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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef __UDF_DECL_H |
3 | #define __UDF_DECL_H | |
4 | ||
78ace70c JP |
5 | #define pr_fmt(fmt) "UDF-fs: " fmt |
6 | ||
1da177e4 LT |
7 | #include "ecma_167.h" |
8 | #include "osta_udf.h" | |
9 | ||
10 | #include <linux/fs.h> | |
1da177e4 | 11 | #include <linux/types.h> |
1da177e4 | 12 | #include <linux/buffer_head.h> |
15aebd28 | 13 | #include <linux/udf_fs_i.h> |
1da177e4 | 14 | |
15aebd28 | 15 | #include "udf_sb.h" |
1da177e4 | 16 | #include "udfend.h" |
d652eefb | 17 | #include "udf_i.h" |
1da177e4 | 18 | |
15aebd28 CH |
19 | #define UDF_DEFAULT_PREALLOC_BLOCKS 8 |
20 | ||
34116645 LT |
21 | extern __printf(3, 4) void _udf_err(struct super_block *sb, |
22 | const char *function, const char *fmt, ...); | |
78ace70c JP |
23 | #define udf_err(sb, fmt, ...) \ |
24 | _udf_err(sb, __func__, fmt, ##__VA_ARGS__) | |
15aebd28 | 25 | |
34116645 LT |
26 | extern __printf(3, 4) void _udf_warn(struct super_block *sb, |
27 | const char *function, const char *fmt, ...); | |
a40ecd7b JP |
28 | #define udf_warn(sb, fmt, ...) \ |
29 | _udf_warn(sb, __func__, fmt, ##__VA_ARGS__) | |
7e273e3b | 30 | |
78ace70c JP |
31 | #define udf_info(fmt, ...) \ |
32 | pr_info("INFO " fmt, ##__VA_ARGS__) | |
7e273e3b | 33 | |
e4f3ec06 | 34 | #undef UDFFS_DEBUG |
15aebd28 CH |
35 | |
36 | #ifdef UDFFS_DEBUG | |
78ace70c JP |
37 | #define udf_debug(fmt, ...) \ |
38 | printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt), \ | |
39 | __FILE__, __LINE__, __func__, ##__VA_ARGS__) | |
15aebd28 | 40 | #else |
78ace70c JP |
41 | #define udf_debug(fmt, ...) \ |
42 | no_printk(fmt, ##__VA_ARGS__) | |
15aebd28 CH |
43 | #endif |
44 | ||
1da177e4 LT |
45 | #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) |
46 | #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) | |
47 | ||
48 | #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF | |
49 | #define UDF_EXTENT_FLAG_MASK 0xC0000000 | |
50 | ||
0c9850f4 JK |
51 | #define UDF_INVALID_ID ((uint32_t)-1) |
52 | ||
1da177e4 | 53 | #define UDF_NAME_PAD 4 |
9fba7056 AG |
54 | #define UDF_NAME_LEN 254 |
55 | #define UDF_NAME_LEN_CS0 255 | |
1da177e4 | 56 | |
d652eefb | 57 | static inline size_t udf_file_entry_alloc_offset(struct inode *inode) |
58 | { | |
59 | struct udf_inode_info *iinfo = UDF_I(inode); | |
60 | if (iinfo->i_use) | |
61 | return sizeof(struct unallocSpaceEntry); | |
62 | else if (iinfo->i_efe) | |
63 | return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr; | |
64 | else | |
65 | return sizeof(struct fileEntry) + iinfo->i_lenEAttr; | |
66 | } | |
67 | ||
68 | static inline size_t udf_ext0_offset(struct inode *inode) | |
69 | { | |
70 | if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) | |
71 | return udf_file_entry_alloc_offset(inode); | |
72 | else | |
73 | return 0; | |
74 | } | |
1da177e4 | 75 | |
3f2587bb | 76 | /* computes tag checksum */ |
5ca4e4be | 77 | u8 udf_tag_checksum(const struct tag *t); |
3f2587bb | 78 | |
b490bdd6 SM |
79 | typedef uint32_t udf_pblk_t; |
80 | ||
1da177e4 LT |
81 | struct dentry; |
82 | struct inode; | |
83 | struct task_struct; | |
84 | struct buffer_head; | |
85 | struct super_block; | |
86 | ||
221e583a | 87 | extern const struct export_operations udf_export_ops; |
c5ef1c42 | 88 | extern const struct inode_operations udf_dir_inode_operations; |
4b6f5d20 | 89 | extern const struct file_operations udf_dir_operations; |
c5ef1c42 | 90 | extern const struct inode_operations udf_file_inode_operations; |
4b6f5d20 | 91 | extern const struct file_operations udf_file_operations; |
ad4d0532 | 92 | extern const struct inode_operations udf_symlink_inode_operations; |
f5e54d6e CH |
93 | extern const struct address_space_operations udf_aops; |
94 | extern const struct address_space_operations udf_adinicb_aops; | |
95 | extern const struct address_space_operations udf_symlink_aops; | |
1da177e4 | 96 | |
