The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/fs/ntfs/ntfs.h

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    1 /*      $NetBSD: ntfs.h,v 1.9 1999/10/31 19:45:26 jdolecek Exp $        */
    2 
    3 /*-
    4  * Copyright (c) 1998, 1999 Semen Ustimenko
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD: releng/6.4/sys/fs/ntfs/ntfs.h 138488 2004-12-06 20:22:16Z phk $
   29  */
   30 
   31 /*#define NTFS_DEBUG 1*/
   32 
   33 typedef u_int64_t cn_t;
   34 typedef u_int16_t wchar;
   35 
   36 #pragma pack(1)
   37 #define BBSIZE                  1024
   38 #define BBOFF                   ((off_t)(0))
   39 #define BBLOCK                  ((daddr_t)(0))
   40 #define NTFS_MFTINO             0
   41 #define NTFS_VOLUMEINO          3
   42 #define NTFS_ATTRDEFINO         4
   43 #define NTFS_ROOTINO            5
   44 #define NTFS_BITMAPINO          6
   45 #define NTFS_BOOTINO            7
   46 #define NTFS_BADCLUSINO         8
   47 #define NTFS_UPCASEINO          10
   48 #define NTFS_MAXFILENAME        255
   49 
   50 struct fixuphdr {
   51         u_int32_t       fh_magic;
   52         u_int16_t       fh_foff;
   53         u_int16_t       fh_fnum;
   54 };
   55 
   56 #define NTFS_AF_INRUN   0x00000001
   57 struct attrhdr {
   58         u_int32_t       a_type;
   59         u_int32_t       reclen;
   60         u_int8_t        a_flag;
   61         u_int8_t        a_namelen;
   62         u_int8_t        a_nameoff;
   63         u_int8_t        reserved1;
   64         u_int8_t        a_compression;
   65         u_int8_t        reserved2;
   66         u_int16_t       a_index;
   67 };
   68 #define NTFS_A_STD      0x10
   69 #define NTFS_A_ATTRLIST 0x20
   70 #define NTFS_A_NAME     0x30
   71 #define NTFS_A_VOLUMENAME       0x60
   72 #define NTFS_A_DATA     0x80
   73 #define NTFS_A_INDXROOT 0x90
   74 #define NTFS_A_INDX     0xA0
   75 #define NTFS_A_INDXBITMAP 0xB0
   76 
   77 #define NTFS_MAXATTRNAME        255
   78 struct attr {
   79         struct attrhdr  a_hdr;
   80         union {
   81                 struct {
   82                         u_int16_t       a_datalen;
   83                         u_int16_t       reserved1;
   84                         u_int16_t       a_dataoff;
   85                         u_int16_t       a_indexed;
   86                 }               a_S_r;
   87                 struct {
   88                         cn_t            a_vcnstart;
   89                         cn_t            a_vcnend;
   90                         u_int16_t       a_dataoff;
   91                         u_int16_t       a_compressalg;
   92                         u_int32_t       reserved1;
   93                         u_int64_t       a_allocated;
   94                         u_int64_t       a_datalen;
   95                         u_int64_t       a_initialized;
   96                 }               a_S_nr;
   97         }               a_S;
   98 };
   99 #define a_r     a_S.a_S_r
  100 #define a_nr    a_S.a_S_nr
  101 
  102 typedef struct {
  103         u_int64_t       t_create;
  104         u_int64_t       t_write;
  105         u_int64_t       t_mftwrite;
  106         u_int64_t       t_access;
  107 }               ntfs_times_t;
  108 
  109 #define NTFS_FFLAG_RDONLY       0x01LL
  110 #define NTFS_FFLAG_HIDDEN       0x02LL
  111 #define NTFS_FFLAG_SYSTEM       0x04LL
  112 #define NTFS_FFLAG_ARCHIVE      0x20LL
  113 #define NTFS_FFLAG_COMPRESSED   0x0800LL
  114 #define NTFS_FFLAG_DIR          0x10000000LL
  115 
  116 struct attr_name {
  117         u_int32_t       n_pnumber;      /* Parent ntnode */
  118         u_int32_t       reserved;
  119         ntfs_times_t    n_times;
  120         u_int64_t       n_size;
  121         u_int64_t       n_attrsz;
  122         u_int64_t       n_flag;
  123         u_int8_t        n_namelen;
  124         u_int8_t        n_nametype;
  125         u_int16_t       n_name[1];
  126 };
  127 
  128 #define NTFS_IRFLAG_INDXALLOC   0x00000001
