horok/virtualbox
1
0
Fork 0
Code Activity
virtualbox/include/iprt/dvm.h
Daniel Baumann df1bda4fe9
Adding upstream version 7.0.20-dfsg. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 09:56:04 +02:00

639 lines
23 KiB
C
Raw Permalink Blame History

/** @file
* IPRT Disk Volume Management API (DVM).
*/
/*
* Copyright (C) 2011-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef IPRT_INCLUDED_dvm_h
#define IPRT_INCLUDED_dvm_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/types.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_rt_dvm IPRT Disk Volume Management
* @ingroup grp_rt
* @{
*/
/**
* Volume type.
* Comparable to the FS type in MBR partition maps
* or the partition type GUIDs in GPT tables.
*/
typedef enum RTDVMVOLTYPE
{
/** Invalid. */
RTDVMVOLTYPE_INVALID = 0,
/** Unknown. */
RTDVMVOLTYPE_UNKNOWN,
/** Volume hosts a NTFS filesystem. */
RTDVMVOLTYPE_NTFS,
/** Volume hosts a FAT12 filesystem. */
RTDVMVOLTYPE_FAT12,
/** Volume hosts a FAT16 filesystem. */
RTDVMVOLTYPE_FAT16,
/** Volume hosts a FAT32 filesystem. */
RTDVMVOLTYPE_FAT32,
/** EFI system partition (c12a7328-f81f-11d2-ba4b-00a0c93ec93b). */
RTDVMVOLTYPE_EFI_SYSTEM,
/** Volume hosts a Mac OS X HFS or HFS+ filesystem. */
RTDVMVOLTYPE_DARWIN_HFS,
/** Volume hosts a Mac OS X APFS filesystem. */
RTDVMVOLTYPE_DARWIN_APFS,
/** Volume hosts a Linux swap. */
RTDVMVOLTYPE_LINUX_SWAP,
/** Volume hosts a Linux filesystem. */
RTDVMVOLTYPE_LINUX_NATIVE,
/** Volume hosts a Linux LVM. */
RTDVMVOLTYPE_LINUX_LVM,
/** Volume hosts a Linux SoftRaid. */
RTDVMVOLTYPE_LINUX_SOFTRAID,
/** Volume hosts a FreeBSD disklabel. */
RTDVMVOLTYPE_FREEBSD,
/** Volume hosts a NetBSD disklabel. */
RTDVMVOLTYPE_NETBSD,
/** Volume hosts a OpenBSD disklabel. */
RTDVMVOLTYPE_OPENBSD,
/** Volume hosts a Solaris volume. */
RTDVMVOLTYPE_SOLARIS,
/** Volume hosts a Windows basic data partition . */
RTDVMVOLTYPE_WIN_BASIC,
/** Volume hosts a Microsoft reserved partition (MSR). */
RTDVMVOLTYPE_WIN_MSR,
/** Volume hosts a Windows logical disk manager (LDM) metadata partition. */
RTDVMVOLTYPE_WIN_LDM_META,
/** Volume hosts a Windows logical disk manager (LDM) data partition. */
RTDVMVOLTYPE_WIN_LDM_DATA,
/** Volume hosts a Windows recovery partition. */
RTDVMVOLTYPE_WIN_RECOVERY,
/** Volume hosts a storage spaces partition. */
RTDVMVOLTYPE_WIN_STORAGE_SPACES,
/** Volume hosts an IBM general parallel file system (GPFS). */
RTDVMVOLTYPE_IBM_GPFS,
/** OS/2 (Arca Noae) type 1 partition. */
RTDVMVOLTYPE_ARCA_OS2,
/** End of the valid values. */
RTDVMVOLTYPE_END,
/** Usual 32bit hack. */
RTDVMVOLTYPE_32BIT_HACK = 0x7fffffff
} RTDVMVOLTYPE;
/** @defgroup grp_dvm_flags Flags used by RTDvmCreate.
* @{ */
/** DVM flags - Blocks are always marked as unused if the volume has
* no block status callback set.
