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CfgUSBLoader/lib/libntfs/orig/source/volume.h
Nitraiolo bb3f6c5c68 Initial clean Cfg USB Loader MOD r78 import
2015-01-17 10:11:08 +00:00

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/*
* volume.h - Exports for NTFS volume handling. Originated from the Linux-NTFS project.
*
* Copyright (c) 2000-2004 Anton Altaparmakov
* Copyright (c) 2004-2005 Richard Russon
* Copyright (c) 2005-2006 Yura Pakhuchiy
* Copyright (c) 2005-2009 Szabolcs Szakacsits
* Copyright (c) 2010 Jean-Pierre Andre
*
* This program/include file 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program/include file 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 (in the main directory of the NTFS-3G
* distribution in the file COPYING); if not, write to the Free Software
* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _NTFS_VOLUME_H
#define _NTFS_VOLUME_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_MNTENT_H
#include <mntent.h>
#endif
/*
* Under Cygwin, DJGPP and FreeBSD we do not have MS_RDONLY,
* so we define them ourselves.
*/
#ifndef MS_RDONLY
#define MS_RDONLY 1
#endif
#define MS_EXCLUSIVE 0x08000000
#ifndef MS_RECOVER
#define MS_RECOVER 0x10000000
#endif
#define MS_IGNORE_HIBERFILE 0x20000000
#define MS_FORENSIC 0x04000000 /* No modification during mount */
/* Forward declaration */
typedef struct _ntfs_volume ntfs_volume;
#include "param.h"
#include "types.h"
#include "support.h"
#include "device.h"
#include "inode.h"
#include "attrib.h"
#include "index.h"
/**
* enum ntfs_mount_flags -
*
* Flags returned by the ntfs_check_if_mounted() function.
*/
typedef enum {
NTFS_MF_MOUNTED = 1, /* Device is mounted. */
NTFS_MF_ISROOT = 2, /* Device is mounted as system root. */
NTFS_MF_READONLY = 4, /* Device is mounted read-only. */
} ntfs_mount_flags;
extern int ntfs_check_if_mounted(const char *file, unsigned long *mnt_flags);
typedef enum {
NTFS_VOLUME_OK = 0,
NTFS_VOLUME_SYNTAX_ERROR = 11,
NTFS_VOLUME_NOT_NTFS = 12,
NTFS_VOLUME_CORRUPT = 13,
NTFS_VOLUME_HIBERNATED = 14,
NTFS_VOLUME_UNCLEAN_UNMOUNT = 15,
NTFS_VOLUME_LOCKED = 16,
NTFS_VOLUME_RAID = 17,
NTFS_VOLUME_UNKNOWN_REASON = 18,
NTFS_VOLUME_NO_PRIVILEGE = 19,
NTFS_VOLUME_OUT_OF_MEMORY = 20,
NTFS_VOLUME_FUSE_ERROR = 21,
NTFS_VOLUME_INSECURE = 22
} ntfs_volume_status;
/**
* enum ntfs_volume_state_bits -
*
* Defined bits for the state field in the ntfs_volume structure.
