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Move isonum_ declaration to iso.h
[dragonfly.git] / sys / vfs / isofs / cd9660 / iso.h
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1/*-
2 * Copyright (c) 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley
6 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
7 * Support code is derived from software contributed to Berkeley
8 * by Atsushi Murai (amurai@spec.co.jp).
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)iso.h 8.6 (Berkeley) 5/10/95
39 * $FreeBSD: src/sys/isofs/cd9660/iso.h,v 1.19.2.1 2000/07/08 14:35:56 bp Exp $
40 * $DragonFly: src/sys/vfs/isofs/cd9660/iso.h,v 1.8 2006/09/10 01:26:41 dillon Exp $
41 */
42
43#define ISODCL(from, to) (to - from + 1)
44
45struct iso_volume_descriptor {
46 char type[ISODCL(1,1)]; /* 711 */
47 char id[ISODCL(2,6)];
48 char version[ISODCL(7,7)];
49 char unused[ISODCL(8,8)];
50 char type_sierra[ISODCL(9,9)]; /* 711 */
51 char id_sierra[ISODCL(10,14)];
52 char version_sierra[ISODCL(15,15)];
53 char data[ISODCL(16,2048)];
54};
55
56/* volume descriptor types */
57#define ISO_VD_PRIMARY 1
58#define ISO_VD_SUPPLEMENTARY 2
59#define ISO_VD_END 255
60
61#define ISO_STANDARD_ID "CD001"
62#define ISO_ECMA_ID "CDW01"
63
64#define ISO_SIERRA_ID "CDROM"
65
66struct iso_primary_descriptor {
67 char type [ISODCL ( 1, 1)]; /* 711 */
68 char id [ISODCL ( 2, 6)];
69 char version [ISODCL ( 7, 7)]; /* 711 */
70 char unused1 [ISODCL ( 8, 8)];
71 char system_id [ISODCL ( 9, 40)]; /* achars */
72 char volume_id [ISODCL ( 41, 72)]; /* dchars */
73 char unused2 [ISODCL ( 73, 80)];
74 char volume_space_size [ISODCL ( 81, 88)]; /* 733 */
75 char unused3 [ISODCL ( 89, 120)];
76 char volume_set_size [ISODCL (121, 124)]; /* 723 */
77 char volume_sequence_number [ISODCL (125, 128)]; /* 723 */
78 char logical_block_size [ISODCL (129, 132)]; /* 723 */
79 char path_table_size [ISODCL (133, 140)]; /* 733 */
80 char type_l_path_table [ISODCL (141, 144)]; /* 731 */
81 char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */
82 char type_m_path_table [ISODCL (149, 152)]; /* 732 */
83 char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */
84 char root_directory_record [ISODCL (157, 190)]; /* 9.1 */
85 char volume_set_id [ISODCL (191, 318)]; /* dchars */
86 char publisher_id [ISODCL (319, 446)]; /* achars */
87 char preparer_id [ISODCL (447, 574)]; /* achars */
88 char application_id [ISODCL (575, 702)]; /* achars */
89 char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */
90 char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */
91 char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */
92 char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */
93 char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */
94 char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */
95 char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */
96 char file_structure_version [ISODCL (882, 882)]; /* 711 */
97 char unused4 [ISODCL (883, 883)];
98 char application_data [ISODCL (884, 1395)];
99 char unused5 [ISODCL (1396, 2048)];
100};
101#define ISO_DEFAULT_BLOCK_SIZE 2048
102
103/*
104 * Used by Microsoft Joliet extension to ISO9660. Almost the same
105 * as PVD, but byte position 8 is a flag, and 89-120 is for escape.