* The default is to mark them as used. */
#define DVM_FLAGS_NO_STATUS_CALLBACK_MARK_AS_UNUSED RT_BIT_32(0)
/** DVM flags - Space which is unused in the map will be marked as used
* when calling RTDvmMapQueryBlockStatus(). */
#define DVM_FLAGS_UNUSED_SPACE_MARK_AS_USED RT_BIT_32(1)
/** Mask of all valid flags. */
#define DVM_FLAGS_VALID_MASK UINT32_C(0x00000003)
/** @} */
/** @defgroup grp_dvm_vol_flags Volume flags used by RTDvmVolumeGetFlags().
* @{ */
/** Volume flags - Volume is bootable. */
#define DVMVOLUME_FLAGS_BOOTABLE RT_BIT_64(0)
/** Volume flags - Volume is active. */
#define DVMVOLUME_FLAGS_ACTIVE RT_BIT_64(1)
/** Volume is contiguous on the underlying medium and RTDvmVolumeQueryRange(). */
#define DVMVOLUME_F_CONTIGUOUS RT_BIT_64(2)
/** @} */
/** A handle to a volume manager. */
typedef struct RTDVMINTERNAL *RTDVM;
/** A pointer to a volume manager handle. */
typedef RTDVM *PRTDVM;
/** NIL volume manager handle. */
#define NIL_RTDVM ((RTDVM)~0)
/** A handle to a volume in a volume map. */
typedef struct RTDVMVOLUMEINTERNAL *RTDVMVOLUME;
/** A pointer to a volume handle. */
typedef RTDVMVOLUME *PRTDVMVOLUME;
/** NIL volume handle. */
#define NIL_RTDVMVOLUME ((RTDVMVOLUME)~0)
/**
* Callback for querying the block allocation status of a volume.
*
* @returns IPRT status code.
* @param pvUser Opaque user data passed when setting the callback.
* @param off Offset relative to the start of the volume.
* @param cb Range to check in bytes.
* @param pfAllocated Where to store the allocation status on success.
*/
typedef DECLCALLBACKTYPE(int, FNDVMVOLUMEQUERYBLOCKSTATUS,(void *pvUser, uint64_t off, uint64_t cb, bool *pfAllocated));
/** Pointer to a query block allocation status callback. */
typedef FNDVMVOLUMEQUERYBLOCKSTATUS *PFNDVMVOLUMEQUERYBLOCKSTATUS;
/**
* Create a new volume manager.
*
* @returns IPRT status.
* @param phVolMgr Where to store the handle to the volume manager on
* success.
* @param hVfsFile The disk/container/whatever.
* @param cbSector Size of one sector in bytes.
* @param fFlags Combination of RTDVM_FLAGS_*
*/
RTDECL(int) RTDvmCreate(PRTDVM phVolMgr, RTVFSFILE hVfsFile, uint32_t cbSector, uint32_t fFlags);
/**
* Retain a given volume manager.
*
* @returns New reference count on success, UINT32_MAX on failure.
* @param hVolMgr The volume manager to retain.
*/
RTDECL(uint32_t) RTDvmRetain(RTDVM hVolMgr);
/**
* Releases a given volume manager.
*
* @returns New reference count on success (0 if closed), UINT32_MAX on failure.
* @param hVolMgr The volume manager to release.
*/
RTDECL(uint32_t) RTDvmRelease(RTDVM hVolMgr);
/**
* Probes the underyling disk for the best volume manager format handler
* and opens it.
*
* @returns IPRT status code.
* @retval VERR_NOT_FOUND if no backend can handle the volume map on the disk.
* @param hVolMgr The volume manager handle.
*/
RTDECL(int) RTDvmMapOpen(RTDVM hVolMgr);
/**
* Initializes a new volume map using the given format handler.
*
* @returns IPRT status code.
* @param hVolMgr The volume manager handle.
* @param pszFmt The format to use for the new map.
*/
RTDECL(int) RTDvmMapInitialize(RTDVM hVolMgr, const char *pszFmt);
/**
* Gets the name of the currently used format of the disk map.
*
* @returns Name of the format.
* @param hVolMgr The volume manager handle.
*/
RTDECL(const char *) RTDvmMapGetFormatName(RTDVM hVolMgr);
/**
* DVM format types.
