FreeBSD/Linux Kernel Cross Reference
sys/fs/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: releng/5.0/sys/fs/ntfs/ntfs.h 86930 2001-11-27 00:18:33Z jhb $
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 dev_t ntm_dev; /* device mounted */
245 struct vnode *ntm_devvp; /* block device mounted vnode */
246 struct vnode *ntm_sysvn[NTFS_SYSNODESNUM];
247 u_int32_t ntm_bpmftrec;
248 uid_t ntm_uid;
249 gid_t ntm_gid;
250 mode_t ntm_mode;
251 u_long ntm_flag;
252 cn_t ntm_cfree;
253 struct ntvattrdef *ntm_ad;
254 int ntm_adnum;
255 wchar * ntm_82u; /* 8bit to Unicode */
256 char ** ntm_u28; /* Unicode to 8 bit */
257 };
258
259 #define ntm_mftcn ntm_bootfile.bf_mftcn
260 #define ntm_mftmirrcn ntm_bootfile.bf_mftmirrcn
261 #define ntm_mftrecsz ntm_bootfile.bf_mftrecsz
262 #define ntm_spc ntm_bootfile.bf_spc
263 #define ntm_bps ntm_bootfile.bf_bps
264
265 #pragma pack()
266
267 #define NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen))
268
269 /* Convert mount ptr to ntfsmount ptr. */
270 #define VFSTONTFS(mp) ((struct ntfsmount *)((mp)->mnt_data))
271 #define VTONT(v) FTONT(VTOF(v))
272 #define VTOF(v) ((struct fnode *)((v)->v_data))
273 #define FTOV(f) ((f)->f_vp)
274 #define FTONT(f) ((f)->f_ip)
275 #define ntfs_cntobn(cn) (daddr_t)((cn) * (ntmp->ntm_spc))
276 #define ntfs_cntob(cn) (off_t)((cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
277 #define ntfs_btocn(off) (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
278 #define ntfs_btocl(off) (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
279 #define ntfs_btocnoff(off) (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
280 #define ntfs_bntob(bn) (daddr_t)((bn) * (ntmp)->ntm_bps)
281
282 #define ntfs_bpbl (daddr_t)((ntmp)->ntm_bps)
283
284 #ifdef MALLOC_DECLARE
285 MALLOC_DECLARE(M_NTFSMNT);
286 MALLOC_DECLARE(M_NTFSNTNODE);
287 MALLOC_DECLARE(M_NTFSFNODE);
288 MALLOC_DECLARE(M_NTFSDIR);
289 MALLOC_DECLARE(M_NTFSNTHASH);
290 #endif
291
292 #if defined(NTFS_DEBUG)
293 #define dprintf(a) printf a
294 #if NTFS_DEBUG > 1
295 #define ddprintf(a) printf a
296 #else
297 #define ddprintf(a)
298 #endif
299 #else
300 #define dprintf(a)
301 #define ddprintf(a)
302 #endif
303
304 extern vop_t **ntfs_vnodeop_p;
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