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1da177e4 LT |
1 | #ifndef __UDF_DECL_H |
2 | #define __UDF_DECL_H | |
3 | ||
1da177e4 LT |
4 | #include "ecma_167.h" |
5 | #include "osta_udf.h" | |
6 | ||
7 | #include <linux/fs.h> | |
1da177e4 | 8 | #include <linux/types.h> |
1da177e4 | 9 | #include <linux/buffer_head.h> |
15aebd28 | 10 | #include <linux/udf_fs_i.h> |
1da177e4 | 11 | |
15aebd28 | 12 | #include "udf_sb.h" |
1da177e4 | 13 | #include "udfend.h" |
d652eefb | 14 | #include "udf_i.h" |
1da177e4 | 15 | |
15aebd28 CH |
16 | #define UDF_PREALLOCATE |
17 | #define UDF_DEFAULT_PREALLOC_BLOCKS 8 | |
18 | ||
e4f3ec06 | 19 | #undef UDFFS_DEBUG |
15aebd28 CH |
20 | |
21 | #ifdef UDFFS_DEBUG | |
22 | #define udf_debug(f, a...) \ | |
23 | do { \ | |
24 | printk(KERN_DEBUG "UDF-fs DEBUG %s:%d:%s: ", \ | |
25 | __FILE__, __LINE__, __func__); \ | |
26 | printk(f, ##a); \ | |
27 | } while (0) | |
28 | #else | |
29 | #define udf_debug(f, a...) /**/ | |
30 | #endif | |
31 | ||
32 | #define udf_info(f, a...) \ | |
33 | printk(KERN_INFO "UDF-fs INFO " f, ##a); | |
34 | ||
35 | ||
1da177e4 LT |
36 | #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) |
37 | #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) | |
38 | ||
39 | #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF | |
40 | #define UDF_EXTENT_FLAG_MASK 0xC0000000 | |
41 | ||
42 | #define UDF_NAME_PAD 4 | |
43 | #define UDF_NAME_LEN 256 | |
44 | #define UDF_PATH_LEN 1023 | |
45 | ||
d652eefb | 46 | static inline size_t udf_file_entry_alloc_offset(struct inode *inode) |
47 | { | |
48 | struct udf_inode_info *iinfo = UDF_I(inode); | |
49 | if (iinfo->i_use) | |
50 | return sizeof(struct unallocSpaceEntry); | |
51 | else if (iinfo->i_efe) | |
52 | return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr; | |
53 | else | |
54 | return sizeof(struct fileEntry) + iinfo->i_lenEAttr; | |
55 | } | |
56 | ||
57 | static inline size_t udf_ext0_offset(struct inode *inode) | |
58 | { | |
59 | if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) | |
60 | return udf_file_entry_alloc_offset(inode); | |
61 | else | |
62 | return 0; | |
63 | } | |
1da177e4 | 64 | |
3f2587bb | 65 | /* computes tag checksum */ |
5ca4e4be | 66 | u8 udf_tag_checksum(const struct tag *t); |
3f2587bb | 67 | |
1da177e4 LT |
68 | struct dentry; |
69 | struct inode; | |
70 | struct task_struct; | |
71 | struct buffer_head; | |
72 | struct super_block; | |
73 | ||
221e583a | 74 | extern const struct export_operations udf_export_ops; |
c5ef1c42 | 75 | extern const struct inode_operations udf_dir_inode_operations; |
4b6f5d20 | 76 | extern const struct file_operations udf_dir_operations; |
c5ef1c42 | 77 | extern const struct inode_operations udf_file_inode_operations; |
4b6f5d20 | 78 | extern const struct file_operations udf_file_operations; |
f5e54d6e CH |
79 | extern const struct address_space_operations udf_aops; |
80 | extern const struct address_space_operations udf_adinicb_aops; | |
81 | extern const struct address_space_operations udf_symlink_aops; | |
1da177e4 | 82 | |
cb00ea35 | 83 | struct udf_fileident_bh { |
1da177e4 LT |
84 | struct buffer_head *sbh; |
85 | struct buffer_head *ebh; | |
86 | int soffset; | |
87 | int eoffset; | |
88 | }; | |
89 | ||
cb00ea35 | 90 | struct udf_vds_record { |
1da177e4 LT |
91 | uint32_t block; |
92 | uint32_t volDescSeqNum; | |
93 | }; | |
94 | ||
cb00ea35 | 95 | struct generic_desc { |
5ca4e4be | 96 | struct tag descTag; |
28de7948 | 97 | __le32 volDescSeqNum; |
1da177e4 LT |
98 | }; |
99 | ||
cb00ea35 | 100 | struct ustr { |