*/
typedef enum RTDVMFORMATTYPE
{
/** Invalid zero value. */
RTDVMFORMATTYPE_INVALID = 0,
/** Master boot record. */
RTDVMFORMATTYPE_MBR,
/** GUID partition table. */
RTDVMFORMATTYPE_GPT,
/** BSD labels. */
RTDVMFORMATTYPE_BSD_LABEL,
/** End of valid values. */
RTDVMFORMATTYPE_END,
/** 32-bit type size hack. */
RTDVMFORMATTYPE_32BIT_HACK = 0x7fffffff
} RTDVMFORMATTYPE;
/**
* Gets the format type of the current disk map.
*
* @returns Format type. RTDVMFORMATTYPE_INVALID on invalid input.
* @param hVolMgr The volume manager handle.
*/
RTDECL(RTDVMFORMATTYPE) RTDvmMapGetFormatType(RTDVM hVolMgr);
/**
* Gets the UUID of the disk if applicable.
*
* Disks using the MBR format may return the 32-bit disk identity in the
* u32TimeLow field and set the rest to zero.
*
* @returns IPRT status code.
* @retval VERR_NOT_SUPPORTED if the partition scheme doesn't do UUIDs.
* @retval VINF_NOT_SUPPORTED if non-UUID disk ID is returned.
* @param hVolMgr The volume manager handle.
* @param pUuid Where to return the UUID.
*
* @todo It's quite possible this should be turned into a map-level edition of
* RTDvmVolumeQueryProp...
*/
RTDECL(int) RTDvmMapQueryDiskUuid(RTDVM hVolMgr, PRTUUID pUuid);
/**
* Gets the number of valid partitions in the map.
*
* @returns The number of valid volumes in the map or UINT32_MAX on failure.
* @param hVolMgr The volume manager handle.
*/
RTDECL(uint32_t) RTDvmMapGetValidVolumes(RTDVM hVolMgr);
/**
* Gets the maximum number of partitions the map can hold.
*
* @returns The maximum number of volumes in the map or UINT32_MAX on failure.
* @param hVolMgr The volume manager handle.
*/
RTDECL(uint32_t) RTDvmMapGetMaxVolumes(RTDVM hVolMgr);
/**
* Get the first valid volume from a map.
*
* @returns IPRT status code.
* @param hVolMgr The volume manager handle.
* @param phVol Where to store the handle to the first volume on
* success. Release with RTDvmVolumeRelease().
*/
RTDECL(int) RTDvmMapQueryFirstVolume(RTDVM hVolMgr, PRTDVMVOLUME phVol);
/**
* Get the first valid volume from a map.
*
* @returns IPRT status code.
* @param hVolMgr The volume manager handle.
* @param hVol Handle of the current volume.
* @param phVolNext Where to store the handle to the next volume on
* success. Release with RTDvmVolumeRelease().
*/
RTDECL(int) RTDvmMapQueryNextVolume(RTDVM hVolMgr, RTDVMVOLUME hVol, PRTDVMVOLUME phVolNext);
/**
* Returns whether the given block on the disk is in use.
*
* @returns IPRT status code.
* @param hVolMgr The volume manager handle.
* @param off The start offset to check for.
* @param cb The range in bytes to check.
* @param pfAllocated Where to store the in-use status on success.
*
* @remark This method will return true even if a part of the range is not in use.
*/
RTDECL(int) RTDvmMapQueryBlockStatus(RTDVM hVolMgr, uint64_t off, uint64_t cb, bool *pfAllocated);
/**
* Partition/map table location information.
* @sa RTDvmMapQueryTableLocations
*/
typedef struct RTDVMTABLELOCATION
{
/** The byte offset on the underlying media. */
uint64_t off;
/** The table size in bytes. */
uint64_t cb;
/** Number of padding bytes / free space between the actual table and
* first partition. */
uint64_t cbPadding;
} RTDVMTABLELOCATION;
/** Pointer to partition table location info. */
typedef RTDVMTABLELOCATION *PRTDVMTABLELOCATION;
/** Pointer to const partition table location info. */
typedef RTDVMTABLELOCATION const *PCRTDVMTABLELOCATION;
/** @name RTDVMMAPQTABLOC_F_XXX - Flags for RTDvmMapQueryTableLocations
* @{ */
/** Make sure GPT includes the protective MBR. */
#define RTDVMMAPQTABLOC_F_INCLUDE_LEGACY RT_BIT_32(0)
/** Valid flags. */
#define RTDVMMAPQTABLOC_F_VALID_MASK UINT32_C(1)
/** @} */
/**
* Query the partition table locations.
