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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 | ||
51 | #define UDF_NAME_PAD 4 | |
9fba7056 AG |
52 | #define UDF_NAME_LEN 254 |
53 | #define UDF_NAME_LEN_CS0 255 | |
1da177e4 | 54 | |
d652eefb | 55 | static inline size_t udf_file_entry_alloc_offset(struct inode *inode) |
56 | { | |
57 | struct udf_inode_info *iinfo = UDF_I(inode); | |
58 | if (iinfo->i_use) | |
59 | return sizeof(struct unallocSpaceEntry); | |
60 | else if (iinfo->i_efe) | |
61 | return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr; | |
62 | else | |
63 | return sizeof(struct fileEntry) + iinfo->i_lenEAttr; | |
64 | } | |
65 | ||
66 | static inline size_t udf_ext0_offset(struct inode *inode) | |
67 | { | |
68 | if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) | |
69 | return udf_file_entry_alloc_offset(inode); | |
70 | else | |
71 | return 0; | |
72 | } | |
1da177e4 | 73 | |
3f2587bb | 74 | /* computes tag checksum */ |
5ca4e4be | 75 | u8 udf_tag_checksum(const struct tag *t); |
3f2587bb | 76 | |
1da177e4 LT |
77 | struct dentry; |
78 | struct inode; | |
79 | struct task_struct; | |
80 | struct buffer_head; | |
81 | struct super_block; | |
82 | ||
221e583a | 83 | extern const struct export_operations udf_export_ops; |
c5ef1c42 | 84 | extern const struct inode_operations udf_dir_inode_operations; |
4b6f5d20 | 85 | extern const struct file_operations udf_dir_operations; |
c5ef1c42 | 86 | extern const struct inode_operations udf_file_inode_operations; |
4b6f5d20 | 87 | extern const struct file_operations udf_file_operations; |
ad4d0532 | 88 | extern const struct inode_operations udf_symlink_inode_operations; |
f5e54d6e CH |
89 | extern const struct address_space_operations udf_aops; |
90 | extern const struct address_space_operations udf_adinicb_aops; | |
91 | extern const struct address_space_operations udf_symlink_aops; | |
1da177e4 | 92 | |
cb00ea35 | 93 | struct udf_fileident_bh { |
1da177e4 LT |
94 | struct buffer_head *sbh; |
95 | struct buffer_head *ebh; | |
96 | int soffset; | |
97 | int eoffset; | |
98 | }; | |
99 | ||
cb00ea35 | 100 | struct udf_vds_record { |
1da177e4 LT |
101 | uint32_t block; |
102 | uint32_t volDescSeqNum; | |
103 | }; | |
104 | ||
cb00ea35 | 105 | struct generic_desc { |
5ca4e4be | 106 | struct tag descTag; |
28de7948 | 107 | __le32 volDescSeqNum; |
1da177e4 LT |
108 | }; |
109 | ||
ff116fc8 | 110 | |
1da177e4 | 111 | /* super.c */ |
fab3c858 | 112 | |
146bca72 JK |
113 | static inline void udf_updated_lvid(struct super_block *sb) |
114 | { | |
115 | struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh; | |
116 | ||
117 | BUG_ON(!bh); | |
118 | WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) | |
119 | bh->b_data)->integrityType != | |
120 | cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); | |
146bca72 JK |
121 | UDF_SB(sb)->s_lvid_dirty = 1; |
122 | } | |
d664b6af | 123 | extern u64 lvid_get_unique_id(struct super_block *sb); |
3080a74e NJ |
124 | struct inode *udf_find_metadata_inode_efe(struct super_block *sb, |
125 | u32 meta_file_loc, u32 partition_num); | |
1da177e4 LT |
126 | |
127 | /* namei.c */ | |
cb00ea35 CG |
128 | extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, |
129 | struct fileIdentDesc *, struct udf_fileident_bh *, | |
130 | uint8_t *, uint8_t *); | |
1da177e4 LT |
131 | |
132 | /* file.c */ | |
2f07a88b | 133 | extern long udf_ioctl(struct file *, unsigned int, unsigned long); |
1da177e4 | 134 | /* inode.c */ |
6174c2eb JK |
135 | extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *, |
136 | bool hidden_inode); | |
137 | static inline struct inode *udf_iget_special(struct super_block *sb, | |
138 | struct kernel_lb_addr *ino) | |
139 | { | |
140 | return __udf_iget(sb, ino, true); | |
141 | } | |
142 | static inline struct inode *udf_iget(struct super_block *sb, | |
143 | struct kernel_lb_addr *ino) | |
144 | { | |
145 | return __udf_iget(sb, ino, false); | |
146 | } | |
7e49b6f2 | 147 | extern int udf_expand_file_adinicb(struct inode *); |
cb00ea35 CG |
148 | extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *); |
149 | extern struct buffer_head *udf_bread(struct inode *, int, int, int *); | |
7e49b6f2 | 150 | extern int udf_setsize(struct inode *, loff_t); |
3aac2b62 | 151 | extern void udf_evict_inode(struct inode *); |
a9185b41 | 152 | extern int udf_write_inode(struct inode *, struct writeback_control *wbc); |
60448b1d | 153 | extern long udf_block_map(struct inode *, sector_t); |
cb00ea35 | 154 | extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, |
5ca4e4be | 155 | struct kernel_lb_addr *, uint32_t *, sector_t *); |
fcea62ba JK |
156 | extern int udf_setup_indirect_aext(struct inode *inode, int block, |
157 | struct extent_position *epos); | |
