xref: /dragonfly/sys/vfs/ntfs/ntfs.h (revision 31524921)
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 
326