| 1 | /** @file
|
|---|
| 2 | * VBox HDD Container, Virtual Disk Image (VDI) API.
|
|---|
| 3 | */
|
|---|
| 4 |
|
|---|
| 5 | /*
|
|---|
| 6 | * Copyright (C) 2006-2007 innotek GmbH
|
|---|
| 7 | *
|
|---|
| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 9 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 10 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 11 | * General Public License as published by the Free Software Foundation,
|
|---|
| 12 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
|
|---|
| 13 | * distribution. VirtualBox OSE is distributed in the hope that it will
|
|---|
| 14 | * be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 15 | */
|
|---|
| 16 |
|
|---|
| 17 | #ifndef ___VBox_VBoxHDD_h
|
|---|
| 18 | #define ___VBox_VBoxHDD_h
|
|---|
| 19 |
|
|---|
| 20 | #include <VBox/cdefs.h>
|
|---|
| 21 | #include <VBox/types.h>
|
|---|
| 22 | #include <VBox/param.h>
|
|---|
| 23 | #include <VBox/pdm.h>
|
|---|
| 24 | #include <VBox/vmapi.h>
|
|---|
| 25 |
|
|---|
| 26 | __BEGIN_DECLS
|
|---|
| 27 |
|
|---|
| 28 | #ifdef IN_RING0
|
|---|
| 29 | # error "There are no VDI APIs available in Ring-0 Host Context!"
|
|---|
| 30 | #endif
|
|---|
| 31 |
|
|---|
| 32 | /** @defgroup grp_vbox_hdd VBox HDD Container
|
|---|
| 33 | * @{
|
|---|
| 34 | */
|
|---|
| 35 |
|
|---|
| 36 | /** Image info, not handled anyhow.
|
|---|
| 37 | * Must be less than 64 bytes in length, including the trailing 0.
|
|---|
| 38 | */
|
|---|
| 39 | #define VDI_IMAGE_FILE_INFO "<<< innotek VirtualBox Disk Image >>>\n"
|
|---|
| 40 |
|
|---|
| 41 | /** Current image major version. */
|
|---|
| 42 | #define VDI_IMAGE_VERSION_MAJOR (0x0001)
|
|---|
| 43 | /** Current image minor version. */
|
|---|
| 44 | #define VDI_IMAGE_VERSION_MINOR (0x0001)
|
|---|
| 45 | /** Current image version. */
|
|---|
| 46 | #define VDI_IMAGE_VERSION ((VDI_IMAGE_VERSION_MAJOR << 16) | VDI_IMAGE_VERSION_MINOR)
|
|---|
| 47 |
|
|---|
| 48 | /** Get major version from combined version. */
|
|---|
| 49 | #define VDI_GET_VERSION_MAJOR(uVer) ((uVer) >> 16)
|
|---|
| 50 | /** Get minor version from combined version. */
|
|---|
| 51 | #define VDI_GET_VERSION_MINOR(uVer) ((uVer) & 0xffff)
|
|---|
| 52 |
|
|---|
| 53 | /** @name VDI image types
|
|---|
| 54 | * @{ */
|
|---|
| 55 | typedef enum VDIIMAGETYPE
|
|---|
| 56 | {
|
|---|
| 57 | /** Normal dynamically growing base image file. */
|
|---|
| 58 | VDI_IMAGE_TYPE_NORMAL = 1,
|
|---|
| 59 | /** Preallocated base image file of a fixed size. */
|
|---|
| 60 | VDI_IMAGE_TYPE_FIXED,
|
|---|
| 61 | /** Dynamically growing image file for undo/commit changes support. */
|
|---|
| 62 | VDI_IMAGE_TYPE_UNDO,
|
|---|
| 63 | /** Dynamically growing image file for differencing support. */
|
|---|
| 64 | VDI_IMAGE_TYPE_DIFF,
|
|---|
| 65 |
|
|---|
| 66 | /** First valid image type value. */
|
|---|
| 67 | VDI_IMAGE_TYPE_FIRST = VDI_IMAGE_TYPE_NORMAL,
|
|---|
| 68 | /** Last valid image type value. */
|
|---|
| 69 | VDI_IMAGE_TYPE_LAST = VDI_IMAGE_TYPE_DIFF
|
|---|
| 70 | } VDIIMAGETYPE;
|
|---|
| 71 | /** Pointer to VDI image type. */
|
|---|
| 72 | typedef VDIIMAGETYPE *PVDIIMAGETYPE;
|
|---|
| 73 | /** @} */
|
|---|
| 74 |
|
|---|