*
* @returns IPRT status code.
* @retval VERR_BUFFER_OVERFLOW if the table is too small, @a *pcActual will be
* set to the required size.
* @retval VERR_BUFFER_UNDERFLOW if the table is too big and @a pcActual is
* NULL.
* @param hVolMgr The volume manager handle.
* @param fFlags Flags, see RTDVMMAPQTABLOC_F_XXX.
* @param paLocations Where to return the info. This can be NULL if @a
* cLocations is zero and @a pcActual is given.
* @param cLocations The size of @a paLocations in items.
* @param pcActual Where to return the actual number of locations, or
* on VERR_BUFFER_OVERFLOW the necessary table size.
* Optional, when not specified the cLocations value
* must match exactly or it fails with
* VERR_BUFFER_UNDERFLOW.
*/
RTDECL(int) RTDvmMapQueryTableLocations(RTDVM hVolMgr, uint32_t fFlags,
PRTDVMTABLELOCATION paLocations, size_t cLocations, size_t *pcActual);
/**
* Retains a valid volume handle.
*
* @returns New reference count on success, UINT32_MAX on failure.
* @param hVol The volume to retain.
*/
RTDECL(uint32_t) RTDvmVolumeRetain(RTDVMVOLUME hVol);
/**
* Releases a valid volume handle.
*
* @returns New reference count on success (0 if closed), UINT32_MAX on failure.
* @param hVol The volume to release.
*/
RTDECL(uint32_t) RTDvmVolumeRelease(RTDVMVOLUME hVol);
/**
* Sets the callback to query the block allocation status for a volume.
* This overwrites any other callback set previously.
*
* @param hVol The volume handle.
* @param pfnQueryBlockStatus The callback to set. Can be NULL to disable
* a previous callback.
* @param pvUser Opaque user data passed in the callback.
*/
RTDECL(void) RTDvmVolumeSetQueryBlockStatusCallback(RTDVMVOLUME hVol,
PFNDVMVOLUMEQUERYBLOCKSTATUS pfnQueryBlockStatus,
void *pvUser);
/**
* Get the size of a volume in bytes.
*
* @returns Size of the volume in bytes or 0 on failure.
* @param hVol The volume handle.
*/
RTDECL(uint64_t) RTDvmVolumeGetSize(RTDVMVOLUME hVol);
/**
* Gets the name of the volume if supported.
*
* @returns IPRT status code.
* @param hVol The volume handle.
* @param ppszVolName Where to store the name of the volume on success.
* The string must be freed with RTStrFree().
*/
RTDECL(int) RTDvmVolumeQueryName(RTDVMVOLUME hVol, char **ppszVolName);
/**
* Get the volume type of the volume if supported.
*
* @returns The volume type on success, DVMVOLTYPE_INVALID if hVol is invalid.
* @param hVol The volume handle.
*/
RTDECL(RTDVMVOLTYPE) RTDvmVolumeGetType(RTDVMVOLUME hVol);
/**
* Get the volume flags of the volume if supported.
*
* @returns The volume flags or UINT64_MAX on failure.
* @param hVol The volume handle.
*/
RTDECL(uint64_t) RTDvmVolumeGetFlags(RTDVMVOLUME hVol);
/**
* Queries the range of the given volume on the underlying medium.
*
* @returns IPRT status code.
* @retval VERR_NOT_SUPPORTED if the DVMVOLUME_F_CONTIGUOUS flag is not returned by RTDvmVolumeGetFlags().
* @param hVol The volume handle.
* @param poffStart Where to store the start offset in bytes on the underlying medium.
* @param poffLast Where to store the last offset in bytes on the underlying medium (inclusive).
