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/config.h>
10 #include <linux/types.h>
11 
12 #ifndef LINUX_VERSION_CODE
13 #include <linux/version.h>
14 #endif
15 
16 #if !defined(CONFIG_UDF_FS) && !defined(CONFIG_UDF_FS_MODULE)
17 #define CONFIG_UDF_FS_MODULE
18 #include <linux/udf_fs_i.h>
19 #include <linux/udf_fs_sb.h>
20 #endif
21 
22 #include "udfend.h"
23 
24 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
25 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
26 
27 #define UDF_EXTENT_LENGTH_MASK	0x3FFFFFFF
28 #define UDF_EXTENT_FLAG_MASK	0xC0000000
29 
30 #define UDF_NAME_PAD		4
31 #define UDF_NAME_LEN		255
32 #define UDF_PATH_LEN		1023
33 
34 #define CURRENT_UTIME	(xtime.tv_usec)
35 
36 #define udf_file_entry_alloc_offset(inode)\
37 	((UDF_I_EXTENDED_FE(inode) ?\
38 		sizeof(struct extendedFileEntry) :\
39 		sizeof(struct fileEntry)) + UDF_I_LENEATTR(inode))
40 
41 #define udf_ext0_offset(inode)\
42 	(UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB ?\
43 		udf_file_entry_alloc_offset(inode) : 0)
44 
45 #define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset))
46 
47 struct dentry;
48 struct inode;
49 struct task_struct;
50 struct buffer_head;
51 struct super_block;
52 
53 extern struct inode_operations udf_dir_inode_operations;
54 extern struct file_operations udf_dir_operations;
55 extern struct inode_operations udf_file_inode_operations;
56 extern struct file_operations udf_file_operations;
57 extern struct address_space_operations udf_aops;
58 extern struct address_space_operations udf_adinicb_aops;
59 extern struct address_space_operations udf_symlink_aops;
60 
61 struct udf_fileident_bh
62 {
63 	struct buffer_head *sbh;
64 	struct buffer_head *ebh;
65 	int soffset;
66 	int eoffset;
67 };
68 
69 struct udf_directory_record
70 {
71 	uint32_t	d_parent;
72 	uint32_t	d_inode;
73 	uint32_t	d_name[255];
74 };
75 
76 struct udf_vds_record
77 {
78 	uint32_t block;
79 	uint32_t volDescSeqNum;
80 };
81 
82 struct generic_desc
83 {
84 	tag		descTag;
85 	uint32_t	volDescSeqNum;
86 };
87 
88 struct ustr
89 {
90 	uint8_t u_cmpID;
91 	uint8_t u_name[UDF_NAME_LEN];
92 	uint8_t u_len;
93 };
94 
95 /* super.c */
96 extern void udf_error(struct super_block *, const char *, const char *, ...);
97 extern void udf_warning(struct super_block *, const char *, const char *, ...);
98 
99 /* namei.c */
100 extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, struct fileIdentDesc *, struct udf_fileident_bh *, uint8_t *, uint8_t *);
101 
102 /* file.c */
103 extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
104 
105 /* inode.c */
106 extern struct inode *udf_iget(struct super_block *, lb_addr);
107 extern int udf_sync_inode(struct inode *);
108 extern void udf_expand_file_adinicb(struct inode *, int, int *);
109 extern struct buffer_head * udf_expand_dir_adinicb(struct inode *, int *, int *);
110 extern struct buffer_head * udf_getblk(struct inode *, long, int, int *);
111 extern struct buffer_head * udf_bread(struct inode *, int, int, int *);
112 extern void udf_truncate(struct inode *);
113 extern void udf_read_inode(struct inode *);
114 extern void udf_put_inode(struct inode *);
115 extern void udf_delete_inode(struct inode *);
116 extern void udf_write_inode(struct inode *, int);
117 extern long udf_block_map(struct inode *, long);
118 extern int8_t inode_bmap(struct inode *, int, lb_addr *, uint32_t *, lb_addr *, uint32_t *, uint32_t *, struct buffer_head **);
119 extern int8_t udf_add_aext(struct inode *, lb_addr *, int *, lb_addr, uint32_t, struct buffer_head **, int);
120 extern int8_t udf_write_aext(struct inode *, lb_addr, int *, lb_addr, uint32_t, struct buffer_head *, int);
121 extern int8_t udf_insert_aext(struct inode *, lb_addr, int, lb_addr, uint32_t, struct buffer_head *);
122 extern int8_t udf_delete_aext(struct inode *, lb_addr, int, lb_addr, uint32_t, struct buffer_head *);
123 extern int8_t udf_next_aext(struct inode *, lb_addr *, int *, lb_addr *, uint32_t *, struct buffer_head **, int);
124 extern int8_t udf_current_aext(struct inode *, lb_addr *, int *, lb_addr *, uint32_t *, struct buffer_head **, int);
