StatSwitchToR3;
364
365 STAMCOUNTER StatTSCOffset;
366 STAMCOUNTER StatTSCIntercept;
367
368 STAMCOUNTER StatExitReasonNPF;
369 R3PTRTYPE(PSTAMCOUNTER) pStatExitReason;
370 R0PTRTYPE(PSTAMCOUNTER) pStatExitReasonR0;
371} HWACCM;
372/** Pointer to HWACCM VM instance data. */
373typedef HWACCM *PHWACCM;
374
375#ifdef IN_RING0
376
377#ifdef VBOX_STRICT
378HWACCMR0DECL(void) HWACCMDumpRegs(PCPUMCTX pCtx);
379HWACCMR0DECL(void) HWACCMR0DumpDescriptor(PX86DESCHC Desc, RTSEL Sel, const char *pszMsg);
380#else
381#define HWACCMDumpRegs(a) do { } while (0)
382#define HWACCMR0DumpDescriptor(a, b, c) do { } while (0)
383#endif
384
385/* Dummy callback handlers. */
386HWACCMR0DECL(int) HWACCMR0DummyEnter(PVM pVM, PHWACCM_CPUINFO pCpu);
387HWACCMR0DECL(int) HWACCMR0DummyLeave(PVM pVM);
388HWACCMR0DECL(int) HWACCMR0DummyEnableCpu(PHWACCM_CPUINFO pCpu, PVM pVM, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
389HWACCMR0DECL(int) HWACCMR0DummyDisableCpu(PHWACCM_CPUINFO pCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
390HWACCMR0DECL(int) HWACCMR0DummyInitVM(PVM pVM);
391HWACCMR0DECL(int) HWACCMR0DummyTermVM(PVM pVM);
392HWACCMR0DECL(int) HWACCMR0DummySetupVM(PVM pVM);
393HWACCMR0DECL(int) HWACCMR0DummyRunGuestCode(PVM pVM, CPUMCTX *pCtx, PHWACCM_CPUINFO pCpu);
394HWACCMR0DECL(int) HWACCMR0DummySaveHostState(PVM pVM);
395HWACCMR0DECL(int) HWACCMR0DummyLoadGuestState(PVM pVM, CPUMCTX *pCtx);
396
397#endif
398
399/** @} */
400
401__END_DECLS
402
403#endif
404
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