| 1 | /* $Id: HWACCMInternal.h 5081 2007-09-27 16:38:36Z vboxsync $ */
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| 2 | /** @file
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| 3 | * HWACCM - Internal header file.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 innotek GmbH
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ___HWACCMInternal_h
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| 19 | #define ___HWACCMInternal_h
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| 20 |
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| 21 | #include <VBox/cdefs.h>
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| 22 | #include <VBox/types.h>
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| 23 | #include <VBox/em.h>
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| 24 | #include <VBox/stam.h>
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| 25 | #include <VBox/dis.h>
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| 26 | #include <VBox/hwaccm.h>
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| 27 | #include <VBox/pgm.h>
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| 28 |
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| 29 | __BEGIN_DECLS
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| 30 |
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| 31 |
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| 32 | /** @defgroup grp_hwaccm_int Internal
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| 33 | * @ingroup grp_hwaccm
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| 34 | * @internal
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| 35 | * @{
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| 36 | */
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| 37 |
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| 38 |
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| 39 | /**
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| 40 | * Converts a HWACCM pointer into a VM pointer.
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| 41 | * @returns Pointer to the VM structure the EM is part of.
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| 42 | * @param pHWACCM Pointer to HWACCM instance data.
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| 43 | */
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| 44 | #define HWACCM2VM(pHWACCM) ( (PVM)((char*)pHWACCM - pHWACCM->offVM) )
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| 45 |
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| 46 | /** Maximum number of exit reason statistics counters. */
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| 47 | #define MAX_EXITREASON_STAT 0x100
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| 48 | #define MASK_EXITREASON_STAT 0xff
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| 49 |
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| 50 | /** @name Changed flags
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| 51 | * These flags are used to keep track of which important registers that
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| 52 | * have been changed since last they were reset.
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| 53 | * @{
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| 54 | */
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| 55 | #define HWACCM_CHANGED_GUEST_FPU BIT(0)
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| 56 | #define HWACCM_CHANGED_GUEST_CR0 BIT(1)
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| 57 | #define HWACCM_CHANGED_GUEST_CR3 BIT(2)
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| 58 | #define HWACCM_CHANGED_GUEST_CR4 BIT(3)
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| 59 | #define HWACCM_CHANGED_GUEST_GDTR BIT(4)
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| 60 | #define HWACCM_CHANGED_GUEST_IDTR BIT(5)
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| 61 | #define HWACCM_CHANGED_GUEST_LDTR BIT(6)
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| 62 | #define HWACCM_CHANGED_GUEST_TR BIT(7)
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| 63 | #define HWACCM_CHANGED_GUEST_SYSENTER_MSR BIT(8)
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| 64 | #define HWACCM_CHANGED_GUEST_SEGMENT_REGS BIT(9)
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| 65 | #define HWACCM_CHANGED_GUEST_DEBUG BIT(10)
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| 66 | #define HWACCM_CHANGED_HOST_CONTEXT BIT(11)
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| 67 |
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| 68 | #define HWACCM_CHANGED_ALL ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \
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| 69 | | HWACCM_CHANGED_GUEST_CR0 \
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| 70 | | HWACCM_CHANGED_GUEST_CR3 \
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| 71 | | HWACCM_CHANGED_GUEST_CR4 \
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| 72 | | HWACCM_CHANGED_GUEST_GDTR \
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| 73 | | HWACCM_CHANGED_GUEST_IDTR \
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| 74 | | HWACCM_CHANGED_GUEST_LDTR \
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| 75 | | HWACCM_CHANGED_GUEST_TR \
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| 76 | | HWACCM_CHANGED_GUEST_SYSENTER_MSR \
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| 77 | | HWACCM_CHANGED_GUEST_FPU \
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| 78 | | HWACCM_CHANGED_GUEST_DEBUG \
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| 79 | | HWACCM_CHANGED_HOST_CONTEXT)
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| 80 |
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| 81 | #define HWACCM_CHANGED_ALL_GUEST ( HWACCM_CHANGED_GUEST_SEGMENT_REGS \
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| 82 | | HWACCM_CHANGED_GUEST_CR0 \
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| 83 | | HWACCM_CHANGED_GUEST_CR3 \
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| 84 | | HWACCM_CHANGED_GUEST_CR4 \
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| 85 | | HWACCM_CHANGED_GUEST_GDTR \
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| 86 | | HWACCM_CHANGED_GUEST_IDTR \
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| 87 | | HWACCM_CHANGED_GUEST_LDTR \
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| 88 | | HWACCM_CHANGED_GUEST_TR \
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| 89 | | HWACCM_CHANGED_GUEST_SYSENTER_MSR \
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| 90 | | HWACCM_CHANGED_GUEST_DEBUG \
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| 91 | | HWACCM_CHANGED_GUEST_FPU)
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| 92 |
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| 93 | /** @} */
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| 94 |
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| 95 | /** @name Intercepted traps
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| 96 | * Traps that need to be intercepted so we can correctly dispatch them to the guest if required.
