| 1 | /** @file
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| 2 | * MM - The Memory Manager. (VMM)
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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_mm_h
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| 31 | #define ___VBox_mm_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/x86.h>
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| 36 | #include <iprt/stdarg.h>
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| 37 | #include <VBox/sup.h>
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| 38 |
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| 39 |
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| 40 | RT_C_DECLS_BEGIN
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| 41 |
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| 42 | /** @defgroup grp_mm The Memory Manager API
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| 43 | * @{
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| 44 | */
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| 45 |
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| 46 | /**
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| 47 | * Memory Allocation Tags.
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| 48 | * For use with MMHyperAlloc(), MMR3HeapAlloc(), MMR3HeapAllocEx(),
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| 49 | * MMR3HeapAllocZ() and MMR3HeapAllocZEx().
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| 50 | *
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| 51 | * @remark Don't forget to update the dump command in MMHeap.cpp!
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| 52 | */
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| 53 | typedef enum MMTAG
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| 54 | {
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| 55 | MM_TAG_INVALID = 0,
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| 56 |
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| 57 | MM_TAG_CFGM,
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| 58 | MM_TAG_CFGM_BYTES,
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| 59 | MM_TAG_CFGM_STRING,
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| 60 | MM_TAG_CFGM_USER,
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| 61 |
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| 62 | MM_TAG_CSAM,
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| 63 | MM_TAG_CSAM_PATCH,
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| 64 |
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| 65 | MM_TAG_CPUM_CTX,
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| 66 |
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| 67 | MM_TAG_DBGF,
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| 68 | MM_TAG_DBGF_AS,
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| 69 | MM_TAG_DBGF_INFO,
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| 70 | MM_TAG_DBGF_LINE,
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| 71 | MM_TAG_DBGF_LINE_DUP,
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| 72 | MM_TAG_DBGF_MODULE,
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| 73 | MM_TAG_DBGF_OS,
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| 74 | MM_TAG_DBGF_STACK,
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| 75 | MM_TAG_DBGF_SYMBOL,
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| 76 | MM_TAG_DBGF_SYMBOL_DUP,
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| 77 |
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| 78 | MM_TAG_EM,
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| 79 |
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| 80 | MM_TAG_IOM,
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| 81 | MM_TAG_IOM_STATS,
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| 82 |
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| 83 | MM_TAG_MM,
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| 84 | MM_TAG_MM_LOOKUP_GUEST,
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| 85 | MM_TAG_MM_LOOKUP_PHYS,
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| 86 | MM_TAG_MM_LOOKUP_VIRT,
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| 87 | MM_TAG_MM_PAGE,
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| 88 |
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| 89 | MM_TAG_PARAV,
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| 90 |
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| 91 | MM_TAG_PATM,
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| 92 | MM_TAG_PATM_PATCH,
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| 93 |
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| 94 | MM_TAG_PDM,
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| 95 | MM_TAG_PDM_ASYNC_COMPLETION,
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| 96 | MM_TAG_PDM_DEVICE,
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| 97 | MM_TAG_PDM_DEVICE_DESC,
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| 98 | MM_TAG_PDM_DEVICE_USER,
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| 99 | MM_TAG_PDM_DRIVER,
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| 100 | MM_TAG_PDM_DRIVER_DESC,
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| 101 | MM_TAG_PDM_DRIVER_USER,
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| 102 | MM_TAG_PDM_USB,
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| 103 | MM_TAG_PDM_USB_DESC,
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| 104 | MM_TAG_PDM_USB_USER,
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| 105 | MM_TAG_PDM_LUN,
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| 106 | MM_TAG_PDM_QUEUE,
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| 107 | MM_TAG_PDM_THREAD,
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| 108 |
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| 109 | MM_TAG_PGM,
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| 110 | MM_TAG_PGM_CHUNK_MAPPING,
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| 111 | MM_TAG_PGM_HANDLERS,
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| 112 | MM_TAG_PGM_MAPPINGS,
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| 113 | MM_TAG_PGM_PHYS,
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| 114 | MM_TAG_PGM_POOL,
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| 115 |
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| 116 | MM_TAG_REM,
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| 117 |