125 extern void udf_discard_prealloc(struct inode *);
126 
127 /* misc.c */
128 extern int udf_read_tagged_data(char *, int size, int fd, int block, int partref);
129 extern struct buffer_head *udf_tgetblk(struct super_block *, int);
130 extern struct buffer_head *udf_tread(struct super_block *, int);
131 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint32_t, uint8_t, struct buffer_head **);
132 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t, struct buffer_head **);
133 extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *);
134 extern struct buffer_head *udf_read_ptagged(struct super_block *, lb_addr, uint32_t, uint16_t *);
135 extern void udf_release_data(struct buffer_head *);
136 
137 /* lowlevel.c */
138 extern unsigned int udf_get_last_session(struct super_block *);
139 extern unsigned long udf_get_last_block(struct super_block *);
140 
141 /* partition.c */
142 extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, uint32_t);
143 extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, uint32_t);
144 extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, uint32_t);
145 extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, uint32_t);
146 extern int udf_relocate_blocks(struct super_block *, long, long *);
147 
148 /* unicode.c */
149 extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
150 
151 /* ialloc.c */
152 extern void udf_free_inode(struct inode *);
153 extern struct inode * udf_new_inode (struct inode *, int, int *);
154 
155 /* truncate.c */
156 extern void udf_truncate_extents(struct inode *);
157 
158 /* balloc.c */
159 extern void udf_free_blocks(struct super_block *, struct inode *, lb_addr, uint32_t, uint32_t);
160 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, uint32_t, uint32_t);
161 extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *);
162 
163 /* fsync.c */
164 extern int udf_fsync_file(struct file *, struct dentry *, int);
165 extern int udf_fsync_inode(struct inode *, int);
166 
167 /* directory.c */
168 extern uint8_t * udf_filead_read(struct inode *, uint8_t *, uint8_t, lb_addr, int *, int *, struct buffer_head **, int *);
169 extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, lb_addr *, uint32_t *, lb_addr *, uint32_t *, uint32_t *, struct buffer_head **);
170 
171 /* unicode.c */
172 extern int udf_ustr_to_dchars(uint8_t *, const struct ustr *, int);
173 extern int udf_ustr_to_char(uint8_t *, const struct ustr *, int);
174 extern int udf_ustr_to_dstring(dstring *, const struct ustr *, int);
175 extern int udf_dchars_to_ustr(struct ustr *, const uint8_t *, int);
176 extern int udf_char_to_ustr(struct ustr *, const uint8_t *, int);
177 extern int udf_dstring_to_ustr(struct ustr *, const dstring *, int);
178 extern int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int);
179 extern int udf_build_ustr(struct ustr *, dstring *, int);
180 extern int udf_build_ustr_exact(struct ustr *, dstring *, int);
181 extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
182 extern int udf_UTF8toCS0(dstring *, struct ustr *, int);
183 extern int udf_CS0toNLS(struct nls_table *, struct ustr *, struct ustr *);
184 extern int udf_NLStoCS0(struct nls_table *, dstring *, struct ustr *, int);
185 
186 /* crc.c */
187 extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
188 
189 /* misc.c */
190 extern uint32_t udf64_low32(uint64_t);
191 extern uint32_t udf64_high32(uint64_t);
192 extern void udf_update_tag(char *, int);
193 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
194 
195 /* udftime.c */
196 extern time_t *udf_stamp_to_time(time_t *, long *, timestamp);
197 extern timestamp *udf_time_to_stamp(timestamp *, time_t, long);
198 
199 /* directory.c */
200 extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset);
201 extern extent_ad * udf_get_fileextent(void * buffer, int bufsize, int * offset);
202 extern long_ad * udf_get_filelongad(void * buffer, int bufsize, int * offset, int);
203 extern short_ad * udf_get_fileshortad(void * buffer, int bufsize, int * offset, int);
204 extern uint8_t * udf_get_filead(struct fileEntry *, uint8_t *, int, int, int, int *);
205 
206 #endif /* __UDF_DECL_H */
207