| 1 | /** @file
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| 2 | * VBox HDD Container API.
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| 3 | * Will replace VBoxHDD.h.
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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 __VBox_VD_h__
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| 23 | #define __VBox_VD_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 | #include <VBox/pdm.h>
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| 28 |
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| 29 | __BEGIN_DECLS
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| 30 |
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| 31 | #ifdef IN_RING0
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| 32 | # error "There are no VBox HDD Container APIs available in Ring-0 Host Context!"
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| 33 | #endif
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| 34 |
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| 35 | /** @defgroup grp_vd VBox HDD Container
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| 36 | * @{
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| 37 | */
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| 38 |
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| 39 | /** Current VMDK image version. */
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| 40 | #define VMDK_IMAGE_VERSION (0x0001)
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| 41 |
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| 42 | /** Current VDI image major version. */
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| 43 | #define VDI_IMAGE_VERSION_MAJOR (0x0001)
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| 44 | /** Current VDI image minor version. */
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| 45 | #define VDI_IMAGE_VERSION_MINOR (0x0001)
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| 46 | /** Current VDI image version. */
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| 47 | #define VDI_IMAGE_VERSION ((VDI_IMAGE_VERSION_MAJOR << 16) | VDI_IMAGE_VERSION_MINOR)
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| 48 |
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| 49 | /** Get VDI major version from combined version. */
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| 50 | #define VDI_GET_VERSION_MAJOR(uVer) ((uVer) >> 16)
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| 51 | /** Get VDI minor version from combined version. */
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| 52 | #define VDI_GET_VERSION_MINOR(uVer) ((uVer) & 0xffff)
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| 53 |
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| 54 | /** @name VBox HDD container image types
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| 55 | * @{ */
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| 56 | typedef enum VDIMAGETYPE
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| 57 | {
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| 58 | /** Normal dynamically growing base image file. */
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| 59 | VD_IMAGE_TYPE_NORMAL = 1,
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| 60 | /** Preallocated base image file of a fixed size. */
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| 61 | VD_IMAGE_TYPE_FIXED,
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| 62 | /** Dynamically growing image file for undo/commit changes support. */
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| 63 | VD_IMAGE_TYPE_UNDO,
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| 64 | /** Dynamically growing image file for differencing support. */
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| 65 | VD_IMAGE_TYPE_DIFF,
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| 66 |
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| 67 | /** First valid image type value. */
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| 68 | VD_IMAGE_TYPE_FIRST = VD_IMAGE_TYPE_NORMAL,
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| 69 | /** Last valid image type value. */
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| 70 | VD_IMAGE_TYPE_LAST = VD_IMAGE_TYPE_DIFF
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| 71 | } VDIMAGETYPE;
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| 72 | /** Pointer to VBox HDD container image type. */
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| 73 | typedef VDIMAGETYPE *PVDIMAGETYPE;
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| 74 | /** @} */
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| 75 |
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| 76 | /** @name VBox HDD container image flags
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| 77 | * @{
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| 78 | */
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| 79 | /** No flags. */
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| 80 | #define VD_IMAGE_FLAGS_NONE (0)
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| 81 | /** VMDK: Split image into 2GB extents. */
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| 82 | #define VD_VMDK_IMAGE_FLAGS_SPLIT_2G (0x0001)
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| 83 | /** VMDK: Split image into 2GB extents. */
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| 84 | #define VD_VMDK_IMAGE_FLAGS_RAWDISK (0x0002)
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| 85 | /** VDI: Fill new blocks with zeroes while expanding image file. */
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| 86 | #define VD_VDI_IMAGE_FLAGS_ZERO_EXPAND (0x0100)
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| 87 |
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| 88 | /** Mask of valid image flags for VMDK. */
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| 89 | #define VD_VMDK_IMAGE_FLAGS_MASK (VD_IMAGE_FLAGS_NONE | VD_VMDK_IMAGE_FLAGS_SPLIT_2G | VD_VMDK_IMAGE_FLAGS_RAWDISK)
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| 90 |
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| 91 | /** Mask of valid image flags for VDI. */
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| 92 | #define VD_VDI_IMAGE_FLAGS_MASK (VD_IMAGE_FLAGS_NONE | VD_VDI_IMAGE_FLAGS_ZERO_EXPAND)
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| 93 |
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| 94 | /** Default image flags. */
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| 95 | #define VD_IMAGE_FLAGS_DEFAULT (VD_IMAGE_FLAGS_NONE)
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| 96 | /** @} */
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| 97 |
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| 98 | /** @name VBox HDD container image open mode flags
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| 99 | * @{
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| 100 | */
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| 101 | /** Try to open image in read/write exclusive access mode if possible, or in read-only elsewhere. */
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| 102 | #define VD_OPEN_FLAGS_NORMAL (0)
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| 103 | /** Open image in read-only mode with sharing access with others. */
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| 104 | #define VD_OPEN_FLAGS_READONLY (1)
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| 105 | /** Honor zero block writes instead of ignoring them whenever possible.