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| 97 | * Currently #NM and #PF only
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| 98 | */
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| 99 | #ifdef VBOX_STRICT
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| 100 | #define HWACCM_VMX_TRAP_MASK BIT(0) | BIT(7) | BIT(14) | BIT(6) | BIT(11) | BIT(12) | BIT(13) | BIT(16)
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| 101 | #define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK
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| 102 | #else
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| 103 | #define HWACCM_VMX_TRAP_MASK BIT(7) | BIT(14)
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| 104 | #define HWACCM_SVM_TRAP_MASK HWACCM_VMX_TRAP_MASK
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| 105 | #endif
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| 106 | /** @} */
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| 107 |
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| 108 |
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| 109 | /** Maxium resume loops allowed in ring 0 (safety precaution) */
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| 110 | #define HWACCM_MAX_RESUME_LOOPS 1024
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| 111 |
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| 112 | /** HWACCM SSM version
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| 113 | */
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| 114 | #define HWACCM_SSM_VERSION 3
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| 115 |
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| 116 | /**
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| 117 | * HWACCM VM Instance data.
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| 118 | * Changes to this must checked against the padding of the cfgm union in VM!
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| 119 | */
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| 120 | typedef struct HWACCM
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| 121 | {
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| 122 | /** Offset to the VM structure.
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| 123 | * See HWACCM2VM(). */
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| 124 | RTUINT offVM;
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| 125 |
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| 126 | /** Set when we've initialized VMX or SVM. */
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| 127 | bool fInitialized;
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| 128 | /** Set when we're using VMX/SVN at that moment. */
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| 129 | bool fActive;
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| 130 |
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| 131 | /** Set when hardware acceleration is allowed. */
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| 132 | bool fAllowed;
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| 133 |
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| 134 | /** HWACCM_CHANGED_* flags. */
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| 135 | uint32_t fContextUseFlags;
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| 136 |
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| 137 | /** Old style FPU reporting trap mask override performed (optimization) */
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| 138 | uint32_t fFPUOldStyleOverride;
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| 139 |
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| 140 | struct
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| 141 | {
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| 142 | /** Set by the ring-0 driver to indicate VMX is supported by the CPU. */
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| 143 | bool fSupported;
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| 144 |
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| 145 | /** Set when we've enabled VMX. */
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| 146 | bool fEnabled;
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| 147 |
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| 148 | /** Set if we can use VMXResume to execute guest code. */
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| 149 | bool fResumeVM;
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| 150 |
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| 151 | /** Physical address of the VM control structure (VMCS). */
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| 152 | RTHCPHYS pVMCSPhys;
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| 153 | /** Virtual address of the VM control structure (VMCS). */
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| 154 | void *pVMCS;
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| 155 |
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| 156 | /** Physical address of the VMXON page. */
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| 157 | RTHCPHYS pVMXONPhys;
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| 158 | /** Virtual address of the VMXON page. */
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| 159 | void *pVMXON;
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| 160 |
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| 161 | /** Physical address of the TSS page used for real mode emulation. */
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| 162 | RTHCPHYS pRealModeTSSPhys;
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| 163 | /** Virtual address of the TSS page used for real mode emulation. */
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| 164 | PVBOXTSS pRealModeTSS;
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| 165 |
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| 166 | /** Host CR4 value (set by ring-0 VMX init) */
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| 167 | uint32_t hostCR4;
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| 168 |
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| 169 | /** Current VMX_VMCS_CTRL_PROC_EXEC_CONTROLS. */
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| 170 | uint64_t proc_ctls;
