| 1 | /** @file
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| 2 | * HWACCM - Intel/AMD VM Hardware Support Manager
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * The contents of this file may alternatively be used under the terms
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| 17 | * of the Common Development and Distribution License Version 1.0
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| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 19 | * VirtualBox OSE distribution, in which case the provisions of the
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| 20 | * CDDL are applicable instead of those of the GPL.
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| 21 | *
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| 22 | * You may elect to license modified versions of this file under the
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| 23 | * terms and conditions of either the GPL or the CDDL or both.
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| 24 | *
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| 25 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 26 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 27 | * additional information or have any questions.
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| 28 | */
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| 29 |
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| 30 | #ifndef ___VBox_hwaccm_h
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| 31 | #define ___VBox_hwaccm_h
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| 32 |
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| 33 | #include <VBox/cdefs.h>
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| 34 | #include <VBox/types.h>
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| 35 | #include <VBox/pgm.h>
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| 36 | #include <iprt/mp.h>
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| 37 |
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| 38 |
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| 39 | /** @defgroup grp_hwaccm The VM Hardware Manager API
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| 40 | * @{
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| 41 | */
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| 42 |
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| 43 | /**
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| 44 | * HWACCM state
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| 45 | */
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| 46 | typedef enum HWACCMSTATE
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| 47 | {
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| 48 | /* Not yet set */
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| 49 | HWACCMSTATE_UNINITIALIZED = 0,
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| 50 | /* Enabled */
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| 51 | HWACCMSTATE_ENABLED,
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| 52 | /* Disabled */
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| 53 | HWACCMSTATE_DISABLED,
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| 54 | /** The usual 32-bit hack. */
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| 55 | HWACCMSTATE_32BIT_HACK = 0x7fffffff
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| 56 | } HWACCMSTATE;
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| 57 |
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| 58 | __BEGIN_DECLS
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| 59 |
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| 60 | /**
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| 61 | * Query HWACCM state (enabled/disabled)
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| 62 | *
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| 63 | * @returns 0 - disabled, 1 - enabled
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| 64 | * @param pVM The VM to operate on.
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| 65 | */
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| 66 | #define HWACCMIsEnabled(a) (a->fHWACCMEnabled)
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| 67 |
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| 68 | HWACCMDECL(int) HWACCMInvalidatePage(PVM pVM, RTGCPTR GCVirt);
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| 69 | HWACCMDECL(bool) HWACCMHasPendingIrq(PVM pVM);
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| 70 |
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| 71 | #ifndef IN_GC
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| 72 | HWACCMDECL(int) HWACCMFlushTLB(PVM pVM);
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| 73 | HWACCMDECL(int) HWACCMInvalidatePhysPage(PVM pVM, RTGCPHYS GCPhys);
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| 74 | HWACCMDECL(bool) HWACCMIsNestedPagingActive(PVM pVM);
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| 75 | HWACCMDECL(PGMMODE) HWACCMGetPagingMode(PVM pVM);
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| 76 | #else
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| 77 | /* Nop in GC */
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| 78 | # define HWACCMFlushTLB(pVM) do { } while (0)
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| 79 | # define HWACCMIsNestedPagingActive(pVM) false
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| 80 | #endif
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| 81 |
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| 82 | #ifdef IN_RING0
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| 83 | /** @defgroup grp_hwaccm_r0 The VM Hardware Manager API
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| 84 | * @ingroup grp_hwaccm
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| 85 | * @{
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| 86 | */
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| 87 | HWACCMR0DECL(int) HWACCMR0Init(void);
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| 88 | HWACCMR0DECL(int) HWACCMR0Term(void);
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| 89 | HWACCMR0DECL(int) HWACCMR0InitVM(PVM pVM);
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| 90 | HWACCMR0DECL(int) HWACCMR0TermVM(PVM pVM);
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| 91 | HWACCMR0DECL(int) HWACCMR0EnableAllCpus(PVM pVM, HWACCMSTATE enmNewHwAccmState);
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| 92 | /** @} */
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| 93 | #endif /* IN_RING0 */
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| 94 |
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| 95 |
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| 96 | #ifdef IN_RING3
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| 97 | /** @defgroup grp_hwaccm_r3 The VM Hardware Manager API
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| 98 | * @ingroup grp_hwaccm
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| 99 | * @{
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| 100 | */
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| 101 | HWACCMR3DECL(bool) HWACCMR3IsEventPending(PVM pVM);
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| 102 | HWACCMR3DECL(int) HWACCMR3Init(PVM pVM);
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| 103 | HWACCMR3DECL(int) HWACCMR3InitFinalizeR0(PVM pVM);
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| 104 | HWACCMR3DECL(void) HWACCMR3Relocate(PVM pVM);
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| 105 | HWACCMR3DECL(int) HWACCMR3Term(PVM pVM);
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| 106 | HWACCMR3DECL(void) HWACCMR3Reset(PVM pVM);
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| 107 | HWACCMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode);
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| 108 | HWACCMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx);
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| 109 | HWACCMR3DECL(bool) HWACCMR3IsActive(PVM pVM);
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| 110 | HWACCMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM);
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| 111 | HWACCMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM);
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| 112 | HWACCMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PGMMODE enmShadowMode);
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| 113 | /** @} */
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| 114 | #endif /* IN_RING3 */
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| 115 |
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| 116 | #ifdef IN_RING0
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| 117 | /** @addtogroup grp_hwaccm_r0
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| 118 | * @{
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| 119 | */
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| 120 | HWACCMR0DECL(int) HWACCMR0SetupVM(PVM pVM);
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| 121 | HWACCMR0DECL(int) HWACCMR0RunGuestCode(PVM pVM);
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| 122 | HWACCMR0DECL(int) HWACCMR0Enter(PVM pVM);
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| 123 | HWACCMR0DECL(int) HWACCMR0Leave(PVM pVM);
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| 124 | HWACCMR0DECL(int) HWACCMR0InvalidatePage(PVM pVM, RTGCPTR GCVirt);
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| 125 | HWACCMR0DECL(int) HWACCMR0FlushTLB(PVM pVM);
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| 126 | /** @} */
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| 127 | #endif /* IN_RING0 */
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| 128 |
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| 129 |
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| 130 | /** @} */
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| 131 | __END_DECLS
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| 132 |
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| 133 |
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| 134 | #endif
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| 135 |
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