  129 struct attr_indexroot {
  130         u_int32_t       ir_unkn1;       /* always 0x30 */
  131         u_int32_t       ir_unkn2;       /* always 0x1 */
  132         u_int32_t       ir_size;/* ??? */
  133         u_int32_t       ir_unkn3;       /* number of cluster */
  134         u_int32_t       ir_unkn4;       /* always 0x10 */
  135         u_int32_t       ir_datalen;     /* sizeof simething */
  136         u_int32_t       ir_allocated;   /* same as above */
  137         u_int16_t       ir_flag;/* ?? always 1 */
  138         u_int16_t       ir_unkn7;
  139 };
  140 
  141 struct attr_attrlist {
  142         u_int32_t       al_type;        /* Attribute type */
  143         u_int16_t       reclen;         /* length of this entry */
  144         u_int8_t        al_namelen;     /* Attribute name len */
  145         u_int8_t        al_nameoff;     /* Name offset from entry start */
  146         u_int64_t       al_vcnstart;    /* VCN number */
  147         u_int32_t       al_inumber;     /* Parent ntnode */
  148         u_int32_t       reserved;
  149         u_int16_t       al_index;       /* Attribute index in MFT record */
  150         u_int16_t       al_name[1];     /* Name */
  151 };
  152 
  153 #define NTFS_INDXMAGIC  (u_int32_t)(0x58444E49)
  154 struct attr_indexalloc {
  155         struct fixuphdr ia_fixup;
  156         u_int64_t       unknown1;
  157         cn_t            ia_bufcn;
  158         u_int16_t       ia_hdrsize;
  159         u_int16_t       unknown2;
  160         u_int32_t       ia_inuse;
  161         u_int32_t       ia_allocated;
  162 };
  163 
  164 #define NTFS_IEFLAG_SUBNODE     0x00000001
  165 #define NTFS_IEFLAG_LAST        0x00000002
  166 
  167 struct attr_indexentry {
  168         u_int32_t       ie_number;
  169         u_int32_t       unknown1;
  170         u_int16_t       reclen;
  171         u_int16_t       ie_size;
  172         u_int32_t       ie_flag;/* 1 - has subnodes, 2 - last */
  173         u_int32_t       ie_fpnumber;
  174         u_int32_t       unknown2;
  175         ntfs_times_t    ie_ftimes;
  176         u_int64_t       ie_fallocated;
  177         u_int64_t       ie_fsize;
  178         u_int64_t       ie_fflag;
  179         u_int8_t        ie_fnamelen;
  180         u_int8_t        ie_fnametype;
  181         wchar           ie_fname[NTFS_MAXFILENAME];
  182         /* cn_t         ie_bufcn;        buffer with subnodes */
  183 };
  184 
  185 #define NTFS_FILEMAGIC  (u_int32_t)(0x454C4946)
  186 #define NTFS_FRFLAG_DIR 0x0002
  187 struct filerec {
  188         struct fixuphdr fr_fixup;
  189         u_int8_t        reserved[8];
  190         u_int16_t       fr_seqnum;      /* Sequence number */
  191         u_int16_t       fr_nlink;
  192         u_int16_t       fr_attroff;     /* offset to attributes */
  193         u_int16_t       fr_flags;       /* 1-nonresident attr, 2-directory */
  194         u_int32_t       fr_size;/* hdr + attributes */
  195         u_int32_t       fr_allocated;   /* allocated length of record */
  196         u_int64_t       fr_mainrec;     /* main record */
  197         u_int16_t       fr_attrnum;     /* maximum attr number + 1 ??? */
  198 };
  199 
  200 #define NTFS_ATTRNAME_MAXLEN    0x40
  201 #define NTFS_ADFLAG_NONRES      0x0080  /* Attrib can be non resident */
  202 #define NTFS_ADFLAG_INDEX       0x0002  /* Attrib can be indexed */
  203 struct attrdef {
  204         wchar           ad_name[NTFS_ATTRNAME_MAXLEN];
  205         u_int32_t       ad_type;
  206         u_int32_t       reserved1[2];
  207         u_int32_t       ad_flag;
  208         u_int64_t       ad_minlen;
  209         u_int64_t       ad_maxlen;      /* -1 for nonlimited */
  210 };
  211 
  212 struct ntvattrdef {
  213         char            ad_name[0x40];
  214         int             ad_namelen;
  215         u_int32_t       ad_type;
  216 };
  217 
  218 #define NTFS_BBID       "NTFS    "
  219 #define NTFS_BBIDLEN    8
  220 struct bootfile {