cb00ea35 | 97 | struct udf_fileident_bh { |
1da177e4 LT |
98 | struct buffer_head *sbh; |
99 | struct buffer_head *ebh; | |
100 | int soffset; | |
101 | int eoffset; | |
102 | }; | |
103 | ||
cb00ea35 | 104 | struct udf_vds_record { |
1da177e4 LT |
105 | uint32_t block; |
106 | uint32_t volDescSeqNum; | |
107 | }; | |
108 | ||
cb00ea35 | 109 | struct generic_desc { |
5ca4e4be | 110 | struct tag descTag; |
28de7948 | 111 | __le32 volDescSeqNum; |
1da177e4 LT |
112 | }; |
113 | ||
ff116fc8 | 114 | |
1da177e4 | 115 | /* super.c */ |
fab3c858 | 116 | |
146bca72 JK |
117 | static inline void udf_updated_lvid(struct super_block *sb) |
118 | { | |
119 | struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh; | |
120 | ||
121 | BUG_ON(!bh); | |
122 | WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) | |
123 | bh->b_data)->integrityType != | |
124 | cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); | |
146bca72 JK |
125 | UDF_SB(sb)->s_lvid_dirty = 1; |
126 | } | |
d664b6af | 127 | extern u64 lvid_get_unique_id(struct super_block *sb); |
3080a74e NJ |
128 | struct inode *udf_find_metadata_inode_efe(struct super_block *sb, |
129 | u32 meta_file_loc, u32 partition_num); | |
1da177e4 LT |
130 | |
131 | /* namei.c */ | |
cb00ea35 CG |
132 | extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, |
133 | struct fileIdentDesc *, struct udf_fileident_bh *, | |
134 | uint8_t *, uint8_t *); | |
1da177e4 LT |
135 | |
136 | /* file.c */ | |
2f07a88b | 137 | extern long udf_ioctl(struct file *, unsigned int, unsigned long); |
1da177e4 | 138 | /* inode.c */ |
6174c2eb JK |
139 | extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *, |
140 | bool hidden_inode); | |
141 | static inline struct inode *udf_iget_special(struct super_block *sb, | |
142 | struct kernel_lb_addr *ino) | |
143 | { | |
144 | return __udf_iget(sb, ino, true); | |
145 | } | |
146 | static inline struct inode *udf_iget(struct super_block *sb, | |
147 | struct kernel_lb_addr *ino) | |
148 | { | |
149 | return __udf_iget(sb, ino, false); | |
150 | } | |
7e49b6f2 | 151 | extern int udf_expand_file_adinicb(struct inode *); |
b490bdd6 SM |
152 | extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, |
153 | udf_pblk_t *block, int *err); | |
154 | extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block, | |
155 | int create, int *err); | |
7e49b6f2 | 156 | extern int udf_setsize(struct inode *, loff_t); |
3aac2b62 | 157 | extern void udf_evict_inode(struct inode *); |
a9185b41 | 158 | extern int udf_write_inode(struct inode *, struct writeback_control *wbc); |
b490bdd6 | 159 | extern udf_pblk_t udf_block_map(struct inode *inode, sector_t block); |
cb00ea35 | 160 | extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, |
5ca4e4be | 161 | struct kernel_lb_addr *, uint32_t *, sector_t *); |
b490bdd6 | 162 | extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block, |
fcea62ba JK |
163 | struct extent_position *epos); |
164 | extern int __udf_add_aext(struct inode *inode, struct extent_position *epos, | |
165 | struct kernel_lb_addr *eloc, uint32_t elen, int inc); | |
7e49b6f2 JK |
166 | extern int udf_add_aext(struct inode *, struct extent_position *, |
167 | struct kernel_lb_addr *, uint32_t, int); | |
168 | extern void udf_write_aext(struct inode *, struct extent_position *, | |
97e961fd | 169 | struct kernel_lb_addr *, uint32_t, int); |
cb00ea35 | 170 | extern int8_t udf_delete_aext(struct inode *, struct extent_position, |
5ca4e4be | 171 | struct kernel_lb_addr, uint32_t); |
cb00ea35 | 172 | extern int8_t udf_next_aext(struct inode *, struct extent_position *, |
5ca4e4be | 173 | struct kernel_lb_addr *, uint32_t *, int); |
cb00ea35 | 174 | extern int8_t udf_current_aext(struct inode *, struct extent_position *, |
5ca4e4be | 175 | struct kernel_lb_addr *, uint32_t *, int); |
1da177e4 LT |
176 | |
177 | /* misc.c */ | |
b490bdd6 SM |
178 | extern struct buffer_head *udf_tgetblk(struct super_block *sb, |