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| 106 | * This is not supported by all formats. It is silently ignored in this case. */
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| 107 | #define VD_OPEN_FLAGS_HONOR_ZEROES (2)
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| 108 | /** Mask of valid flags. */
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| 109 | #define VD_OPEN_FLAGS_MASK (VD_OPEN_FLAGS_NORMAL | VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_HONOR_ZEROES)
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| 110 | /** @}*/
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| 111 |
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| 112 | /**
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| 113 | * Error message callback.
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| 114 | *
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| 115 | * @param pvUser The opaque data passed on container creation.
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| 116 | * @param rc The VBox error code.
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| 117 | * @param RT_SRC_POS_DECL Use RT_SRC_POS.
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| 118 | * @param pszFormat Error message format string.
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| 119 | * @param va Error message arguments.
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| 120 | */
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| 121 | typedef DECLCALLBACK(void) FNVDERROR(void *pvUser, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va);
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| 122 | /** Pointer to a FNVDERROR(). */
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| 123 | typedef FNVDERROR *PFNVDERROR;
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| 124 |
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| 125 |
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| 126 | /**
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| 127 | * VBox HDD Container main structure.
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| 128 | */
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| 129 | /* Forward declaration, VBOXHDD structure is visible only inside VBox HDD module. */
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| 130 | struct VBOXHDD;
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| 131 | typedef struct VBOXHDD VBOXHDD;
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| 132 | typedef VBOXHDD *PVBOXHDD;
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| 133 |
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| 134 | /**
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| 135 | * Allocates and initializes an empty VBox HDD container.
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| 136 | * No image files are opened.
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| 137 | *
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| 138 | * @returns VBox status code.
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| 139 | * @param pszBackend Name of the image file backend to use.
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| 140 | * @param pfnError Callback for setting extended error information.
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| 141 | * @param pvErrorUser Opaque parameter for pfnError.
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| 142 | * @param ppDisk Where to store the reference to the VBox HDD container.
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| 143 | */
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| 144 | VBOXDDU_DECL(int) VDCreate(const char *pszBackend, PFNVDERROR pfnError, void *pvErrorUser, PVBOXHDD *ppDisk);
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| 145 |
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| 146 | /**
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| 147 | * Destroys the VBox HDD container.
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| 148 | * If container has opened image files they will be closed.
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| 149 | *
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| 150 | * @param pDisk Pointer to VBox HDD container.
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| 151 | */
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| 152 | VBOXDDU_DECL(void) VDDestroy(PVBOXHDD pDisk);
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| 153 |
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| 154 | /**
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| 155 | * Opens an image file.
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| 156 | *
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| 157 | * The first opened image file in a HDD container must have a base image type,
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| 158 | * others (next opened images) must be differencing or undo images.
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| 159 | * Linkage is checked for differencing image to be consistent with the previously opened image.
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| 160 | * When another differencing image is opened and the last image was opened in read/write access
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| 161 | * mode, then the last image is reopened in read-only with deny write sharing mode. This allows
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| 162 | * other processes to use images in read-only mode too.
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| 163 | *
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| 164 | * Note that the image is opened in read-only mode if a read/write open is not possible.
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| 165 | * Use VDIsReadOnly to check open mode.
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| 166 | *
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| 167 | * @returns VBox status code.
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| 168 | * @param pDisk Pointer to VBox HDD container.
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| 169 | * @param pszFilename Name of the image file to open.
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| 170 | * @param uOpenFlags Image file open mode, see VD_OPEN_FLAGS_* constants.
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| 171 | */
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| 172 | VBOXDDU_DECL(int) VDOpen(PVBOXHDD pDisk, const char *pszFilename, unsigned uOpenFlags);
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| 173 |
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| 174 | /**
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| 175 | * Creates and opens a new base image file.
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| 176 | *
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| 177 | * @returns VBox status code.
