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src/sys/ntfs/ntfs.h

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/* $OpenBSD: ntfs.h,v 1.19 2022/01/11 03:13:59 jsg Exp $ */
/* $NetBSD: ntfs.h,v 1.5 2003/04/24 07:50:19 christos Exp $ */
/*-
* Copyright (c) 1998, 1999 Semen Ustimenko
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Id: ntfs.h,v 1.5 1999/05/12 09:42:51 semenu Exp
*/
/*#define NTFS_DEBUG 1*/
typedef u_int64_t cn_t;
typedef u_int16_t wchar;
#define BBSIZE 1024
#define BBOFF ((off_t)(0))
#define BBLOCK 0
#define NTFS_MFTINO 0
#define NTFS_VOLUMEINO 3
#define NTFS_ATTRDEFINO 4
#define NTFS_ROOTINO 5
#define NTFS_BITMAPINO 6
#define NTFS_BOOTINO 7
#define NTFS_BADCLUSINO 8
#define NTFS_UPCASEINO 10
#define NTFS_MAXFILENAME 255
/*
* UFS directories use 32bit inode numbers internally, regardless
* of what the system on top of it uses.
*/
typedef u_int32_t ntfsino_t;
struct fixuphdr {
u_int32_t fh_magic;
u_int16_t fh_foff;
u_int16_t fh_fnum;
} __packed;
#define NTFS_AF_INRUN 0x00000001
struct attrhdr {
u_int32_t a_type;
u_int32_t reclen;
u_int8_t a_flag;
u_int8_t a_namelen;
u_int8_t a_nameoff;
u_int8_t reserved1;
u_int8_t a_compression;
u_int8_t reserved2;
u_int16_t a_index;
} __packed;
#define NTFS_A_STD 0x10
#define NTFS_A_ATTRLIST 0x20
#define NTFS_A_NAME 0x30
#define NTFS_A_VOLUMENAME 0x60
#define NTFS_A_DATA 0x80
#define NTFS_A_INDXROOT 0x90
#define NTFS_A_INDX 0xA0
#define NTFS_A_INDXBITMAP 0xB0
#define NTFS_MAXATTRNAME 255
struct attr {
struct attrhdr a_hdr;
union {
struct {
u_int16_t a_datalen;
u_int16_t reserved1;
u_int16_t a_dataoff;
u_int16_t a_indexed;
} __packed a_S_r;
struct {
cn_t a_vcnstart;
cn_t a_vcnend;
u_int16_t a_dataoff;
u_int16_t a_compressalg;
u_int32_t reserved1;
u_int64_t a_allocated;
u_int64_t a_datalen;
u_int64_t a_initialized;
} __packed a_S_nr;
} a_S;
} __packed;
#define a_r a_S.a_S_r
#define a_nr a_S.a_S_nr
typedef struct {
u_int64_t t_create;
u_int64_t t_write;
u_int64_t t_mftwrite;
u_int64_t t_access;
} __packed ntfs_times_t;
#define NTFS_FFLAG_RDONLY 0x01LL
#define NTFS_FFLAG_HIDDEN 0x02LL
#define NTFS_FFLAG_SYSTEM 0x04LL
#define NTFS_FFLAG_ARCHIVE 0x20LL
#define NTFS_FFLAG_COMPRESSED 0x0800LL
#define NTFS_FFLAG_DIR 0x10000000LL
struct attr_name {
u_int32_t n_pnumber; /* Parent ntnode */
u_int32_t reserved;
ntfs_times_t n_times;
u_int64_t n_size;
u_int64_t n_attrsz;
u_int64_t n_flag;
u_int8_t n_namelen;
u_int8_t n_nametype;
u_int16_t n_name[1];
} __packed;
#define NTFS_IRFLAG_INDXALLOC 0x00000001
struct attr_indexroot {
u_int32_t ir_unkn1; /* always 0x30 */
u_int32_t ir_unkn2; /* always 0x1 */
u_int32_t ir_size;/* ??? */
u_int32_t ir_unkn3; /* number of cluster */
u_int32_t ir_unkn4; /* always 0x10 */
u_int32_t ir_datalen; /* sizeof something */
u_int32_t ir_allocated; /* same as above */
u_int16_t ir_flag;/* ?? always 1 */
u_int16_t ir_unkn7;
} __packed;
struct attr_attrlist {
u_int32_t al_type; /* Attribute type */
u_int16_t reclen; /* length of this entry */
u_int8_t al_namelen; /* Attribute name len */
