xref: /dragonfly/sys/vfs/ntfs/ntfs.h (revision 16dd80e4)
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