xref: /dragonfly/sys/vfs/ntfs/ntfs.h (revision fcf6efefc03a35111797b109fa4994034ebe39ba)
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 #endif
34 
35 
36 typedef u_int64_t cn_t;
37 typedef u_int16_t wchar;
38 
39 #pragma pack(1)
40 #define BBSIZE                          1024
41 #define   BBOFF                         ((off_t)(0))
42 #define   BBLOCK                        ((daddr_t)(0))
43 #define   NTFS_MFTINO                   0
44 #define   NTFS_VOLUMEINO                3
45 #define   NTFS_ATTRDEFINO               4
46 #define   NTFS_ROOTINO                  5
47 #define   NTFS_BITMAPINO                6
48 #define   NTFS_BOOTINO                  7
49 #define   NTFS_BADCLUSINO               8
50 #define   NTFS_UPCASEINO                10
51 #define NTFS_MAXFILENAME      255
52 
53 struct fixuphdr {
54           u_int32_t       fh_magic;
55           u_int16_t       fh_foff;
56           u_int16_t       fh_fnum;
57 };
58 
59 #define NTFS_AF_INRUN         0x00000001
60 struct attrhdr {
61           u_int32_t       a_type;
62           u_int32_t       reclen;
63           u_int8_t        a_flag;
64           u_int8_t        a_namelen;
65           u_int8_t        a_nameoff;
66           u_int8_t        reserved1;
67           u_int8_t        a_compression;
68           u_int8_t        reserved2;
69           u_int16_t       a_index;
70 };
71 #define NTFS_A_STD  0x10
72 #define NTFS_A_ATTRLIST       0x20
73 #define NTFS_A_NAME 0x30
74 #define NTFS_A_VOLUMENAME     0x60
75 #define NTFS_A_DATA 0x80
76 #define   NTFS_A_INDXROOT     0x90
77 #define   NTFS_A_INDX         0xA0
78 #define NTFS_A_INDXBITMAP 0xB0
79 
80 #define NTFS_MAXATTRNAME      255
81 struct attr {
82           struct attrhdr  a_hdr;
83           union {
84                     struct {
85                               u_int16_t       a_datalen;
86                               u_int16_t       reserved1;
87                               u_int16_t       a_dataoff;
88                               u_int16_t       a_indexed;
89                     }               a_S_r;
90                     struct {
91                               cn_t            a_vcnstart;
92                               cn_t            a_vcnend;
93                               u_int16_t       a_dataoff;
94                               u_int16_t       a_compressalg;
95                               u_int32_t       reserved1;
96                               u_int64_t       a_allocated;
97                               u_int64_t       a_datalen;
98                               u_int64_t       a_initialized;
99                     }               a_S_nr;
100           }               a_S;
101 };
102 #define a_r         a_S.a_S_r
103 #define a_nr        a_S.a_S_nr
104 
105 typedef struct {
106           u_int64_t       t_create;
107           u_int64_t       t_write;
108           u_int64_t       t_mftwrite;
109           u_int64_t       t_access;
110 }               ntfs_times_t;
111 
112 #define NTFS_FFLAG_RDONLY     0x01LL
113 #define NTFS_FFLAG_HIDDEN     0x02LL
114 #define NTFS_FFLAG_SYSTEM     0x04LL
115 #define NTFS_FFLAG_ARCHIVE    0x20LL
116 #define NTFS_FFLAG_COMPRESSED 0x0800LL
117 #define NTFS_FFLAG_DIR                  0x10000000LL
118 
119 struct attr_name {
120           u_int32_t       n_pnumber;    /* Parent ntnode */
121           u_int32_t       reserved;
122           ntfs_times_t    n_times;
123           u_int64_t       n_size;
124           u_int64_t       n_attrsz;
125           u_int64_t       n_flag;
126           u_int8_t        n_namelen;
127           u_int8_t        n_nametype;
128           u_int16_t       n_name[1];
129 };
130 
131 #define NTFS_IRFLAG_INDXALLOC 0x00000001
132 struct attr_indexroot {
133           u_int32_t       ir_unkn1;     /* always 0x30 */
134           u_int32_t       ir_unkn2;     /* always 0x1 */
135           u_int32_t       ir_size;/* ??? */
136           u_int32_t       ir_unkn3;     /* number of cluster */
137           u_int32_t       ir_unkn4;     /* always 0x10 */
138           u_int32_t       ir_datalen;   /* sizeof simething */
