Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef __LINUX_UDF_SB_H |
2 | #define __LINUX_UDF_SB_H | |
3 | ||
15aebd28 | 4 | #include <linux/mutex.h> |
f2a6cc1f | 5 | #include <linux/bitops.h> |
2a28900b | 6 | #include <linux/magic.h> |
1da177e4 | 7 | |
bfb257a5 | 8 | #define UDF_MAX_READ_VERSION 0x0250 |
1da177e4 LT |
9 | #define UDF_MAX_WRITE_VERSION 0x0201 |
10 | ||
11 | #define UDF_FLAG_USE_EXTENDED_FE 0 | |
12 | #define UDF_VERS_USE_EXTENDED_FE 0x0200 | |
13 | #define UDF_FLAG_USE_STREAMS 1 | |
14 | #define UDF_VERS_USE_STREAMS 0x0200 | |
15 | #define UDF_FLAG_USE_SHORT_AD 2 | |
16 | #define UDF_FLAG_USE_AD_IN_ICB 3 | |
17 | #define UDF_FLAG_USE_FILE_CTIME_EA 4 | |
18 | #define UDF_FLAG_STRICT 5 | |
19 | #define UDF_FLAG_UNDELETE 6 | |
20 | #define UDF_FLAG_UNHIDE 7 | |
21 | #define UDF_FLAG_VARCONV 8 | |
22 | #define UDF_FLAG_NLS_MAP 9 | |
23 | #define UDF_FLAG_UTF8 10 | |
28de7948 CG |
24 | #define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ |
25 | #define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ | |
4d6660eb PS |
26 | #define UDF_FLAG_GID_FORGET 13 |
27 | #define UDF_FLAG_GID_IGNORE 14 | |
ca76d2d8 CG |
28 | #define UDF_FLAG_UID_SET 15 |
29 | #define UDF_FLAG_GID_SET 16 | |
6da80894 MS |
30 | #define UDF_FLAG_SESSION_SET 17 |
31 | #define UDF_FLAG_LASTBLOCK_SET 18 | |
1197e4df | 32 | #define UDF_FLAG_BLOCKSIZE_SET 19 |
1da177e4 LT |
33 | |
34 | #define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001 | |
35 | #define UDF_PART_FLAG_UNALLOC_TABLE 0x0002 | |
36 | #define UDF_PART_FLAG_FREED_BITMAP 0x0004 | |
37 | #define UDF_PART_FLAG_FREED_TABLE 0x0008 | |
38 | #define UDF_PART_FLAG_READ_ONLY 0x0010 | |
39 | #define UDF_PART_FLAG_WRITE_ONCE 0x0020 | |
40 | #define UDF_PART_FLAG_REWRITABLE 0x0040 | |
41 | #define UDF_PART_FLAG_OVERWRITABLE 0x0080 | |
42 | ||
15aebd28 CH |
43 | #define UDF_MAX_BLOCK_LOADED 8 |
44 | ||
45 | #define UDF_TYPE1_MAP15 0x1511U | |
46 | #define UDF_VIRTUAL_MAP15 0x1512U | |
47 | #define UDF_VIRTUAL_MAP20 0x2012U | |
48 | #define UDF_SPARABLE_MAP15 0x1522U | |
bfb257a5 | 49 | #define UDF_METADATA_MAP25 0x2511U |
15aebd28 | 50 | |
faa17292 | 51 | #define UDF_INVALID_MODE ((umode_t)-1) |
87bc730c | 52 | |
15aebd28 CH |
53 | #pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */ |
54 | ||
ed47a7d0 JK |
55 | #define MF_DUPLICATE_MD 0x01 |
56 | #define MF_MIRROR_FE_LOADED 0x02 | |
57 | ||
bfb257a5 JK |
58 | struct udf_meta_data { |
59 | __u32 s_meta_file_loc; | |
60 | __u32 s_mirror_file_loc; | |
61 | __u32 s_bitmap_file_loc; | |
62 | __u32 s_alloc_unit_size; | |
63 | __u16 s_align_unit_size; | |
ed47a7d0 | 64 | int s_flags; |
bfb257a5 JK |
65 | struct inode *s_metadata_fe; |
66 | struct inode *s_mirror_fe; | |
67 | struct inode *s_bitmap_fe; | |
68 | }; | |
69 | ||
15aebd28 CH |
70 | struct udf_sparing_data { |
71 | __u16 s_packet_len; | |
72 | struct buffer_head *s_spar_map[4]; | |
73 | }; | |
74 | ||
75 | struct udf_virtual_data { | |
76 | __u32 s_num_entries; | |
77 | __u16 s_start_offset; | |
78 | }; | |
79 | ||
80 | struct udf_bitmap { | |
15aebd28 | 81 | __u32 s_extPosition; |
89b1f39e | 82 | int s_nr_groups; |
