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(inode)->i_use ?\ 28 sizeof(struct unallocSpaceEntry) :\ 29 ((UDF_I(inode)->i_efe ?\ 30 sizeof(struct extendedFileEntry) :\ 31 sizeof(struct fileEntry)) + UDF_I(inode)->i_lenEAttr)) 32 33 #define udf_ext0_offset(inode)\ 34 (UDF_I(inode)->i_alloc_type == 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 /* computes tag checksum */ 40 u8 udf_tag_checksum(const tag *t); 41 42 struct dentry; 43 struct inode; 44 struct task_struct; 45 struct buffer_head; 46 struct super_block; 47 48 extern const struct inode_operations udf_dir_inode_operations; 49 extern const struct file_operations udf_dir_operations; 50 extern const struct inode_operations udf_file_inode_operations; 51 extern const struct file_operations udf_file_operations; 52 extern const struct address_space_operations udf_aops; 53 extern const struct address_space_operations udf_adinicb_aops; 54 extern const struct address_space_operations udf_symlink_aops; 55 56 struct udf_fileident_bh { 57 struct buffer_head *sbh; 58 struct buffer_head *ebh; 59 int soffset; 60 int eoffset; 61 }; 62 63 struct udf_vds_record { 64 uint32_t block; 65 uint32_t volDescSeqNum; 66 }; 67 68 struct generic_desc { 69 tag descTag; 70 __le32 volDescSeqNum; 71 }; 72 73 struct ustr { 74 uint8_t u_cmpID; 75 uint8_t u_name[UDF_NAME_LEN - 2]; 76 uint8_t u_len; 77 }; 78 79 struct extent_position { 80 struct buffer_head *bh; 81 uint32_t offset; 82 kernel_lb_addr block; 83 }; 84 85 /* super.c */ 86 extern void udf_error(struct super_block *, const char *, const char *, ...); 87 extern void udf_warning(struct super_block *, const char *, const char *, ...); 88 89 /* namei.c */ 90 extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, 91 struct fileIdentDesc *, struct udf_fileident_bh *, 92 uint8_t *, uint8_t *); 93 94 /* file.c */ 95 extern int udf_ioctl(struct inode *, struct file *, unsigned int, 96 unsigned long); 97 98 /* inode.c */ 99 extern struct inode *udf_iget(struct super_block *, kernel_lb_addr); 100 extern int udf_sync_inode(struct inode *); 101 extern void udf_expand_file_adinicb(struct inode *, int, int *); 102 extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); 103 extern struct buffer_head *udf_bread(struct inode *, int, int, int *); 104 extern void udf_truncate(struct inode *); 105 extern void udf_read_inode(struct inode *); 106 extern void udf_delete_inode(struct inode *); 107 extern void udf_clear_inode(struct inode *); 108 extern int udf_write_inode(struct inode *, int); 109 extern long udf_block_map(struct inode *, sector_t); 110 extern int udf_extend_file(struct inode *, struct extent_position *, 111 kernel_long_ad *, sector_t); 112 extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, 113 kernel_lb_addr *, uint32_t *, sector_t *); 114 extern int8_t udf_add_aext(struct inode *, struct extent_position *, 115 kernel_lb_addr, uint32_t, int); 116 extern int8_t udf_write_aext(struct inode *, struct extent_position *, 117 kernel_lb_addr, uint32_t, int); 118 extern int8_t udf_delete_aext(struct inode *, struct extent_position, 119 kernel_lb_addr, uint32_t); 120 extern int8_t udf_next_aext(struct inode *, struct extent_position *, 121 kernel_lb_addr *, uint32_t *, int); 122 extern int8_t udf_current_aext(struct inode *, struct extent_position *, 123 kernel_lb_addr *, uint32_t *, int); 124 125 /* misc.c */ 126 extern struct buffer_head *udf_tgetblk(struct super_block *, int); 127 extern struct buffer_head *udf_tread(struct super_block *, int); 128 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, 129 uint32_t, uint8_t); 130 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, 131 uint8_t); 132 extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, 133 uint32_t, uint16_t *); 134 extern struct buffer_head *udf_read_ptagged(struct super_block *, 135 kernel_lb_addr, uint32_t, 136 uint16_t *); 137 extern void udf_update_tag(char *, int); 138 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); 139 140 /* lowlevel.c */ 141 extern unsigned int udf_get_last_session(struct super_block *); 142 extern unsigned long udf_get_last_block(struct super_block *); 143 144 /* partition.c */ 145 extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, 146 uint32_t); 147 extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, 148 uint32_t); 149 extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, 150 uint32_t); 151 extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, 152 uint32_t); 153 extern int udf_relocate_blocks(struct super_block *, long, long *); 154 155 /* unicode.c */ 156 extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int); 157 extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, 158 int); 159 extern int udf_build_ustr(struct ustr *, dstring *, int); 160 extern int udf_CS0toUTF8(struct ustr *, struct ustr *); 161 162 /* ialloc.c */ 163 extern void udf_free_inode(struct inode *); 164 extern struct inode *udf_new_inode(struct inode *, int, int *); 165 166 /* truncate.c */ 167 extern void udf_truncate_tail_extent(struct inode *); 168 extern void udf_discard_prealloc(struct inode *); 169 extern void udf_truncate_extents(struct inode *); 170 171 /* balloc.c */ 172 extern void udf_free_blocks(struct super_block *, struct inode *, 173 kernel_lb_addr, uint32_t, uint32_t); 174 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, 175 uint32_t, uint32_t); 176 extern int udf_new_block(struct super_block *, struct inode *, uint16_t, 177 uint32_t, int *); 178 179 /* fsync.c */ 180 extern int udf_fsync_file(struct file *, struct dentry *, int); 181 182 /* directory.c */ 183 extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, 184 struct udf_fileident_bh *, 185 struct fileIdentDesc *, 186 struct extent_position *, 187 kernel_lb_addr *, uint32_t *, 188 sector_t *); 189 extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, 190 int *offset); 191 extern long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); 192 extern short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); 193 194 /* crc.c */ 195 extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t); 196 197 /* udftime.c */ 198 extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp); 199 extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec); 200 201 #endif /* __UDF_DECL_H */ 202