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| 178 | * @param pDisk Pointer to VBox HDD container.
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| 179 | * @param pszFilename Name of the image file to create.
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| 180 | * @param enmType Image type, only base image types are acceptable.
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| 181 | * @param cbSize Image size in bytes.
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| 182 | * @param uImageFlags Flags specifying special image features.
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| 183 | * @param pszComment Pointer to image comment. NULL is ok.
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| 184 | * @param uOpenFlags Image file open mode, see VD_OPEN_FLAGS_* constants.
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| 185 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
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| 186 | * @param pvUser User argument for the progress callback.
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| 187 | */
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| 188 | VBOXDDU_DECL(int) VDCreateBase(PVBOXHDD pDisk, const char *pszFilename,
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| 189 | VDIMAGETYPE enmType, uint64_t cbSize,
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| 190 | unsigned uImageFlags, const char *pszComment,
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| 191 | unsigned uOpenFlags,
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| 192 | PFNVMPROGRESS pfnProgress, void *pvUser);
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| 193 |
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| 194 | /**
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| 195 | * Creates and opens a new differencing image file in HDD container.
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| 196 | * See comments for VDOpen function about differencing images.
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| 197 | *
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| 198 | * @returns VBox status code.
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| 199 | * @param pDisk Pointer to VBox HDD container.
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| 200 | * @param pszFilename Name of the differencing image file to create.
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| 201 | * @param uImageFlags Flags specifying special image features.
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| 202 | * @param pszComment Pointer to image comment. NULL is ok.
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| 203 | * @param uOpenFlags Image file open mode, see VD_OPEN_FLAGS_* constants.
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| 204 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
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| 205 | * @param pvUser User argument for the progress callback.
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| 206 | */
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| 207 | VBOXDDU_DECL(int) VDCreateDiff(PVBOXHDD pDisk, const char *pszFilename,
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| 208 | unsigned uImageFlags, const char *pszComment,
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| 209 | unsigned uOpenFlags,
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| 210 | PFNVMPROGRESS pfnProgress, void *pvUser);
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| 211 |
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| 212 | /**
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| 213 | * Merges two images having a parent/child relationship (both directions).
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| 214 | * As a side effect the source image is deleted from both the disk and
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| 215 | * the images in the VBox HDD container.
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| 216 | *
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| 217 | * @returns VBox status code.
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| 218 | * @param pDisk Pointer to VBox HDD container.
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| 219 | * @param nImageFrom Name of the image file to merge from.
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| 220 | * @param nImageTo Name of the image file to merge to.
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| 221 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
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| 222 | * @param pvUser User argument for the progress callback.
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| 223 | */
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| 224 | VBOXDDU_DECL(int) VDMerge(PVBOXHDD pDisk, unsigned nImageFrom, unsigned nImageTo,
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| 225 | PFNVMPROGRESS pfnProgress, void *pvUser);
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| 226 |
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| 227 | /**
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| 228 | * Copies an image from one VBox HDD container to another.
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| 229 | * The copy is opened in the target VBox HDD container.
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| 230 | * It is possible to convert between different image formats, because the
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| 231 | * backend for the destination VBox HDD container may be different from the
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| 232 | * source container.
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| 233 | * If both the source and destination reference the same VBox HDD container,
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| 234 | * then the image is moved (by copying/deleting) to the new location.
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| 235 | * The source container is unchanged if the move operation fails, otherwise
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| 236 | * the image at the new location is opened in the same way as the old one was.
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| 237 | *
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| 238 | * @returns VBox status code.
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| 239 | * @param pDiskFrom Pointer to source VBox HDD container.
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| 240 | * @param nImage Image number, counts from 0. 0 is always base image of container.
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| 241 | * @param pDiskTo Pointer to destination VBox HDD container.
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| 242 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
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| 243 | * @param pvUser User argument for the progress callback.
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| 244 | */
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| 245 | VBOXDDU_DECL(int) VDCopy(PVBOXHDD pDiskFrom, unsigned nImage, PVBOXHDD pDiskTo,
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| 246 | PFNVMPROGRESS pfnProgress, void *pvUser);
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| 247 |
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| 248 | /**
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| 249 | * Compacts a growing image file by removing zeroed data blocks.
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| 250 | * Optionally defragments data in the image so that ascending sector numbers
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| 251 | * are stored in ascending location in the image file.
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| 252 | *
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| 253 | * @todo maybe include this function in VDCopy.
