| 1 | /* $Id: CFGMInternal.h 23 2007-01-15 14:08:28Z vboxsync $ */
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| 2 | /** @file
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| 3 | * CFGM - 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 InnoTek Systemberatung 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 | * If you received this file as part of a commercial VirtualBox
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| 18 | * distribution, then only the terms of your commercial VirtualBox
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| 19 | * license agreement apply instead of the previous paragraph.
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| 20 | */
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| 21 |
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| 22 | #ifndef __CFGMInternal_h__
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| 23 | #define __CFGMInternal_h__
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| 24 |
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| 25 | #include <VBox/cdefs.h>
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| 26 | #include <VBox/types.h>
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| 27 |
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| 28 |
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| 29 | /** @defgroup grp_cfgm_int Internals.
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| 30 | * @ingroup grp_cfgm
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| 31 | * @{
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| 32 | */
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| 33 |
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| 34 |
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| 35 | /**
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| 36 | * Configuration manager propertype value.
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| 37 | */
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| 38 | typedef union CFGMVALUE
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| 39 | {
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| 40 | /** Integer value. */
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| 41 | struct CFGMVALUE_INTEGER
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| 42 | {
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| 43 | /** The integer represented as 64-bit unsigned. */
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| 44 | uint64_t u64;
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| 45 | } Integer;
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| 46 |
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| 47 | /** String value. (UTF-8 of course) */
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| 48 | struct CFGMVALUE_STRING
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| 49 | {
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| 50 | /** Length of string. (In bytes, including the terminator.) */
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| 51 | RTUINT cch;
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| 52 | /** Pointer to the string. */
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| 53 | char *psz;
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| 54 | } String;
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| 55 |
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| 56 | /** Byte string value. */
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| 57 | struct CFGMVALUE_BYTES
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| 58 | {
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| 59 | /** Length of byte string. (in bytes) */
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| 60 | RTUINT cb;
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| 61 | /** Pointer to the byte string. */
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| 62 | uint8_t *pau8;
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| 63 | } Bytes;
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| 64 | } CFGMVALUE;
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| 65 | /** Pointer to configuration manager property value. */
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| 66 | typedef CFGMVALUE *PCFGMVALUE;
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| 67 |
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| 68 |
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| 69 | /**
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| 70 | * Configuration manager tree node.
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| 71 | */
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| 72 | typedef struct CFGMLEAF
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| 73 | {
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| 74 | /** Pointer to the next leaf. */
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| 75 | PCFGMLEAF pNext;
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| 76 | /** Pointer to the previous leaf. */
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| 77 | PCFGMLEAF pPrev;
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| 78 |
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| 79 | /** Property type. */
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| 80 | CFGMVALUETYPE enmType;
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| 81 | /** Property value. */
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| 82 | CFGMVALUE Value;
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| 83 |
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| 84 | /** Name length. (exclusive) */
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| 85 | RTUINT cchName;
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| 86 | /** Name. */
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| 87 | char szName[1];
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| 88 | } CFGMLEAF;
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| 89 |
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| 90 |
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| 91 | /**
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| 92 | * Configuration manager tree node.
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| 93 | */
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| 94 | typedef struct CFGMNODE
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| 95 | {
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| 96 | /** Pointer to the next node (on this level). */
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| 97 | PCFGMNODE pNext;
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| 98 | /** Pointer to the previuos node (on this level). */
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| 99 | PCFGMNODE pPrev;
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| 100 | /** Pointer Parent node. */
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| 101 | PCFGMNODE pParent;
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| 102 | /** Pointer to first child node. */
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| 103 | PCFGMNODE pFirstChild;
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| 104 | /** Pointer to first property leaf. */
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| 105 | PCFGMLEAF pFirstLeaf;
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| 106 |
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| 107 | /** Pointer to the VM owning this node. */
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| 108 | PVM pVM;
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| 109 |
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| 110 | /** The root of a 'restricted' subtree, i.e. the parent is
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| 111 | * invisible to non-trusted users.
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| 112 | */
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| 113 | bool fRestrictedRoot;
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| 114 |
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| 115 | /** Name length. (exclusive) */
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| 116 | RTUINT cchName;
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| 117 | /** Name. */
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| 118 | char szName[1];
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| 119 | } CFGMNODE;
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| 120 |
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| 121 |
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| 122 |
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| 123 |
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| 124 | /**
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| 125 | * Converts a CFGM pointer into a VM pointer.
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| 126 | * @returns Pointer to the VM structure the CFGM is part of.
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| 127 | * @param pCFGM Pointer to CFGM instance data.
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| 128 | */
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| 129 | #define CFGM2VM(pCFGM) ( (PVM)((char*)pCFGM - pCFGM->offVM) )
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| 130 |
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| 131 | /**
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| 132 | * CFGM VM Instance data.
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| 133 | * Changes to this must checked against the padding of the cfgm union in VM!
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| 134 | */
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| 135 | typedef struct CFGM
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| 136 | {
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| 137 | /** Offset to the VM structure.
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| 138 | * See CFGM2VM(). */
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| 139 | RTUINT offVM;
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| 140 | /** Alignment padding. */
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| 141 | RTUINT uPadding0;
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| 142 |
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| 143 | /** Pointer to root node. */
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| 144 | HCPTRTYPE(PCFGMNODE) pRoot;
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| 145 | } CFGM;
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| 146 |
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| 147 | /** @} */
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| 148 |
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| 149 | #endif
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