| 75 | /** @name VDI image flags
|
|---|
| 76 | * @{ */
|
|---|
| 77 | /** No flags. */
|
|---|
| 78 | #define VDI_IMAGE_FLAGS_NONE (0x00)
|
|---|
| 79 | /** Fill new blocks with zeroes while expanding image file. */
|
|---|
| 80 | #define VDI_IMAGE_FLAGS_ZERO_EXPAND (0x01)
|
|---|
| 81 |
|
|---|
| 82 | /** Mask of valid image flags. */
|
|---|
| 83 | #define VDI_IMAGE_FLAGS_MASK (VDI_IMAGE_FLAGS_NONE | VDI_IMAGE_FLAGS_ZERO_EXPAND)
|
|---|
| 84 |
|
|---|
| 85 | /** Default image flags. */
|
|---|
| 86 | #define VDI_IMAGE_FLAGS_DEFAULT (VDI_IMAGE_FLAGS_NONE)
|
|---|
| 87 | /** @} */
|
|---|
| 88 |
|
|---|
| 89 | /** @name VDI image open mode flags
|
|---|
| 90 | * @{
|
|---|
| 91 | */
|
|---|
| 92 | /** Try to open image in read/write exclusive access mode if possible, or in read-only elsewhere. */
|
|---|
| 93 | #define VDI_OPEN_FLAGS_NORMAL (0)
|
|---|
| 94 | /** Open image in read-only mode with sharing access with others. */
|
|---|
| 95 | #define VDI_OPEN_FLAGS_READONLY (1)
|
|---|
| 96 | /** Mask of valid flags. */
|
|---|
| 97 | #define VDI_OPEN_FLAGS_MASK (VDI_OPEN_FLAGS_NORMAL | VDI_OPEN_FLAGS_READONLY)
|
|---|
| 98 | /** @}*/
|
|---|
| 99 |
|
|---|
| 100 | /**
|
|---|
| 101 | * VBox VDI disk Container main structure.
|
|---|
| 102 | */
|
|---|
| 103 | /* Forward declaration, VDIDISK structure is visible only inside VDI module. */
|
|---|
| 104 | struct VDIDISK;
|
|---|
| 105 | typedef struct VDIDISK VDIDISK;
|
|---|
| 106 | typedef VDIDISK *PVDIDISK;
|
|---|
| 107 |
|
|---|
| 108 | /**
|
|---|
| 109 | * Creates a new base image file.
|
|---|
| 110 | *
|
|---|
| 111 | * @returns VBox status code.
|
|---|
| 112 | * @param pszFilename Name of the image file to create.
|
|---|
| 113 | * @param enmType Image type, only base image types are acceptable.
|
|---|
| 114 | * @param cbSize Image size in bytes.
|
|---|
| 115 | * @param pszComment Pointer to image comment. NULL is ok.
|
|---|
| 116 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
|
|---|
| 117 | * @param pvUser User argument for the progress callback.
|
|---|
| 118 | */
|
|---|
| 119 | VBOXDDU_DECL(int) VDICreateBaseImage(const char *pszFilename, VDIIMAGETYPE enmType, uint64_t cbSize, const char *pszComment,
|
|---|
| 120 | PFNVMPROGRESS pfnProgress, void *pvUser);
|
|---|
| 121 |
|
|---|
| 122 | /**
|
|---|
| 123 | * Creates a differencing dynamically growing image file for specified parent image.
|
|---|
| 124 | *
|
|---|
| 125 | * @returns VBox status code.
|
|---|
| 126 | * @param pszFilename Name of the differencing image file to create.
|
|---|
| 127 | * @param pszParent Name of the parent image file. May be base or diff image type.
|
|---|
| 128 | * @param pszComment Pointer to image comment. NULL is ok.
|
|---|
| 129 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
|
|---|
| 130 | * @param pvUser User argument for the progress callback.
|
|---|
| 131 | */
|
|---|
| 132 | VBOXDDU_DECL(int) VDICreateDifferenceImage(const char *pszFilename, const char *pszParent, const char *pszComment,
|
|---|
| 133 | PFNVMPROGRESS pfnProgress, void *pvUser);
|
|---|
| 134 |
|
|---|
| 135 | /**
|
|---|
| 136 | * Checks if image is available and not broken, returns some useful image parameters if requested.