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| 118 | MM_TAG_SELM,
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| 119 |
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| 120 | MM_TAG_SSM,
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| 121 |
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| 122 | MM_TAG_STAM,
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| 123 |
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| 124 | MM_TAG_TM,
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| 125 |
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| 126 | MM_TAG_TRPM,
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| 127 |
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| 128 | MM_TAG_VM,
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| 129 | MM_TAG_VM_REQ,
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| 130 |
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| 131 | MM_TAG_VMM,
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| 132 |
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| 133 | MM_TAG_HWACCM,
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| 134 |
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| 135 | MM_TAG_32BIT_HACK = 0x7fffffff
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| 136 | } MMTAG;
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| 137 |
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| 138 |
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| 139 |
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| 140 |
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| 141 | /** @defgroup grp_mm_hyper Hypervisor Memory Management
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| 142 | * @ingroup grp_mm
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| 143 | * @{ */
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| 144 |
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| 145 | VMMDECL(RTR3PTR) MMHyperR0ToR3(PVM pVM, RTR0PTR R0Ptr);
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| 146 | VMMDECL(RTRCPTR) MMHyperR0ToRC(PVM pVM, RTR0PTR R0Ptr);
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| 147 | #ifndef IN_RING0
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| 148 | VMMDECL(void *) MMHyperR0ToCC(PVM pVM, RTR0PTR R0Ptr);
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| 149 | #endif
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| 150 | VMMDECL(RTR0PTR) MMHyperR3ToR0(PVM pVM, RTR3PTR R3Ptr);
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| 151 | VMMDECL(RTRCPTR) MMHyperR3ToRC(PVM pVM, RTR3PTR R3Ptr);
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| 152 | VMMDECL(RTR3PTR) MMHyperRCToR3(PVM pVM, RTRCPTR RCPtr);
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| 153 | VMMDECL(RTR0PTR) MMHyperRCToR0(PVM pVM, RTRCPTR RCPtr);
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| 154 |
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| 155 | #ifndef IN_RING3
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| 156 | VMMDECL(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr);
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| 157 | #else
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| 158 | DECLINLINE(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr)
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| 159 | {
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| 160 | NOREF(pVM);
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| 161 | return R3Ptr;
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| 162 | }
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| 163 | #endif
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| 164 |
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| 165 |
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| 166 | #ifndef IN_RC
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| 167 | VMMDECL(void *) MMHyperRCToCC(PVM pVM, RTRCPTR RCPtr);
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| 168 | #else
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| 169 | DECLINLINE(void *) MMHyperRCToCC(PVM pVM, RTRCPTR RCPtr)
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| 170 | {
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| 171 | NOREF(pVM);
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| 172 | return (void *)RCPtr;
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| 173 | }
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| 174 | #endif
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| 175 |
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| 176 | #ifndef IN_RING3
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| 177 | VMMDECL(RTR3PTR) MMHyperCCToR3(PVM pVM, void *pv);
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| 178 | #else
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| 179 | DECLINLINE(RTR3PTR) MMHyperCCToR3(PVM pVM, void *pv)
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| 180 | {
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| 181 | NOREF(pVM);
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| 182 | return pv;
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| 183 | }
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| 184 | #endif
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| 185 |
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| 186 | #ifndef IN_RING0
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| 187 | VMMDECL(RTR0PTR) MMHyperCCToR0(PVM pVM, void *pv);
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| 188 | #else
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| 189 | DECLINLINE(RTR0PTR) MMHyperCCToR0(PVM pVM, void *pv)
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| 190 | {
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| 191 | NOREF(pVM);
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| 192 | return pv;
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| 193 | }
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| 194 | #endif
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| 195 |
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| 196 | #ifndef IN_RC
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| 197 | VMMDECL(RTRCPTR) MMHyperCCToRC(PVM pVM, void *pv);
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| 198 | #else
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| 199 | DECLINLINE(RTRCPTR) MMHyperCCToRC(PVM pVM, void *pv)
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| 200 | {
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| 201 | NOREF(pVM);
