xref: /linux/fs/udf/udfdecl.h (revision f3d9478b2ce468c3115b02ecae7e975990697f15)
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 #include <linux/udf_fs_i.h>
12 #include <linux/udf_fs_sb.h>
13 #include <linux/buffer_head.h>
14 
15 #include "udfend.h"
16 
17 #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) )
18 #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) )
19 
20 #define UDF_EXTENT_LENGTH_MASK	0x3FFFFFFF
21 #define UDF_EXTENT_FLAG_MASK	0xC0000000
22 
23 #define UDF_NAME_PAD		4
24 #define UDF_NAME_LEN		256
25 #define UDF_PATH_LEN		1023
26 
27 #define udf_file_entry_alloc_offset(inode)\
28 	(UDF_I_USE(inode) ?\
29 		sizeof(struct unallocSpaceEntry) :\
30 		((UDF_I_EFE(inode) ?\
31 			sizeof(struct extendedFileEntry) :\
32 			sizeof(struct fileEntry)) + UDF_I_LENEATTR(inode)))
33 
34 #define udf_ext0_offset(inode)\
35 	(UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB ?\
36 		udf_file_entry_alloc_offset(inode) : 0)
37 
38 #define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset))
39 
40 struct dentry;
41 struct inode;
42 struct task_struct;
43 struct buffer_head;
44 struct super_block;
45 
46 extern struct inode_operations udf_dir_inode_operations;
47 extern const struct file_operations udf_dir_operations;
48 extern struct inode_operations udf_file_inode_operations;
49 extern const struct file_operations udf_file_operations;
50 extern struct address_space_operations udf_aops;
51 extern struct address_space_operations udf_adinicb_aops;
52 extern struct address_space_operations udf_symlink_aops;
53 
54 struct udf_fileident_bh
55 {
56 	struct buffer_head *sbh;
57 	struct buffer_head *ebh;
58 	int soffset;
59 	int eoffset;
60 };
61 
62 struct udf_vds_record
63 {
64 	uint32_t block;
65 	uint32_t volDescSeqNum;
66 };
67 
68 struct generic_desc
69 {
70 	tag		descTag;
71 	__le32		volDescSeqNum;
72 };
73 
74 struct ustr
75 {
76 	uint8_t u_cmpID;
77 	uint8_t u_name[UDF_NAME_LEN-2];
78 	uint8_t u_len;
79 };
80 
81 /* super.c */
82 extern void udf_error(struct super_block *, const char *, const char *, ...);
83 extern void udf_warning(struct super_block *, const char *, const char *, ...);
84 
85 /* namei.c */
86 extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, struct fileIdentDesc *, struct udf_fileident_bh *, uint8_t *, uint8_t *);
87 
88 /* file.c */
89 extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
90 
91 /* inode.c */
92 extern struct inode *udf_iget(struct super_block *, kernel_lb_addr);
93 extern int udf_sync_inode(struct inode *);
94 extern void udf_expand_file_adinicb(struct inode *, int, int *);
95 extern struct buffer_head * udf_expand_dir_adinicb(struct inode *, int *, int *);
96 extern struct buffer_head * udf_bread(struct inode *, int, int, int *);
97 extern void udf_truncate(struct inode *);
98 extern void udf_read_inode(struct inode *);
99 extern void udf_delete_inode(struct inode *);
100 extern void udf_clear_inode(struct inode *);
101 extern int udf_write_inode(struct inode *, int);
102 extern long udf_block_map(struct inode *, long);
103 extern int8_t inode_bmap(struct inode *, int, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **);
104 extern int8_t udf_add_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr, uint32_t, struct buffer_head **, int);
105 extern int8_t udf_write_aext(struct inode *, kernel_lb_addr, int *, kernel_lb_addr, uint32_t, struct buffer_head *, int);
106 extern int8_t udf_delete_aext(struct inode *, kernel_lb_addr, int, kernel_lb_addr, uint32_t, struct buffer_head *);
107 extern int8_t udf_next_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int);
108 extern int8_t udf_current_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int);
109 
110 /* misc.c */
111 extern struct buffer_head *udf_tgetblk(struct super_block *, int);
112 extern struct buffer_head *udf_tread(struct super_block *, int);
113 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint32_t, uint8_t);
114 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t);
115 extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *);
116 extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *);
117 extern void udf_release_data(struct buffer_head *);
118 extern void udf_update_tag(char *, int);
119 extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
120 
121 /* lowlevel.c */
122 extern unsigned int udf_get_last_session(struct super_block *);
123 extern unsigned long udf_get_last_block(struct super_block *);
124 
125 /* partition.c */
126 extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, uint32_t);
127 extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, uint32_t);
128 extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, uint32_t);
129 extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, uint32_t);
130 extern int udf_relocate_blocks(struct super_block *, long, long *);
131 
132 /* unicode.c */
133 extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
134 extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, int);
135 extern int udf_build_ustr(struct ustr *, dstring *, int);
136 extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
137 
138 /* ialloc.c */
139 extern void udf_free_inode(struct inode *);
140 extern struct inode * udf_new_inode (struct inode *, int, int *);
141 
142 /* truncate.c */
143 extern void udf_discard_prealloc(struct inode *);
144 extern void udf_truncate_extents(struct inode *);
145 
146 /* balloc.c */
147 extern void udf_free_blocks(struct super_block *, struct inode *, kernel_lb_addr, uint32_t, uint32_t);
148 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, uint32_t, uint32_t);
149 extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *);
150 
151 /* fsync.c */
152 extern int udf_fsync_file(struct file *, struct dentry *, int);
153 
154 /* directory.c */
155 extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **);
156 extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset);
157 extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int);
158 extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int);
159 
160 /* crc.c */
161 extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
162 
163 /* udftime.c */
164 extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
165 extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
166 
167 #endif /* __UDF_DECL_H */
168