|
|---|
| 137 | *
|
|---|
| 138 | * @returns VBox status code.
|
|---|
| 139 | * @param pszFilename Name of the image file to check.
|
|---|
| 140 | * @param puVersion Where to store the version of image. NULL is ok.
|
|---|
| 141 | * @param penmType Where to store the type of image. NULL is ok.
|
|---|
| 142 | * @param pcbSize Where to store the size of image in bytes. NULL is ok.
|
|---|
| 143 | * @param pUuid Where to store the uuid of image creation. NULL is ok.
|
|---|
| 144 | * @param pParentUuid Where to store the uuid of the parent image (if any). NULL is ok.
|
|---|
| 145 | * @param pszComment Where to store the comment string of image. NULL is ok.
|
|---|
| 146 | * @param cbComment The size of pszComment buffer. 0 is ok.
|
|---|
| 147 | */
|
|---|
| 148 | VBOXDDU_DECL(int) VDICheckImage(const char *pszFilename,
|
|---|
| 149 | unsigned *puVersion,
|
|---|
| 150 | PVDIIMAGETYPE penmType,
|
|---|
| 151 | uint64_t *pcbSize,
|
|---|
| 152 | PRTUUID pUuid,
|
|---|
| 153 | PRTUUID pParentUuid,
|
|---|
| 154 | char *pszComment,
|
|---|
| 155 | unsigned cbComment);
|
|---|
| 156 |
|
|---|
| 157 | /**
|
|---|
| 158 | * Changes an image's comment string.
|
|---|
| 159 | *
|
|---|
| 160 | * @returns VBox status code.
|
|---|
| 161 | * @param pszFilename Name of the image file to operate on.
|
|---|
| 162 | * @param pszComment New comment string (UTF-8). NULL is allowed to reset the comment.
|
|---|
| 163 | */
|
|---|
| 164 | VBOXDDU_DECL(int) VDISetImageComment(const char *pszFilename, const char *pszComment);
|
|---|
| 165 |
|
|---|
| 166 | /**
|
|---|
| 167 | * Deletes a valid image file. Fails if specified file is not an image.
|
|---|
| 168 | *
|
|---|
| 169 | * @returns VBox status code.
|
|---|
| 170 | * @param pszFilename Name of the image file to check.
|
|---|
| 171 | */
|
|---|
| 172 | VBOXDDU_DECL(int) VDIDeleteImage(const char *pszFilename);
|
|---|
| 173 |
|
|---|
| 174 | /**
|
|---|
| 175 | * Makes a copy of image file with a new (other) creation uuid.
|
|---|
| 176 | *
|
|---|
| 177 | * @returns VBox status code.
|
|---|
| 178 | * @param pszDstFilename Name of the image file to create.
|
|---|
| 179 | * @param pszSrcFilename Name of the image file to copy from.
|
|---|
| 180 | * @param pszComment Pointer to image comment. If NULL, the comment
|
|---|
| 181 | * will be copied from the source image.
|
|---|
| 182 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
|
|---|
| 183 | * @param pvUser User argument for the progress callback.
|
|---|
| 184 | */
|
|---|
| 185 | VBOXDDU_DECL(int) VDICopyImage(const char *pszDstFilename, const char *pszSrcFilename, const char *pszComment,
|
|---|
| 186 | PFNVMPROGRESS pfnProgress, void *pvUser);
|
|---|
| 187 |
|
|---|
| 188 | /**
|
|---|
| 189 | * Converts image file from older VDI formats to current one.
|
|---|
| 190 | *
|
|---|
| 191 | * @returns VBox status code.
|
|---|
| 192 | * @param pszFilename Name of the image file to convert.
|
|---|
| 193 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
|
|---|
| 194 | * @param pvUser User argument for the progress callback.
|
|---|
| 195 | */
|
|---|
| 196 | VBOXDDU_DECL(int) VDIConvertImage(const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser);
|
|---|
| 197 |
|
|---|
| 198 | /**
|
|---|
| 199 | * Shrinks growing image file by removing zeroed data blocks.
|
|---|
| 200 | *
|
|---|
| 201 | * @returns VBox status code.