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| 254 | *
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| 255 | * @returns VBox status code.
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| 256 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
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| 257 | * @param pDisk Pointer to VBox HDD container.
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| 258 | * @param nImage Image number, counts from 0. 0 is always base image of container.
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| 259 | * @param fDefragment If true, reorder file data so that sectors are stored in ascending order.
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| 260 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
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| 261 | * @param pvUser User argument for the progress callback.
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| 262 | */
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| 263 | VBOXDDU_DECL(int) VDCompact(PVBOXHDD pDisk, unsigned nImage,
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| 264 | bool fDefragment,
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| 265 | PFNVMPROGRESS pfnProgress, void *pvUser);
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| 266 |
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| 267 | /**
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| 268 | * Resizes an image. Allows setting the disk size to both larger and smaller
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| 269 | * values than the current disk size.
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| 270 | *
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| 271 | * @returns VBox status code.
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| 272 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
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| 273 | * @param pDisk Pointer to VBox HDD container.
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| 274 | * @param nImage Image number, counts from 0. 0 is always base image of container.
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| 275 | * @param cbSize New image size in bytes.
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| 276 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
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| 277 | * @param pvUser User argument for the progress callback.
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| 278 | */
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| 279 | VBOXDDU_DECL(int) VDResize(PVBOXHDD pDisk, unsigned nImage, uint64_t cbSize,
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| 280 | PFNVMPROGRESS pfnProgress, void *pvUser);
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| 281 |
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| 282 | /**
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| 283 | * Closes the last opened image file in the HDD container. Leaves all changes inside it.
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| 284 | * If previous image file was opened in read-only mode (that is normal) and closing image
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| 285 | * was opened in read-write mode (the whole disk was in read-write mode) - the previous image
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| 286 | * will be reopened in read/write mode.
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| 287 | *
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| 288 | * @param pDisk Pointer to VBox HDD container.
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| 289 | * @param fDelete If true, delete the image from the host disk.
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| 290 | */
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| 291 | VBOXDDU_DECL(int) VDClose(PVBOXHDD pDisk, bool fDelete);
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| 292 |
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| 293 | /**
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| 294 | * Closes all opened image files in HDD container.
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| 295 | *
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| 296 | * @param pDisk Pointer to VBox HDD container.
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| 297 | */
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| 298 | VBOXDDU_DECL(int) VDCloseAll(PVBOXHDD pDisk);
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| 299 |
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| 300 | /**
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| 301 | * Read data from virtual HDD.
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| 302 | *
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| 303 | * @returns VBox status code.
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| 304 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
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| 305 | * @param pDisk Pointer to VBox HDD container.
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| 306 | * @param uOffset Offset of first reading byte from start of disk.
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| 307 | * @param pvBuf Pointer to buffer for reading data.
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| 308 | * @param cbRead Number of bytes to read.
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| 309 | */
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| 310 | VBOXDDU_DECL(int) VDRead(PVBOXHDD pDisk, uint64_t uOffset, void *pvBuf, size_t cbRead);
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| 311 |
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| 312 | /**
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| 313 | * Write data to virtual HDD.
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| 314 | *
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| 315 | * @returns VBox status code.
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| 316 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
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| 317 | * @param pDisk Pointer to VBox HDD container.
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| 318 | * @param uOffset Offset of first writing byte from start of disk.
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| 319 | * @param pvBuf Pointer to buffer for writing data.
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| 320 | * @param cbWrite Number of bytes to write.
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| 321 | */
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| 322 | VBOXDDU_DECL(int) VDWrite(PVBOXHDD pDisk, uint64_t uOffset, const void *pvBuf, size_t cbWrite);
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| 323 |
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| 324 | /**
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| 325 | * Make sure the on disk representation of a virtual HDD is up to date.
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| 326 | *
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| 327 | * @returns VBox status code.
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| 328 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
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| 329 | * @param pDisk Pointer to VBox HDD container.
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| 330 | */
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| 331 | VBOXDDU_DECL(int) VDFlush(PVBOXHDD pDisk);
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| 332 |
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| 333 | /**
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| 334 | * Get number of opened images in HDD container.
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| 335 | *
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| 336 | * @returns Number of opened images for HDD container. 0 if no images have been opened.
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| 337 | * @param pDisk Pointer to VBox HDD container.