1da177e4 | 101 | uint8_t u_cmpID; |
cb00ea35 | 102 | uint8_t u_name[UDF_NAME_LEN - 2]; |
1da177e4 LT |
103 | uint8_t u_len; |
104 | }; | |
105 | ||
ff116fc8 JK |
106 | struct extent_position { |
107 | struct buffer_head *bh; | |
108 | uint32_t offset; | |
5ca4e4be | 109 | struct kernel_lb_addr block; |
ff116fc8 JK |
110 | }; |
111 | ||
1da177e4 | 112 | /* super.c */ |
1da177e4 | 113 | extern void udf_warning(struct super_block *, const char *, const char *, ...); |
146bca72 JK |
114 | static inline void udf_updated_lvid(struct super_block *sb) |
115 | { | |
116 | struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh; | |
117 | ||
118 | BUG_ON(!bh); | |
119 | WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) | |
120 | bh->b_data)->integrityType != | |
121 | cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); | |
122 | sb->s_dirt = 1; | |
123 | UDF_SB(sb)->s_lvid_dirty = 1; | |
124 | } | |
1da177e4 LT |
125 | |
126 | /* namei.c */ | |
cb00ea35 CG |
127 | extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, |
128 | struct fileIdentDesc *, struct udf_fileident_bh *, | |
129 | uint8_t *, uint8_t *); | |
1da177e4 LT |
130 | |
131 | /* file.c */ | |
cb00ea35 CG |
132 | extern int udf_ioctl(struct inode *, struct file *, unsigned int, |
133 | unsigned long); | |
1da177e4 LT |
134 | |
135 | /* inode.c */ | |
97e961fd | 136 | extern struct inode *udf_iget(struct super_block *, struct kernel_lb_addr *); |
1da177e4 LT |
137 | extern int udf_sync_inode(struct inode *); |
138 | extern void udf_expand_file_adinicb(struct inode *, int, int *); | |
cb00ea35 CG |
139 | extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); |
140 | extern struct buffer_head *udf_bread(struct inode *, int, int, int *); | |
1da177e4 LT |
141 | extern void udf_truncate(struct inode *); |
142 | extern void udf_read_inode(struct inode *); | |
143 | extern void udf_delete_inode(struct inode *); | |
144 | extern void udf_clear_inode(struct inode *); | |
145 | extern int udf_write_inode(struct inode *, int); | |
60448b1d | 146 | extern long udf_block_map(struct inode *, sector_t); |
cb00ea35 | 147 | extern int udf_extend_file(struct inode *, struct extent_position *, |
5ca4e4be | 148 | struct kernel_long_ad *, sector_t); |
cb00ea35 | 149 | extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, |
5ca4e4be | 150 | struct kernel_lb_addr *, uint32_t *, sector_t *); |
cb00ea35 | 151 | extern int8_t udf_add_aext(struct inode *, struct extent_position *, |
97e961fd | 152 | struct kernel_lb_addr *, uint32_t, int); |
cb00ea35 | 153 | extern int8_t udf_write_aext(struct inode *, struct extent_position *, |
97e961fd | 154 | struct kernel_lb_addr *, uint32_t, int); |
cb00ea35 | 155 | extern int8_t udf_delete_aext(struct inode *, struct extent_position, |
5ca4e4be | 156 | struct kernel_lb_addr, uint32_t); |
cb00ea35 | 157 | extern int8_t udf_next_aext(struct inode *, struct extent_position *, |
5ca4e4be | 158 | struct kernel_lb_addr *, uint32_t *, int); |
cb00ea35 | 159 | extern int8_t udf_current_aext(struct inode *, struct extent_position *, |
5ca4e4be | 160 | struct kernel_lb_addr *, uint32_t *, int); |
1da177e4 LT |
161 | |
162 | /* misc.c */ | |
163 | extern struct buffer_head *udf_tgetblk(struct super_block *, int); | |
164 | extern struct buffer_head *udf_tread(struct super_block *, int); | |
cb00ea35 CG |
165 | extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, |
166 | uint32_t, uint8_t); | |
167 | extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, | |
168 | uint8_t); | |