|
|---|
| 202 | * @param pszFilename Name of the image file to shrink.
|
|---|
| 203 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
|
|---|
| 204 | * @param pvUser User argument for the progress callback.
|
|---|
| 205 | */
|
|---|
| 206 | VBOXDDU_DECL(int) VDIShrinkImage(const char *pszFilename, PFNVMPROGRESS pfnProgress, void *pvUser);
|
|---|
| 207 |
|
|---|
| 208 | /**
|
|---|
| 209 | * Queries the image's UUID and parent UUIDs.
|
|---|
| 210 | *
|
|---|
| 211 | * @returns VBox status code.
|
|---|
| 212 | * @param pszFilename Name of the image file to operate on.
|
|---|
| 213 | * @param pUuid Where to store image UUID (can be NULL).
|
|---|
| 214 | * @param pModificationUuid Where to store modification UUID (can be NULL).
|
|---|
| 215 | * @param pParentUuuid Where to store parent UUID (can be NULL).
|
|---|
| 216 | * @param pParentModificationUuid Where to store parent modification UUID (can be NULL).
|
|---|
| 217 | */
|
|---|
| 218 | VBOXDDU_DECL(int) VDIGetImageUUIDs(const char *pszFilename,
|
|---|
| 219 | PRTUUID pUuid, PRTUUID pModificationUuid,
|
|---|
| 220 | PRTUUID pParentUuid, PRTUUID pParentModificationUuid);
|
|---|
| 221 |
|
|---|
| 222 |
|
|---|
| 223 | /**
|
|---|
| 224 | * Changes the image's UUID and parent UUIDs.
|
|---|
| 225 | *
|
|---|
| 226 | * @returns VBox status code.
|
|---|
| 227 | * @param pszFilename Name of the image file to operate on.
|
|---|
| 228 | * @param pUuid Optional parameter, new UUID of the image.
|
|---|
| 229 | * @param pModificationUuid Optional parameter, new modification UUID of the image.
|
|---|
| 230 | * @param pParentUuuid Optional parameter, new parent UUID of the image.
|
|---|
| 231 | * @param pParentModificationUuid Optional parameter, new parent modification UUID of the image.
|
|---|
| 232 | */
|
|---|
| 233 | VBOXDDU_DECL(int) VDISetImageUUIDs(const char *pszFilename,
|
|---|
| 234 | PCRTUUID pUuid, PCRTUUID pModificationUuid,
|
|---|
| 235 | PCRTUUID pParentUuid, PCRTUUID pParentModificationUuid);
|
|---|
| 236 |
|
|---|
| 237 | /**
|
|---|
| 238 | * Merges two images having a parent/child relationship (both directions).
|
|---|
| 239 | *
|
|---|
| 240 | * @returns VBox status code.
|
|---|
| 241 | * @param pszFilenameFrom Name of the image file to merge from.
|
|---|
| 242 | * @param pszFilenameTo Name of the image file to merge into.
|
|---|
| 243 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
|
|---|
| 244 | * @param pvUser User argument for the progress callback.
|
|---|
| 245 | */
|
|---|
| 246 | VBOXDDU_DECL(int) VDIMergeImage(const char *pszFilenameFrom, const char *pszFilenameTo,
|
|---|
| 247 | PFNVMPROGRESS pfnProgress, void *pvUser);
|
|---|
| 248 |
|
|---|
| 249 |
|
|---|
| 250 | /**
|
|---|
| 251 | * Allocates and initializes an empty VDI HDD container.
|
|---|
| 252 | * No image files are opened.
|
|---|
| 253 | *
|
|---|
| 254 | * @returns Pointer to newly created empty HDD container.
|
|---|
| 255 | * @returns NULL on failure, typically out of memory.
|
|---|
| 256 | */
|
|---|
| 257 | VBOXDDU_DECL(PVDIDISK) VDIDiskCreate(void);
|
|---|
| 258 |
|
|---|
| 259 | /**
|
|---|
| 260 | * Destroys the VDI HDD container. If container has opened image files they will be closed.
|
|---|
| 261 | *
|
|---|
| 262 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 263 | */
|
|---|
| 264 | VBOXDDU_DECL(void) VDIDiskDestroy(PVDIDISK pDisk);
|
|---|
| 265 |
|
|---|
| 266 | /**
|
|---|
| 267 | * Opens an image file.