c60305b5 | 83 | struct buffer_head *s_block_bitmap[0]; |
15aebd28 CH |
84 | }; |
85 | ||
86 | struct udf_part_map { | |
87 | union { | |
88 | struct udf_bitmap *s_bitmap; | |
89 | struct inode *s_table; | |
90 | } s_uspace; | |
91 | union { | |
92 | struct udf_bitmap *s_bitmap; | |
93 | struct inode *s_table; | |
94 | } s_fspace; | |
95 | __u32 s_partition_root; | |
96 | __u32 s_partition_len; | |
97 | __u16 s_partition_type; | |
98 | __u16 s_partition_num; | |
99 | union { | |
100 | struct udf_sparing_data s_sparing; | |
101 | struct udf_virtual_data s_virtual; | |
bfb257a5 | 102 | struct udf_meta_data s_metadata; |
15aebd28 CH |
103 | } s_type_specific; |
104 | __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32); | |
105 | __u16 s_volumeseqnum; | |
106 | __u16 s_partition_flags; | |
107 | }; | |
108 | ||
109 | #pragma pack() | |
110 | ||
111 | struct udf_sb_info { | |
112 | struct udf_part_map *s_partmaps; | |
113 | __u8 s_volume_ident[32]; | |
114 | ||
115 | /* Overall info */ | |
116 | __u16 s_partitions; | |
117 | __u16 s_partition; | |
118 | ||
119 | /* Sector headers */ | |
120 | __s32 s_session; | |
40346005 | 121 | __u32 s_anchor; |
15aebd28 CH |
122 | __u32 s_last_block; |
123 | ||
124 | struct buffer_head *s_lvid_bh; | |
125 | ||
126 | /* Default permissions */ | |
faa17292 | 127 | umode_t s_umask; |
c2ba138a EB |
128 | kgid_t s_gid; |
129 | kuid_t s_uid; | |
faa17292 AV |
130 | umode_t s_fmode; |
131 | umode_t s_dmode; | |
c03cad24 JK |
132 | /* Lock protecting consistency of above permission settings */ |
133 | rwlock_t s_cred_lock; | |
15aebd28 CH |
134 | |
135 | /* Root Info */ | |
136 | struct timespec s_record_time; | |
137 | ||
138 | /* Fileset Info */ | |
139 | __u16 s_serial_number; | |
140 | ||
141 | /* highest UDF revision we have recorded to this media */ | |
142 | __u16 s_udfrev; | |
143 | ||
144 | /* Miscellaneous flags */ | |
f2a6cc1f | 145 | unsigned long s_flags; |
15aebd28 CH |
146 | |
147 | /* Encoding info */ | |
148 | struct nls_table *s_nls_map; | |
149 | ||
150 | /* VAT inode */ | |
151 | struct inode *s_vat_inode; | |
152 | ||
153 | struct mutex s_alloc_mutex; | |
146bca72 JK |
154 | /* Protected by s_alloc_mutex */ |
155 | unsigned int s_lvid_dirty; | |
15aebd28 CH |
156 | }; |
157 | ||
1da177e4 LT |
158 | static inline struct udf_sb_info *UDF_SB(struct super_block *sb) |
159 | { | |
160 | return sb->s_fs_info; | |
161 | } | |
162 | ||
69d75671 | 163 | struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb); |
1da177e4 | 164 | |
883cb9d1 MS |
165 | int udf_compute_nr_groups(struct super_block *sb, u32 partition); |
166 | ||
f2a6cc1f JK |
167 | static inline int UDF_QUERY_FLAG(struct super_block *sb, int flag) |
168 | { | |
169 | return test_bit(flag, &UDF_SB(sb)->s_flags); | |
170 | } | |
171 | ||
172 | static inline void UDF_SET_FLAG(struct super_block *sb, int flag) | |
173 | { | |
174 | set_bit(flag, &UDF_SB(sb)->s_flags); | |
175 | } | |
176 | ||
177 | static inline void UDF_CLEAR_FLAG(struct super_block *sb, int flag) | |
178 | { | |
179 | clear_bit(flag, &UDF_SB(sb)->s_flags); | |
180 | } | |
1da177e4 | 181 | |
28de7948 | 182 | #endif /* __LINUX_UDF_SB_H */ |