VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR0/HWVMXR0.h@ 14414

Last change on this file since 14414 was 14366, checked in by vboxsync, 16 years ago

Cleaned up some more.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 7.8 KB
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1/* $Id: HWVMXR0.h 14366 2008-11-19 17:20:49Z vboxsync $ */
2/** @file
3 * HWACCM VT-x - 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 ___HWVMXR0_h
23#define ___HWVMXR0_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 <VBox/hwacc_vmx.h>
33
34__BEGIN_DECLS
35
36/** @defgroup grp_vmx_int Internal
37 * @ingroup grp_vmx
38 * @internal
39 * @{
40 */
41
42#ifdef IN_RING0
43
44/**
45 * Enters the VT-x session
46 *
47 * @returns VBox status code.
48 * @param pVM The VM to operate on.
49 * @param pVCpu The VMCPU to operate on.
50 * @param pCpu CPU info struct
51 */
52VMMR0DECL(int) VMXR0Enter(PVM pVM, PVMCPU pVCpu, PHWACCM_CPUINFO pCpu);
53
54/**
55 * Leaves the VT-x session
56 *
57 * @returns VBox status code.
58 * @param pVM The VM to operate on.
59 * @param pVCpu The VMCPU to operate on.
60 * @param pCtx CPU context
61 */
62VMMR0DECL(int) VMXR0Leave(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
63
64
65/**
66 * Sets up and activates VT-x on the current CPU
67 *
68 * @returns VBox status code.
69 * @param pCpu CPU info struct
70 * @param pVM The VM to operate on. (can be NULL after a resume)
71 * @param pvPageCpu Pointer to the global cpu page
72 * @param pPageCpuPhys Physical address of the global cpu page
73 */
74VMMR0DECL(int) VMXR0EnableCpu(PHWACCM_CPUINFO pCpu, PVM pVM, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
75
76/**
77 * Deactivates VT-x on the current CPU
78 *
79 * @returns VBox status code.
80 * @param pCpu CPU info struct
81 * @param pvPageCpu Pointer to the global cpu page
82 * @param pPageCpuPhys Physical address of the global cpu page
83 */
84VMMR0DECL(int) VMXR0DisableCpu(PHWACCM_CPUINFO pCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
85
86/**
87 * Does Ring-0 per VM VT-x init.
88 *
89 * @returns VBox status code.
90 * @param pVM The VM to operate on.
91 */
92VMMR0DECL(int) VMXR0InitVM(PVM pVM);
93
94/**
95 * Does Ring-0 per VM VT-x termination.
96 *
97 * @returns VBox status code.
98 * @param pVM The VM to operate on.
99 */
100VMMR0DECL(int) VMXR0TermVM(PVM pVM);
101
102/**
103 * Sets up VT-x for the specified VM
104 *
105 * @returns VBox status code.
106 * @param pVM The VM to operate on.
107 */
108VMMR0DECL(int) VMXR0SetupVM(PVM pVM);
109
110
111/**
112 * Save the host state
113 *
114 * @returns VBox status code.
115 * @param pVM The VM to operate on.
116 * @param pVCpu The VMCPU to operate on.
117 */
118VMMR0DECL(int) VMXR0SaveHostState(PVM pVM, PVMCPU pVCpu);
119
120/**
121 * Loads the guest state
122 *
123 * @returns VBox status code.
124 * @param pVM The VM to operate on.
125 * @param pVCpu The VMCPU to operate on.
126 * @param pCtx Guest context
127 */
128VMMR0DECL(int) VMXR0LoadGuestState(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
129
130
131/**
132 * Runs guest code in a VT-x VM.
133 *
134 * @returns VBox status code.
135 * @param pVM The VM to operate on.
136 * @param pVCpu The VMCPU to operate on.
137 * @param pCtx Guest context
138 */
139VMMR0DECL(int) VMXR0RunGuestCode(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
140
141
142#define VMX_WRITE_SELREG(REG, reg) \
143{ \
144 rc = VMXWriteVMCS(VMX_VMCS_GUEST_FIELD_##REG, pCtx->reg); \
145 rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_LIMIT, pCtx->reg##Hid.u32Limit); \
146 rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_BASE, pCtx->reg##Hid.u64Base); \
147 if ((pCtx->eflags.u32 & X86_EFL_VM)) \
148 val = pCtx->reg##Hid.Attr.u; \
149 else \
150 if (CPUMIsGuestInRealModeEx(pCtx)) \
151 { \
152 /* Must override this or else VT-x will fail with invalid guest state errors. */ \
153 /* DPL=3, present, code/data, r/w/accessed. */ \
154 val = 0xf3; \
155 } \
156 else \
157 if ( ((!pCtx->csHid.Attr.n.u1DefBig && !CPUMIsGuestIn64BitCodeEx(pCtx)) || pCtx->reg) \
158 && pCtx->reg##Hid.Attr.n.u1Present == 1) \
159 val = pCtx->reg##Hid.Attr.u | X86_SEL_TYPE_ACCESSED; \
160 else \
161 val = 0x10000; /* Invalid guest state error otherwise. (BIT(16) = Unusable) */ \
162 \
163 rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_ACCESS_RIGHTS, val); \
164}
165
166#define VMX_READ_SELREG(REG, reg) \
167{ \
168 VMXReadVMCS(VMX_VMCS_GUEST_FIELD_##REG, &val); \
169 pCtx->reg = val; \
170 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_LIMIT, &val); \
171 pCtx->reg##Hid.u32Limit = val; \
172 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_BASE, &val); \
173 pCtx->reg##Hid.u64Base = val; \
174 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_ACCESS_RIGHTS, &val); \
175 pCtx->reg##Hid.Attr.u = val; \
176}
177
178#define VMX_LOG_SELREG(REG, szSelReg) \
179{ \
180 VMXReadVMCS(VMX_VMCS_GUEST_FIELD_##REG, &val); \
181 Log(("%s Selector %x\n", szSelReg, val)); \
182 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_LIMIT, &val); \
183 Log(("%s Limit %x\n", szSelReg, val)); \
184 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_BASE, &val); \
185 Log(("%s Base %RX64\n", szSelReg, val)); \
186 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_ACCESS_RIGHTS, &val); \
187 Log(("%s Attributes %x\n", szSelReg, val)); \
188}
189
190
191
192/**
193 * Prepares for and executes VMLAUNCH (32 bits guest mode)
194 *
195 * @returns VBox status code
196 * @param fResume vmlauch/vmresume
197 * @param pCtx Guest context
198 */
199DECLASM(int) VMXR0StartVM32(RTHCUINT fResume, PCPUMCTX pCtx);
200
201/**
202 * Prepares for and executes VMLAUNCH (64 bits guest mode)
203 *
204 * @returns VBox status code
205 * @param fResume vmlauch/vmresume
206 * @param pCtx Guest context
207 */
208DECLASM(int) VMXR0StartVM64(RTHCUINT fResume, PCPUMCTX pCtx);
209
210/**
211 * Prepares for and executes VMLAUNCH (64 bits guest mode)
212 *
213 * @returns VBox status code
214 * @param fResume vmlauch/vmresume
215 * @param pCtx Guest context
216 */
217DECLASM(int) VMXR0SwitcherStartVM64(RTHCUINT fResume, PCPUMCTX pCtx);
218
219#endif /* IN_RING0 */
220
221/** @} */
222
223__END_DECLS
224
225#endif
226
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