|
|---|
| 268 | *
|
|---|
| 269 | * The first opened image file in a HDD container must have a base image type,
|
|---|
| 270 | * others (next opened images) must be a differencing or undo images.
|
|---|
| 271 | * Linkage is checked for differencing image to be in consistence with the previously opened image.
|
|---|
| 272 | * When a next differencing image is opened and the last image was opened in read/write access
|
|---|
| 273 | * mode, then the last image is reopened in read-only with deny write sharing mode. This allows
|
|---|
| 274 | * other processes to use images in read-only mode too.
|
|---|
| 275 | *
|
|---|
| 276 | * Note that the image can be opened in read-only mode if a read/write open is not possible.
|
|---|
| 277 | * Use VDIDiskIsReadOnly to check open mode.
|
|---|
| 278 | *
|
|---|
| 279 | * @returns VBox status code.
|
|---|
| 280 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 281 | * @param pszFilename Name of the image file to open.
|
|---|
| 282 | * @param fOpen Image file open mode, see VDI_OPEN_FLAGS_* constants.
|
|---|
| 283 | */
|
|---|
| 284 | VBOXDDU_DECL(int) VDIDiskOpenImage(PVDIDISK pDisk, const char *pszFilename, unsigned fOpen);
|
|---|
| 285 |
|
|---|
| 286 | /**
|
|---|
| 287 | * Creates and opens a new differencing image file in HDD container.
|
|---|
| 288 | * See comments for VDIDiskOpenImage function about differencing images.
|
|---|
| 289 | *
|
|---|
| 290 | * @returns VBox status code.
|
|---|
| 291 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 292 | * @param pszFilename Name of the image file to create and open.
|
|---|
| 293 | * @param pszComment Pointer to image comment. NULL is ok.
|
|---|
| 294 | * @param pfnProgress Progress callback. Optional. NULL if not to be used.
|
|---|
| 295 | * @param pvUser User argument for the progress callback.
|
|---|
| 296 | */
|
|---|
| 297 | VBOXDDU_DECL(int) VDIDiskCreateOpenDifferenceImage(PVDIDISK pDisk, const char *pszFilename, const char *pszComment,
|
|---|
| 298 | PFNVMPROGRESS pfnProgress, void *pvUser);
|
|---|
| 299 |
|
|---|
| 300 | /**
|
|---|
| 301 | * Closes the last opened image file in the HDD container. Leaves all changes inside it.
|
|---|
| 302 | * If previous image file was opened in read-only mode (that is normal) and closing image
|
|---|
| 303 | * was opened in read-write mode (the whole disk was in read-write mode) - the previous image
|
|---|
| 304 | * will be reopened in read/write mode.
|
|---|
| 305 | *
|
|---|
| 306 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 307 | */
|
|---|
| 308 | VBOXDDU_DECL(void) VDIDiskCloseImage(PVDIDISK pDisk);
|
|---|
| 309 |
|
|---|
| 310 | /**
|
|---|
| 311 | * Closes all opened image files in HDD container.
|
|---|
| 312 | *
|
|---|
| 313 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 314 | */
|
|---|
| 315 | VBOXDDU_DECL(void) VDIDiskCloseAllImages(PVDIDISK pDisk);
|
|---|
| 316 |
|
|---|
| 317 | /**
|
|---|
| 318 | * Commits last opened differencing/undo image file of the HDD container to previous image.
|
|---|
| 319 | * If the previous image file was opened in read-only mode (that must be always so) it is reopened
|
|---|
| 320 | * as read/write to do commit operation.
|
|---|
| 321 | * After successfull commit the previous image file again reopened in read-only mode, last opened
|
|---|
| 322 | * image file is cleared of data and remains open and active in HDD container.
|
|---|
| 323 | * If you want to delete image after commit you must do it manually by VDIDiskCloseImage and
|
|---|
| 324 | * VDIDeleteImage calls.
|
|---|
| 325 | *
|
|---|
| 326 | * Note that in case of unrecoverable error all images of HDD container will be closed.
|
|---|
| 327 | *
|
|---|
| 328 | * @returns VBox status code.
|
|---|
| 329 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 330 | * @param pfnProgress Progress callback. Optional.
|
|---|
| 331 | * @param pvUser User argument for the progress callback.