139           u_int32_t       ir_allocated; /* same as above */
140           u_int16_t       ir_flag;/* ?? always 1 */
141           u_int16_t       ir_unkn7;
142 };
143 
144 struct attr_attrlist {
145           u_int32_t       al_type;      /* Attribute type */
146           u_int16_t       reclen;                 /* length of this entry */
147           u_int8_t        al_namelen;   /* Attribute name len */
148           u_int8_t        al_nameoff;   /* Name offset from entry start */
149           u_int64_t       al_vcnstart;  /* VCN number */
150           u_int32_t       al_inumber;   /* Parent ntnode */
151           u_int32_t       reserved;
152           u_int16_t       al_index;     /* Attribute index in MFT record */
153           u_int16_t       al_name[1];   /* Name */
154 };
155 
156 #define   NTFS_INDXMAGIC      (u_int32_t)(0x58444E49)
157 struct attr_indexalloc {
158           struct fixuphdr ia_fixup;
159           u_int64_t       unknown1;
160           cn_t            ia_bufcn;
161           u_int16_t       ia_hdrsize;
162           u_int16_t       unknown2;
163           u_int32_t       ia_inuse;
164           u_int32_t       ia_allocated;
165 };
166 
167 #define   NTFS_IEFLAG_SUBNODE 0x00000001
168 #define   NTFS_IEFLAG_LAST    0x00000002
169 
170 struct attr_indexentry {
171           u_int32_t       ie_number;
172           u_int32_t       unknown1;
173           u_int16_t       reclen;
174           u_int16_t       ie_size;
175           u_int32_t       ie_flag;/* 1 - has subnodes, 2 - last */
176           u_int32_t       ie_fpnumber;
177           u_int32_t       unknown2;
178           ntfs_times_t    ie_ftimes;
179           u_int64_t       ie_fallocated;
180           u_int64_t       ie_fsize;
181           u_int64_t       ie_fflag;
182           u_int8_t        ie_fnamelen;
183           u_int8_t        ie_fnametype;
184           wchar           ie_fname[NTFS_MAXFILENAME];
185           /* cn_t             ie_bufcn;  buffer with subnodes */
186 };
187 
188 #define   NTFS_FILEMAGIC      (u_int32_t)(0x454C4946)
189 #define   NTFS_FRFLAG_DIR     0x0002
190 struct filerec {
191           struct fixuphdr fr_fixup;
192           u_int8_t        reserved[8];
193           u_int16_t       fr_seqnum;    /* Sequence number */
194           u_int16_t       fr_nlink;
195           u_int16_t       fr_attroff;   /* offset to attributes */
196           u_int16_t       fr_flags;     /* 1-nonresident attr, 2-directory */
197           u_int32_t       fr_size;/* hdr + attributes */
198           u_int32_t       fr_allocated; /* allocated length of record */
199           u_int64_t       fr_mainrec;   /* main record */
200           u_int16_t       fr_attrnum;   /* maximum attr number + 1 ??? */
201 };
202 
203 #define   NTFS_ATTRNAME_MAXLEN          0x40
204 #define   NTFS_ADFLAG_NONRES  0x0080    /* Attrib can be non resident */
205 #define   NTFS_ADFLAG_INDEX   0x0002    /* Attrib can be indexed */
206 struct attrdef {
207           wchar               ad_name[NTFS_ATTRNAME_MAXLEN];
208           u_int32_t ad_type;
209           u_int32_t reserved1[2];
210           u_int32_t ad_flag;
211           u_int64_t ad_minlen;
212           u_int64_t ad_maxlen;          /* -1 for nonlimited */
213 };
214 
215 struct ntvattrdef {
216           char                ad_name[0x40];
217           int                 ad_namelen;
218           u_int32_t ad_type;
219 };
220 
221 #define   NTFS_BBID "NTFS    "
222 #define   NTFS_BBIDLEN        8
223 struct bootfile {
224           u_int8_t        reserved1[3]; /* asm jmp near ... */
225           u_int8_t        bf_sysid[8];  /* 'NTFS    ' */
226           u_int16_t       bf_bps;                 /* bytes per sector */
227           u_int8_t        bf_spc;                 /* sectors per cluster */
228           u_int8_t        reserved2[7]; /* unused (zeroed) */
229           u_int8_t        bf_media;     /* media desc. (0xF8) */
230           u_int8_t        reserved3[2];
231           u_int16_t       bf_spt;                 /* sectors per track */
