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 * $DragonFly: src/sys/vfs/ntfs/ntfs.h,v 1.16 2006/12/23 00:41:30 swildner Exp $ 30 */ 31 32 /*#define NTFS_DEBUG 1*/ 33 #if defined(__NetBSD__) && defined(_KERNEL) && !defined(_LKM) 34 #include "opt_ntfs.h" 35 #endif 36 #if defined(__DragonFly__) 37 #include <sys/thread2.h> 38 #endif 39 40 typedef u_int64_t cn_t; 41 typedef u_int16_t wchar; 42 43 #pragma pack(1) 44 #define BBSIZE 1024 45 #define BBOFF ((off_t)(0)) 46 #define BBLOCK ((daddr_t)(0)) 47 #define NTFS_MFTINO 0 48 #define NTFS_VOLUMEINO 3 49 #define NTFS_ATTRDEFINO 4 50 #define NTFS_ROOTINO 5 51 #define NTFS_BITMAPINO 6 52 #define NTFS_BOOTINO 7 53 #define NTFS_BADCLUSINO 8 54 #define NTFS_UPCASEINO 10 55 #define NTFS_MAXFILENAME 255 56 57 struct fixuphdr { 58 u_int32_t fh_magic; 59 u_int16_t fh_foff; 60 u_int16_t fh_fnum; 61 }; 62 63 #define NTFS_AF_INRUN 0x00000001 64 struct attrhdr { 65 u_int32_t a_type; 66 u_int32_t reclen; 67 u_int8_t a_flag; 68 u_int8_t a_namelen; 69 u_int8_t a_nameoff; 70 u_int8_t reserved1; 71 u_int8_t a_compression; 72 u_int8_t reserved2; 73 u_int16_t a_index; 74 }; 75 #define NTFS_A_STD 0x10 76 #define NTFS_A_ATTRLIST 0x20 77 #define NTFS_A_NAME 0x30 78 #define NTFS_A_VOLUMENAME 0x60 79 #define NTFS_A_DATA 0x80 80 #define NTFS_A_INDXROOT 0x90 81 #define NTFS_A_INDX 0xA0 82 #define NTFS_A_INDXBITMAP 0xB0 83 84 #define NTFS_MAXATTRNAME 255 85 struct attr { 86 struct attrhdr a_hdr; 87 union { 88 struct { 89 u_int16_t a_datalen; 90 u_int16_t reserved1; 91 u_int16_t a_dataoff; 92 u_int16_t a_indexed; 93 } a_S_r; 94 struct { 95 cn_t a_vcnstart; 96 cn_t a_vcnend; 97 u_int16_t a_dataoff; 98 u_int16_t a_compressalg; 99 u_int32_t reserved1; 100 u_int64_t a_allocated; 101 u_int64_t a_datalen; 102 u_int64_t a_initialized; 103 } a_S_nr; 104 } a_S; 105 }; 106 #define a_r a_S.a_S_r 107 #define a_nr a_S.a_S_nr 108 109 typedef struct { 110 u_int64_t t_create; 111 u_int64_t t_write; 112 u_int64_t t_mftwrite; 113 u_int64_t t_access; 114 } ntfs_times_t; 115 116 #define NTFS_FFLAG_RDONLY 0x01LL 117 #define NTFS_FFLAG_HIDDEN 0x02LL 118 #define NTFS_FFLAG_SYSTEM 0x04LL 119 #define NTFS_FFLAG_ARCHIVE 0x20LL 120 #define NTFS_FFLAG_COMPRESSED 0x0800LL 121 #define NTFS_FFLAG_DIR 0x10000000LL 122 123 struct attr_name { 124 u_int32_t n_pnumber; /* Parent ntnode */ 125 u_int32_t reserved; 126 ntfs_times_t n_times; 127 u_int64_t n_size; 128 u_int64_t n_attrsz; 129 u_int64_t n_flag; 130 u_int8_t n_namelen; 131 u_int8_t n_nametype; 132 u_int16_t n_name[1]; 133 }; 134 135 #define NTFS_IRFLAG_INDXALLOC 0x00000001 136 struct attr_indexroot { 137 u_int32_t ir_unkn1; /* always 0x30 */ 138 u_int32_t ir_unkn2; /* always 0x1 */ 139 u_int32_t ir_size;/* ??? */ 140 u_int32_t ir_unkn3; /* number of cluster */ 141 u_int32_t ir_unkn4; /* always 0x10 */ 142 u_int32_t ir_datalen; /* sizeof simething */ 143 u_int32_t ir_allocated; /* same as above */ 144 u_int16_t