sys/vfs/ntfs/ntfs.h

   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: src/sys/ntfs/ntfs.h,v 1.8.2.2 2001/10/12 22:08:49 semenu Exp $
  29  */
  30
  31 #ifdef _KERNEL
  32 #include "opt_ntfs.h"
  33 #include <sys/thread2.h>
  34 #endif
  35
  36
  37 typedef u_int64_t cn_t;
  38 typedef u_int16_t wchar;
  39
  40 #pragma pack(1)
  41 #define BBSIZE                  1024
  42 #define BBOFF                   ((off_t)(0))
  43 #define BBLOCK                  ((daddr_t)(0))
  44 #define NTFS_MFTINO             0
  45 #define NTFS_VOLUMEINO          3
  46 #define NTFS_ATTRDEFINO         4
  47 #define NTFS_ROOTINO            5
  48 #define NTFS_BITMAPINO          6
  49 #define NTFS_BOOTINO            7
  50 #define NTFS_BADCLUSINO         8
  51 #define NTFS_UPCASEINO          10
  52 #define NTFS_MAXFILENAME        255
  53
  54 struct fixuphdr {
  55         u_int32_t       fh_magic;
  56         u_int16_t       fh_foff;
  57         u_int16_t       fh_fnum;
  58 };
  59
  60 #define NTFS_AF_INRUN   0x00000001
  61 struct attrhdr {
  62         u_int32_t       a_type;
  63         u_int32_t       reclen;
  64         u_int8_t        a_flag;
  65         u_int8_t        a_namelen;
  66         u_int8_t        a_nameoff;
  67         u_int8_t        reserved1;
  68         u_int8_t        a_compression;
  69         u_int8_t        reserved2;
  70         u_int16_t       a_index;
  71 };
  72 #define NTFS_A_STD      0x10
  73 #define NTFS_A_ATTRLIST 0x20
  74 #define NTFS_A_NAME     0x30
  75 #define NTFS_A_VOLUMENAME       0x60
  76 #define NTFS_A_DATA     0x80
  77 #define NTFS_A_INDXROOT 0x90
  78 #define NTFS_A_INDX     0xA0
  79 #define NTFS_A_INDXBITMAP 0xB0
  80
  81 #define NTFS_MAXATTRNAME        255
  82 struct attr {
  83         struct attrhdr  a_hdr;
  84         union {
  85                 struct {
  86                         u_int16_t       a_datalen;
  87                         u_int16_t       reserved1;
  88                         u_int16_t       a_dataoff;
  89                         u_int16_t       a_indexed;
  90                 }               a_S_r;
  91                 struct {
  92                         cn_t            a_vcnstart;
  93                         cn_t            a_vcnend;
  94                         u_int16_t       a_dataoff;
  95                         u_int16_t       a_compressalg;
  96                         u_int32_t       reserved1;
  97                         u_int64_t       a_allocated;
  98                         u_int64_t       a_datalen;
  99                         u_int64_t       a_initialized;
 100                 }               a_S_nr;
 101         }               a_S;
 102 };
 103 #define a_r     a_S.a_S_r
 104 #define a_nr    a_S.a_S_nr
 105
 106 typedef struct {
 107         u_int64_t       t_create;
 108         u_int64_t       t_write;
 109         u_int64_t       t_mftwrite;
 110         u_int64_t       t_access;
 111 }               ntfs_times_t;
 112
 113 #define NTFS_FFLAG_RDONLY       0x01LL
 114 #define NTFS_FFLAG_HIDDEN       0x02LL
 115 #define NTFS_FFLAG_SYSTEM       0x04LL
 116 #define NTFS_FFLAG_ARCHIVE      0x20LL
 117 #define NTFS_FFLAG_COMPRESSED   0x0800LL
 118 #define NTFS_FFLAG_DIR          0x10000000LL
 119
 120 struct attr_name {
 121         u_int32_t       n_pnumber;      /* Parent ntnode */
 122         u_int32_t       reserved;
 123         ntfs_times_t    n_times;
 124         u_int64_t       n_size;
 125         u_int64_t       n_attrsz;
 126         u_int64_t       n_flag;
 127         u_int8_t        n_namelen;
 128         u_int8_t        n_nametype;
 129         u_int16_t       n_name[1];
 130 };
 131
 132 #define NTFS_IRFLAG_INDXALLOC   0x00000001
 133 struct attr_indexroot {
 134         u_int32_t       ir_unkn1;       /* always 0x30 */
 135         u_int32_t       ir_unkn2;       /* always 0x1 */
 136         u_int32_t       ir_size;/* ??? */
 137         u_int32_t       ir_unkn3;       /* number of cluster */
 138         u_int32_t       ir_unkn4;       /* always 0x10 */