232           u_int16_t       bf_heads;     /* number of heads */
233           u_int8_t        reserver4[12];
234           u_int64_t       bf_spv;                 /* sectors per volume */
235           cn_t            bf_mftcn;     /* $MFT cluster number */
236           cn_t            bf_mftmirrcn; /* $MFTMirr cn */
237           u_int8_t        bf_mftrecsz;  /* MFT record size (clust) */
238                                                   /* 0xF6 inducates 1/4 */
239           u_int32_t       bf_ibsz;      /* index buffer size */
240           u_int32_t       bf_volsn;     /* volume ser. num. */
241 };
242 
243 #define   NTFS_SYSNODESNUM    0x0B
244 struct ntfsmount {
245           struct mount   *ntm_mountp;   /* filesystem vfs structure */
246           struct bootfile ntm_bootfile;
247           cdev_t           ntm_dev;     /* device mounted */
248           struct vnode   *ntm_devvp;    /* block device mounted vnode */
249           struct vnode   *ntm_sysvn[NTFS_SYSNODESNUM];
250           u_int32_t       ntm_bpmftrec;
251           uid_t           ntm_uid;
252           gid_t           ntm_gid;
253           mode_t          ntm_mode;
254           u_long          ntm_flag;
255           cn_t                ntm_cfree;
256           struct ntvattrdef *ntm_ad;
257           int                 ntm_adnum;
258           struct netexport ntm_export;  /* export information */
259           wchar *             ntm_82u;  /* 8bit to Unicode */
260           char **             ntm_u28;  /* Unicode to 8 bit */
261           void *          ntm_ic_l2u;     /* Local to Unicode (iconv) */
262           void *          ntm_ic_u2l;     /* Unicode to Local (iconv) */
263 };
264 
265 #define ntm_mftcn   ntm_bootfile.bf_mftcn
266 #define ntm_mftmirrcn         ntm_bootfile.bf_mftmirrcn
267 #define   ntm_mftrecsz        ntm_bootfile.bf_mftrecsz
268 #define   ntm_spc             ntm_bootfile.bf_spc
269 #define   ntm_bps             ntm_bootfile.bf_bps
270 
271 #pragma pack()
272 
273 #define   NTFS_NEXTREC(s, type) ((type)(((caddr_t) s) + (s)->reclen))
274 
275 /* Convert mount ptr to ntfsmount ptr. */
276 #define VFSTONTFS(mp)         ((struct ntfsmount *)((mp)->mnt_data))
277 #define VTONT(v)    FTONT(VTOF(v))
278 #define   VTOF(v)             ((struct fnode *)((v)->v_data))
279 #define   FTOV(f)             ((f)->f_vp)
280 #define   FTONT(f)  ((f)->f_ip)
281 
282 /*
283  * Misc block conversion macros.  The 'doff' macros convert to linear disk
284  * byte offsets suitable for bread, getblk, etc.
285  */
286 #define ntfs_cntobn(cn)       (daddr_t)((cn) * (ntmp->ntm_spc))
287 #define ntfs_cntodoff(cn) ((off_t)(cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
288 #define ntfs_cntob(cn)        ((off_t)(cn) * (ntmp)->ntm_spc * (ntmp)->ntm_bps)
289 #define ntfs_btocn(off)       (cn_t)((off) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
290 #define ntfs_btocl(off)       (cn_t)((off + ntfs_cntob(1) - 1) / ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
291 #define ntfs_btocnoff(off)    (off_t)((off) % ((ntmp)->ntm_spc * (ntmp)->ntm_bps))
292 #define ntfs_bntob(bn)        (daddr_t)((bn) * (ntmp)->ntm_bps)
293 #define ntfs_bntodoff(bn)     ((off_t)(bn) * (ntmp)->ntm_bps)
294 
295 #define   ntfs_bpbl (daddr_t)((ntmp)->ntm_bps)
296 
297 #ifdef MALLOC_DECLARE
298 MALLOC_DECLARE(M_NTFSMNT);
299 MALLOC_DECLARE(M_NTFSNTNODE);
300 MALLOC_DECLARE(M_NTFSFNODE);
301 MALLOC_DECLARE(M_NTFSDIR);
302 MALLOC_DECLARE(M_NTFSNTHASH);
303 #endif
304 
305 #define VOP__UNLOCK(a, b)     vn_unlock((a))
306 #define VGET(a, b)            vget((a), (b))
307 #define VN_LOCK(a, b)                   vn_lock((a), (b))
308 #define VOP_LOCK(a, b)                  vn_lock((a), (b) | LK_FAILRECLAIM)
309 #define   LOCKMGR(a, b)                 lockmgr((a), (b))
310 
311 #ifdef _KERNEL
312 #if defined(NTFS_DEBUG)
313 #define dprintf(a) kprintf a
314 #if NTFS_DEBUG > 1
315 #define ddprintf(a) kprintf a
316 #else
317 #define ddprintf(a)
318 #endif
319 #else
320 #define dprintf(a)  do { } while (0)
321 #define ddprintf(a) do { } while (0)
322 #endif
323 #endif
324 
325