5 #include <linux/types.h>
7 * The isofs filesystem constants/structures
10 /* This part borrowed from the bsd386 isofs */
11 #define ISODCL(from, to) (to - from + 1)
13 struct iso_volume_descriptor
{
14 char type
[ISODCL(1,1)]; /* 711 */
16 char version
[ISODCL(7,7)];
17 char data
[ISODCL(8,2048)];
20 /* volume descriptor types */
21 #define ISO_VD_PRIMARY 1
22 #define ISO_VD_SUPPLEMENTARY 2
23 #define ISO_VD_END 255
25 #define ISO_STANDARD_ID "CD001"
27 struct iso_primary_descriptor
{
28 char type
[ISODCL ( 1, 1)]; /* 711 */
29 char id
[ISODCL ( 2, 6)];
30 char version
[ISODCL ( 7, 7)]; /* 711 */
31 char unused1
[ISODCL ( 8, 8)];
32 char system_id
[ISODCL ( 9, 40)]; /* achars */
33 char volume_id
[ISODCL ( 41, 72)]; /* dchars */
34 char unused2
[ISODCL ( 73, 80)];
35 char volume_space_size
[ISODCL ( 81, 88)]; /* 733 */
36 char unused3
[ISODCL ( 89, 120)];
37 char volume_set_size
[ISODCL (121, 124)]; /* 723 */
38 char volume_sequence_number
[ISODCL (125, 128)]; /* 723 */
39 char logical_block_size
[ISODCL (129, 132)]; /* 723 */
40 char path_table_size
[ISODCL (133, 140)]; /* 733 */
41 char type_l_path_table
[ISODCL (141, 144)]; /* 731 */
42 char opt_type_l_path_table
[ISODCL (145, 148)]; /* 731 */
43 char type_m_path_table
[ISODCL (149, 152)]; /* 732 */
44 char opt_type_m_path_table
[ISODCL (153, 156)]; /* 732 */
45 char root_directory_record
[ISODCL (157, 190)]; /* 9.1 */
46 char volume_set_id
[ISODCL (191, 318)]; /* dchars */
47 char publisher_id
[ISODCL (319, 446)]; /* achars */
48 char preparer_id
[ISODCL (447, 574)]; /* achars */
49 char application_id
[ISODCL (575, 702)]; /* achars */
50 char copyright_file_id
[ISODCL (703, 739)]; /* 7.5 dchars */
51 char abstract_file_id
[ISODCL (740, 776)]; /* 7.5 dchars */
52 char bibliographic_file_id
[ISODCL (777, 813)]; /* 7.5 dchars */
53 char creation_date
[ISODCL (814, 830)]; /* 8.4.26.1 */
54 char modification_date
[ISODCL (831, 847)]; /* 8.4.26.1 */
55 char expiration_date
[ISODCL (848, 864)]; /* 8.4.26.1 */
56 char effective_date
[ISODCL (865, 881)]; /* 8.4.26.1 */
57 char file_structure_version
[ISODCL (882, 882)]; /* 711 */
58 char unused4
[ISODCL (883, 883)];
59 char application_data
[ISODCL (884, 1395)];
60 char unused5
[ISODCL (1396, 2048)];
63 /* Almost the same as the primary descriptor but two fields are specified */
64 struct iso_supplementary_descriptor
{
65 char type
[ISODCL ( 1, 1)]; /* 711 */
66 char id
[ISODCL ( 2, 6)];
67 char version
[ISODCL ( 7, 7)]; /* 711 */
68 char flags
[ISODCL ( 8, 8)]; /* 853 */
69 char system_id
[ISODCL ( 9, 40)]; /* achars */
70 char volume_id
[ISODCL ( 41, 72)]; /* dchars */
71 char unused2
[ISODCL ( 73, 80)];
72 char volume_space_size
[ISODCL ( 81, 88)]; /* 733 */
73 char escape
[ISODCL ( 89, 120)]; /* 856 */
74 char volume_set_size
[ISODCL (121, 124)]; /* 723 */
75 char volume_sequence_number
[ISODCL (125, 128)]; /* 723 */
76 char logical_block_size
[ISODCL (129, 132)]; /* 723 */
77 char path_table_size
[ISODCL (133, 140)]; /* 733 */
78 char type_l_path_table
[ISODCL (141, 144)]; /* 731 */
79 char opt_type_l_path_table
[ISODCL (145, 148)]; /* 731 */