|
|---|
| 332 | */
|
|---|
| 333 | VBOXDDU_DECL(int) VDIDiskCommitLastDiff(PVDIDISK pDisk, PFNVMPROGRESS pfnProgress, void *pvUser);
|
|---|
| 334 |
|
|---|
| 335 | /**
|
|---|
| 336 | * Get read/write mode of VDI HDD.
|
|---|
| 337 | *
|
|---|
| 338 | * @returns Disk ReadOnly status.
|
|---|
| 339 | * @returns true if no one VDI image is opened in HDD container.
|
|---|
| 340 | */
|
|---|
| 341 | VBOXDDU_DECL(bool) VDIDiskIsReadOnly(PVDIDISK pDisk);
|
|---|
| 342 |
|
|---|
| 343 | /**
|
|---|
| 344 | * Get total disk size of the VDI HDD container.
|
|---|
| 345 | *
|
|---|
| 346 | * @returns Virtual disk size in bytes.
|
|---|
| 347 | * @returns 0 if no one VDI image is opened in HDD container.
|
|---|
| 348 | */
|
|---|
| 349 | VBOXDDU_DECL(uint64_t) VDIDiskGetSize(PVDIDISK pDisk);
|
|---|
| 350 |
|
|---|
| 351 | /**
|
|---|
| 352 | * Get block size of the VDI HDD container.
|
|---|
| 353 | *
|
|---|
| 354 | * @returns VDI image block size in bytes.
|
|---|
| 355 | * @returns 0 if no one VDI image is opened in HDD container.
|
|---|
| 356 | */
|
|---|
| 357 | VBOXDDU_DECL(unsigned) VDIDiskGetBlockSize(PVDIDISK pDisk);
|
|---|
| 358 |
|
|---|
| 359 | /**
|
|---|
| 360 | * Get working buffer size of the VDI HDD container.
|
|---|
| 361 | *
|
|---|
| 362 | * @returns Working buffer size in bytes.
|
|---|
| 363 | */
|
|---|
| 364 | VBOXDDU_DECL(unsigned) VDIDiskGetBufferSize(PVDIDISK pDisk);
|
|---|
| 365 |
|
|---|
| 366 | /**
|
|---|
| 367 | * Get virtual disk geometry stored in image file.
|
|---|
| 368 | *
|
|---|
| 369 | * @returns VBox status code.
|
|---|
| 370 | * @returns VERR_VDI_NOT_OPENED if no one VDI image is opened in HDD container.
|
|---|
| 371 | * @returns VERR_VDI_GEOMETRY_NOT_SET if no geometry present in the HDD container.
|
|---|
| 372 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 373 | * @param pcCylinders Where to store the number of cylinders. NULL is ok.
|
|---|
| 374 | * @param pcHeads Where to store the number of heads. NULL is ok.
|
|---|
| 375 | * @param pcSectors Where to store the number of sectors. NULL is ok.
|
|---|
| 376 | */
|
|---|
| 377 | VBOXDDU_DECL(int) VDIDiskGetGeometry(PVDIDISK pDisk, unsigned *pcCylinders, unsigned *pcHeads, unsigned *pcSectors);
|
|---|
| 378 |
|
|---|
| 379 | /**
|
|---|
| 380 | * Store virtual disk geometry into base image file of HDD container.
|
|---|
| 381 | *
|
|---|
| 382 | * Note that in case of unrecoverable error all images of HDD container will be closed.
|
|---|
| 383 | *
|
|---|
| 384 | * @returns VBox status code.
|
|---|
| 385 | * @returns VERR_VDI_NOT_OPENED if no one VDI image is opened in HDD container.
|
|---|
| 386 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 387 | * @param cCylinders Number of cylinders.
|
|---|
| 388 | * @param cHeads Number of heads.
|
|---|
| 389 | * @param cSectors Number of sectors.
|
|---|
| 390 | */
|
|---|
| 391 | VBOXDDU_DECL(int) VDIDiskSetGeometry(PVDIDISK pDisk, unsigned cCylinders, unsigned cHeads, unsigned cSectors);
|
|---|
| 392 |
|
|---|
| 393 | /**
|
|---|
| 394 | * Get virtual disk translation mode stored in image file.
|
|---|
| 395 | *
|
|---|
| 396 | * @returns VBox status code.
|
|---|
| 397 | * @returns VERR_VDI_NOT_OPENED if no one VDI image is opened in HDD container.