u_int8_t al_nameoff; /* Name offset from entry start */
u_int64_t al_vcnstart; /* VCN number */
u_int32_t al_inumber; /* Parent ntnode */
u_int32_t reserved;
u_int16_t al_index; /* Attribute index in MFT record */
u_int16_t al_name[1]; /* Name */
} __packed;
#define NTFS_INDXMAGIC (u_int32_t)(0x58444E49)
struct attr_indexalloc {
struct fixuphdr ia_fixup;
u_int64_t unknown1;
cn_t ia_bufcn;
u_int16_t ia_hdrsize;
u_int16_t unknown2;
u_int32_t ia_inuse;
u_int32_t ia_allocated;
} __packed;
#define NTFS_IEFLAG_SUBNODE 0x00000001
#define NTFS_IEFLAG_LAST 0x00000002
struct attr_indexentry {
u_int32_t ie_number;
u_int32_t unknown1;
u_int16_t reclen;
u_int16_t ie_size;
u_int32_t ie_flag;/* 1 - has subnodes, 2 - last */
u_int32_t ie_fpnumber;
u_int32_t unknown2;
ntfs_times_t ie_ftimes;
u_int64_t ie_fallocated;
u_int64_t ie_fsize;
u_int64_t ie_fflag;
u_int8_t ie_fnamelen;
u_int8_t ie_fnametype;
wchar ie_fname[NTFS_MAXFILENAME];
/* cn_t ie_bufcn; buffer with subnodes */
} __packed;
#define NTFS_FILEMAGIC (u_int32_t)(0x454C4946)
#define NTFS_FRFLAG_DIR 0x0002
struct filerec {
struct fixuphdr fr_fixup;
u_int8_t reserved[8];
u_int16_t fr_seqnum; /* Sequence number */
u_int16_t fr_nlink;
u_int16_t fr_attroff; /* offset to attributes */
u_int16_t fr_flags; /* 1-nonresident attr, 2-directory */
u_int32_t fr_size;/* hdr + attributes */
u_int32_t fr_allocated; /* allocated length of record */
u_int64_t fr_mainrec; /* main record */
u_int16_t fr_attrnum; /* maximum attr number + 1 ??? */
} __packed;
#define NTFS_ATTRNAME_MAXLEN 0x40
#define NTFS_ADFLAG_NONRES 0x0080 /* Attrib can be non resident */
#define NTFS_ADFLAG_INDEX 0x0002 /* Attrib can be indexed */
struct attrdef {
wchar ad_name[NTFS_ATTRNAME_MAXLEN];
u_int32_t ad_type;
u_int32_t reserved1[2];
u_int32_t ad_flag;
u_int64_t ad_minlen;
u_int64_t ad_maxlen; /* -1 for nonlimited */
} __packed;
struct ntvattrdef {
char ad_name[0x40];
int ad_namelen;
u_int32_t ad_type;
} __packed;
#define NTFS_BBID "NTFS "
#define NTFS_BBIDLEN 8
struct bootfile {
u_int8_t reserved1[3]; /* asm jmp near ... */
u_int8_t bf_sysid[8]; /* 'NTFS ' */
u_int16_t bf_bps; /* bytes per sector */
u_int8_t bf_spc; /* sectors per cluster */
u_int8_t reserved2[7]; /* unused (zeroed) */
u_int8_t bf_media; /* media desc. (0xF8) */
u_int8_t reserved3[2];
u_int16_t bf_spt; /* sectors per track */
u_int16_t bf_heads; /* number of heads */
u_int8_t reserver4[12];
u_int64_t bf_spv; /* sectors per volume */
cn_t bf_mftcn; /* $MFT cluster number */
cn_t bf_mftmirrcn; /* $MFTMirr cn */
u_int8_t bf_mftrecsz; /* MFT record size (clust) */
/* 0xF6 indicates 1/4 */
u_int32_t bf_ibsz; /* index buffer size */
u_int32_t bf_volsn; /* volume ser. num. */
} __packed;
typedef wchar (ntfs_wget_func_t)(const char **);
typedef int (ntfs_wput_func_t)(char *, size_t, wchar);
typedef int (ntfs_wcmp_func_t)(wchar, wchar);
/*
* Maximum number of ntnodes to keep in memory. We do not want to leave
* large data structures hanging off vnodes indefinitely and the data
* needed to reload the ntnode should already be in the buffer cache.