  221         u_int8_t        reserved1[3];   /* asm jmp near ... */
  222         u_int8_t        bf_sysid[8];    /* 'NTFS    ' */
  223         u_int16_t       bf_bps;         /* bytes per sector */
  224         u_int8_t        bf_spc;         /* sectors per cluster */
  225         u_int8_t        reserved2[7];   /* unused (zeroed) */
  226         u_int8_t        bf_media;       /* media desc. (0xF8) */
  227         u_int8_t        reserved3[2];
  228         u_int16_t       bf_spt;         /* sectors per track */
  229         u_int16_t       bf_heads;       /* number of heads */
  230         u_int8_t        reserver4[12];
  231         u_int64_t       bf_spv;         /* sectors per volume */
  232         cn_t            bf_mftcn;       /* $MFT cluster number */
  233         cn_t            bf_mftmirrcn;   /* $MFTMirr cn */
  234         u_int8_t        bf_mftrecsz;    /* MFT record size (clust) */
  235                                         /* 0xF6 inducates 1/4 */
  236         u_int32_t       bf_ibsz;        /* index buffer size */
  237         u_int32_t       bf_volsn;       /* volume ser. num. */
  238 };
  239 
  240 #define NTFS_SYSNODESNUM        0x0B
  241 struct ntfsmount {
  242         struct mount   *ntm_mountp;     /* filesystem vfs structure */
  243         struct bootfile ntm_bootfile;
  244         struct g_consumer *ntm_cp;
  245         struct bufobj  *ntm_bo;
  246         struct vnode   *ntm_devvp;      /* block device mounted vnode */
  247         struct vnode   *ntm_sysvn[NTFS_SYSNODESNUM];
  248         u_int32_t       ntm_bpmftrec;
  249         uid_t           ntm_uid;
  250         gid_t           ntm_gid;
  251         mode_t          ntm_mode;
  252         u_int           ntm_flag;
  253         cn_t            ntm_cfree;
  254         struct ntvattrdef *ntm_ad;
  255         int             ntm_adnum;
  256         wchar *         ntm_82u;        /* 8bit to Unicode */
  257         char **         ntm_u28;        /* Unicode to 8 bit */
  258         void *          ntm_ic_l2u;     /* Local to Unicode (iconv) */
  259         void *          ntm_ic_u2l;     /* Unicode to Local (iconv) */
  260 };
  261 
  262 #define ntm_mftcn       ntm_bootfile.bf_mftcn
  263 #define ntm_mftmirrcn   ntm_bootfile.bf_mftmirrcn
  264 #define ntm_mftrecsz    ntm_bootfile.bf_mftrecsz
  265 #define ntm_spc         ntm_bootfile.bf_spc
  266 #define ntm_bps         ntm_bootfile.bf_bps
  267 
  268 #pragma pack()
  269 
  270 #define NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen))
  271 
  272 /* Convert mount ptr to ntfsmount ptr. */
  273 #define VFSTONTFS(mp)   ((struct ntfsmount *)((mp)->mnt_data))
  274 #define VTONT(v)        FTONT(VTOF(v))
  275 #define VTOF(v)         ((struct fnode *)((v)->v_data))
  276 #define FTOV(f)         ((f)->f_vp)
  277 #define FTONT(f)        ((f)->f_ip)
  278 #define ntfs_cntobn(cn) (daddr_t)((cn) * (ntmp->ntm_spc))
  279 #define ntfs_cntob(cn)  (off_t)((cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
  280 #define ntfs_btocn(off) (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
  281 #define ntfs_btocl(off) (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
  282 #define ntfs_btocnoff(off)      (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
  283 #define ntfs_bntob(bn)  (daddr_t)((bn) * (ntmp)->ntm_bps)
  284 
  285 #define ntfs_bpbl       (daddr_t)((ntmp)->ntm_bps)
  286 
  287 #ifdef MALLOC_DECLARE
  288 MALLOC_DECLARE(M_NTFSMNT);
  289 MALLOC_DECLARE(M_NTFSNTNODE);
  290 MALLOC_DECLARE(M_NTFSFNODE);
  291 MALLOC_DECLARE(M_NTFSDIR);
  292 MALLOC_DECLARE(M_NTFSNTHASH);
  293 #endif
  294 
  295 #if defined(NTFS_DEBUG)
  296 #define dprintf(a) printf a
  297 #if NTFS_DEBUG > 1
  298 #define ddprintf(a) printf a
  299 #else
  300 #define ddprintf(a)
  301 #endif
  302 #else
  303 #define dprintf(a)
  304 #define ddprintf(a)
  305 #endif
  306 
  307 extern struct vop_vector ntfs_vnodeops;

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