|
|---|
| 398 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 399 | * @param penmTranslation Where to store the translation mode (see pdm.h).
|
|---|
| 400 | */
|
|---|
| 401 | VBOXDDU_DECL(int) VDIDiskGetTranslation(PVDIDISK pDisk, PPDMBIOSTRANSLATION penmTranslation);
|
|---|
| 402 |
|
|---|
| 403 | /**
|
|---|
| 404 | * Store virtual disk translation mode into base image file of HDD container.
|
|---|
| 405 | *
|
|---|
| 406 | * Note that in case of unrecoverable error all images of HDD container will be closed.
|
|---|
| 407 | *
|
|---|
| 408 | * @returns VBox status code.
|
|---|
| 409 | * @returns VERR_VDI_NOT_OPENED if no one VDI image is opened in HDD container.
|
|---|
| 410 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 411 | * @param enmTranslation Translation mode (see pdm.h).
|
|---|
| 412 | */
|
|---|
| 413 | VBOXDDU_DECL(int) VDIDiskSetTranslation(PVDIDISK pDisk, PDMBIOSTRANSLATION enmTranslation);
|
|---|
| 414 |
|
|---|
| 415 | /**
|
|---|
| 416 | * Get number of opened images in HDD container.
|
|---|
| 417 | *
|
|---|
| 418 | * @returns Number of opened images for HDD container. 0 if no images has been opened.
|
|---|
| 419 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 420 | */
|
|---|
| 421 | VBOXDDU_DECL(int) VDIDiskGetImagesCount(PVDIDISK pDisk);
|
|---|
| 422 |
|
|---|
| 423 | /**
|
|---|
| 424 | * Get version of opened image of HDD container.
|
|---|
| 425 | *
|
|---|
| 426 | * @returns VBox status code.
|
|---|
| 427 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 428 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 429 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 430 | * @param puVersion Where to store the image version.
|
|---|
| 431 | */
|
|---|
| 432 | VBOXDDU_DECL(int) VDIDiskGetImageVersion(PVDIDISK pDisk, int nImage, unsigned *puVersion);
|
|---|
| 433 |
|
|---|
| 434 | /**
|
|---|
| 435 | * Get type of opened image of HDD container.
|
|---|
| 436 | *
|
|---|
| 437 | * @returns VBox status code.
|
|---|
| 438 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 439 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 440 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 441 | * @param penmType Where to store the image type.
|
|---|
| 442 | */
|
|---|
| 443 | VBOXDDU_DECL(int) VDIDiskGetImageType(PVDIDISK pDisk, int nImage, PVDIIMAGETYPE penmType);
|
|---|
| 444 |
|
|---|
| 445 | /**
|
|---|
| 446 | * Get flags of opened image of HDD container.
|
|---|
| 447 | *
|
|---|
| 448 | * @returns VBox status code.
|
|---|
| 449 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 450 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 451 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 452 | * @param pfFlags Where to store the image flags.
|
|---|
| 453 | */
|
|---|
| 454 | VBOXDDU_DECL(int) VDIDiskGetImageFlags(PVDIDISK pDisk, int nImage, unsigned *pfFlags);
|
|---|
| 455 |
|
|---|
| 456 | /**
|
|---|
| 457 | * Get filename of opened image of HDD container.
|
|---|
| 458 | *
|
|---|
| 459 | * @returns VBox status code.
|
|---|
| 460 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 461 | * @returns VERR_BUFFER_OVERFLOW if pszFilename buffer too small to hold filename.
|
|---|
| 462 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 463 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 464 | * @param pszFilename Where to store the image file name.
|
|---|
| 465 | * @param cbFilename Size of buffer pszFilename points to.
|
|---|
| 466 | */
|
|---|
| 467 | VBOXDDU_DECL(int) VDIDiskGetImageFilename(PVDIDISK pDisk, int nImage, char *pszFilename, unsigned cbFilename);
|
|---|
| 468 |
|
|---|
| 469 | /**
|
|---|
| 470 | * Get the comment line of opened image of HDD container.
|
|---|
| 471 | *
|
|---|
| 472 | * @returns VBox status code.
|
|---|
| 473 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 474 | * @returns VERR_BUFFER_OVERFLOW if pszComment buffer too small to hold comment text.
|
|---|
| 475 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 476 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 477 | * @param pszComment Where to store the comment string of image. NULL is ok.