*/
typedef enum {
NV_ReadOnly, /* 1: Volume is read-only. */
NV_CaseSensitive, /* 1: Volume is mounted case-sensitive. */
NV_LogFileEmpty, /* 1: $logFile journal is empty. */
NV_ShowSysFiles, /* 1: Show NTFS metafiles. */
NV_ShowHidFiles, /* 1: Show files marked hidden. */
NV_HideDotFiles, /* 1: Set hidden flag on dot files */
NV_Compression, /* 1: allow compression */
} ntfs_volume_state_bits;
#define test_nvol_flag(nv, flag) test_bit(NV_##flag, (nv)->state)
#define set_nvol_flag(nv, flag) set_bit(NV_##flag, (nv)->state)
#define clear_nvol_flag(nv, flag) clear_bit(NV_##flag, (nv)->state)
#define NVolReadOnly(nv) test_nvol_flag(nv, ReadOnly)
#define NVolSetReadOnly(nv) set_nvol_flag(nv, ReadOnly)
#define NVolClearReadOnly(nv) clear_nvol_flag(nv, ReadOnly)
#define NVolCaseSensitive(nv) test_nvol_flag(nv, CaseSensitive)
#define NVolSetCaseSensitive(nv) set_nvol_flag(nv, CaseSensitive)
#define NVolClearCaseSensitive(nv) clear_nvol_flag(nv, CaseSensitive)
#define NVolLogFileEmpty(nv) test_nvol_flag(nv, LogFileEmpty)
#define NVolSetLogFileEmpty(nv) set_nvol_flag(nv, LogFileEmpty)
#define NVolClearLogFileEmpty(nv) clear_nvol_flag(nv, LogFileEmpty)
#define NVolShowSysFiles(nv) test_nvol_flag(nv, ShowSysFiles)
#define NVolSetShowSysFiles(nv) set_nvol_flag(nv, ShowSysFiles)
#define NVolClearShowSysFiles(nv) clear_nvol_flag(nv, ShowSysFiles)
#define NVolShowHidFiles(nv) test_nvol_flag(nv, ShowHidFiles)
#define NVolSetShowHidFiles(nv) set_nvol_flag(nv, ShowHidFiles)
#define NVolClearShowHidFiles(nv) clear_nvol_flag(nv, ShowHidFiles)
#define NVolHideDotFiles(nv) test_nvol_flag(nv, HideDotFiles)
#define NVolSetHideDotFiles(nv) set_nvol_flag(nv, HideDotFiles)
#define NVolClearHideDotFiles(nv) clear_nvol_flag(nv, HideDotFiles)
#define NVolCompression(nv) test_nvol_flag(nv, Compression)
#define NVolSetCompression(nv) set_nvol_flag(nv, Compression)
#define NVolClearCompression(nv) clear_nvol_flag(nv, Compression)
/*
* NTFS version 1.1 and 1.2 are used by Windows NT4.
* NTFS version 2.x is used by Windows 2000 Beta
* NTFS version 3.0 is used by Windows 2000.
* NTFS version 3.1 is used by Windows XP, 2003 and Vista.
*/
#define NTFS_V1_1(major, minor) ((major) == 1 && (minor) == 1)
#define NTFS_V1_2(major, minor) ((major) == 1 && (minor) == 2)
#define NTFS_V2_X(major, minor) ((major) == 2)
#define NTFS_V3_0(major, minor) ((major) == 3 && (minor) == 0)
#define NTFS_V3_1(major, minor) ((major) == 3 && (minor) == 1)
#define NTFS_BUF_SIZE 8192
/**
* struct _ntfs_volume - structure describing an open volume in memory.
*/
struct _ntfs_volume {
union {
struct ntfs_device *dev; /* NTFS device associated with
the volume. */
void *sb; /* For kernel porting compatibility. */
};
char *vol_name; /* Name of the volume. */
unsigned long state; /* NTFS specific flags describing this volume.
See ntfs_volume_state_bits above. */
ntfs_inode *vol_ni; /* ntfs_inode structure for FILE_Volume. */
u8 major_ver; /* Ntfs major version of volume. */
u8 minor_ver; /* Ntfs minor version of volume. */
le16 flags; /* Bit array of VOLUME_* flags. */
u16 sector_size; /* Byte size of a sector. */
u8 sector_size_bits; /* Log(2) of the byte size of a sector. */
u32 cluster_size; /* Byte size of a cluster. */
u32 mft_record_size; /* Byte size of a mft record. */
u32 indx_record_size; /* Byte size of a INDX record. */
u8 cluster_size_bits; /* Log(2) of the byte size of a cluster. */
u8 mft_record_size_bits;/* Log(2) of the byte size of a mft record. */
u8 indx_record_size_bits;/* Log(2) of the byte size of a INDX record. */
/* Variables used by the cluster and mft allocators. */
u8 mft_zone_multiplier; /* Initial mft zone multiplier. */
u8 full_zones; /* cluster zones which are full */
s64 mft_data_pos; /* Mft record number at which to allocate the
next mft record. */
LCN mft_zone_start; /* First cluster of the mft zone. */
LCN mft_zone_end; /* First cluster beyond the mft zone. */