*/
RTDECL(int) RTDvmVolumeQueryRange(RTDVMVOLUME hVol, uint64_t *poffStart, uint64_t *poffLast);
/**
* Returns the partition/whatever table location of the volume.
*
* For volume format with a single table, like GPT and BSD-labels, it will
* return the location of that table. Though for GPT, the fake MBR will not be
* included.
*
* For logical (extended) MBR-style volumes, this will return the location of
* the extended partition table. For primary volumes the MBR location is
* returned. The special MBR case is why this operation is done on the volume
* rather than the volume manager.
*
* Using RTDvmVolumeGetIndex with RTDVMVOLIDX_IN_PART_TABLE should get you
* the index in the table returned by this function.
*
* @returns IPRT status code.
* @param hVol The volume handle.
* @param poffTable Where to return the byte offset on the underlying
* media of the (partition/volume/whatever) table.
* @param pcbTable Where to return the table size in bytes. (This does
* not include any alignment padding or such, just
* padding up to sector/block size.)
*/
RTDECL(int) RTDvmVolumeQueryTableLocation(RTDVMVOLUME hVol, uint64_t *poffTable, uint64_t *pcbTable);
/**
* RTDvmVolumeGetIndex indexes.
*/
typedef enum RTDVMVOLIDX
{
/** Invalid zero value. */
RTDVMVOLIDX_INVALID = 0,
/** Index matching the host's volume numbering.
* This is a pseudo index, that gets translated to one of the others depending
* on which host we're running on. */
RTDVMVOLIDX_HOST,
/** Only consider user visible ones, i.e. don't count MBR extended partition
* entries and such like. */
RTDVMVOLIDX_USER_VISIBLE,
/** Index when all volumes, user visible, hidden, special, whatever ones are
* included.
*
* For MBR this is 1-based index where all primary entires are included whether
* in use or not. Only non-empty entries in extended tables are counted, though
* the forward link is included. */
RTDVMVOLIDX_ALL,
/** The raw index within the partition/volume/whatever table. This have a kind
* of special meaning to MBR, where there are multiple tables. */
RTDVMVOLIDX_IN_TABLE,
/** Follows the linux /dev/sdaX convention as closely as absolutely possible. */
RTDVMVOLIDX_LINUX,
/** End of valid indexes. */
RTDVMVOLIDX_END,
/** Make sure the type is 32-bit. */
RTDVMVOLIDX_32BIT_HACK = 0x7fffffff
} RTDVMVOLIDX;
/**
* Gets the tiven index for the specified volume.
*
* @returns The requested index, UINT32_MAX on failure.
* @param hVol The volume handle.
* @param enmIndex Which kind of index to get for the volume.
*/
RTDECL(uint32_t) RTDvmVolumeGetIndex(RTDVMVOLUME hVol, RTDVMVOLIDX enmIndex);
/**
* Volume properties queriable via RTDvmVolumeQueryProp.
*
* @note Integer values can typically be queried in multiple sizes. This is
* handled by the frontend code. The format specific backends only
* have to handle the smallest allowed size.
*/
typedef enum RTDVMVOLPROP
{
/** Customary invalid zero value. */
RTDVMVOLPROP_INVALID = 0,
/** unsigned[16,32,64]: MBR first cylinder (0-based, CHS). */
RTDVMVOLPROP_MBR_FIRST_CYLINDER,
/** unsigned[8,16,32,64]: MBR first head (0-based, CHS). */
RTDVMVOLPROP_MBR_FIRST_HEAD,
/** unsigned[8,16,32,64]: MBR first sector (1-based, CHS). */
RTDVMVOLPROP_MBR_FIRST_SECTOR,
/** unsigned[16,32,64]: MBR last cylinder (0-based, CHS). */
RTDVMVOLPROP_MBR_LAST_CYLINDER,
/** unsigned[8,16,32,64]: MBR last head (0-based, CHS). */
RTDVMVOLPROP_MBR_LAST_HEAD,
/** unsigned[8,16,32,64]: MBR last sector (1-based, CHS). */
RTDVMVOLPROP_MBR_LAST_SECTOR,
/** unsigned[8,16,32,64]: MBR partition type. */
RTDVMVOLPROP_MBR_TYPE,
/** RTUUID: GPT volume type. */
RTDVMVOLPROP_GPT_TYPE,
/** RTUUID: GPT volume UUID. */
RTDVMVOLPROP_GPT_UUID,
/** End of valid values. */
RTDVMVOLPROP_END,
/** Make sure the type is 32-bit. */
RTDVMVOLPROP_32BIT_HACK = 0x7fffffff
} RTDVMVOLPROP;
/**
* Query a generic volume property.