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| 338 | */
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| 339 | VBOXDDU_DECL(unsigned) VDGetCount(PVBOXHDD pDisk);
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| 340 |
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| 341 | /**
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| 342 | * Get read/write mode of the VBox HDD container.
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| 343 | *
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| 344 | * @returns Virtual disk ReadOnly status.
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| 345 | * @returns true if no image is opened in HDD container.
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| 346 | * @param pDisk Pointer to VBox HDD container.
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| 347 | */
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| 348 | VBOXDDU_DECL(bool) VDIsReadOnly(PVBOXHDD pDisk);
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| 349 |
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| 350 | /**
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| 351 | * Get total disk size of the VBox HDD container.
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| 352 | *
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| 353 | * @returns Virtual disk size in bytes.
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| 354 | * @returns 0 if no image is opened in HDD container.
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| 355 | * @param pDisk Pointer to VBox HDD container.
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| 356 | */
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| 357 | VBOXDDU_DECL(uint64_t) VDGetSize(PVBOXHDD pDisk);
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| 358 |
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| 359 | /**
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| 360 | * Get virtual disk geometry stored in HDD container.
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| 361 | *
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| 362 | * @returns VBox status code.
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| 363 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
|
|---|
| 364 | * @returns VERR_VDI_GEOMETRY_NOT_SET if no geometry present in the HDD container.
|
|---|
| 365 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 366 | * @param pcCylinders Where to store the number of cylinders. NULL is ok.
|
|---|
| 367 | * @param pcHeads Where to store the number of heads. NULL is ok.
|
|---|
| 368 | * @param pcSectors Where to store the number of sectors. NULL is ok.
|
|---|
| 369 | */
|
|---|
| 370 | VBOXDDU_DECL(int) VDGetGeometry(PVBOXHDD pDisk,
|
|---|
| 371 | unsigned *pcCylinders, unsigned *pcHeads, unsigned *pcSectors);
|
|---|
| 372 |
|
|---|
| 373 | /**
|
|---|
| 374 | * Store virtual disk geometry in HDD container.
|
|---|
| 375 | *
|
|---|
| 376 | * Note that in case of unrecoverable error all images in HDD container will be closed.
|
|---|
| 377 | *
|
|---|
| 378 | * @returns VBox status code.
|
|---|
| 379 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
|
|---|
| 380 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 381 | * @param cCylinders Number of cylinders.
|
|---|
| 382 | * @param cHeads Number of heads.
|
|---|
| 383 | * @param cSectors Number of sectors.
|
|---|
| 384 | */
|
|---|
| 385 | VBOXDDU_DECL(int) VDSetGeometry(PVBOXHDD pDisk,
|
|---|
| 386 | unsigned cCylinders, unsigned cHeads, unsigned cSectors);
|
|---|
| 387 |
|
|---|
| 388 | /**
|
|---|
| 389 | * Get virtual disk translation mode stored in HDD container.
|
|---|
| 390 | *
|
|---|
| 391 | * @returns VBox status code.
|
|---|
| 392 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
|
|---|
| 393 | * @returns VERR_VDI_GEOMETRY_NOT_SET if no geometry present in the HDD container.
|
|---|
| 394 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 395 | * @param penmTranslation Where to store the translation mode (see pdm.h).
|
|---|
| 396 | */
|
|---|
| 397 | VBOXDDU_DECL(int) VDGetTranslation(PVBOXHDD pDisk, PPDMBIOSTRANSLATION penmTranslation);
|
|---|
| 398 |
|
|---|
| 399 | /**
|
|---|
| 400 | * Store virtual disk translation mode in HDD container.
|
|---|
| 401 | *
|
|---|
| 402 | * Note that in case of unrecoverable error all images in HDD container will be closed.
|
|---|
| 403 | *
|
|---|
| 404 | * @returns VBox status code.
|
|---|
| 405 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
|
|---|
| 406 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 407 | * @param enmTranslation Translation mode (see pdm.h).
|
|---|
| 408 | */
|
|---|
| 409 | VBOXDDU_DECL(int) VDSetTranslation(PVBOXHDD pDisk, PDMBIOSTRANSLATION enmTranslation);
|
|---|
| 410 |
|
|---|
| 411 | /**
|
|---|
| 412 | * Get version of image in HDD container.
|
|---|
| 413 | *
|
|---|
| 414 | * @returns VBox status code.
|
|---|
| 415 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 416 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 417 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 418 | * @param puVersion Where to store the image version.