*/
#define LOADED_NTNODE_HI 16
struct ntnode;
TAILQ_HEAD(ntnodeq, ntnode);
#define NTFS_SYSNODESNUM 0x0B
struct ntfsmount {
struct mount *ntm_mountp; /* filesystem vfs structure */
struct bootfile ntm_bootfile;
dev_t ntm_dev; /* device mounted */
struct vnode *ntm_devvp; /* block device mounted vnode */
struct vnode *ntm_sysvn[NTFS_SYSNODESNUM];
u_int32_t ntm_bpmftrec;
uid_t ntm_uid;
gid_t ntm_gid;
mode_t ntm_mode;
u_long ntm_flag;
cn_t ntm_cfree;
struct ntvattrdef *ntm_ad;
int ntm_adnum;
struct netexport ntm_export; /* export information */
ntfs_wget_func_t *ntm_wget; /* decode string to Unicode string */
ntfs_wput_func_t *ntm_wput; /* encode Unicode string to string */
ntfs_wcmp_func_t *ntm_wcmp; /* compare to wide characters */
int ntm_ntnodes; /* Number of loaded ntnodes. */
struct ntnodeq ntm_ntnodeq; /* Queue of ntnodes (LRU). */
};
#define ntm_mftcn ntm_bootfile.bf_mftcn
#define ntm_mftmirrcn ntm_bootfile.bf_mftmirrcn
#define ntm_mftrecsz ntm_bootfile.bf_mftrecsz
#define ntm_spc ntm_bootfile.bf_spc
#define ntm_bps ntm_bootfile.bf_bps
#define NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen))
/* Convert mount ptr to ntfsmount ptr. */
#define VFSTONTFS(mp) ((struct ntfsmount *)((mp)->mnt_data))
#define VTONT(v) FTONT(VTOF(v))
#define VTOF(v) ((struct fnode *)((v)->v_data))
#define FTOV(f) ((f)->f_vp)
#define FTONT(f) ((f)->f_ip)
#define ntfs_cntobn(cn) (daddr_t)((cn) * (ntmp->ntm_spc))
#define ntfs_cntob(cn) (off_t)((cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
#define ntfs_btocn(off) (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
#define ntfs_btocl(off) (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
#define ntfs_btocnoff(off) (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
#define ntfs_bntob(bn) (int32_t)((bn) * (ntmp)->ntm_bps)
#ifdef _KERNEL
#if defined(NTFS_DEBUG)
extern int ntfs_debug;
#define DNPRINTF(n, x...) do { if(ntfs_debug >= (n)) printf(x); } while(0)
#define DPRINTF(x...) DNPRINTF(1, x)
#define DDPRINTF(x...) DNPRINTF(2, x)
#else /* NTFS_DEBUG */
#define DNPRINTF(n, x...)
#define DPRINTF(x...)
#define DDPRINTF(x...)
#endif
extern const struct vops ntfs_vops;
#endif
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