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| 202 | return (RTRCPTR)pv;
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| 203 | }
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| 204 | #endif
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| 205 |
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| 206 |
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| 207 | VMMDECL(int) MMHyperAlloc(PVM pVM, size_t cb, uint32_t uAlignment, MMTAG enmTag, void **ppv);
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| 208 | VMMDECL(int) MMHyperFree(PVM pVM, void *pv);
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| 209 | VMMDECL(void) MMHyperHeapCheck(PVM pVM);
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| 210 | VMMDECL(int) MMR3LockCall(PVM pVM);
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| 211 | #ifdef DEBUG
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| 212 | VMMDECL(void) MMHyperHeapDump(PVM pVM);
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| 213 | #endif
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| 214 | VMMDECL(size_t) MMHyperHeapGetFreeSize(PVM pVM);
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| 215 | VMMDECL(size_t) MMHyperHeapGetSize(PVM pVM);
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| 216 | VMMDECL(RTGCPTR) MMHyperGetArea(PVM pVM, size_t *pcb);
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| 217 | VMMDECL(bool) MMHyperIsInsideArea(PVM pVM, RTGCPTR GCPtr);
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| 218 |
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| 219 |
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| 220 | VMMDECL(RTHCPHYS) MMPage2Phys(PVM pVM, void *pvPage);
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| 221 | VMMDECL(void *) MMPagePhys2Page(PVM pVM, RTHCPHYS HCPhysPage);
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| 222 | VMMDECL(int) MMPagePhys2PageEx(PVM pVM, RTHCPHYS HCPhysPage, void **ppvPage);
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| 223 | VMMDECL(int) MMPagePhys2PageTry(PVM pVM, RTHCPHYS HCPhysPage, void **ppvPage);
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| 224 |
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| 225 |
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| 226 | /** @def MMHYPER_RC_ASSERT_RCPTR
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| 227 | * Asserts that an address is either NULL or inside the hypervisor memory area.
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| 228 | * This assertion only works while IN_RC, it's a NOP everywhere else.
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| 229 | * @thread The Emulation Thread.
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| 230 | */
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| 231 | #ifdef IN_RC
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| 232 | # define MMHYPER_RC_ASSERT_RCPTR(pVM, RCPtr) Assert(MMHyperIsInsideArea((pVM), (RTRCUINTPTR)(RCPtr)) || !(RCPtr))
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| 233 | #else
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| 234 | # define MMHYPER_RC_ASSERT_RCPTR(pVM, RCPtr) do { } while (0)
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| 235 | #endif
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| 236 |
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| 237 | /** @} */
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| 238 |
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| 239 |
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| 240 | #ifdef IN_RING3
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| 241 | /** @defgroup grp_mm_r3 The MM Host Context Ring-3 API
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| 242 | * @ingroup grp_mm
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| 243 | * @{
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| 244 | */
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| 245 |
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| 246 | VMMR3DECL(int) MMR3InitUVM(PUVM pUVM);
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| 247 | VMMR3DECL(int) MMR3Init(PVM pVM);
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| 248 | VMMR3DECL(int) MMR3InitPaging(PVM pVM);
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| 249 | VMMR3DECL(int) MMR3HyperInitFinalize(PVM pVM);
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| 250 | VMMR3DECL(int) MMR3Term(PVM pVM);
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| 251 | VMMR3DECL(void) MMR3TermUVM(PUVM pUVM);
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| 252 | VMMR3DECL(void) MMR3Reset(PVM pVM);
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| 253 | VMMR3DECL(int) MMR3ReserveHandyPages(PVM pVM, uint32_t cHandyPages);
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| 254 | VMMR3DECL(int) MMR3IncreaseBaseReservation(PVM pVM, uint64_t cAddBasePages);
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| 255 | VMMR3DECL(int) MMR3AdjustFixedReservation(PVM pVM, int32_t cDeltaFixedPages, const char *pszDesc);
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| 256 | VMMR3DECL(int) MMR3UpdateShadowReservation(PVM pVM, uint32_t cShadowPages);
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| 257 |
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| 258 | VMMR3DECL(int) MMR3HCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys, void **ppv);
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| 259 | VMMR3DECL(void) MMR3ReleaseOwnedLocks(PVM pVM);
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| 260 |
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| 261 | /** @defgroup grp_mm_r3_hyper Hypervisor Memory Manager (HC R3 Portion)
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| 262 | * @ingroup grp_mm_r3
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| 263 | * @{ */
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| 264 | VMMR3DECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, uint32_t uAlignment, MMTAG enmTag, void **ppv);
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| 265 | VMMR3DECL(int) MMR3HyperAllocOnceNoRelEx(PVM pVM, size_t cb, uint32_t uAlignment, MMTAG enmTag, uint32_t fFlags, void **ppv);
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| 266 | /** @name MMR3HyperAllocOnceNoRelEx flags
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| 267 | * @{ */
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| 268 | /** Must have kernel mapping.