|
|---|
| 419 | */
|
|---|
| 420 | VBOXDDU_DECL(int) VDGetVersion(PVBOXHDD pDisk, unsigned nImage, unsigned *puVersion);
|
|---|
| 421 |
|
|---|
| 422 | /**
|
|---|
| 423 | * Get type of image in HDD container.
|
|---|
| 424 | *
|
|---|
| 425 | * @returns VBox status code.
|
|---|
| 426 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 427 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 428 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 429 | * @param penmType Where to store the image type.
|
|---|
| 430 | */
|
|---|
| 431 | VBOXDDU_DECL(int) VDGetImageType(PVBOXHDD pDisk, unsigned nImage, PVDIMAGETYPE penmType);
|
|---|
| 432 |
|
|---|
| 433 | /**
|
|---|
| 434 | * Get flags of image in HDD container.
|
|---|
| 435 | *
|
|---|
| 436 | * @returns VBox status code.
|
|---|
| 437 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 438 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 439 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 440 | * @param puImageFlags Where to store the image flags.
|
|---|
| 441 | */
|
|---|
| 442 | VBOXDDU_DECL(int) VDGetImageFlags(PVBOXHDD pDisk, unsigned nImage, unsigned *puImageFlags);
|
|---|
| 443 |
|
|---|
| 444 | /**
|
|---|
| 445 | * Get open flags of last opened image in HDD container.
|
|---|
| 446 | *
|
|---|
| 447 | * @returns VBox status code.
|
|---|
| 448 | * @returns VERR_VDI_NOT_OPENED if no image is opened in HDD container.
|
|---|
| 449 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 450 | * @param puOpenFlags Where to store the image open flags.
|
|---|
| 451 | */
|
|---|
| 452 | VBOXDDU_DECL(int) VDGetOpenFlags(PVBOXHDD pDisk, unsigned *puOpenFlags);
|
|---|
| 453 |
|
|---|
| 454 | /**
|
|---|
| 455 | * Set open flags of last opened image in HDD container.
|
|---|
| 456 | * This operation may cause file locking changes and/or files being reopened.
|
|---|
| 457 | * Note that in case of unrecoverable error all images in HDD container will be closed.
|
|---|
| 458 | *
|
|---|
| 459 | * @returns VBox status code.
|
|---|
| 460 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 461 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 462 | * @param uOpenFlags Image file open mode, see VD_OPEN_FLAGS_* constants.
|
|---|
| 463 | */
|
|---|
| 464 | VBOXDDU_DECL(int) VDSetOpenFlags(PVBOXHDD pDisk, unsigned uOpenFlags);
|
|---|
| 465 |
|
|---|
| 466 | /**
|
|---|
| 467 | * Get base filename of image in HDD container. Some image formats use
|
|---|
| 468 | * other filenames as well, so don't use this for anything but for informational
|
|---|
| 469 | * purposes.
|
|---|
| 470 | *
|
|---|
| 471 | * @returns VBox status code.
|
|---|
| 472 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 473 | * @returns VERR_BUFFER_OVERFLOW if pszFilename buffer too small to hold filename.
|
|---|
| 474 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 475 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 476 | * @param pszFilename Where to store the image file name.
|
|---|
| 477 | * @param cbFilename Size of buffer pszFilename points to.
|
|---|
| 478 | */
|
|---|
| 479 | VBOXDDU_DECL(int) VDGetFilename(PVBOXHDD pDisk, unsigned nImage, char *pszFilename, unsigned cbFilename);
|
|---|
| 480 |
|
|---|
| 481 | /**
|
|---|
| 482 | * Get the comment line of image in HDD container.
|
|---|
| 483 | *
|
|---|
| 484 | * @returns VBox status code.
|
|---|
| 485 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 486 | * @returns VERR_BUFFER_OVERFLOW if pszComment buffer too small to hold comment text.
|
|---|
| 487 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 488 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 489 | * @param pszComment Where to store the comment string of image. NULL is ok.
|
|---|
| 490 | * @param cbComment The size of pszComment buffer. 0 is ok.
|
|---|
| 491 | */
|
|---|
| 492 | VBOXDDU_DECL(int) VDGetComment(PVBOXHDD pDisk, unsigned nImage, char *pszComment, unsigned cbComment);
|
|---|
| 493 |
|
|---|
| 494 | /**
|
|---|
| 495 | * Changes the comment line of image in HDD container.
|
|---|
| 496 | *
|
|---|
| 497 | * @returns VBox status code.
