1 #ifndef __LINUX_UDF_SB_H
2 #define __LINUX_UDF_SB_H
4 /* Since UDF 2.01 is ISO 13346 based... */
5 #define UDF_SUPER_MAGIC 0x15013346
7 #define UDF_MAX_READ_VERSION 0x0201
8 #define UDF_MAX_WRITE_VERSION 0x0201
10 #define UDF_FLAG_USE_EXTENDED_FE 0
11 #define UDF_VERS_USE_EXTENDED_FE 0x0200
12 #define UDF_FLAG_USE_STREAMS 1
13 #define UDF_VERS_USE_STREAMS 0x0200
14 #define UDF_FLAG_USE_SHORT_AD 2
15 #define UDF_FLAG_USE_AD_IN_ICB 3
16 #define UDF_FLAG_USE_FILE_CTIME_EA 4
17 #define UDF_FLAG_STRICT 5
18 #define UDF_FLAG_UNDELETE 6
19 #define UDF_FLAG_UNHIDE 7
20 #define UDF_FLAG_VARCONV 8
21 #define UDF_FLAG_NLS_MAP 9
22 #define UDF_FLAG_UTF8 10
24 #define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001
25 #define UDF_PART_FLAG_UNALLOC_TABLE 0x0002
26 #define UDF_PART_FLAG_FREED_BITMAP 0x0004
27 #define UDF_PART_FLAG_FREED_TABLE 0x0008
28 #define UDF_PART_FLAG_READ_ONLY 0x0010
29 #define UDF_PART_FLAG_WRITE_ONCE 0x0020
30 #define UDF_PART_FLAG_REWRITABLE 0x0040
31 #define UDF_PART_FLAG_OVERWRITABLE 0x0080
33 #define UDF_SB_FREE(X)\
37 if (UDF_SB_PARTMAPS(X))\
38 kfree(UDF_SB_PARTMAPS(X));\
39 UDF_SB_PARTMAPS(X) = NULL;\
42 #define UDF_SB(X) (&((X)->u.udf_sb))
44 #define UDF_SB_ALLOC_PARTMAPS(X,Y)\
46 UDF_SB_PARTMAPS(X) = kmalloc(sizeof(struct udf_part_map) * Y, GFP_KERNEL);\
47 if (UDF_SB_PARTMAPS(X) != NULL)\
49 UDF_SB_NUMPARTS(X) = Y;\
50 memset(UDF_SB_PARTMAPS(X), 0x00, sizeof(struct udf_part_map) * Y);\
54 UDF_SB_NUMPARTS(X) = 0;\
55 udf_error(X, __FUNCTION__, "Unable to allocate space for %d partition maps", Y);\
59 #define UDF_SB_ALLOC_BITMAP(X,Y,Z)\
61 int nr_groups = ((UDF_SB_PARTLEN((X),(Y)) + (sizeof(struct spaceBitmapDesc) << 3) +\
62 ((X)->s_blocksize * 8) - 1) / ((X)->s_blocksize * 8));\
63 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap = kmalloc(sizeof(struct udf_bitmap) +\
64 sizeof(struct buffer_head *) * nr_groups,\
66 if (UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap != NULL)\
68 memset(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap, 0x00,\
69 sizeof(struct udf_bitmap) + sizeof(struct buffer_head *) * nr_groups);\
70 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap =\
71 (struct buffer_head **)(UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap + 1);\
72 UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups = nr_groups;\
76 udf_error(X, __FUNCTION__, "Unable to allocate space for bitmap and %d buffer_head pointers", nr_groups);\
81 #define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) )
82 #define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) )
83 #define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) )
85 #define UDF_UPDATE_UDFREV(X,Y) ( ((Y) > UDF_SB_UDFREV(X)) ? UDF_SB_UDFREV(X) = (Y) : UDF_SB_UDFREV(X) )
87 #define UDF_SB_PARTMAPS(X) ( UDF_SB(X)->s_partmaps )
88 #define UDF_SB_PARTTYPE(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_type )
89 #define UDF_SB_PARTROOT(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_root )
90 #define UDF_SB_PARTLEN(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_len )
91 #define UDF_SB_PARTVSN(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_volumeseqnum )
92 #define UDF_SB_PARTNUM(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_num )
93 #define UDF_SB_TYPESPAR(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_type_specific.s_sparing )
94 #define UDF_SB_TYPEVIRT(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_type_specific.s_virtual )
95 #define UDF_SB_PARTFUNC(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_func )
96 #define UDF_SB_PARTFLAGS(X,Y) ( UDF_SB_PARTMAPS(X)[(Y)].s_partition_flags )
97 #define UDF_SB_BITMAP(X,Y,Z,I) ( UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_block_bitmap[I] )
98 #define UDF_SB_BITMAP_NR_GROUPS(X,Y,Z) ( UDF_SB_PARTMAPS(X)[(Y)].Z.s_bitmap->s_nr_groups )
100 #define UDF_SB_VOLIDENT(X) ( UDF_SB(X)->s_volident )
101 #define UDF_SB_NUMPARTS(X) ( UDF_SB(X)->s_partitions )
102 #define UDF_SB_PARTITION(X) ( UDF_SB(X)->s_partition )
103 #define UDF_SB_SESSION(X) ( UDF_SB(X)->s_session )
104 #define UDF_SB_ANCHOR(X) ( UDF_SB(X)->s_anchor )
105 #define UDF_SB_LASTBLOCK(X) ( UDF_SB(X)->s_lastblock )
106 #define UDF_SB_LVIDBH(X) ( UDF_SB(X)->s_lvidbh )
107 #define UDF_SB_LVID(X) ( (struct logicalVolIntegrityDesc *)UDF_SB_LVIDBH(X)->b_data )
108 #define UDF_SB_LVIDIU(X) ( (struct logicalVolIntegrityDescImpUse *)&(UDF_SB_LVID(X)->impUse[le32_to_cpu(UDF_SB_LVID(X)->numOfPartitions) * 2 * sizeof(uint32_t)/sizeof(uint8_t)]) )
110 #define UDF_SB_UMASK(X) ( UDF_SB(X)->s_umask )
111 #define UDF_SB_GID(X) ( UDF_SB(X)->s_gid )
112 #define UDF_SB_UID(X) ( UDF_SB(X)->s_uid )
113 #define UDF_SB_RECORDTIME(X) ( UDF_SB(X)->s_recordtime )
114 #define UDF_SB_SERIALNUM(X) ( UDF_SB(X)->s_serialnum )
115 #define UDF_SB_UDFREV(X) ( UDF_SB(X)->s_udfrev )
116 #define UDF_SB_FLAGS(X) ( UDF_SB(X)->s_flags )
117 #define UDF_SB_VAT(X) ( UDF_SB(X)->s_vat )
119 #endif /* __LINUX_UDF_SB_H */