 139         u_int32_t       ir_datalen;     /* sizeof simething */
 140         u_int32_t       ir_allocated;   /* same as above */
 141         u_int16_t       ir_flag;/* ?? always 1 */
 142         u_int16_t       ir_unkn7;
 143 };
 144
 145 struct attr_attrlist {
 146         u_int32_t       al_type;        /* Attribute type */
 147         u_int16_t       reclen;         /* length of this entry */
 148         u_int8_t        al_namelen;     /* Attribute name len */
 149         u_int8_t        al_nameoff;     /* Name offset from entry start */
 150         u_int64_t       al_vcnstart;    /* VCN number */
 151         u_int32_t       al_inumber;     /* Parent ntnode */
 152         u_int32_t       reserved;
 153         u_int16_t       al_index;       /* Attribute index in MFT record */
 154         u_int16_t       al_name[1];     /* Name */
 155 };
 156
 157 #define NTFS_INDXMAGIC  (u_int32_t)(0x58444E49)
 158 struct attr_indexalloc {
 159         struct fixuphdr ia_fixup;
 160         u_int64_t       unknown1;
 161         cn_t            ia_bufcn;
 162         u_int16_t       ia_hdrsize;
 163         u_int16_t       unknown2;
 164         u_int32_t       ia_inuse;
 165         u_int32_t       ia_allocated;
 166 };
 167
 168 #define NTFS_IEFLAG_SUBNODE     0x00000001
 169 #define NTFS_IEFLAG_LAST        0x00000002
 170
 171 struct attr_indexentry {
 172         u_int32_t       ie_number;
 173         u_int32_t       unknown1;
 174         u_int16_t       reclen;
 175         u_int16_t       ie_size;
 176         u_int32_t       ie_flag;/* 1 - has subnodes, 2 - last */
 177         u_int32_t       ie_fpnumber;
 178         u_int32_t       unknown2;
 179         ntfs_times_t    ie_ftimes;
 180         u_int64_t       ie_fallocated;
 181         u_int64_t       ie_fsize;
 182         u_int64_t       ie_fflag;
 183         u_int8_t        ie_fnamelen;
 184         u_int8_t        ie_fnametype;
 185         wchar           ie_fname[NTFS_MAXFILENAME];
 186         /* cn_t         ie_bufcn;        buffer with subnodes */
 187 };
 188
 189 #define NTFS_FILEMAGIC  (u_int32_t)(0x454C4946)
 190 #define NTFS_FRFLAG_DIR 0x0002
 191 struct filerec {
 192         struct fixuphdr fr_fixup;
 193         u_int8_t        reserved[8];
 194         u_int16_t       fr_seqnum;      /* Sequence number */
 195         u_int16_t       fr_nlink;
 196         u_int16_t       fr_attroff;     /* offset to attributes */
 197         u_int16_t       fr_flags;       /* 1-nonresident attr, 2-directory */
 198         u_int32_t       fr_size;/* hdr + attributes */
 199         u_int32_t       fr_allocated;   /* allocated length of record */
 200         u_int64_t       fr_mainrec;     /* main record */
 201         u_int16_t       fr_attrnum;     /* maximum attr number + 1 ??? */
 202 };
 203
 204 #define NTFS_ATTRNAME_MAXLEN    0x40
 205 #define NTFS_ADFLAG_NONRES      0x0080  /* Attrib can be non resident */
 206 #define NTFS_ADFLAG_INDEX       0x0002  /* Attrib can be indexed */
 207 struct attrdef {
 208         wchar           ad_name[NTFS_ATTRNAME_MAXLEN];
 209         u_int32_t       ad_type;
 210         u_int32_t       reserved1[2];
 211         u_int32_t       ad_flag;
 212         u_int64_t       ad_minlen;
 213         u_int64_t       ad_maxlen;      /* -1 for nonlimited */
 214 };
 215
 216 struct ntvattrdef {
 217         char            ad_name[0x40];
 218         int             ad_namelen;
 219         u_int32_t       ad_type;
 220 };
 221
 222 #define NTFS_BBID       "NTFS    "
 223 #define NTFS_BBIDLEN    8
 224 struct bootfile {
 225         u_int8_t        reserved1[3];   /* asm jmp near ... */
 226         u_int8_t        bf_sysid[8];    /* 'NTFS    ' */
 227         u_int16_t       bf_bps;         /* bytes per sector */
 228         u_int8_t        bf_spc;         /* sectors per cluster */
 229         u_int8_t        reserved2[7];   /* unused (zeroed) */
 230         u_int8_t        bf_media;       /* media desc. (0xF8) */
 231         u_int8_t        reserved3[2];
