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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __UDF_DECL_H
2#define __UDF_DECL_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004#include "ecma_167.h"
5#include "osta_udf.h"
6
7#include <linux/fs.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07008#include <linux/types.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#include <linux/buffer_head.h>
Christoph Hellwig15aebd22008-02-22 12:39:12 +010010#include <linux/udf_fs_i.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070011
Christoph Hellwig15aebd22008-02-22 12:39:12 +010012#include "udf_sb.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070013#include "udfend.h"
marcin.slusarz@gmail.comd652eef2008-01-30 22:03:59 +010014#include "udf_i.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070015
Christoph Hellwig15aebd22008-02-22 12:39:12 +010016#define UDF_PREALLOCATE
17#define UDF_DEFAULT_PREALLOC_BLOCKS 8
18
19#undef UDFFS_DEBUG
20
21#ifdef UDFFS_DEBUG
22#define udf_debug(f, a...) \
23do { \
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070036#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
marcin.slusarz@gmail.comd652eef2008-01-30 22:03:59 +010046static 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}
Linus Torvalds1da177e2005-04-16 15:20:36 -070056
marcin.slusarz@gmail.comd652eef2008-01-30 22:03:59 +010057static 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}
Linus Torvalds1da177e2005-04-16 15:20:36 -070064
65#define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset))
66
Marcin Slusarz3f2587b2008-02-08 04:20:39 -080067/* computes tag checksum */
68u8 udf_tag_checksum(const tag *t);
69
Linus Torvalds1da177e2005-04-16 15:20:36 -070070struct dentry;
71struct inode;
72struct task_struct;
73struct buffer_head;
74struct super_block;
75
Arjan van de Venc5ef1c42007-02-12 00:55:40 -080076extern const struct inode_operations udf_dir_inode_operations;
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080077extern const struct file_operations udf_dir_operations;
Arjan van de Venc5ef1c42007-02-12 00:55:40 -080078extern const struct inode_operations udf_file_inode_operations;
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080079extern const struct file_operations udf_file_operations;
Christoph Hellwigf5e54d62006-06-28 04:26:44 -070080extern const struct address_space_operations udf_aops;
81extern const struct address_space_operations udf_adinicb_aops;
82extern const struct address_space_operations udf_symlink_aops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070084struct udf_fileident_bh {
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 struct buffer_head *sbh;
86 struct buffer_head *ebh;
87 int soffset;
88 int eoffset;
89};
90
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070091struct udf_vds_record {
Linus Torvalds1da177e2005-04-16 15:20:36 -070092 uint32_t block;
93 uint32_t volDescSeqNum;
94};
95
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -070096struct generic_desc {
Cyrill Gorcunov28de7942007-07-21 04:37:18 -070097 tag descTag;
98 __le32 volDescSeqNum;
Linus Torvalds1da177e2005-04-16 15:20:36 -070099};
100
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700101struct ustr {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102 uint8_t u_cmpID;
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700103 uint8_t u_name[UDF_NAME_LEN - 2];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104 uint8_t u_len;
105};
106
Jan Karaff116fc2007-05-08 00:35:14 -0700107struct extent_position {
108 struct buffer_head *bh;
109 uint32_t offset;
110 kernel_lb_addr block;
111};
112
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113/* super.c */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114extern void udf_warning(struct super_block *, const char *, const char *, ...);
115
116/* namei.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700117extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
118 struct fileIdentDesc *, struct udf_fileident_bh *,
119 uint8_t *, uint8_t *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120
121/* file.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700122extern int udf_ioctl(struct inode *, struct file *, unsigned int,
123 unsigned long);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124
125/* inode.c */
126extern struct inode *udf_iget(struct super_block *, kernel_lb_addr);
127extern int udf_sync_inode(struct inode *);
128extern void udf_expand_file_adinicb(struct inode *, int, int *);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700129extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
130extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131extern void udf_truncate(struct inode *);
132extern void udf_read_inode(struct inode *);
133extern void udf_delete_inode(struct inode *);