|
|---|
| 498 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 499 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 500 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 501 | * @param pszComment New comment string (UTF-8). NULL is allowed to reset the comment.
|
|---|
| 502 | */
|
|---|
| 503 | VBOXDDU_DECL(int) VDSetComment(PVBOXHDD pDisk, unsigned nImage, const char *pszComment);
|
|---|
| 504 |
|
|---|
| 505 | /**
|
|---|
| 506 | * Get UUID of image in HDD container.
|
|---|
| 507 | *
|
|---|
| 508 | * @returns VBox status code.
|
|---|
| 509 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 510 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 511 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 512 | * @param pUuid Where to store the image UUID.
|
|---|
| 513 | */
|
|---|
| 514 | VBOXDDU_DECL(int) VDGetUuid(PVBOXHDD pDisk, unsigned nImage, PRTUUID pUuid);
|
|---|
| 515 |
|
|---|
| 516 | /**
|
|---|
| 517 | * Set the image's UUID. Should not be used by normal applications.
|
|---|
| 518 | *
|
|---|
| 519 | * @returns VBox status code.
|
|---|
| 520 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 521 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 522 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 523 | * @param pUuid Optional parameter, new UUID of the image.
|
|---|
| 524 | */
|
|---|
| 525 | VBOXDDU_DECL(int) VDSetUuid(PVBOXHDD pDisk, unsigned nImage, PCRTUUID pUuid);
|
|---|
| 526 |
|
|---|
| 527 | /**
|
|---|
| 528 | * Get last modification UUID of image in HDD container.
|
|---|
| 529 | *
|
|---|
| 530 | * @returns VBox status code.
|
|---|
| 531 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 532 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 533 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 534 | * @param pUuid Where to store the image modification UUID.
|
|---|
| 535 | */
|
|---|
| 536 | VBOXDDU_DECL(int) VDGetModificationUuid(PVBOXHDD pDisk, unsigned nImage, PRTUUID pUuid);
|
|---|
| 537 |
|
|---|
| 538 | /**
|
|---|
| 539 | * Set the image's last modification UUID. Should not be used by normal applications.
|
|---|
| 540 | *
|
|---|
| 541 | * @returns VBox status code.
|
|---|
| 542 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 543 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 544 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 545 | * @param pUuid Optional parameter, new last modification UUID of the image.
|
|---|
| 546 | */
|
|---|
| 547 | VBOXDDU_DECL(int) VDSetModificationUuid(PVBOXHDD pDisk, unsigned nImage, PCRTUUID pUuid);
|
|---|
| 548 |
|
|---|
| 549 | /**
|
|---|
| 550 | * Get parent UUID of image in HDD container.
|
|---|
| 551 | *
|
|---|
| 552 | * @returns VBox status code.
|
|---|
| 553 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 554 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 555 | * @param nImage Image number, counts from 0. 0 is always base image of the container.
|
|---|
| 556 | * @param pUuid Where to store the parent image UUID.
|
|---|
| 557 | */
|
|---|
| 558 | VBOXDDU_DECL(int) VDGetParentUuid(PVBOXHDD pDisk, unsigned nImage, PRTUUID pUuid);
|
|---|
| 559 |
|
|---|
| 560 | /**
|
|---|
| 561 | * Set the image's parent UUID. Should not be used by normal applications.
|
|---|
| 562 | *
|
|---|
| 563 | * @returns VBox status code.
|
|---|
| 564 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 565 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 566 | * @param pUuid Optional parameter, new parent UUID of the image.
|
|---|
| 567 | */
|
|---|
| 568 | VBOXDDU_DECL(int) VDSetParentUuid(PVBOXHDD pDisk, unsigned nImage, PCRTUUID pUuid);
|
|---|
| 569 |
|
|---|
| 570 |
|
|---|
| 571 | /**
|
|---|
| 572 | * Debug helper - dumps all opened images in HDD container into the log file.
|
|---|
| 573 | *
|
|---|
| 574 | * @param pDisk Pointer to VBox HDD container.
|
|---|
| 575 | */
|
|---|
| 576 | VBOXDDU_DECL(void) VDDumpImages(PVBOXHDD pDisk);
|
|---|
| 577 |
|
|---|
| 578 | __END_DECLS
|
|---|
| 579 |
|
|---|
| 580 | /** @} */
|
|---|
| 581 |
|
|---|
| 582 | #endif
|
|---|
