source: trunk/packages/xen-common/xen-common/tools/libfsimage/iso9660/iso9660.h @ 34

Last change on this file since 34 was 34, checked in by hartmans, 17 years ago

Add xen and xen-common
File size: 5.5 KB
Line 
1/*
2 *  ISO 9660 filesystem backend for GRUB (GRand Unified Bootloader)
3 *  including Rock Ridge Extensions support
4 *
5 *  Copyright (C) 1998, 1999  Kousuke Takai  <tak@kmc.kyoto-u.ac.jp>
6 *
7 *  This program is free software; you can redistribute it and/or modify
8 *  it under the terms of the GNU General Public License as published by
9 *  the Free Software Foundation; either version 2 of the License, or
10 *  (at your option) any later version.
11 *
12 *  This program is distributed in the hope that it will be useful,
13 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 *  GNU General Public License for more details.
16 *
17 *  You should have received a copy of the GNU General Public License
18 *  along with this program; if not, write to the Free Software
19 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21/*
22 *  References:
23 *      linux/fs/isofs/rock.[ch]
24 *      mkisofs-1.11.1/diag/isoinfo.c
25 *      mkisofs-1.11.1/iso9660.h
26 *              (all are written by Eric Youngdale)
27 */
28
29#ifndef _ISO9660_H_
30#define _ISO9660_H_
31
32#define ISO_SECTOR_BITS              (11)
33#define ISO_SECTOR_SIZE              (1<<ISO_SECTOR_BITS)
34
35#define ISO_REGULAR     1       /* regular file */
36#define ISO_DIRECTORY   2       /* directory    */
37#define ISO_OTHER       0       /* other file (with Rock Ridge) */
38
39#define RR_FLAG_PX      0x01    /* have POSIX file attributes */
40#define RR_FLAG_PN      0x02    /* POSIX devices */
41#define RR_FLAG_SL      0x04    /* Symbolic link */
42#define RR_FLAG_NM      0x08    /* have alternate file name   */
43#define RR_FLAG_CL      0x10    /* Child link */
44#define RR_FLAG_PL      0x20    /* Parent link */
45#define RR_FLAG_RE      0x40    /* Relocation directory */
46#define RR_FLAG_TF      0x80    /* Timestamps */
47
48/* POSIX file attributes for Rock Ridge extensions */
49#define POSIX_S_IFMT    0xF000
50#define POSIX_S_IFREG   0x8000
51#define POSIX_S_IFDIR   0x4000
52
53/* volume descriptor types */
54#define ISO_VD_PRIMARY 1
55#define ISO_VD_END 255
56
57#define ISO_STANDARD_ID "CD001"
58
59#ifndef ASM_FILE
60
61#ifndef __sun
62#ifndef __BIT_TYPES_DEFINED__
63typedef          int     int8_t __attribute__((mode(QI)));
64typedef unsigned int   u_int8_t __attribute__((mode(QI)));
65typedef          int    int16_t __attribute__((mode(HI)));
66typedef unsigned int  u_int16_t __attribute__((mode(HI)));
67typedef          int    int32_t __attribute__((mode(SI)));
68typedef unsigned int  u_int32_t __attribute__((mode(SI)));
69#endif
70#else
71#ifndef GRUB_UTIL
72typedef          char  int8_t;
73typedef          short int16_t;
74typedef          int   int32_t;
75#endif /* ! GRUB_UTIL */
76typedef unsigned char  u_int8_t;
77typedef unsigned short u_int16_t;
78typedef unsigned int   u_int32_t;
79#endif /* __sun */
80
81typedef union {
82  u_int8_t l,b;
83}       iso_8bit_t;
84
85struct __iso_16bit {
86  u_int16_t l, b;
87} __attribute__ ((packed));
88typedef struct __iso_16bit iso_16bit_t;
89
90struct __iso_32bit {
91  u_int32_t l, b;
92} __attribute__ ((packed));
93typedef struct __iso_32bit iso_32bit_t;
94
95typedef u_int8_t                iso_date_t[7];
96
97struct iso_directory_record {
98  iso_8bit_t    length;
99  iso_8bit_t    ext_attr_length;