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| 269 | * If not specified, the R0 pointer may point to the user process mapping. */
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| 270 | #define MMHYPER_AONR_FLAGS_KERNEL_MAPPING RT_BIT(0)
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| 271 | /** @} */
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| 272 | VMMR3DECL(int) MMR3HyperSetGuard(PVM pVM, void *pvStart, size_t cb, bool fSet);
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| 273 | VMMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void *pvR3, RTR0PTR pvR0, RTHCPHYS HCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr);
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| 274 | VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr);
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| 275 | VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb, const char *pszDesc, PRTRCPTR pRCPtr);
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| 276 | VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void *pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char *pszDesc, PRTGCPTR pGCPtr);
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| 277 | VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr);
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| 278 | VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvHC);
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| 279 | VMMR3DECL(int) MMR3HyperHCVirt2HCPhysEx(PVM pVM, void *pvHC, PRTHCPHYS pHCPhys);
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| 280 | VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys);
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| 281 | VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv);
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| 282 | VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb);
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| 283 | /** @} */
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| 284 |
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| 285 |
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| 286 | /** @defgroup grp_mm_phys Guest Physical Memory Manager
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| 287 | * @todo retire this group, elimintating or moving MMR3PhysGetRamSize to PGMPhys.
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| 288 | * @ingroup grp_mm_r3
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| 289 | * @{ */
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| 290 | VMMR3DECL(uint64_t) MMR3PhysGetRamSize(PVM pVM);
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| 291 | /** @} */
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| 292 |
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| 293 |
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| 294 | /** @defgroup grp_mm_page Physical Page Pool
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| 295 | * @ingroup grp_mm_r3
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| 296 | * @{ */
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| 297 | VMMR3DECL(void *) MMR3PageAlloc(PVM pVM);
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| 298 | VMMR3DECL(RTHCPHYS) MMR3PageAllocPhys(PVM pVM);
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| 299 | VMMR3DECL(void) MMR3PageFree(PVM pVM, void *pvPage);
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| 300 | VMMR3DECL(void *) MMR3PageAllocLow(PVM pVM);
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| 301 | VMMR3DECL(void) MMR3PageFreeLow(PVM pVM, void *pvPage);
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| 302 | VMMR3DECL(void) MMR3PageFreeByPhys(PVM pVM, RTHCPHYS HCPhysPage);
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| 303 | VMMR3DECL(void *) MMR3PageDummyHCPtr(PVM pVM);
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| 304 | VMMR3DECL(RTHCPHYS) MMR3PageDummyHCPhys(PVM pVM);
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| 305 | /** @} */
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| 306 |
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| 307 |
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| 308 | /** @defgroup grp_mm_heap Heap Manager
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| 309 | * @ingroup grp_mm_r3
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| 310 | * @{ */
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| 311 | VMMR3DECL(void *) MMR3HeapAlloc(PVM pVM, MMTAG enmTag, size_t cbSize);
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| 312 | VMMR3DECL(void *) MMR3HeapAllocU(PUVM pUVM, MMTAG enmTag, size_t cbSize);
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| 313 | VMMR3DECL(int) MMR3HeapAllocEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv);
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| 314 | VMMR3DECL(int) MMR3HeapAllocExU(PUVM pUVM, MMTAG enmTag, size_t cbSize, void **ppv);
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| 315 | VMMR3DECL(void *) MMR3HeapAllocZ(PVM pVM, MMTAG enmTag, size_t cbSize);
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| 316 | VMMR3DECL(void *) MMR3HeapAllocZU(PUVM pUVM, MMTAG enmTag, size_t cbSize);