158 | extern int __udf_add_aext(struct inode *inode, struct extent_position *epos, | |
159 | struct kernel_lb_addr *eloc, uint32_t elen, int inc); | |
7e49b6f2 JK |
160 | extern int udf_add_aext(struct inode *, struct extent_position *, |
161 | struct kernel_lb_addr *, uint32_t, int); | |
162 | extern void udf_write_aext(struct inode *, struct extent_position *, | |
97e961fd | 163 | struct kernel_lb_addr *, uint32_t, int); |
cb00ea35 | 164 | extern int8_t udf_delete_aext(struct inode *, struct extent_position, |
5ca4e4be | 165 | struct kernel_lb_addr, uint32_t); |
cb00ea35 | 166 | extern int8_t udf_next_aext(struct inode *, struct extent_position *, |
5ca4e4be | 167 | struct kernel_lb_addr *, uint32_t *, int); |
cb00ea35 | 168 | extern int8_t udf_current_aext(struct inode *, struct extent_position *, |
5ca4e4be | 169 | struct kernel_lb_addr *, uint32_t *, int); |
1da177e4 LT |
170 | |
171 | /* misc.c */ | |
172 | extern struct buffer_head *udf_tgetblk(struct super_block *, int); | |
173 | extern struct buffer_head *udf_tread(struct super_block *, int); | |
cb00ea35 CG |
174 | extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, |
175 | uint32_t, uint8_t); | |
176 | extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, | |
177 | uint8_t); | |
178 | extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, | |
179 | uint32_t, uint16_t *); | |
180 | extern struct buffer_head *udf_read_ptagged(struct super_block *, | |
97e961fd | 181 | struct kernel_lb_addr *, uint32_t, |
cb00ea35 | 182 | uint16_t *); |
1da177e4 LT |
183 | extern void udf_update_tag(char *, int); |
184 | extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); | |
185 | ||
186 | /* lowlevel.c */ | |
187 | extern unsigned int udf_get_last_session(struct super_block *); | |
188 | extern unsigned long udf_get_last_block(struct super_block *); | |
189 | ||
190 | /* partition.c */ | |
cb00ea35 CG |
191 | extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, |
192 | uint32_t); | |
193 | extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, | |
194 | uint32_t); | |
195 | extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, | |
196 | uint32_t); | |
197 | extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, | |
198 | uint32_t); | |
bfb257a5 JK |
199 | extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t, |
200 | uint32_t); | |
1da177e4 LT |
201 | extern int udf_relocate_blocks(struct super_block *, long, long *); |
202 | ||
97e961fd PE |
203 | static inline uint32_t |
204 | udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc, | |
205 | uint32_t offset) | |
206 | { | |
207 | return udf_get_pblock(sb, loc->logicalBlockNum, | |
208 | loc->partitionReferenceNum, offset); | |
209 | } | |
210 | ||
1da177e4 | 211 | /* unicode.c */ |
9293fcfb AG |
212 | extern int udf_get_filename(struct super_block *, const uint8_t *, int, |
213 | uint8_t *, int); | |
525e2c56 AG |
214 | extern int udf_put_filename(struct super_block *, const uint8_t *, int, |
215 | uint8_t *, int); | |
c26f6c61 | 216 | extern int udf_dstrCS0toUTF8(uint8_t *, int, const uint8_t *, int); |
1da177e4 LT |
217 | |
218 | /* ialloc.c */ | |
219 | extern void udf_free_inode(struct inode *); | |
0b93a92b | 220 | extern struct inode *udf_new_inode(struct inode *, umode_t); |
1da177e4 LT |
221 | |
222 | /* truncate.c */ | |
74584ae5 | 223 | extern void udf_truncate_tail_extent(struct inode *); |
1da177e4 LT |
224 | extern void udf_discard_prealloc(struct inode *); |
225 | extern void udf_truncate_extents(struct inode *); | |
226 | ||
227 | /* balloc.c */ | |
cb00ea35 | 228 | extern void udf_free_blocks(struct super_block *, struct inode *, |
97e961fd | 229 | struct kernel_lb_addr *, uint32_t, uint32_t); |
cb00ea35 CG |
230 | extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, |
231 | uint32_t, uint32_t); | |
232 | extern int udf_new_block(struct super_block *, struct inode *, uint16_t, | |
233 | uint32_t, int *); | |
1da177e4 | 234 | |
1da177e4 | 235 | /* directory.c */ |
cb00ea35 CG |
236 | extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, |
237 | struct udf_fileident_bh *, | |
238 | struct fileIdentDesc *, | |
239 | struct extent_position *, | |
5ca4e4be | 240 | struct kernel_lb_addr *, uint32_t *, |
cb00ea35 CG |
241 | sector_t *); |
242 | extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, | |
243 | int *offset); | |
5ca4e4be PE |
244 | extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); |
245 | extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); | |
1da177e4 | 246 | |
1da177e4 | 247 | /* udftime.c */ |
56774805 | 248 | extern struct timespec *udf_disk_stamp_to_time(struct timespec *dest, |
5ca4e4be PE |
249 | struct timestamp src); |
250 | extern struct timestamp *udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src); | |
1da177e4 | 251 | |
cb00ea35 | 252 | #endif /* __UDF_DECL_H */ |