 232         u_int16_t       bf_spt;         /* sectors per track */
 233         u_int16_t       bf_heads;       /* number of heads */
 234         u_int8_t        reserver4[12];
 235         u_int64_t       bf_spv;         /* sectors per volume */
 236         cn_t            bf_mftcn;       /* $MFT cluster number */
 237         cn_t            bf_mftmirrcn;   /* $MFTMirr cn */
 238         u_int8_t        bf_mftrecsz;    /* MFT record size (clust) */
 239                                         /* 0xF6 inducates 1/4 */
 240         u_int32_t       bf_ibsz;        /* index buffer size */
 241         u_int32_t       bf_volsn;       /* volume ser. num. */
 242 };
 243
 244 #define NTFS_SYSNODESNUM        0x0B
 245 struct ntfsmount {
 246         struct mount   *ntm_mountp;     /* filesystem vfs structure */
 247         struct bootfile ntm_bootfile;
 248         cdev_t           ntm_dev;       /* device mounted */
 249         struct vnode   *ntm_devvp;      /* block device mounted vnode */
 250         struct vnode   *ntm_sysvn[NTFS_SYSNODESNUM];
 251         u_int32_t       ntm_bpmftrec;
 252         uid_t           ntm_uid;
 253         gid_t           ntm_gid;
 254         mode_t          ntm_mode;
 255         u_long          ntm_flag;
 256         cn_t            ntm_cfree;
 257         struct ntvattrdef *ntm_ad;
 258         int             ntm_adnum;
 259         struct netexport ntm_export;    /* export information */
 260         wchar *         ntm_82u;        /* 8bit to Unicode */
 261         char **         ntm_u28;        /* Unicode to 8 bit */
 262         void *          ntm_ic_l2u;     /* Local to Unicode (iconv) */
 263         void *          ntm_ic_u2l;     /* Unicode to Local (iconv) */
 264 };
 265
 266 #define ntm_mftcn       ntm_bootfile.bf_mftcn
 267 #define ntm_mftmirrcn   ntm_bootfile.bf_mftmirrcn
 268 #define ntm_mftrecsz    ntm_bootfile.bf_mftrecsz
 269 #define ntm_spc         ntm_bootfile.bf_spc
 270 #define ntm_bps         ntm_bootfile.bf_bps
 271
 272 #pragma pack()
 273
 274 #define NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen))
 275
 276 /* Convert mount ptr to ntfsmount ptr. */
 277 #define VFSTONTFS(mp)   ((struct ntfsmount *)((mp)->mnt_data))
 278 #define VTONT(v)        FTONT(VTOF(v))
 279 #define VTOF(v)         ((struct fnode *)((v)->v_data))
 280 #define FTOV(f)         ((f)->f_vp)
 281 #define FTONT(f)        ((f)->f_ip)
 282
 283 /*
 284  * Misc block conversion macros.  The 'doff' macros convert to linear disk
 285  * byte offsets suitable for bread, getblk, etc.
 286  */
 287 #define ntfs_cntobn(cn) (daddr_t)((cn) * (ntmp->ntm_spc))
 288 #define ntfs_cntodoff(cn) ((off_t)(cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
 289 #define ntfs_cntob(cn)  ((off_t)(cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
 290 #define ntfs_btocn(off) (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
 291 #define ntfs_btocl(off) (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
 292 #define ntfs_btocnoff(off)      (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
 293 #define ntfs_bntob(bn)  (daddr_t)((bn) * (ntmp)->ntm_bps)
 294 #define ntfs_bntodoff(bn)       ((off_t)(bn) * (ntmp)->ntm_bps)
 295
 296 #define ntfs_bpbl       (daddr_t)((ntmp)->ntm_bps)
 297
 298 #ifdef MALLOC_DECLARE
 299 MALLOC_DECLARE(M_NTFSMNT);
 300 MALLOC_DECLARE(M_NTFSNTNODE);
 301 MALLOC_DECLARE(M_NTFSFNODE);
 302 MALLOC_DECLARE(M_NTFSDIR);
 303 MALLOC_DECLARE(M_NTFSNTHASH);
 304 #endif
 305
 306 #define VOP__UNLOCK(a, b)       vn_unlock((a))
 307 #define VGET(a, b)              vget((a), (b))
 308 #define VN_LOCK(a, b)           vn_lock((a), (b))
 309 #define VOP_LOCK(a, b)          vn_lock((a), (b) | LK_FAILRECLAIM)
 310 #define LOCKMGR(a, b)           lockmgr((a), (b))
 311
 312 #ifdef _KERNEL
 313 #if defined(NTFS_DEBUG)
 314 #define dprintf(a) kprintf a
 315 #if NTFS_DEBUG > 1
 316 #define ddprintf(a) kprintf a
 317 #else
 318 #define ddprintf(a)
 319 #endif
 320 #else
 321 #define dprintf(a)
 322 #define ddprintf(a)
 323 #endif
 324 #endif
 325