|
|---|
| 478 | * @param cbComment The size of pszComment buffer. 0 is ok.
|
|---|
| 479 | */
|
|---|
| 480 | VBOXDDU_DECL(int) VDIDiskGetImageComment(PVDIDISK pDisk, int nImage, char *pszComment, unsigned cbComment);
|
|---|
| 481 |
|
|---|
| 482 | /**
|
|---|
| 483 | * Get Uuid of opened image of HDD container.
|
|---|
| 484 | *
|
|---|
| 485 | * @returns VBox status code.
|
|---|
| 486 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 487 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 488 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 489 | * @param pUuid Where to store the image creation uuid.
|
|---|
| 490 | */
|
|---|
| 491 | VBOXDDU_DECL(int) VDIDiskGetImageUuid(PVDIDISK pDisk, int nImage, PRTUUID pUuid);
|
|---|
| 492 |
|
|---|
| 493 | /**
|
|---|
| 494 | * Get last modification Uuid of opened image of HDD container.
|
|---|
| 495 | *
|
|---|
| 496 | * @returns VBox status code.
|
|---|
| 497 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 498 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 499 | * @param nImage Image number, counts from 0. 0 is always base image of container.
|
|---|
| 500 | * @param pUuid Where to store the image modification uuid.
|
|---|
| 501 | */
|
|---|
| 502 | VBOXDDU_DECL(int) VDIDiskGetImageModificationUuid(PVDIDISK pDisk, int nImage, PRTUUID pUuid);
|
|---|
| 503 |
|
|---|
| 504 | /**
|
|---|
| 505 | * Get Uuid of opened image's parent image.
|
|---|
| 506 | *
|
|---|
| 507 | * @returns VBox status code.
|
|---|
| 508 | * @returns VERR_VDI_IMAGE_NOT_FOUND if image with specified number was not opened.
|
|---|
| 509 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 510 | * @param nImage Image number, counts from 0. 0 is always base image of the container.
|
|---|
| 511 | * @param pUuid Where to store the image creation uuid.
|
|---|
| 512 | */
|
|---|
| 513 | VBOXDDU_DECL(int) VDIDiskGetParentImageUuid(PVDIDISK pDisk, int nImage, PRTUUID pUuid);
|
|---|
| 514 |
|
|---|
| 515 | /**
|
|---|
| 516 | * Read data from virtual HDD.
|
|---|
| 517 | *
|
|---|
| 518 | * @returns VBox status code.
|
|---|
| 519 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 520 | * @param offStart Offset of first reading byte from start of disk.
|
|---|
| 521 | * @param pvBuf Pointer to buffer for reading data.
|
|---|
| 522 | * @param cbToRead Number of bytes to read.
|
|---|
| 523 | */
|
|---|
| 524 | VBOXDDU_DECL(int) VDIDiskRead(PVDIDISK pDisk, uint64_t offStart, void *pvBuf, unsigned cbToRead);
|
|---|
| 525 |
|
|---|
| 526 | /**
|
|---|
| 527 | * Write data to virtual HDD.
|
|---|
| 528 | *
|
|---|
| 529 | * @returns VBox status code.
|
|---|
| 530 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 531 | * @param offStart Offset of first writing byte from start of HDD.
|
|---|
| 532 | * @param pvBuf Pointer to buffer of writing data.
|
|---|
| 533 | * @param cbToWrite Number of bytes to write.
|
|---|
| 534 | */
|
|---|
| 535 | VBOXDDU_DECL(int) VDIDiskWrite(PVDIDISK pDisk, uint64_t offStart, const void *pvBuf, unsigned cbToWrite);
|
|---|
| 536 |
|
|---|
| 537 |
|
|---|
| 538 |
|
|---|
| 539 | /**
|
|---|
| 540 | * Debug helper - dumps all opened images of HDD container into the log file.
|
|---|
| 541 | *
|
|---|
| 542 | * @param pDisk Pointer to VDI HDD container.
|
|---|
| 543 | */
|
|---|
| 544 | VBOXDDU_DECL(void) VDIDiskDumpImages(PVDIDISK pDisk);
|
|---|
| 545 |
|
|---|
| 546 | __END_DECLS
|
|---|
| 547 |
|
|---|
| 548 | /** @} */
|
|---|
| 549 |
|
|---|
| 550 | #endif
|
|---|