ir_flag;/* ?? always 1 */ 145 u_int16_t ir_unkn7; 146 }; 147 148 struct attr_attrlist { 149 u_int32_t al_type; /* Attribute type */ 150 u_int16_t reclen; /* length of this entry */ 151 u_int8_t al_namelen; /* Attribute name len */ 152 u_int8_t al_nameoff; /* Name offset from entry start */ 153 u_int64_t al_vcnstart; /* VCN number */ 154 u_int32_t al_inumber; /* Parent ntnode */ 155 u_int32_t reserved; 156 u_int16_t al_index; /* Attribute index in MFT record */ 157 u_int16_t al_name[1]; /* Name */ 158 }; 159 160 #define NTFS_INDXMAGIC (u_int32_t)(0x58444E49) 161 struct attr_indexalloc { 162 struct fixuphdr ia_fixup; 163 u_int64_t unknown1; 164 cn_t ia_bufcn; 165 u_int16_t ia_hdrsize; 166 u_int16_t unknown2; 167 u_int32_t ia_inuse; 168 u_int32_t ia_allocated; 169 }; 170 171 #define NTFS_IEFLAG_SUBNODE 0x00000001 172 #define NTFS_IEFLAG_LAST 0x00000002 173 174 struct attr_indexentry { 175 u_int32_t ie_number; 176 u_int32_t unknown1; 177 u_int16_t reclen; 178 u_int16_t ie_size; 179 u_int32_t ie_flag;/* 1 - has subnodes, 2 - last */ 180 u_int32_t ie_fpnumber; 181 u_int32_t unknown2; 182 ntfs_times_t ie_ftimes; 183 u_int64_t ie_fallocated; 184 u_int64_t ie_fsize; 185 u_int64_t ie_fflag; 186 u_int8_t ie_fnamelen; 187 u_int8_t ie_fnametype; 188 wchar ie_fname[NTFS_MAXFILENAME]; 189 /* cn_t ie_bufcn; buffer with subnodes */ 190 }; 191 192 #define NTFS_FILEMAGIC (u_int32_t)(0x454C4946) 193 #define NTFS_FRFLAG_DIR 0x0002 194 struct filerec { 195 struct fixuphdr fr_fixup; 196 u_int8_t reserved[8]; 197 u_int16_t fr_seqnum; /* Sequence number */ 198 u_int16_t fr_nlink; 199 u_int16_t fr_attroff; /* offset to attributes */ 200 u_int16_t fr_flags; /* 1-nonresident attr, 2-directory */ 201 u_int32_t fr_size;/* hdr + attributes */ 202 u_int32_t fr_allocated; /* allocated length of record */ 203 u_int64_t fr_mainrec; /* main record */ 204 u_int16_t fr_attrnum; /* maximum attr number + 1 ??? */ 205 }; 206 207 #define NTFS_ATTRNAME_MAXLEN 0x40 208 #define NTFS_ADFLAG_NONRES 0x0080 /* Attrib can be non resident */ 209 #define NTFS_ADFLAG_INDEX 0x0002 /* Attrib can be indexed */ 210 struct attrdef { 211 wchar ad_name[NTFS_ATTRNAME_MAXLEN]; 212 u_int32_t ad_type; 213 u_int32_t reserved1[2]; 214 u_int32_t ad_flag; 215 u_int64_t ad_minlen; 216 u_int64_t ad_maxlen; /* -1 for nonlimited */ 217 }; 218 219 struct ntvattrdef { 220 char ad_name[0x40]; 221 int ad_namelen; 222 u_int32_t ad_type; 223 }; 224 225 #define NTFS_BBID "NTFS " 226 #define NTFS_BBIDLEN 8 227 struct bootfile { 228 u_int8_t reserved1[3]; /* asm jmp near ... */ 229 u_int8_t bf_sysid[8]; /* 'NTFS ' */ 230 u_int16_t bf_bps; /* bytes per sector */ 231 u_int8_t bf_spc; /* sectors per cluster */ 232 u_int8_t reserved2[7]; /* unused (zeroed) */ 233 u_int8_t bf_media; /* media desc. (0xF8) */ 234 u_int8_t reserved3[2]; 235 u_int16_t bf_spt; /* sectors per track */ 236 u_int16_t bf_heads; /* number of heads */ 237 u_int8_t