LCN mft_zone_pos; /* Current position in the mft zone. */
LCN data1_zone_pos; /* Current position in the first data zone. */
LCN data2_zone_pos; /* Current position in the second data zone. */
s64 nr_clusters; /* Volume size in clusters, hence also the
number of bits in lcn_bitmap. */
ntfs_inode *lcnbmp_ni; /* ntfs_inode structure for FILE_Bitmap. */
ntfs_attr *lcnbmp_na; /* ntfs_attr structure for the data attribute
of FILE_Bitmap. Each bit represents a
cluster on the volume, bit 0 representing
lcn 0 and so on. A set bit means that the
cluster and vice versa. */
LCN mft_lcn; /* Logical cluster number of the data attribute
for FILE_MFT. */
ntfs_inode *mft_ni; /* ntfs_inode structure for FILE_MFT. */
ntfs_attr *mft_na; /* ntfs_attr structure for the data attribute
of FILE_MFT. */
ntfs_attr *mftbmp_na; /* ntfs_attr structure for the bitmap attribute
of FILE_MFT. Each bit represents an mft
record in the $DATA attribute, bit 0
representing mft record 0 and so on. A set
bit means that the mft record is in use and
vice versa. */
ntfs_inode *secure_ni; /* ntfs_inode structure for FILE $Secure */
ntfs_index_context *secure_xsii; /* index for using $Secure:$SII */
ntfs_index_context *secure_xsdh; /* index for using $Secure:$SDH */
int secure_reentry; /* check for non-rentries */
unsigned int secure_flags; /* flags, see security.h for values */
int mftmirr_size; /* Size of the FILE_MFTMirr in mft records. */
LCN mftmirr_lcn; /* Logical cluster number of the data attribute
for FILE_MFTMirr. */
ntfs_inode *mftmirr_ni; /* ntfs_inode structure for FILE_MFTMirr. */
ntfs_attr *mftmirr_na; /* ntfs_attr structure for the data attribute
of FILE_MFTMirr. */
ntfschar *upcase; /* Upper case equivalents of all 65536 2-byte
Unicode characters. Obtained from
FILE_UpCase. */
u32 upcase_len; /* Length in Unicode characters of the upcase
table. */
ntfschar *locase; /* Lower case equivalents of all 65536 2-byte
Unicode characters. Only if option
case_ignore is set. */
ATTR_DEF *attrdef; /* Attribute definitions. Obtained from
FILE_AttrDef. */
s32 attrdef_len; /* Size of the attribute definition table in
bytes. */
s64 free_clusters; /* Track the number of free clusters which
greatly improves statfs() performance */
s64 free_mft_records; /* Same for free mft records (see above) */
BOOL efs_raw; /* volume is mounted for raw access to
efs-encrypted files */
#ifdef XATTR_MAPPINGS
struct XATTRMAPPING *xattr_mapping;
#endif /* XATTR_MAPPINGS */
#if CACHE_INODE_SIZE
struct CACHE_HEADER *xinode_cache;
#endif
#if CACHE_NIDATA_SIZE
struct CACHE_HEADER *nidata_cache;
#endif
#if CACHE_LOOKUP_SIZE
struct CACHE_HEADER *lookup_cache;
#endif
#if CACHE_SECURID_SIZE
struct CACHE_HEADER *securid_cache;
#endif
#if CACHE_LEGACY_SIZE
struct CACHE_HEADER *legacy_cache;
#endif
};
extern const char *ntfs_home;
extern ntfs_volume *ntfs_volume_alloc(void);
extern ntfs_volume *ntfs_volume_startup(struct ntfs_device *dev,
unsigned long flags);
extern ntfs_volume *ntfs_device_mount(struct ntfs_device *dev,
unsigned long flags);
extern ntfs_volume *ntfs_mount(const char *name, unsigned long flags);
extern int ntfs_umount(ntfs_volume *vol, const BOOL force);
extern int ntfs_version_is_supported(ntfs_volume *vol);
extern int ntfs_volume_check_hiberfile(ntfs_volume *vol, int verbose);
extern int ntfs_logfile_reset(ntfs_volume *vol);
extern int ntfs_volume_write_flags(ntfs_volume *vol, const le16 flags);
extern int ntfs_volume_error(int err);
extern void ntfs_mount_error(const char *vol, const char *mntpoint, int err);
extern int ntfs_volume_get_free_space(ntfs_volume *vol);
extern int ntfs_set_shown_files(ntfs_volume *vol,
BOOL show_sys_files, BOOL show_hid_files, BOOL hide_dot_files);
extern int ntfs_set_locale(void);
extern int ntfs_set_ignore_case(ntfs_volume *vol);
#endif /* defined _NTFS_VOLUME_H */
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