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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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>
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#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)\
Marcin Slusarzc0b34432008-02-08 04:20:42 -080027 (UDF_I(inode)->i_use ?\
Linus Torvalds1da177e2005-04-16 15:20:36 -070028 sizeof(struct unallocSpaceEntry) :\
Marcin Slusarzc0b34432008-02-08 04:20:42 -080029 ((UDF_I(inode)->i_efe ?\
Linus Torvalds1da177e2005-04-16 15:20:36 -070030 sizeof(struct extendedFileEntry) :\
Marcin Slusarzc0b34432008-02-08 04:20:42 -080031 sizeof(struct fileEntry)) + UDF_I(inode)->i_lenEAttr))
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
33#define udf_ext0_offset(inode)\
Marcin Slusarzc0b34432008-02-08 04:20:42 -080034 (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB ?\
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 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
Marcin Slusarz3f2587b2008-02-08 04:20:39 -080039/* computes tag checksum */
40u8 udf_tag_checksum(const tag *t);
41
Linus Torvalds1da177e2005-04-16 15:20:36 -070042struct dentry;
43struct inode;
44struct task_struct;
45struct buffer_head;
46struct super_block;
47
Arjan van de Venc5ef1c42007-02-12 00:55:40 -080048extern const struct inode_operations udf_dir_inode_operations;
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080049extern const struct file_operations udf_dir_operations;
Arjan van de Venc5ef1c42007-02-12 00:55:40 -080050extern const struct inode_operations udf_file_inode_operations;
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080051extern const struct file_operations udf_file_operations;
Christoph Hellwigf5e54d62006-06-28 04:26:44 -070052extern const struct address_space_operations udf_aops;
53extern const struct address_space_operations udf_adinicb_aops;
54extern const struct address_space_operations udf_symlink_aops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070056struct udf_fileident_bh {
Linus Torvalds1da177e2005-04-16 15:20:36 -070057 struct buffer_head *sbh;
58 struct buffer_head *ebh;
59 int soffset;
60 int eoffset;
61};
62
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070063struct udf_vds_record {
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 uint32_t block;
65 uint32_t volDescSeqNum;
66};
67
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070068struct generic_desc {
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070069 tag descTag;
70 __le32 volDescSeqNum;
Linus Torvalds1da177e2005-04-16 15:20:36 -070071};
72
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070073struct ustr {
Linus Torvalds1da177e2005-04-16 15:20:36 -070074 uint8_t u_cmpID;
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070075 uint8_t u_name[UDF_NAME_LEN - 2];
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 uint8_t u_len;
77};
78
Jan Karaff116fc2007-05-08 00:35:14 -070079struct extent_position {
80 struct buffer_head *bh;
81 uint32_t offset;
82 kernel_lb_addr block;
83};
84
Linus Torvalds1da177e2005-04-16 15:20:36 -070085/* super.c */
86extern void udf_error(struct super_block *, const char *, const char *, ...);
87extern void udf_warning(struct super_block *, const char *, const char *, ...);
88
89/* namei.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070090extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
91 struct fileIdentDesc *, struct udf_fileident_bh *,
92 uint8_t *, uint8_t *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070093
94/* file.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070095extern int udf_ioctl(struct inode *, struct file *, unsigned int,
96 unsigned long);
Linus Torvalds1da177e2005-04-16 15:20:36 -070097
98/* inode.c */
99extern struct inode *udf_iget(struct super_block *, kernel_lb_addr);
100extern int udf_sync_inode(struct inode *);
101extern void udf_expand_file_adinicb(struct inode *, int, int *);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700102extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
103extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104extern void udf_truncate(struct inode *);
105extern void udf_read_inode(struct inode *);
106extern void udf_delete_inode(struct inode *);
107extern void udf_clear_inode(struct inode *);
108extern int udf_write_inode(struct inode *, int);
Jan Kara60448b12007-05-08 00:35:13 -0700109extern long udf_block_map(struct inode *, sector_t);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700110extern int udf_extend_file(struct inode *, struct extent_position *,
111 kernel_long_ad *, sector_t);
112extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
113 kernel_lb_addr *, uint32_t *, sector_t *);
114extern int8_t udf_add_aext(struct inode *, struct extent_position *,
115 kernel_lb_addr, uint32_t, int);
116extern int8_t udf_write_aext(struct inode *, struct extent_position *,
117 kernel_lb_addr, uint32_t, int);
118extern int8_t udf_delete_aext(struct inode *, struct extent_position,
119 kernel_lb_addr, uint32_t);
120extern int8_t udf_next_aext(struct inode *, struct extent_position *,
121 kernel_lb_addr *, uint32_t *, int);
122extern int8_t udf_current_aext(struct inode *, struct extent_position *,
123 kernel_lb_addr *, uint32_t *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124
125/* misc.c */
126extern struct buffer_head *udf_tgetblk(struct super_block *, int);
127extern struct buffer_head *udf_tread(struct super_block *, int);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700128extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
129 uint32_t, uint8_t);
130extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
131 uint8_t);
132extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
133 uint32_t, uint16_t *);
134extern struct buffer_head *udf_read_ptagged(struct super_block *,
135 kernel_lb_addr, uint32_t,
136 uint16_t *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137extern void udf_update_tag(char *, int);
138extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
139
140/* lowlevel.c */
141extern unsigned int udf_get_last_session(struct super_block *);
142extern unsigned long udf_get_last_block(struct super_block *);
143
144/* partition.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700145extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
146 uint32_t);
147extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
148 uint32_t);
149extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
150 uint32_t);
151extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
152 uint32_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153extern int udf_relocate_blocks(struct super_block *, long, long *);
154
155/* unicode.c */
156extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700157extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
158 int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700159extern int udf_build_ustr(struct ustr *, dstring *, int);
160extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
161
162/* ialloc.c */
163extern void udf_free_inode(struct inode *);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700164extern struct inode *udf_new_inode(struct inode *, int, int *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700165
166/* truncate.c */
Jan Kara74584ae2007-06-16 10:16:14 -0700167extern void udf_truncate_tail_extent(struct inode *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168extern void udf_discard_prealloc(struct inode *);
169extern void udf_truncate_extents(struct inode *);
170
171/* balloc.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700172extern void udf_free_blocks(struct super_block *, struct inode *,
173 kernel_lb_addr, uint32_t, uint32_t);
174extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
175 uint32_t, uint32_t);
176extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
177 uint32_t, int *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178
179/* fsync.c */
180extern int udf_fsync_file(struct file *, struct dentry *, int);
181
182/* directory.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700183extern 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 *);
189extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
190 int *offset);
Marcin Slusarz1ed16172008-02-08 04:20:48 -0800191extern long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int);
192extern short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193
194/* crc.c */
195extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
196
197/* udftime.c */
198extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
199extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
200
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700201#endif /* __UDF_DECL_H */