Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 | #ifndef _ISOFS_FS_H #define _ISOFS_FS_H #include <linux/types.h> /* * The isofs filesystem constants/structures */ /* This part borrowed from the bsd386 isofs */ #define ISODCL(from, to) (to - from + 1) struct iso_volume_descriptor { char type[ISODCL(1,1)]; /* 711 */ char id[ISODCL(2,6)]; char version[ISODCL(7,7)]; char data[ISODCL(8,2048)]; }; /* volume descriptor types */ #define ISO_VD_PRIMARY 1 #define ISO_VD_SUPPLEMENTARY 2 #define ISO_VD_END 255 #define ISO_STANDARD_ID "CD001" struct iso_primary_descriptor { char type [ISODCL ( 1, 1)]; /* 711 */ char id [ISODCL ( 2, 6)]; char version [ISODCL ( 7, 7)]; /* 711 */ char unused1 [ISODCL ( 8, 8)]; char system_id [ISODCL ( 9, 40)]; /* achars */ char volume_id [ISODCL ( 41, 72)]; /* dchars */ char unused2 [ISODCL ( 73, 80)]; char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ char unused3 [ISODCL ( 89, 120)]; char volume_set_size [ISODCL (121, 124)]; /* 723 */ char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ char logical_block_size [ISODCL (129, 132)]; /* 723 */ char path_table_size [ISODCL (133, 140)]; /* 733 */ char type_l_path_table [ISODCL (141, 144)]; /* 731 */ char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ char type_m_path_table [ISODCL (149, 152)]; /* 732 */ char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ char volume_set_id [ISODCL (191, 318)]; /* dchars */ char publisher_id [ISODCL (319, 446)]; /* achars */ char preparer_id [ISODCL (447, 574)]; /* achars */ char application_id [ISODCL (575, 702)]; /* achars */ char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ char file_structure_version [ISODCL (882, 882)]; /* 711 */ char unused4 [ISODCL (883, 883)]; char application_data [ISODCL (884, 1395)]; char unused5 [ISODCL (1396, 2048)]; }; /* Almost the same as the primary descriptor but two fields are specified */ struct iso_supplementary_descriptor { char type [ISODCL ( 1, 1)]; /* 711 */ char id [ISODCL ( 2, 6)]; char version [ISODCL ( 7, 7)]; /* 711 */ char flags [ISODCL ( 8, 8)]; /* 853 */ char system_id [ISODCL ( 9, 40)]; /* achars */ char volume_id [ISODCL ( 41, 72)]; /* dchars */ char unused2 [ISODCL ( 73, 80)]; char volume_space_size [ISODCL ( 81, 88)]; /* 733 */ char escape [ISODCL ( 89, 120)]; /* 856 */ char volume_set_size [ISODCL (121, 124)]; /* 723 */ char volume_sequence_number [ISODCL (125, 128)]; /* 723 */ char logical_block_size [ISODCL (129, 132)]; /* 723 */ char path_table_size [ISODCL (133, 140)]; /* 733 */ char type_l_path_table [ISODCL (141, 144)]; /* 731 */ char opt_type_l_path_table [ISODCL (145, 148)]; /* 731 */ char type_m_path_table [ISODCL (149, 152)]; /* 732 */ char opt_type_m_path_table [ISODCL (153, 156)]; /* 732 */ char root_directory_record [ISODCL (157, 190)]; /* 9.1 */ char volume_set_id [ISODCL (191, 318)]; /* dchars */ char publisher_id [ISODCL (319, 446)]; /* achars */ char preparer_id [ISODCL (447, 574)]; /* achars */ char application_id [ISODCL (575, 702)]; /* achars */ char copyright_file_id [ISODCL (703, 739)]; /* 7.5 dchars */ char abstract_file_id [ISODCL (740, 776)]; /* 7.5 dchars */ char bibliographic_file_id [ISODCL (777, 813)]; /* 7.5 dchars */ char creation_date [ISODCL (814, 830)]; /* 8.4.26.1 */ char modification_date [ISODCL (831, 847)]; /* 8.4.26.1 */ char expiration_date [ISODCL (848, 864)]; /* 8.4.26.1 */ char effective_date [ISODCL (865, 881)]; /* 8.4.26.1 */ char file_structure_version [ISODCL (882, 882)]; /* 711 */ char unused4 [ISODCL (883, 883)]; char application_data [ISODCL (884, 1395)]; char unused5 [ISODCL (1396, 2048)]; }; #define HS_STANDARD_ID "CDROM" struct hs_volume_descriptor { char foo [ISODCL ( 1, 8)]; /* 733 */ char type [ISODCL ( 9, 9)]; /* 711 */ char id [ISODCL ( 10, 14)]; char version [ISODCL ( 15, 15)]; /* 711 */ char data[ISODCL(16,2048)]; }; struct hs_primary_descriptor { char foo [ISODCL ( 1, 8)]; /* 733 */ char type [ISODCL ( 9, 9)]; /* 711 */ char id [ISODCL ( 10, 14)]; char version [ISODCL ( 15, 15)]; /* 711 */ char unused1 [ISODCL ( 16, 16)]; /* 711 */ char system_id [ISODCL ( 17, 48)]; /* achars */ char volume_id [ISODCL ( 49, 80)]; /* dchars */ char unused2 [ISODCL ( 81, 88)]; /* 733 */ char volume_space_size [ISODCL ( 89, 96)]; /* 733 */ char unused3 [ISODCL ( 97, 128)]; /* 733 */ char volume_set_size [ISODCL (129, 132)]; /* 723 */ char volume_sequence_number [ISODCL (133, 136)]; /* 723 */ char logical_block_size [ISODCL (137, 140)]; /* 723 */ char path_table_size [ISODCL (141, 148)]; /* 733 */ char type_l_path_table [ISODCL (149, 152)]; /* 731 */ char unused4 [ISODCL (153, 180)]; /* 733 */ char root_directory_record [ISODCL (181, 214)]; /* 9.1 */ }; /* We use this to help us look up the parent inode numbers. */ struct iso_path_table{ unsigned char name_len[2]; /* 721 */ char extent[4]; /* 731 */ char parent[2]; /* 721 */ char name[0]; }; /* high sierra is identical to iso, except that the date is only 6 bytes, and there is an extra reserved byte after the flags */ struct iso_directory_record { char length [ISODCL (1, 1)]; /* 711 */ char ext_attr_length [ISODCL (2, 2)]; /* 711 */ char extent [ISODCL (3, 10)]; /* 733 */ char size [ISODCL (11, 18)]; /* 733 */ char date [ISODCL (19, 25)]; /* 7 by 711 */ char flags [ISODCL (26, 26)]; char file_unit_size [ISODCL (27, 27)]; /* 711 */ char interleave [ISODCL (28, 28)]; /* 711 */ char volume_sequence_number [ISODCL (29, 32)]; /* 723 */ unsigned char name_len [ISODCL (33, 33)]; /* 711 */ char name [0]; }; #define ISOFS_BLOCK_BITS 11 #define ISOFS_BLOCK_SIZE 2048 #define ISOFS_BUFFER_SIZE(INODE) ((INODE)->i_sb->s_blocksize) #define ISOFS_BUFFER_BITS(INODE) ((INODE)->i_sb->s_blocksize_bits) #define ISOFS_ZONE_BITS(INODE) ((INODE)->i_sb->u.isofs_sb.s_log_zone_size) #define ISOFS_SUPER_MAGIC 0x9660 #define ISOFS_FILE_UNKNOWN 0 #define ISOFS_FILE_TEXT 1 #define ISOFS_FILE_BINARY 2 #define ISOFS_FILE_TEXT_M 3 #ifdef __KERNEL__ extern int isonum_711(char *); extern int isonum_712(char *); extern int isonum_721(char *); extern int isonum_722(char *); extern int isonum_723(char *); extern int isonum_731(char *); extern int isonum_732(char *); extern int isonum_733(char *); extern int iso_date(char *, int); extern int parse_rock_ridge_inode(struct iso_directory_record *, struct inode *); extern int get_rock_ridge_filename(struct iso_directory_record *, char *, struct inode *); extern char * get_rock_ridge_symlink(struct inode *); extern int find_rock_ridge_relocation(struct iso_directory_record *, struct inode *); int get_joliet_filename(struct iso_directory_record *, struct inode *, unsigned char *); /* The stuff that follows may be totally unneeded. I have not checked to see which prototypes we are still using. */ extern int isofs_open(struct inode * inode, struct file * filp); extern void isofs_release(struct inode * inode, struct file * filp); extern int isofs_lookup(struct inode * dir,const char * name, int len, struct inode ** result); extern unsigned long isofs_count_free_inodes(struct super_block *sb); extern int isofs_new_block(int dev); extern int isofs_free_block(int dev, int block); extern int isofs_bmap(struct inode *,int); extern void isofs_put_super(struct super_block *); extern struct super_block *isofs_read_super(struct super_block *,void *,int); extern int init_iso9660_fs(void); extern void isofs_read_inode(struct inode *); extern void isofs_put_inode(struct inode *); extern void isofs_statfs(struct super_block *, struct statfs *, int); extern int isofs_lseek(struct inode *, struct file *, off_t, int); extern int isofs_read(struct inode *, struct file *, char *, int); extern int isofs_lookup_grandparent(struct inode *, int); extern struct inode_operations isofs_file_inode_operations; extern struct inode_operations isofs_dir_inode_operations; extern struct inode_operations isofs_symlink_inode_operations; extern struct inode_operations isofs_chrdev_inode_operations; extern struct inode_operations isofs_blkdev_inode_operations; extern struct inode_operations isofs_fifo_inode_operations; /* The following macros are used to check for memory leaks. */ #ifdef LEAK_CHECK #define free_s leak_check_free_s #define malloc leak_check_malloc #define bread leak_check_bread #define brelse leak_check_brelse extern void * leak_check_malloc(unsigned int size); extern void leak_check_free_s(void * obj, int size); extern struct buffer_head * leak_check_bread(int dev, int block, int size); extern void leak_check_brelse(struct buffer_head * bh); #endif /* LEAK_CHECK */ #endif /* __KERNEL__ */ #endif |