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| 171 |
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| 172 | /** Current CR0 mask. */
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| 173 | uint64_t cr0_mask;
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| 174 | /** Current CR4 mask. */
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| 175 | uint64_t cr4_mask;
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| 176 |
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| 177 | /** VMX MSR values */
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| 178 | struct
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| 179 | {
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| 180 | uint64_t feature_ctrl;
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| 181 | uint64_t vmx_basic_info;
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| 182 | uint64_t vmx_pin_ctls;
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| 183 | uint64_t vmx_proc_ctls;
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| 184 | uint64_t vmx_exit;
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| 185 | uint64_t vmx_entry;
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| 186 | uint64_t vmx_misc;
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| 187 | uint64_t vmx_cr0_fixed0;
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| 188 | uint64_t vmx_cr0_fixed1;
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| 189 | uint64_t vmx_cr4_fixed0;
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| 190 | uint64_t vmx_cr4_fixed1;
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| 191 | uint64_t vmx_vmcs_enum;
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| 192 | } msr;
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| 193 |
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| 194 | /* Last instruction error */
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| 195 | uint32_t ulLastInstrError;
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| 196 | } vmx;
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| 197 |
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| 198 | struct
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| 199 | {
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| 200 | /** Set by the ring-0 driver to indicate SVM is supported by the CPU. */
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| 201 | bool fSupported;
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| 202 |
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| 203 | /** Set when we've enabled SVM. */
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| 204 | bool fEnabled;
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| 205 |
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| 206 | /** Set if we don't have to flush the TLB on VM entry. */
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| 207 | bool fResumeVM;
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| 208 |
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| 209 | /** Physical address of the VM control block (VMCB). */
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| 210 | RTHCPHYS pVMCBPhys;
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| 211 | /** Virtual address of the VM control block (VMCB). */
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| 212 | void *pVMCB;
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| 213 |
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| 214 | /** Physical address of the host VM control block (VMCB). */
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| 215 | RTHCPHYS pVMCBHostPhys;
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| 216 | /** Virtual address of the host VM control block (VMCB). */
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| 217 | void *pVMCBHost;
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| 218 |
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| 219 | /** Physical address of the Host State page. */
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| 220 | RTHCPHYS pHStatePhys;
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| 221 | /** Virtual address of the Host State page. */
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| 222 | void *pHState;
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| 223 |
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| 224 | /** Physical address of the IO bitmap (12kb). */
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| 225 | RTHCPHYS pIOBitmapPhys;
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| 226 | /** Virtual address of the IO bitmap. */
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| 227 | void *pIOBitmap;
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| 228 |
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| 229 | /** Physical address of the MSR bitmap (8kb). */
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| 230 | RTHCPHYS pMSRBitmapPhys;
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| 231 | /** Virtual address of the MSR bitmap. */
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| 232 | void *pMSRBitmap;
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| 233 |
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| 234 | /** SVM revision. */
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| 235 | uint32_t u32Rev;
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| 236 |
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| 237 | /** Maximum ASID allowed. */
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| 238 | uint32_t u32MaxASID;
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| 239 | } svm;
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| 240 |
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| 241 | struct
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| 242 | {
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| 243 | uint32_t u32AMDFeatureECX;
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| 244 | uint32_t u32AMDFeatureEDX;
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| 245 | } cpuid;
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| 246 |
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| 247 | /* Event injection state. */
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| 248 | struct
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| 249 | {