80 char type_m_path_table
[ISODCL (149, 152)]; /* 732 */
81 char opt_type_m_path_table
[ISODCL (153, 156)]; /* 732 */
82 char root_directory_record
[ISODCL (157, 190)]; /* 9.1 */
83 char volume_set_id
[ISODCL (191, 318)]; /* dchars */
84 char publisher_id
[ISODCL (319, 446)]; /* achars */
85 char preparer_id
[ISODCL (447, 574)]; /* achars */
86 char application_id
[ISODCL (575, 702)]; /* achars */
87 char copyright_file_id
[ISODCL (703, 739)]; /* 7.5 dchars */
88 char abstract_file_id
[ISODCL (740, 776)]; /* 7.5 dchars */
89 char bibliographic_file_id
[ISODCL (777, 813)]; /* 7.5 dchars */
90 char creation_date
[ISODCL (814, 830)]; /* 8.4.26.1 */
91 char modification_date
[ISODCL (831, 847)]; /* 8.4.26.1 */
92 char expiration_date
[ISODCL (848, 864)]; /* 8.4.26.1 */
93 char effective_date
[ISODCL (865, 881)]; /* 8.4.26.1 */
94 char file_structure_version
[ISODCL (882, 882)]; /* 711 */
95 char unused4
[ISODCL (883, 883)];
96 char application_data
[ISODCL (884, 1395)];
97 char unused5
[ISODCL (1396, 2048)];
101 #define HS_STANDARD_ID "CDROM"
103 struct hs_volume_descriptor
{
104 char foo
[ISODCL ( 1, 8)]; /* 733 */
105 char type
[ISODCL ( 9, 9)]; /* 711 */
106 char id
[ISODCL ( 10, 14)];
107 char version
[ISODCL ( 15, 15)]; /* 711 */
108 char data
[ISODCL(16,2048)];
112 struct hs_primary_descriptor
{
113 char foo
[ISODCL ( 1, 8)]; /* 733 */
114 char type
[ISODCL ( 9, 9)]; /* 711 */
115 char id
[ISODCL ( 10, 14)];
116 char version
[ISODCL ( 15, 15)]; /* 711 */
117 char unused1
[ISODCL ( 16, 16)]; /* 711 */
118 char system_id
[ISODCL ( 17, 48)]; /* achars */
119 char volume_id
[ISODCL ( 49, 80)]; /* dchars */
120 char unused2
[ISODCL ( 81, 88)]; /* 733 */
121 char volume_space_size
[ISODCL ( 89, 96)]; /* 733 */
122 char unused3
[ISODCL ( 97, 128)]; /* 733 */
123 char volume_set_size
[ISODCL (129, 132)]; /* 723 */
124 char volume_sequence_number
[ISODCL (133, 136)]; /* 723 */
125 char logical_block_size
[ISODCL (137, 140)]; /* 723 */
126 char path_table_size
[ISODCL (141, 148)]; /* 733 */
127 char type_l_path_table
[ISODCL (149, 152)]; /* 731 */
128 char unused4
[ISODCL (153, 180)]; /* 733 */
129 char root_directory_record
[ISODCL (181, 214)]; /* 9.1 */
132 /* We use this to help us look up the parent inode numbers. */
134 struct iso_path_table
{
135 unsigned char name_len
[2]; /* 721 */
136 char extent
[4]; /* 731 */
137 char parent
[2]; /* 721 */
141 /* high sierra is identical to iso, except that the date is only 6 bytes, and
142 there is an extra reserved byte after the flags */
144 struct iso_directory_record
{
145 char length
[ISODCL (1, 1)]; /* 711 */
146 char ext_attr_length
[ISODCL (2, 2)]; /* 711 */
147 char extent
[ISODCL (3, 10)]; /* 733 */
148 char size
[ISODCL (11, 18)]; /* 733 */
149 char date
[ISODCL (19, 25)]; /* 7 by 711 */
150 char flags
[ISODCL (26, 26)];
151 char file_unit_size
[ISODCL (27, 27)]; /* 711 */
152 char interleave
[ISODCL (28, 28)]; /* 711 */
153 char volume_sequence_number
[ISODCL (29, 32)]; /* 723 */
154 unsigned char name_len
[ISODCL (33, 33)]; /* 711 */
158 #define ISOFS_BLOCK_BITS 11
159 #define ISOFS_BLOCK_SIZE 2048
