iso9660.h

Revision 640, 5.5 kB (checked in by jhuntwork, 3 years ago)
Swapped out current init for a C-based init (helps support multiple archs) and added a copy of the GPL, version 2

Line
1	/*
2	* Header file iso9660.h - assorted structure definitions and typecasts.
3	* specific to iso9660 filesystem.
4
5	Written by Eric Youngdale (1993).
6
7	Copyright 1993 Yggdrasil Computing, Incorporated
8
9	This program is free software; you can redistribute it and/or modify
10	it under the terms of the GNU General Public License as published by
11	the Free Software Foundation; either version 2, or (at your option)
12	any later version.
13
14	This program is distributed in the hope that it will be useful,
15	but WITHOUT ANY WARRANTY; without even the implied warranty of
16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17	GNU General Public License for more details.
18
19	You should have received a copy of the GNU General Public License
20	along with this program; if not, write to the Free Software
21	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
22
23	/*
24	* $Id: iso9660.h,v 1.6 1999/10/28 00:55:50 solyga Exp $
25	*/
26
27	#ifndef _ISOFS_FS_H
28	#define _ISOFS_FS_H
29
30	/*
31	* The isofs filesystem constants/structures
32	*/
33
34	/* This part borrowed from the bsd386 isofs */
35	#define ISODCL(from, to) (to - from + 1)
36
37	struct iso_volume_descriptor {
38	char type[ISODCL(1,1)]; /* 711 */
39	char id[ISODCL(2,6)];
40	char version[ISODCL(7,7)];
41	char data[ISODCL(8,2048)];
42	};
43
44	/* volume descriptor types */
45	#define ISO_VD_PRIMARY 1
46	#define ISO_VD_SUPPLEMENTARY 2 /* Used by Joliet */
47	#define ISO_VD_END 255
48
49	#define ISO_STANDARD_ID "CD001"
50
51	#define EL_TORITO_ID "EL TORITO SPECIFICATION"
52	#define EL_TORITO_ARCH_x86 0
53	#define EL_TORITO_ARCH_PPC 1
54	#define EL_TORITO_ARCH_MAC 2
55	#define EL_TORITO_BOOTABLE 0x88
56	#define EL_TORITO_MEDIA_NOEMUL 0
57	#define EL_TORITO_MEDIA_12FLOP 1
58	#define EL_TORITO_MEDIA_144FLOP 2
59	#define EL_TORITO_MEDIA_288FLOP 3
60	#define EL_TORITO_MEDIA_HD 4
61
62	struct iso_primary_descriptor {
63	char type [ISODCL ( 1, 1)]; /* 711 */
64	char id [ISODCL ( 2, 6)];
65	char version [ISODCL ( 7, 7)]; /* 711 */
66	char unused1 [ISODCL ( 8, 8)];
67	char system_id [ISODCL ( 9, 40)]; /* achars */
68	char volume_id [ISODCL ( 41, 72)]; /* dchars */
69	char unused2 [ISODCL ( 73, 80)];
70	char volume_space_size [ISODCL ( 81, 88)]; /* 733 */
71	char escape_sequences [ISODCL ( 89, 120)];
72	char volume_set_size [ISODCL (121, 124)]; /* 723 */
73	char volume_sequence_number [ISODCL (125, 128)]; /* 723 */
74	char logical_block_size [ISODCL (129, 132)]; /* 723 */
75	char path_table_size [ISODCL (133, 140)]; /* 733 */
76	char type_l_path_table [ISODCL (141, 144)]; /* 731 */
77	char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */
78	char type_m_path_table [ISODCL (149, 152)]; /* 732 */
79	char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */
80	char root_directory_record [ISODCL (157, 190)]; /* 9.1 */
81	char volume_set_id [ISODCL (191, 318)]; /* dchars */
82	char publisher_id [ISODCL (319, 446)]; /* achars */
83	char preparer_id [ISODCL (447, 574)]; /* achars */
84	char application_id [ISODCL (575, 702)]; /* achars */
85	char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */
86	char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */
87	char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */
88	char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */
89	char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */
90	char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */
91	char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */
92	char file_structure_version [ISODCL (882, 882)]; /* 711 */
93	char unused4 [ISODCL (883, 883)];
94	char application_data [ISODCL (884, 1395)];
95	char unused5 [ISODCL (1396, 2048)];
96	};
97
98	/* El Torito Boot Record Volume Descriptor */
99	struct eltorito_boot_descriptor {
100	char id [ISODCL ( 1, 1)]; /* 711 */
101	char id2 [ISODCL ( 2, 6)];
102	char version [ISODCL ( 7, 7)]; /* 711 */
103	char system_id [ISODCL ( 8, 39)];
104	char unused2 [ISODCL ( 40, 71)];
105	char bootcat_ptr [ISODCL ( 72 , 75)];
106	char unused5 [ISODCL ( 76, 2048)];
107	};
108
109	/* Validation entry for El Torito */
110	struct eltorito_validation_entry {
111	char headerid [ISODCL ( 1, 1)]; /* 711 */
112	char arch [ISODCL ( 2, 2)];
113	char pad1 [ISODCL ( 3, 4)]; /* 711 */
114	char id [ISODCL ( 5, 28)];
115	char cksum [ISODCL ( 29, 30)];
116	char key1 [ISODCL ( 31, 31)];
117	char key2 [ISODCL ( 32, 32)];
118	};
119
120	/* El Torito initial/default entry in boot catalog */
121	struct eltorito_defaultboot_entry {
122	char boot_id [ISODCL ( 1, 1)]; /* 711 */
123	char boot_media [ISODCL ( 2, 2)];
124	char loadseg [ISODCL ( 3, 4)]; /* 711 */
125	char arch [ISODCL ( 5, 5)];
126	char pad1 [ISODCL ( 6, 6)];
127	char nsect [ISODCL ( 7, 8)];
128	char bootoff [ISODCL ( 9, 12)];
129	char pad2 [ISODCL ( 13, 32)];
130	};
131
132
133	/* We use this to help us look up the parent inode numbers. */
134
135	struct iso_path_table{
136	unsigned char name_len[2]; /* 721 */
137	char extent[4]; /* 731 */
138	char parent[2]; /* 721 */
139	char name[1];
140	};
141
142	struct iso_directory_record {
143	unsigned char length [ISODCL (1, 1)]; /* 711 */
144	char ext_attr_length [ISODCL (2, 2)]; /* 711 */
145	char extent [ISODCL (3, 10)]; /* 733 */
146	char size [ISODCL (11, 18)]; /* 733 */
147	char date [ISODCL (19, 25)]; /* 7 by 711 */
148	char flags [ISODCL (26, 26)];
149	char file_unit_size [ISODCL (27, 27)]; /* 711 */
150	char interleave [ISODCL (28, 28)]; /* 711 */
151	char volume_sequence_number [ISODCL (29, 32)]; /* 723 */
152	unsigned char name_len [ISODCL (33, 33)]; /* 711 */
153	char name [34]; /* Not really, but we need something here */
154	};
155	#endif
156
157
158

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root/tags/6.2-3/packages/initramfs/iso9660.h

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