*
* This is an extensible interface for retrieving mostly format specific
* information, or information that's not commonly used. (It's modeled after
* RTLdrQueryPropEx.)
*
* @returns IPRT status code.
* @retval VERR_NOT_SUPPORTED if the property query isn't supported (either all
* or that specific property). The caller must handle this result.
* @retval VERR_NOT_FOUND is currently not returned, but intended for cases
* where it wasn't present in the tables.
* @retval VERR_INVALID_FUNCTION if the @a enmProperty value is wrong.
* @retval VERR_INVALID_PARAMETER if the fixed buffer size is wrong. Correct
* size in @a *pcbBuf.
* @retval VERR_BUFFER_OVERFLOW if the property doesn't have a fixed size
* buffer and the buffer isn't big enough. Correct size in @a *pcbBuf.
* @retval VERR_INVALID_HANDLE if the handle is invalid.
* @param hVol Handle to the volume.
* @param enmProperty The property to query.
* @param pvBuf Pointer to the input / output buffer. In most cases
* it's only used for returning data.
* @param cbBuf The size of the buffer.
* @param pcbBuf Where to return the amount of data returned. On
* buffer size errors, this is set to the correct size.
* Optional.
* @sa RTDvmVolumeGetPropU64
*/
RTDECL(int) RTDvmVolumeQueryProp(RTDVMVOLUME hVol, RTDVMVOLPROP enmProperty, void *pvBuf, size_t cbBuf, size_t *pcbBuf);
/**
* Wrapper around RTDvmVolumeQueryProp for simplifying getting unimportant
* integer properties.
*
* @returns The property value if supported and found, the default value if not.
* Errors other than VERR_NOT_SUPPORTED and VERR_NOT_FOUND are
* asserted.
* @param hVol Handle to the volume.
* @param enmProperty The property to query.
* @param uDefault The value to return on error.
* @sa RTDvmVolumeQueryProp
*/
RTDECL(uint64_t) RTDvmVolumeGetPropU64(RTDVMVOLUME hVol, RTDVMVOLPROP enmProperty, uint64_t uDefault);
/**
* Reads data from the given volume.
*
* @returns IPRT status code.
* @param hVol The volume handle.
* @param off Where to start reading from - 0 is the beginning of
* the volume.
* @param pvBuf Where to store the read data.
* @param cbRead How many bytes to read.
*/
RTDECL(int) RTDvmVolumeRead(RTDVMVOLUME hVol, uint64_t off, void *pvBuf, size_t cbRead);
/**
* Writes data to the given volume.
*
* @returns IPRT status code.
* @param hVol The volume handle.
* @param off Where to start writing to - 0 is the beginning of
* the volume.
* @param pvBuf The data to write.
* @param cbWrite How many bytes to write.
*/
RTDECL(int) RTDvmVolumeWrite(RTDVMVOLUME hVol, uint64_t off, const void *pvBuf, size_t cbWrite);
/**
* Returns the description of a given volume type.
*
* @returns The description of the type.
* @param enmVolType The volume type.
*/
RTDECL(const char *) RTDvmVolumeTypeGetDescr(RTDVMVOLTYPE enmVolType);
/**
* Creates an VFS file from a volume handle.
*
* @returns IPRT status code.
* @param hVol The volume handle.
* @param fOpen RTFILE_O_XXX.
* @param phVfsFileOut Where to store the VFS file handle on success.
*/
RTDECL(int) RTDvmVolumeCreateVfsFile(RTDVMVOLUME hVol, uint64_t fOpen, PRTVFSFILE phVfsFileOut);
RT_C_DECLS_END
/** @} */
#endif /* !IPRT_INCLUDED_dvm_h */
View git blame Copy permalink