106 */
107
108struct iso_supplementary_descriptor {
109 char type [ISODCL ( 1, 1)]; /* 711 */
110 char id [ISODCL ( 2, 6)];
111 char version [ISODCL ( 7, 7)]; /* 711 */
112 char flags [ISODCL ( 8, 8)]; /* 711? */
113 char system_id [ISODCL ( 9, 40)]; /* achars */
114 char volume_id [ISODCL ( 41, 72)]; /* dchars */
115 char unused2 [ISODCL ( 73, 80)];
116 char volume_space_size [ISODCL ( 81, 88)]; /* 733 */
117 char escape [ISODCL ( 89, 120)];
118 char volume_set_size [ISODCL (121, 124)]; /* 723 */
119 char volume_sequence_number [ISODCL (125, 128)]; /* 723 */
120 char logical_block_size [ISODCL (129, 132)]; /* 723 */
121 char path_table_size [ISODCL (133, 140)]; /* 733 */
122 char type_l_path_table [ISODCL (141, 144)]; /* 731 */
123 char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */
124 char type_m_path_table [ISODCL (149, 152)]; /* 732 */
125 char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */
126 char root_directory_record [ISODCL (157, 190)]; /* 9.1 */
127 char volume_set_id [ISODCL (191, 318)]; /* dchars */
128 char publisher_id [ISODCL (319, 446)]; /* achars */
129 char preparer_id [ISODCL (447, 574)]; /* achars */
130 char application_id [ISODCL (575, 702)]; /* achars */
131 char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */
132 char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */
133 char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */
134 char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */
135 char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */
136 char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */
137 char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */
138 char file_structure_version [ISODCL (882, 882)]; /* 711 */
139 char unused4 [ISODCL (883, 883)];
140 char application_data [ISODCL (884, 1395)];
141 char unused5 [ISODCL (1396, 2048)];
142};
143
144struct iso_sierra_primary_descriptor {
145 char unknown1 [ISODCL ( 1, 8)]; /* 733 */
146 char type [ISODCL ( 9, 9)]; /* 711 */
147 char id [ISODCL ( 10, 14)];
148 char version [ISODCL ( 15, 15)]; /* 711 */
149 char unused1 [ISODCL ( 16, 16)];
150 char system_id [ISODCL ( 17, 48)]; /* achars */
151 char volume_id [ISODCL ( 49, 80)]; /* dchars */
152 char unused2 [ISODCL ( 81, 88)];
153 char volume_space_size [ISODCL ( 89, 96)]; /* 733 */
154 char unused3 [ISODCL ( 97, 128)];
155 char volume_set_size [ISODCL (129, 132)]; /* 723 */
156 char volume_sequence_number [ISODCL (133, 136)]; /* 723 */
157 char logical_block_size [ISODCL (137, 140)]; /* 723 */
158 char path_table_size [ISODCL (141, 148)]; /* 733 */
159 char type_l_path_table [ISODCL (149, 152)]; /* 731 */
160 char opt_type_l_path_table [ISODCL (153, 156)]; /* 731 */
161 char unknown2 [ISODCL (157, 160)]; /* 731 */
162 char unknown3 [ISODCL (161, 164)]; /* 731 */
163 char type_m_path_table [ISODCL (165, 168)]; /* 732 */
164 char opt_type_m_path_table [ISODCL (169, 172)]; /* 732 */
165 char unknown4 [ISODCL (173, 176)]; /* 732 */
166 char unknown5 [ISODCL (177, 180)]; /* 732 */
167 char root_directory_record [ISODCL (181, 214)]; /* 9.1 */
168 char volume_set_id [ISODCL (215, 342)]; /* dchars */
169 char publisher_id [ISODCL (343, 470)]; /* achars */
170 char preparer_id [ISODCL (471, 598)]; /* achars */
171 char application_id [ISODCL (599, 726)]; /* achars */
172 char copyright_id [ISODCL (727, 790)]; /* achars */
173 char creation_date [ISODCL (791, 806)]; /* ? */
174 char modification_date [ISODCL (807, 822)]; /* ? */
175 char expiration_date [ISODCL (823, 838)]; /* ? */
176 char effective_date [ISODCL (839, 854)]; /* ? */
177 char file_structure_version [ISODCL (855, 855)]; /* 711 */
178 char unused4 [ISODCL (856, 2048)];
179};
180
181struct iso_directory_record {
182 char length [ISODCL (1, 1)]; /* 711 */
183 char ext_attr_length [ISODCL (2, 2)]; /* 711 */
184 u_char extent [ISODCL (3, 10)]; /* 733 */
185 u_char size [ISODCL (11, 18)]; /* 733 */
186 char date [ISODCL (19, 25)]; /* 7 by 711 */
187 char flags [ISODCL (26, 26)];
188 char file_unit_size [ISODCL (27, 27)]; /* 711 */
189 char interleave [ISODCL (28, 28)]; /* 711 */
190 char volume_sequence_number [ISODCL (29, 32)]; /* 723 */
191 char name_len [ISODCL (33, 33)]; /* 711 */
192 char name [1]; /* XXX */
193};
194/* can't take sizeof(iso_directory_record), because of possible alignment
195 of the last entry (34 instead of 33) */
196#define ISO_DIRECTORY_RECORD_SIZE 33
197