100  iso_32bit_t   extent;
101  iso_32bit_t   size;
102  iso_date_t    date;
103  iso_8bit_t    flags;
104  iso_8bit_t    file_unit_size;
105  iso_8bit_t    interleave;
106  iso_16bit_t   volume_seq_number;
107  iso_8bit_t    name_len;
108  u_int8_t      name[1];
109} __attribute__ ((packed));
110
111struct iso_primary_descriptor {
112  iso_8bit_t    type;
113  u_int8_t      id[5];
114  iso_8bit_t    version;
115  u_int8_t      _unused1[1];
116  u_int8_t      system_id[32];
117  u_int8_t      volume_id[32];
118  u_int8_t      _unused2[8];
119  iso_32bit_t   volume_space_size;
120  u_int8_t      _unused3[32];
121  iso_16bit_t   volume_set_size;
122  iso_16bit_t   volume_seq_number;
123  iso_16bit_t   logical_block_size;
124  iso_32bit_t   path_table_size;
125  u_int8_t      type_l_path_table[4];
126  u_int8_t      opt_type_l_path_table[4];
127  u_int8_t      type_m_path_table[4];
128  u_int8_t      opt_type_m_path_table[4];
129  struct iso_directory_record root_directory_record;
130  u_int8_t      volume_set_id[128];
131  u_int8_t      publisher_id[128];
132  u_int8_t      preparer_id[128];
133  u_int8_t      application_id[128];
134  u_int8_t      copyright_file_id[37];
135  u_int8_t      abstract_file_id[37];
136  u_int8_t      bibliographic_file_id[37];
137  u_int8_t      creation_date[17];
138  u_int8_t      modification_date[17];
139  u_int8_t      expiration_date[17];
140  u_int8_t      effective_date[17];
141  iso_8bit_t    file_structure_version;
142  u_int8_t      _unused4[1];
143  u_int8_t      application_data[512];
144  u_int8_t      _unused5[653];
145} __attribute__ ((packed));
146
147struct rock_ridge {
148  u_int16_t     signature;
149  u_int8_t      len;
150  u_int8_t      version;
151  union {
152    struct SP {
153      u_int16_t magic;
154      u_int8_t  skip;
155    } sp;
156    struct CE {
157      iso_32bit_t       extent;
158      iso_32bit_t       offset;
159      iso_32bit_t       size;
160    } ce;
161    struct ER {
162      u_int8_t  len_id;
163      u_int8_t  len_des;
164      u_int8_t  len_src;
165      u_int8_t  ext_ver;
166      u_int8_t  data[0];
167    } er;
168    struct RR {
169      iso_8bit_t        flags;
170    } rr;
171    struct PX {
172      iso_32bit_t       mode;
173      iso_32bit_t       nlink;
174      iso_32bit_t       uid;
175      iso_32bit_t       gid;
176    } px;
177    struct PN {
178      iso_32bit_t       dev_high;
179      iso_32bit_t       dev_low;
180    } pn;
181    struct SL {
182      iso_8bit_t flags;
183      struct SL_component {
184        iso_8bit_t      flags;
185        u_int8_t                len;
186        u_int8_t                text[0];
187      } link;
188    } sl;
189    struct NM {
190      iso_8bit_t        flags;
191      u_int8_t  name[0];
192    } nm;
193    struct CL {
194      iso_32bit_t       location;
195    } cl;
196    struct PL {
197      iso_32bit_t       location;
198    } pl;
199    struct TF {
200      iso_8bit_t        flags;
201      iso_date_t        times[0];
202    } tf;
203  } u;
204} __attribute__ ((packed));
205
206typedef union RR_ptr {
207  struct rock_ridge *rr;
208  char            *ptr;
209  int              i;
210} RR_ptr_t;
211
212#define RRMAGIC(c1, c2) ((c1)|(c2) << 8)
213
214#define CHECK2(ptr, c1, c2) \
215        (*(unsigned short *)(ptr) == (((c1) | (c2) << 8) & 0xFFFF))
216
217#endif /* !ASM_FILE */
218
219#endif /* _ISO9660_H_ */
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