VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR0/HWVMXR0.h@ 8863

Last change on this file since 8863 was 8155, checked in by vboxsync, 17 years ago

The Big Sun Rebranding Header Change

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 5.2 KB
Line 
1/* $Id: HWVMXR0.h 8155 2008-04-18 15:16:47Z 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 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 */
50HWACCMR0DECL(int) VMXR0Enter(PVM pVM);
51
52/**
53 * Leaves the VT-x session
54 *
55 * @returns VBox status code.
56 * @param pVM The VM to operate on.
57 */
58HWACCMR0DECL(int) VMXR0Leave(PVM pVM);
59
60
61/**
62 * Sets up and activates VT-x on the current CPU
63 *
64 * @returns VBox status code.
65 * @param idCpu The identifier for the CPU the function is called on.
66 * @param pVM The VM to operate on.
67 * @param pvPageCpu Pointer to the global cpu page
68 * @param pPageCpuPhys Physical address of the global cpu page
69 */
70HWACCMR0DECL(int) VMXR0EnableCpu(RTCPUID idCpu, PVM pVM, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
71
72/**
73 * Deactivates VT-x on the current CPU
74 *
75 * @returns VBox status code.
76 * @param idCpu The identifier for the CPU the function is called on.
77 * @param pvPageCpu Pointer to the global cpu page
78 * @param pPageCpuPhys Physical address of the global cpu page
79 */
80HWACCMR0DECL(int) VMXR0DisableCpu(RTCPUID idCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
81
82/**
83 * Does Ring-0 per VM VT-x init.
84 *
85 * @returns VBox status code.
86 * @param pVM The VM to operate on.
87 */
88HWACCMR0DECL(int) VMXR0InitVM(PVM pVM);
89
90/**
91 * Does Ring-0 per VM VT-x termination.
92 *
93 * @returns VBox status code.
94 * @param pVM The VM to operate on.
95 */
96HWACCMR0DECL(int) VMXR0TermVM(PVM pVM);
97
98/**
99 * Sets up VT-x for the specified VM
100 *
101 * @returns VBox status code.
102 * @param pVM The VM to operate on.
103 */
104HWACCMR0DECL(int) VMXR0SetupVM(PVM pVM);
105
106
107/**
108 * Save the host state
109 *
110 * @returns VBox status code.
111 * @param pVM The VM to operate on.
112 */
113HWACCMR0DECL(int) VMXR0SaveHostState(PVM pVM);
114
115/**
116 * Loads the guest state
117 *
118 * @returns VBox status code.
119 * @param pVM The VM to operate on.
120 * @param pCtx Guest context
121 */
122HWACCMR0DECL(int) VMXR0LoadGuestState(PVM pVM, CPUMCTX *pCtx);
123
124
125/**
126 * Runs guest code in a VT-x VM.
127 *
128 * @note NEVER EVER turn on interrupts here. Due to our illegal entry into the kernel, it might mess things up. (XP kernel traps have been frequently observed)
129 *
130 * @returns VBox status code.
131 * @param pVM The VM to operate on.
132 * @param pCtx Guest context
133 */
134HWACCMR0DECL(int) VMXR0RunGuestCode(PVM pVM, CPUMCTX *pCtx);
135
136
137#define VMX_WRITE_SELREG(REG, reg) \
138 rc = VMXWriteVMCS(VMX_VMCS_GUEST_FIELD_##REG, pCtx->reg); \
139 rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_LIMIT, pCtx->reg##Hid.u32Limit); \
140 rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_BASE, pCtx->reg##Hid.u32Base); \
141 if (pCtx->eflags.u32 & X86_EFL_VM) \
142 val = pCtx->reg##Hid.Attr.u; \
143 else \
144 if (pCtx->reg && pCtx->reg##Hid.Attr.n.u1Present == 1) \
145 val = pCtx->reg##Hid.Attr.u | X86_SEL_TYPE_ACCESSED; \
146 else \
147 val = 0x10000; /* Invalid guest state error otherwise. (BIT(16) = Unusable) */ \
148 \
149 rc |= VMXWriteVMCS(VMX_VMCS_GUEST_##REG##_ACCESS_RIGHTS, val);
150
151#define VMX_READ_SELREG(REG, reg) \
152 VMXReadVMCS(VMX_VMCS_GUEST_FIELD_##REG, &val); \
153 pCtx->reg = val; \
154 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_LIMIT, &val); \
155 pCtx->reg##Hid.u32Limit = val; \
156 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_BASE, &val); \
157 pCtx->reg##Hid.u32Base = val; \
158 VMXReadVMCS(VMX_VMCS_GUEST_##REG##_ACCESS_RIGHTS, &val); \
159 pCtx->reg##Hid.Attr.u = val;
160
161
162#endif /* IN_RING0 */
163
164/** @} */
165
166__END_DECLS
167
168#endif
169
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