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| 317 | VMMR3DECL(int) MMR3HeapAllocZEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv);
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| 318 | VMMR3DECL(int) MMR3HeapAllocZExU(PUVM pUVM, MMTAG enmTag, size_t cbSize, void **ppv);
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| 319 | VMMR3DECL(void *) MMR3HeapRealloc(void *pv, size_t cbNewSize);
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| 320 | VMMR3DECL(char *) MMR3HeapStrDup(PVM pVM, MMTAG enmTag, const char *psz);
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| 321 | VMMR3DECL(char *) MMR3HeapStrDupU(PUVM pUVM, MMTAG enmTag, const char *psz);
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| 322 | VMMR3DECL(char *) MMR3HeapAPrintf(PVM pVM, MMTAG enmTag, const char *pszFormat, ...);
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| 323 | VMMR3DECL(char *) MMR3HeapAPrintfU(PUVM pUVM, MMTAG enmTag, const char *pszFormat, ...);
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| 324 | VMMR3DECL(char *) MMR3HeapAPrintfV(PVM pVM, MMTAG enmTag, const char *pszFormat, va_list va);
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| 325 | VMMR3DECL(char *) MMR3HeapAPrintfVU(PUVM pUVM, MMTAG enmTag, const char *pszFormat, va_list va);
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| 326 | VMMR3DECL(void) MMR3HeapFree(void *pv);
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| 327 | /** @} */
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| 328 |
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| 329 | /** @defgroup grp_mm_heap User-kernel Heap Manager.
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| 330 | * @ingroup grp_mm_r3
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| 331 | *
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| 332 | * The memory is safely accessible from kernel context as well as user land.
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| 333 | *
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| 334 | * @{ */
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| 335 | VMMR3DECL(void *) MMR3UkHeapAlloc(PVM pVM, MMTAG enmTag, size_t cbSize, PRTR0PTR pR0Ptr);
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| 336 | VMMR3DECL(int) MMR3UkHeapAllocEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv, PRTR0PTR pR0Ptr);
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| 337 | VMMR3DECL(void *) MMR3UkHeapAllocZ(PVM pVM, MMTAG enmTag, size_t cbSize, PRTR0PTR pR0Ptr);
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| 338 | VMMR3DECL(int) MMR3UkHeapAllocZEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv, PRTR0PTR pR0Ptr);
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| 339 | VMMR3DECL(void) MMR3UkHeapFree(PVM pVM, void *pv, MMTAG enmTag);
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| 340 | /** @} */
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| 341 |
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| 342 | /** @} */
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| 343 | #endif /* IN_RING3 */
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| 344 |
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| 345 |
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| 346 |
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| 347 | #ifdef IN_RC
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| 348 | /** @defgroup grp_mm_gc The MM Guest Context API
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| 349 | * @ingroup grp_mm
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| 350 | * @{
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| 351 | */
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| 352 |
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| 353 | VMMRCDECL(void) MMGCRamRegisterTrapHandler(PVM pVM);
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| 354 | VMMRCDECL(void) MMGCRamDeregisterTrapHandler(PVM pVM);
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| 355 | VMMRCDECL(int) MMGCRamReadNoTrapHandler(void *pDst, void *pSrc, size_t cb);
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| 356 | VMMRCDECL(int) MMGCRamWriteNoTrapHandler(void *pDst, void *pSrc, size_t cb);
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| 357 | VMMRCDECL(int) MMGCRamRead(PVM pVM, void *pDst, void *pSrc, size_t cb);
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| 358 | VMMRCDECL(int) MMGCRamWrite(PVM pVM, void *pDst, void *pSrc, size_t cb);
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| 359 |
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| 360 | /** @} */
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| 361 | #endif /* IN_RC */
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| 362 |
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| 363 | /** @} */
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| 364 | RT_C_DECLS_END
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| 365 |
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| 366 |
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| 367 | #endif
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| 368 |
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