reserver4[12]; 238 u_int64_t bf_spv; /* sectors per volume */ 239 cn_t bf_mftcn; /* $MFT cluster number */ 240 cn_t bf_mftmirrcn; /* $MFTMirr cn */ 241 u_int8_t bf_mftrecsz; /* MFT record size (clust) */ 242 /* 0xF6 inducates 1/4 */ 243 u_int32_t bf_ibsz; /* index buffer size */ 244 u_int32_t bf_volsn; /* volume ser. num. */ 245 }; 246 247 #define NTFS_SYSNODESNUM 0x0B 248 struct ntfsmount { 249 struct mount *ntm_mountp; /* filesystem vfs structure */ 250 struct bootfile ntm_bootfile; 251 cdev_t ntm_dev; /* device mounted */ 252 struct vnode *ntm_devvp; /* block device mounted vnode */ 253 struct vnode *ntm_sysvn[NTFS_SYSNODESNUM]; 254 u_int32_t ntm_bpmftrec; 255 uid_t ntm_uid; 256 gid_t ntm_gid; 257 mode_t ntm_mode; 258 u_long ntm_flag; 259 cn_t ntm_cfree; 260 struct ntvattrdef *ntm_ad; 261 int ntm_adnum; 262 struct netexport ntm_export; /* export information */ 263 wchar * ntm_82u; /* 8bit to Unicode */ 264 char ** ntm_u28; /* Unicode to 8 bit */ 265 }; 266 267 #define ntm_mftcn ntm_bootfile.bf_mftcn 268 #define ntm_mftmirrcn ntm_bootfile.bf_mftmirrcn 269 #define ntm_mftrecsz ntm_bootfile.bf_mftrecsz 270 #define ntm_spc ntm_bootfile.bf_spc 271 #define ntm_bps ntm_bootfile.bf_bps 272 273 #pragma pack() 274 275 #define NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen)) 276 277 /* Convert mount ptr to ntfsmount ptr. */ 278 #define VFSTONTFS(mp) ((struct ntfsmount *)((mp)->mnt_data)) 279 #define VTONT(v) FTONT(VTOF(v)) 280 #define VTOF(v) ((struct fnode *)((v)->v_data)) 281 #define FTOV(f) ((f)->f_vp) 282 #define FTONT(f) ((f)->f_ip) 283 284 /* 285 * Misc block conversion macros. The 'doff' macros convert to linear disk 286 * byte offsets suitable for bread, getblk, etc. 287 */ 288 #define ntfs_cntobn(cn) (daddr_t)((cn) * (ntmp->ntm_spc)) 289 #define ntfs_cntodoff(cn) ((off_t)(cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps) 290 #define ntfs_cntob(cn) ((off_t)(cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps) 291 #define ntfs_btocn(off) (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) 292 #define ntfs_btocl(off) (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) 293 #define ntfs_btocnoff(off) (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps)) 294 #define ntfs_bntob(bn) (daddr_t)((bn) * (ntmp)->ntm_bps) 295 #define ntfs_bntodoff(bn) ((off_t)(bn) * (ntmp)->ntm_bps) 296 297 #define ntfs_bpbl (daddr_t)((ntmp)->ntm_bps) 298 299 #ifdef MALLOC_DECLARE 300 MALLOC_DECLARE(M_NTFSMNT); 301 MALLOC_DECLARE(M_NTFSNTNODE); 302 MALLOC_DECLARE(M_NTFSFNODE); 303 MALLOC_DECLARE(M_NTFSDIR); 304 MALLOC_DECLARE(M_NTFSNTHASH); 305 #endif 306 307 #define HASHINIT(a, b, c, d) hashinit((a), (b), (d)) 308 #define VOP__UNLOCK(a, b) vn_unlock((a)) 309 #define VGET(a, b) vget((a), (b)) 310 #define VN_LOCK(a, b) vn_lock((a), (b)) 311 #define LOCKMGR(a, b) lockmgr((a), (b)) 312 313 #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 324 325