134extern void udf_clear_inode(struct inode *);
135extern int udf_write_inode(struct inode *, int);
Jan Kara60448b12007-05-08 00:35:13 -0700136extern long udf_block_map(struct inode *, sector_t);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700137extern int udf_extend_file(struct inode *, struct extent_position *,
138 kernel_long_ad *, sector_t);
139extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
140 kernel_lb_addr *, uint32_t *, sector_t *);
141extern int8_t udf_add_aext(struct inode *, struct extent_position *,
142 kernel_lb_addr, uint32_t, int);
143extern int8_t udf_write_aext(struct inode *, struct extent_position *,
144 kernel_lb_addr, uint32_t, int);
145extern int8_t udf_delete_aext(struct inode *, struct extent_position,
146 kernel_lb_addr, uint32_t);
147extern int8_t udf_next_aext(struct inode *, struct extent_position *,
148 kernel_lb_addr *, uint32_t *, int);
149extern int8_t udf_current_aext(struct inode *, struct extent_position *,
150 kernel_lb_addr *, uint32_t *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700151
152/* misc.c */
153extern struct buffer_head *udf_tgetblk(struct super_block *, int);
154extern struct buffer_head *udf_tread(struct super_block *, int);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700155extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
156 uint32_t, uint8_t);
157extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
158 uint8_t);
159extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
160 uint32_t, uint16_t *);
161extern struct buffer_head *udf_read_ptagged(struct super_block *,
162 kernel_lb_addr, uint32_t,
163 uint16_t *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164extern void udf_update_tag(char *, int);
165extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
166
167/* lowlevel.c */
168extern unsigned int udf_get_last_session(struct super_block *);
169extern unsigned long udf_get_last_block(struct super_block *);
170
171/* partition.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700172extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
173 uint32_t);
174extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
175 uint32_t);
176extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
177 uint32_t);
178extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
179 uint32_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180extern int udf_relocate_blocks(struct super_block *, long, long *);
181
182/* unicode.c */
183extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700184extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
185 int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186extern int udf_build_ustr(struct ustr *, dstring *, int);
marcin.slusarz@gmail.com79cfe0f2008-01-30 22:03:51 +0100187extern int udf_CS0toUTF8(struct ustr *, const struct ustr *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700188
189/* ialloc.c */
190extern void udf_free_inode(struct inode *);
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700191extern struct inode *udf_new_inode(struct inode *, int, int *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700192
193/* truncate.c */
Jan Kara74584ae2007-06-16 10:16:14 -0700194extern void udf_truncate_tail_extent(struct inode *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195extern void udf_discard_prealloc(struct inode *);
196extern void udf_truncate_extents(struct inode *);
197
198/* balloc.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700199extern void udf_free_blocks(struct super_block *, struct inode *,
200 kernel_lb_addr, uint32_t, uint32_t);
201extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
202 uint32_t, uint32_t);
203extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
204 uint32_t, int *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205
206/* fsync.c */
207extern int udf_fsync_file(struct file *, struct dentry *, int);
208
209/* directory.c */
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700210extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,
211 struct udf_fileident_bh *,
212 struct fileIdentDesc *,
213 struct extent_position *,
214 kernel_lb_addr *, uint32_t *,
215 sector_t *);
216extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
217 int *offset);
Marcin Slusarz1ed16172008-02-08 04:20:48 -0800218extern long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int);
219extern short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220
221/* crc.c */
marcin.slusarz@gmail.comc8ed8372008-02-27 22:38:38 +0100222extern uint16_t udf_crc(const uint8_t *, uint32_t, uint16_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223
224/* udftime.c */
225extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
226extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
227
Cyrill Gorcunovcb00ea32007-07-19 01:47:43 -0700228#endif /* __UDF_DECL_H */