161 #define ISOFS_BUFFER_SIZE(INODE) ((INODE)->i_sb->s_blocksize)
162 #define ISOFS_BUFFER_BITS(INODE) ((INODE)->i_sb->s_blocksize_bits)
163 #define ISOFS_ZONE_BITS(INODE) ((INODE)->i_sb->u.isofs_sb.s_log_zone_size)
165 #define ISOFS_SUPER_MAGIC 0x9660
168 extern int isonum_711(char *);
169 extern int isonum_712(char *);
170 extern int isonum_721(char *);
171 extern int isonum_722(char *);
172 extern int isonum_723(char *);
173 extern int isonum_731(char *);
174 extern int isonum_732(char *);
175 extern int isonum_733(char *);
176 extern int iso_date(char *, int);
178 extern int parse_rock_ridge_inode(struct iso_directory_record
*, struct inode
*);
179 extern int get_rock_ridge_filename(struct iso_directory_record
*, char *, struct inode
*);
181 extern char * get_rock_ridge_symlink(struct inode
*);
182 extern int find_rock_ridge_relocation(struct iso_directory_record
*, struct inode
*);
184 int get_joliet_filename(struct iso_directory_record
*, struct inode
*, unsigned char *);
185 int get_acorn_filename(struct iso_directory_record
*, char *, struct inode
*);
187 /* The stuff that follows may be totally unneeded. I have not checked to see
188 which prototypes we are still using. */
190 extern int isofs_open(struct inode
* inode
, struct file
* filp
);
191 extern void isofs_release(struct inode
* inode
, struct file
* filp
);
192 extern struct dentry
*isofs_lookup(struct inode
* dir
, struct dentry
*);
193 extern unsigned long isofs_count_free_inodes(struct super_block
*sb
);
194 extern int isofs_new_block(int dev
);
195 extern int isofs_free_block(int dev
, int block
);
196 extern int isofs_bmap(struct inode
*,int);
198 extern void isofs_put_super(struct super_block
*);
199 extern struct super_block
*isofs_read_super(struct super_block
*,void *,int);
200 extern int init_iso9660_fs(void);
201 extern void isofs_read_inode(struct inode
*);
202 extern void isofs_put_inode(struct inode
*);
203 extern int isofs_statfs(struct super_block
*, struct statfs
*, int);
205 extern int isofs_lseek(struct inode
*, struct file
*, off_t
, int);
206 extern int isofs_read(struct inode
*, struct file
*, char *, int);
207 extern int isofs_lookup_grandparent(struct inode
*, int);
209 extern struct inode_operations isofs_file_inode_operations
;
210 extern struct inode_operations isofs_dir_inode_operations
;
211 extern struct inode_operations isofs_symlink_inode_operations
;
212 extern struct inode_operations isofs_chrdev_inode_operations
;
213 extern struct inode_operations isofs_blkdev_inode_operations
;
214 extern struct inode_operations isofs_fifo_inode_operations
;
216 /* The following macros are used to check for memory leaks. */
218 #define free_s leak_check_free_s
219 #define malloc leak_check_malloc
220 #define bread leak_check_bread
221 #define brelse leak_check_brelse
222 extern void * leak_check_malloc(unsigned int size
);
223 extern void leak_check_free_s(void * obj
, int size
);
224 extern struct buffer_head
* leak_check_bread(int dev
, int block
, int size
);
225 extern void leak_check_brelse(struct buffer_head
* bh
);
226 #endif /* LEAK_CHECK */
228 #endif /* __KERNEL__ */