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| 250 | uint32_t fPending;
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| 251 | uint32_t errCode;
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| 252 | uint64_t intInfo;
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| 253 | } Event;
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| 254 |
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| 255 | /** Saved error from detection */
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| 256 | int32_t lLastError;
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| 257 |
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| 258 | /** HWACCMR0Init was run */
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| 259 | bool fHWACCMR0Init;
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| 260 |
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| 261 | /** Currenty shadow paging mode. */
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| 262 | PGMMODE enmShadowMode;
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| 263 |
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| 264 | STAMPROFILEADV StatEntry;
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| 265 | STAMPROFILEADV StatExit;
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| 266 | STAMPROFILEADV StatInGC;
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| 267 |
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| 268 | STAMCOUNTER StatIntInject;
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| 269 |
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| 270 | STAMCOUNTER StatExitShadowNM;
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| 271 | STAMCOUNTER StatExitGuestNM;
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| 272 | STAMCOUNTER StatExitShadowPF;
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| 273 | STAMCOUNTER StatExitGuestPF;
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| 274 | STAMCOUNTER StatExitGuestUD;
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| 275 | STAMCOUNTER StatExitGuestSS;
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| 276 | STAMCOUNTER StatExitGuestNP;
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| 277 | STAMCOUNTER StatExitGuestGP;
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| 278 | STAMCOUNTER StatExitGuestDE;
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| 279 | STAMCOUNTER StatExitGuestMF;
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| 280 | STAMCOUNTER StatExitInvpg;
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| 281 | STAMCOUNTER StatExitInvd;
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| 282 | STAMCOUNTER StatExitCpuid;
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| 283 | STAMCOUNTER StatExitRdtsc;
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| 284 | STAMCOUNTER StatExitCRxWrite;
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| 285 | STAMCOUNTER StatExitCRxRead;
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| 286 | STAMCOUNTER StatExitDRxWrite;
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| 287 | STAMCOUNTER StatExitDRxRead;
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| 288 | STAMCOUNTER StatExitCLTS;
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| 289 | STAMCOUNTER StatExitLMSW;
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| 290 | STAMCOUNTER StatExitIOWrite;
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| 291 | STAMCOUNTER StatExitIORead;
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| 292 | STAMCOUNTER StatExitIOStringWrite;
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| 293 | STAMCOUNTER StatExitIOStringRead;
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| 294 | STAMCOUNTER StatExitIrqWindow;
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| 295 | STAMCOUNTER StatExitMaxResume;
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| 296 | STAMCOUNTER StatIntReinject;
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| 297 | STAMCOUNTER StatPendingHostIrq;
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| 298 |
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| 299 | STAMCOUNTER StatSwitchGuestIrq;
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| 300 | STAMCOUNTER StatSwitchToR3;
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| 301 |
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| 302 | R3PTRTYPE(PSTAMCOUNTER) pStatExitReason;
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| 303 | R0PTRTYPE(PSTAMCOUNTER) pStatExitReasonR0;
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| 304 | } HWACCM;
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| 305 | /** Pointer to HWACCM VM instance data. */
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| 306 | typedef HWACCM *PHWACCM;
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| 307 |
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| 308 |
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| 309 | #ifdef IN_RING0
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| 310 |
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| 311 | #ifdef VBOX_STRICT
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| 312 | HWACCMR0DECL(void) HWACCMDumpRegs(PCPUMCTX pCtx);
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| 313 | HWACCMR0DECL(void) HWACCMR0DumpDescriptor(PX86DESCHC Desc, RTSEL Sel, const char *pszMsg);
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| 314 | #else
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| 315 | #define HWACCMDumpRegs(a) do { } while (0)
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| 316 | #define HWACCMR0DumpDescriptor(a, b, c) do { } while (0)
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| 317 | #endif
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| 318 |
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| 319 | #endif
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| 320 |
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| 321 | /** @} */
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| 322 |
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| 323 | __END_DECLS
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| 324 |
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| 325 | #endif
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| 326 |
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