1 #ifndef __UDF_DECL_H 2 #define __UDF_DECL_H 3 4 #include <linux/udf_fs.h> 5 #include "ecma_167.h" 6 #include "osta_udf.h" 7 8 #include <linux/fs.h> 9 #include <linux/types.h> 10 #include <linux/udf_fs_i.h> 11 #include <linux/udf_fs_sb.h> 12 #include <linux/buffer_head.h> 13 14 #include "udfend.h" 15 16 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) 17 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) 18 19 #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF 20 #define UDF_EXTENT_FLAG_MASK 0xC0000000 21 22 #define UDF_NAME_PAD 4 23 #define UDF_NAME_LEN 256 24 #define UDF_PATH_LEN 1023 25 26 #define udf_file_entry_alloc_offset(inode)\ 27 (UDF_I_USE(inode) ?\ 28 sizeof(struct unallocSpaceEntry) :\ 29 ((UDF_I_EFE(inode) ?\ 30 sizeof(struct extendedFileEntry) :\ 31 sizeof(struct fileEntry)) + UDF_I_LENEATTR(inode))) 32 33 #define udf_ext0_offset(inode)\ 34 (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB ?\ 35 udf_file_entry_alloc_offset(inode) : 0) 36 37 #define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset)) 38 39 struct dentry; 40 struct inode; 41 struct task_struct; 42 struct buffer_head; 43 struct super_block; 44 45 extern const struct inode_operations udf_dir_inode_operations; 46 extern const struct file_operations udf_dir_operations; 47 extern const struct inode_operations udf_file_inode_operations; 48 extern const struct file_operations udf_file_operations; 49 extern const struct address_space_operations udf_aops; 50 extern const struct address_space_operations udf_adinicb_aops; 51 extern const struct address_space_operations udf_symlink_aops; 52 53 struct udf_fileident_bh { 54 struct buffer_head *sbh; 55 struct buffer_head *ebh; 56 int soffset; 57 int eoffset; 58 }; 59 60 struct udf_vds_record { 61 uint32_t block; 62 uint32_t volDescSeqNum; 63 }; 64 65 struct generic_desc { 66 tag descTag; 67 __le32 volDescSeqNum; 68 }; 69 70 struct ustr { 71 uint8_t u_cmpID; 72 uint8_t u_name[UDF_NAME_LEN - 2]; 73 uint8_t u_len; 74 }; 75 76 struct extent_position { 77 struct buffer_head *bh; 78 uint32_t offset; 79 kernel_lb_addr block; 80 }; 81 82 /* super.c */ 83 extern void udf_error(struct super_block *, const char *, const char *, ...); 84 extern void udf_warning(struct super_block *, const char *, const char *, ...); 85 86 /* namei.c */ 87 extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, 88 struct fileIdentDesc *, struct udf_fileident_bh *, 89 uint8_t *, uint8_t *); 90 91 /* file.c */ 92 extern int udf_ioctl(struct inode *, struct file *, unsigned int, 93 unsigned long); 94 95 /* inode.c */ 96 extern struct inode *udf_iget(struct super_block *, kernel_lb_addr); 97 extern int udf_sync_inode(struct inode *); 98 extern void udf_expand_file_adinicb(struct inode *, int, int *); 99 extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); 100 extern struct buffer_head *udf_bread(struct inode *, int, int, int *); 101 extern void udf_truncate(struct inode *); 102 extern void udf_read_inode(struct inode *); 103 extern void udf_delete_inode(struct inode *); 104 extern void udf_clear_inode(struct inode *); 105 extern int udf_write_inode(struct inode *, int); 106 extern long udf_block_map(struct inode *, sector_t); 107 extern int udf_extend_file(struct inode *, struct extent_position *, 108 kernel_long_ad *, sector_t); 109 extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, 110 kernel_lb_addr *, uint32_t *, sector_t *); 111 extern int8_t udf_add_aext(struct inode *, struct extent_position *, 112 kernel_lb_addr, uint32_t, int); 113 extern int8_t udf_write_aext(struct inode *, struct extent_position *, 114 kernel_lb_addr, uint32_t, int); 115 extern int8_t udf_delete_aext(struct inode *, struct extent_position, 116 kernel_lb_addr, uint32_t); 117 extern int8_t udf_next_aext(struct inode *, struct extent_position *, 118 kernel_lb_addr *, uint32_t *, int); 119 extern int8_t udf_current_aext(struct inode *, struct extent_position *, 120 kernel_lb_addr *, uint32_t *, int); 121 122 /* misc.c */ 123 extern struct buffer_head *udf_tgetblk(struct super_block *, int); 124 extern struct buffer_head *udf_tread(struct super_block *, int); 125 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, 126 uint32_t, uint8_t); 127 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, 128 uint8_t); 129 extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, 130 uint32_t, uint16_t *); 131 extern struct buffer_head *udf_read_ptagged(struct super_block *, 132 kernel_lb_addr, uint32_t, 133 uint16_t *); 134 extern void udf_update_tag(char *, int); 135 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); 136 137 /* lowlevel.c */ 138 extern unsigned int udf_get_last_session(struct super_block *); 139 extern unsigned long udf_get_last_block(struct super_block *); 140 141 /* partition.c */ 142 extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, 143 uint32_t); 144 extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, 145 uint32_t); 146 extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, 147 uint32_t); 148 extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, 149 uint32_t); 150 extern int udf_relocate_blocks(struct super_block *, long, long *); 151 152 /* unicode.c */ 153 extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int); 154 extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, 155 int); 156 extern int udf_build_ustr(struct ustr *, dstring *, int); 157 extern int udf_CS0toUTF8(struct ustr *, struct ustr *); 158 159 /* ialloc.c */ 160 extern void udf_free_inode(struct inode *); 161 extern struct inode *udf_new_inode(struct inode *, int, int *); 162 163 /* truncate.c */ 164 extern void udf_truncate_tail_extent(struct inode *); 165 extern void udf_discard_prealloc(struct inode *); 166 extern void udf_truncate_extents(struct inode *); 167 168 /* balloc.c */ 169 extern void udf_free_blocks(struct super_block *, struct inode *, 170 kernel_lb_addr, uint32_t, uint32_t); 171 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, 172 uint32_t, uint32_t); 173 extern int udf_new_block(struct super_block *, struct inode *, uint16_t, 174 uint32_t, int *); 175 176 /* fsync.c */ 177 extern int udf_fsync_file(struct file *, struct dentry *, int); 178 179 /* directory.c */ 180 extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, 181 struct udf_fileident_bh *, 182 struct fileIdentDesc *, 183 struct extent_position *, 184 kernel_lb_addr *, uint32_t *, 185 sector_t *); 186 extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, 187 int *offset); 188 extern long_ad *udf_get_filelongad(uint8_t *, int, int *, int); 189 extern short_ad *udf_get_fileshortad(uint8_t *, int, int *, int); 190 191 /* crc.c */ 192 extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t); 193 194 /* udftime.c */ 195 extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp); 196 extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec); 197 198 #endif /* __UDF_DECL_H */ 199