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
39struct dentry;
40struct inode;
41struct task_struct;
42struct buffer_head;
43struct super_block;
44
45extern const struct inode_operations udf_dir_inode_operations;
46extern const struct file_operations udf_dir_operations;
47extern const struct inode_operations udf_file_inode_operations;
48extern const struct file_operations udf_file_operations;
49extern const struct address_space_operations udf_aops;
50extern const struct address_space_operations udf_adinicb_aops;
51extern const struct address_space_operations udf_symlink_aops;
52
53struct udf_fileident_bh {
54 struct buffer_head *sbh;
55 struct buffer_head *ebh;
56 int soffset;
57 int eoffset;
58};
59
60struct udf_vds_record {
61 uint32_t block;
62 uint32_t volDescSeqNum;
63};
64
65struct generic_desc {
66 tag descTag;
67 __le32 volDescSeqNum;
68};
69
70struct ustr {
71 uint8_t u_cmpID;
72 uint8_t u_name[UDF_NAME_LEN - 2];
73 uint8_t u_len;
74};
75
76struct extent_position {
77 struct buffer_head *bh;
78 uint32_t offset;
79 kernel_lb_addr block;
80};
81
82
83extern void udf_error(struct super_block *, const char *, const char *, ...);
84extern void udf_warning(struct super_block *, const char *, const char *, ...);
85
86
87extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
88 struct fileIdentDesc *, struct udf_fileident_bh *,
89 uint8_t *, uint8_t *);
90
91
92extern int udf_ioctl(struct inode *, struct file *, unsigned int,
93 unsigned long);
94
95
96extern struct inode *udf_iget(struct super_block *, kernel_lb_addr);
97extern int udf_sync_inode(struct inode *);
98extern void udf_expand_file_adinicb(struct inode *, int, int *);
99extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
100extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
101extern void udf_truncate(struct inode *);
102extern void udf_read_inode(struct inode *);
103extern void udf_delete_inode(struct inode *);
104extern void udf_clear_inode(struct inode *);
105extern int udf_write_inode(struct inode *, int);
106extern long udf_block_map(struct inode *, sector_t);
107extern int udf_extend_file(struct inode *, struct extent_position *,
108 kernel_long_ad *, sector_t);
109extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
110 kernel_lb_addr *, uint32_t *, sector_t *);
111extern int8_t udf_add_aext(struct inode *, struct extent_position *,
112 kernel_lb_addr, uint32_t, int);
113extern int8_t udf_write_aext(struct inode *, struct extent_position *,
114 kernel_lb_addr, uint32_t, int);
115extern int8_t udf_delete_aext(struct inode *, struct extent_position,
116 kernel_lb_addr, uint32_t);
117extern int8_t udf_next_aext(struct inode *, struct extent_position *,
118 kernel_lb_addr *, uint32_t *, int);
119extern int8_t udf_current_aext(struct inode *, struct extent_position *,
120 kernel_lb_addr *, uint32_t *, int);
121
122
123extern struct buffer_head *udf_tgetblk(struct super_block *, int);
124extern struct buffer_head *udf_tread(struct super_block *, int);
125extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
126 uint32_t, uint8_t);
127extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
128 uint8_t);
129extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
130 uint32_t, uint16_t *);
131extern struct buffer_head *udf_read_ptagged(struct super_block *,
132 kernel_lb_addr, uint32_t,
133 uint16_t *);
134extern void udf_update_tag(char *, int);
135extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
136
137
138extern unsigned int udf_get_last_session(struct super_block *);
139extern unsigned long udf_get_last_block(struct super_block *);
140
141
142extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
143 uint32_t);
144extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
145 uint32_t);
146extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
147 uint32_t);
148extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
149 uint32_t);
150extern int udf_relocate_blocks(struct super_block *, long, long *);
151
152
153extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
154extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
155 int);
156extern int udf_build_ustr(struct ustr *, dstring *, int);
157extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
158
159
160extern void udf_free_inode(struct inode *);
161extern struct inode *udf_new_inode(struct inode *, int, int *);
162
163
164extern void udf_truncate_tail_extent(struct inode *);
165extern void udf_discard_prealloc(struct inode *);
166extern void udf_truncate_extents(struct inode *);
167
168
169extern void udf_free_blocks(struct super_block *, struct inode *,
170 kernel_lb_addr, uint32_t, uint32_t);
171extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
172 uint32_t, uint32_t);
173extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
174 uint32_t, int *);
175
176
177extern int udf_fsync_file(struct file *, struct dentry *, int);
178
179
180extern 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 *);
186extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
187 int *offset);
188extern long_ad *udf_get_filelongad(uint8_t *, int, int *, int);
189extern short_ad *udf_get_fileshortad(uint8_t *, int, int *, int);
190
191
192extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
193
194
195extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
196extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
197
198#endif
199