198struct iso_extended_attributes {
199 u_char owner [ISODCL (1, 4)]; /* 723 */
200 u_char group [ISODCL (5, 8)]; /* 723 */
201 u_char perm [ISODCL (9, 10)]; /* 9.5.3 */
202 char ctime [ISODCL (11, 27)]; /* 8.4.26.1 */
203 char mtime [ISODCL (28, 44)]; /* 8.4.26.1 */
204 char xtime [ISODCL (45, 61)]; /* 8.4.26.1 */
205 char ftime [ISODCL (62, 78)]; /* 8.4.26.1 */
206 char recfmt [ISODCL (79, 79)]; /* 711 */
207 char recattr [ISODCL (80, 80)]; /* 711 */
208 u_char reclen [ISODCL (81, 84)]; /* 723 */
209 char system_id [ISODCL (85, 116)]; /* achars */
210 char system_use [ISODCL (117, 180)];
211 char version [ISODCL (181, 181)]; /* 711 */
212 char len_esc [ISODCL (182, 182)]; /* 711 */
213 char reserved [ISODCL (183, 246)];
214 u_char len_au [ISODCL (247, 250)]; /* 723 */
215};
216
217#ifdef _KERNEL
218
219/* CD-ROM Format type */
220enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP,
221 ISO_FTYPE_JOLIET, ISO_FTYPE_ECMA, ISO_FTYPE_HIGH_SIERRA };
222
223#ifndef ISOFSMNT_ROOT
224#define ISOFSMNT_ROOT 0
225#endif
226
227struct iso_mnt {
228 int im_flags;
229
230 struct mount *im_mountp;
231 cdev_t im_dev;
232 struct vnode *im_devvp;
233
234 int logical_block_size;
235 int im_bshift;
236 int im_bmask;
237
238 int volume_space_size;
239 struct netexport im_export;
240
241 char root[ISODCL (157, 190)];
242 int root_extent;
243 int root_size;
244 enum ISO_FTYPE iso_ftype;
245
246 int rr_skip;
247 int rr_skip0;
248
249 int joliet_level;
250
251 void *im_d2l;
252 void *im_l2d;
253};
254
255#define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data))
256
257#define blkoff(imp, loc) ((loc) & (imp)->im_bmask)
258#define lblktosize(imp, blk) ((blk) << (imp)->im_bshift)
259#define lblktooff(imp, blk) ((off_t)(blk) << (imp)->im_bshift)
260#define lblkno(imp, loc) ((loc) >> (imp)->im_bshift)
261#define blksize(imp, ip, lbn) ((imp)->logical_block_size)
262
263int cd9660_vget_internal (struct mount *, ino_t, struct vnode **, int,
264 struct iso_directory_record *);
265int cd9660_init (struct vfsconf *);
266int cd9660_uninit (struct vfsconf *);
267#define cd9660_sysctl ((int (*) (int *, u_int, void *, size_t *, void *, \
268 size_t, struct proc *))eopnotsupp)
269
270int isochar(u_char *, u_char *, int, u_short *, int *, int, void *);
271int isofncmp(u_char *, int, u_char *, int, int, int, void *, void *);
272void isofntrans(u_char *, int, u_char *, u_short *, int, int, int, int, void *);
273ino_t isodirino (struct iso_directory_record *, struct iso_mnt *);
274u_short sgetrune(const char *, size_t, char const **, int, void *);
275
276#endif /* _KERNEL */
277
278/*
279 * The isonum_xxx functions are inlined anyway, and could come handy even
280 * outside the kernel. Thus we don't hide them here.
281 */
282
283static __inline uint8_t
284isonum_711(unsigned char *p)
285{
286 return p[0];
287}
288static __inline uint8_t
289isonum_712(unsigned char *p)
290{
291 return p[0];
292}
293
294isonum_713(unsigned char *p)
295{
296 return p[0];
297}
298
299static __inline uint16_t
300isonum_721(unsigned char *p)
301{
302 return (p[0] | p[1] << 8);
303}
304
305static __inline uint16_t
306isonum_722(unsigned char *p)
307{
308 return (p[1] | p[0] << 8);
309}
310
311static __inline uint16_t
312isonum_723(unsigned char *p)
313{
314 return (p[0] | p[1] << 8);
315}
316
317#ifndef UNALIGNED_ACCESS
318
319static __inline uint32_t
320isonum_731(unsigned char *p)
321{
322 return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
323}
324static __inline uint32_t
325isonum_732(unsigned char *p)
326{
327 return (p[3] | p[2] << 8 | p[1] << 16 | p[0] << 24);
328}
329static __inline uint32_t
330isonum_733(unsigned char *p)
331{
332 return (p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24);
333}
334
335#else /* UNALIGNED_ACCESS */
336
337#if BYTE_ORDER == LITTLE_ENDIAN
338
339static __inline int
340isonum_723(u_char *p)
341{
342 return *(u_int16t *)p;
343}
344
345static __inline int
346isonum_733(u_char *p)
347{
348 return *(u_int32t *)p;
349}
350
351#endif
352
353#if BYTE_ORDER == BIG_ENDIAN
354
355static __inline int
356isonum_723(u_char *p)
357{
358 return *(u_int16t *)(p + 2);
359}
360
361static __inline int
362isonum_733(u_char *p)
363{
364 return *(u_int32t *)(p + 4);
365}
366
367#endif
368
369#endif /* UNALIGNED_ACCESS */
370
371/*
372 * Associated files have a leading '='.
373 */
374#define ASSOCCHAR '='
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