169 | extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, | |
170 | uint32_t, uint16_t *); | |
171 | extern struct buffer_head *udf_read_ptagged(struct super_block *, | |
97e961fd | 172 | struct kernel_lb_addr *, uint32_t, |
cb00ea35 | 173 | uint16_t *); |
1da177e4 LT |
174 | extern void udf_update_tag(char *, int); |
175 | extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); | |
176 | ||
177 | /* lowlevel.c */ | |
178 | extern unsigned int udf_get_last_session(struct super_block *); | |
179 | extern unsigned long udf_get_last_block(struct super_block *); | |
180 | ||
181 | /* partition.c */ | |
cb00ea35 CG |
182 | extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, |
183 | uint32_t); | |
184 | extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, | |
185 | uint32_t); | |
186 | extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, | |
187 | uint32_t); | |
188 | extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, | |
189 | uint32_t); | |
bfb257a5 JK |
190 | extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t, |
191 | uint32_t); | |
1da177e4 LT |
192 | extern int udf_relocate_blocks(struct super_block *, long, long *); |
193 | ||
97e961fd PE |
194 | static inline uint32_t |
195 | udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc, | |
196 | uint32_t offset) | |
197 | { | |
198 | return udf_get_pblock(sb, loc->logicalBlockNum, | |
199 | loc->partitionReferenceNum, offset); | |
200 | } | |
201 | ||
1da177e4 LT |
202 | /* unicode.c */ |
203 | extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int); | |
cb00ea35 CG |
204 | extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, |
205 | int); | |
1da177e4 | 206 | extern int udf_build_ustr(struct ustr *, dstring *, int); |
79cfe0ff | 207 | extern int udf_CS0toUTF8(struct ustr *, const struct ustr *); |
1da177e4 LT |
208 | |
209 | /* ialloc.c */ | |
210 | extern void udf_free_inode(struct inode *); | |
cb00ea35 | 211 | extern struct inode *udf_new_inode(struct inode *, int, int *); |
1da177e4 LT |
212 | |
213 | /* truncate.c */ | |
74584ae5 | 214 | extern void udf_truncate_tail_extent(struct inode *); |
1da177e4 LT |
215 | extern void udf_discard_prealloc(struct inode *); |
216 | extern void udf_truncate_extents(struct inode *); | |
217 | ||
218 | /* balloc.c */ | |
cb00ea35 | 219 | extern void udf_free_blocks(struct super_block *, struct inode *, |
97e961fd | 220 | struct kernel_lb_addr *, uint32_t, uint32_t); |
cb00ea35 CG |
221 | extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, |
222 | uint32_t, uint32_t); | |
223 | extern int udf_new_block(struct super_block *, struct inode *, uint16_t, | |
224 | uint32_t, int *); | |
1da177e4 | 225 | |
1da177e4 | 226 | /* directory.c */ |
cb00ea35 CG |
227 | extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, |
228 | struct udf_fileident_bh *, | |
229 | struct fileIdentDesc *, | |
230 | struct extent_position *, | |
5ca4e4be | 231 | struct kernel_lb_addr *, uint32_t *, |
cb00ea35 CG |
232 | sector_t *); |
233 | extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, | |
234 | int *offset); | |
5ca4e4be PE |
235 | extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); |
236 | extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); | |
1da177e4 | 237 | |
1da177e4 | 238 | /* udftime.c */ |
56774805 | 239 | extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest, |
5ca4e4be PE |
240 | struct timestamp src); |
241 | extern struct timestamp *udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src); | |
1da177e4 | 242 | |
cb00ea35 | 243 | #endif /* __UDF_DECL_H */ |