179 | udf_pblk_t block); | |
180 | extern struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block); | |
cb00ea35 CG |
181 | extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, |
182 | uint32_t, uint8_t); | |
183 | extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, | |
184 | uint8_t); | |
185 | extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, | |
186 | uint32_t, uint16_t *); | |
187 | extern struct buffer_head *udf_read_ptagged(struct super_block *, | |
97e961fd | 188 | struct kernel_lb_addr *, uint32_t, |
cb00ea35 | 189 | uint16_t *); |
1da177e4 LT |
190 | extern void udf_update_tag(char *, int); |
191 | extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); | |
192 | ||
193 | /* lowlevel.c */ | |
194 | extern unsigned int udf_get_last_session(struct super_block *); | |
195 | extern unsigned long udf_get_last_block(struct super_block *); | |
196 | ||
197 | /* partition.c */ | |
cb00ea35 CG |
198 | extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, |
199 | uint32_t); | |
200 | extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, | |
201 | uint32_t); | |
202 | extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, | |
203 | uint32_t); | |
204 | extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, | |
205 | uint32_t); | |
bfb257a5 JK |
206 | extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t, |
207 | uint32_t); | |
1da177e4 LT |
208 | extern int udf_relocate_blocks(struct super_block *, long, long *); |
209 | ||
97e961fd PE |
210 | static inline uint32_t |
211 | udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc, | |
212 | uint32_t offset) | |
213 | { | |
214 | return udf_get_pblock(sb, loc->logicalBlockNum, | |
215 | loc->partitionReferenceNum, offset); | |
216 | } | |
217 | ||
1da177e4 | 218 | /* unicode.c */ |
9293fcfb AG |
219 | extern int udf_get_filename(struct super_block *, const uint8_t *, int, |
220 | uint8_t *, int); | |
525e2c56 AG |
221 | extern int udf_put_filename(struct super_block *, const uint8_t *, int, |
222 | uint8_t *, int); | |
e966fc8d JK |
223 | extern int udf_dstrCS0toChar(struct super_block *, uint8_t *, int, |
224 | const uint8_t *, int); | |
1da177e4 LT |
225 | |
226 | /* ialloc.c */ | |
227 | extern void udf_free_inode(struct inode *); | |
0b93a92b | 228 | extern struct inode *udf_new_inode(struct inode *, umode_t); |
1da177e4 LT |
229 | |
230 | /* truncate.c */ | |
74584ae5 | 231 | extern void udf_truncate_tail_extent(struct inode *); |
1da177e4 LT |
232 | extern void udf_discard_prealloc(struct inode *); |
233 | extern void udf_truncate_extents(struct inode *); | |
234 | ||
235 | /* balloc.c */ | |
cb00ea35 | 236 | extern void udf_free_blocks(struct super_block *, struct inode *, |
97e961fd | 237 | struct kernel_lb_addr *, uint32_t, uint32_t); |
cb00ea35 CG |
238 | extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, |
239 | uint32_t, uint32_t); | |
b490bdd6 SM |
240 | extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode, |
241 | uint16_t partition, uint32_t goal, int *err); | |
1da177e4 | 242 | |
1da177e4 | 243 | /* directory.c */ |
cb00ea35 CG |
244 | extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, |
245 | struct udf_fileident_bh *, | |
246 | struct fileIdentDesc *, | |
247 | struct extent_position *, | |
5ca4e4be | 248 | struct kernel_lb_addr *, uint32_t *, |
cb00ea35 CG |
249 | sector_t *); |
250 | extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, | |
251 | int *offset); | |
5ca4e4be PE |
252 | extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); |
253 | extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); | |
1da177e4 | 254 | |
1da177e4 | 255 | /* udftime.c */ |
0220edda | 256 | extern void udf_disk_stamp_to_time(struct timespec *dest, |
5ca4e4be | 257 | struct timestamp src); |
0220edda | 258 | extern void udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src); |
1da177e4 | 259 | |
cb00ea35 | 260 | #endif /* __UDF_DECL_H */ |