11da177e4SLinus Torvalds #ifndef __LINUX_UDF_SB_H 21da177e4SLinus Torvalds #define __LINUX_UDF_SB_H 31da177e4SLinus Torvalds 415aebd28SChristoph Hellwig #include <linux/mutex.h> 515aebd28SChristoph Hellwig 61da177e4SLinus Torvalds /* Since UDF 2.01 is ISO 13346 based... */ 71da177e4SLinus Torvalds #define UDF_SUPER_MAGIC 0x15013346 81da177e4SLinus Torvalds 9bfb257a5SJan Kara #define UDF_MAX_READ_VERSION 0x0250 101da177e4SLinus Torvalds #define UDF_MAX_WRITE_VERSION 0x0201 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #define UDF_FLAG_USE_EXTENDED_FE 0 131da177e4SLinus Torvalds #define UDF_VERS_USE_EXTENDED_FE 0x0200 141da177e4SLinus Torvalds #define UDF_FLAG_USE_STREAMS 1 151da177e4SLinus Torvalds #define UDF_VERS_USE_STREAMS 0x0200 161da177e4SLinus Torvalds #define UDF_FLAG_USE_SHORT_AD 2 171da177e4SLinus Torvalds #define UDF_FLAG_USE_AD_IN_ICB 3 181da177e4SLinus Torvalds #define UDF_FLAG_USE_FILE_CTIME_EA 4 191da177e4SLinus Torvalds #define UDF_FLAG_STRICT 5 201da177e4SLinus Torvalds #define UDF_FLAG_UNDELETE 6 211da177e4SLinus Torvalds #define UDF_FLAG_UNHIDE 7 221da177e4SLinus Torvalds #define UDF_FLAG_VARCONV 8 231da177e4SLinus Torvalds #define UDF_FLAG_NLS_MAP 9 241da177e4SLinus Torvalds #define UDF_FLAG_UTF8 10 254d6660ebSPhillip Susi #define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ 264d6660ebSPhillip Susi #define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ 274d6660ebSPhillip Susi #define UDF_FLAG_GID_FORGET 13 284d6660ebSPhillip Susi #define UDF_FLAG_GID_IGNORE 14 29ca76d2d8SCyrill Gorcunov #define UDF_FLAG_UID_SET 15 30ca76d2d8SCyrill Gorcunov #define UDF_FLAG_GID_SET 16 316da80894SMiklos Szeredi #define UDF_FLAG_SESSION_SET 17 326da80894SMiklos Szeredi #define UDF_FLAG_LASTBLOCK_SET 18 331197e4dfSClemens Ladisch #define UDF_FLAG_BLOCKSIZE_SET 19 341da177e4SLinus Torvalds 351da177e4SLinus Torvalds #define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001 361da177e4SLinus Torvalds #define UDF_PART_FLAG_UNALLOC_TABLE 0x0002 371da177e4SLinus Torvalds #define UDF_PART_FLAG_FREED_BITMAP 0x0004 381da177e4SLinus Torvalds #define UDF_PART_FLAG_FREED_TABLE 0x0008 391da177e4SLinus Torvalds #define UDF_PART_FLAG_READ_ONLY 0x0010 401da177e4SLinus Torvalds #define UDF_PART_FLAG_WRITE_ONCE 0x0020 411da177e4SLinus Torvalds #define UDF_PART_FLAG_REWRITABLE 0x0040 421da177e4SLinus Torvalds #define UDF_PART_FLAG_OVERWRITABLE 0x0080 431da177e4SLinus Torvalds 4415aebd28SChristoph Hellwig #define UDF_MAX_BLOCK_LOADED 8 4515aebd28SChristoph Hellwig 4615aebd28SChristoph Hellwig #define UDF_TYPE1_MAP15 0x1511U 4715aebd28SChristoph Hellwig #define UDF_VIRTUAL_MAP15 0x1512U 4815aebd28SChristoph Hellwig #define UDF_VIRTUAL_MAP20 0x2012U 4915aebd28SChristoph Hellwig #define UDF_SPARABLE_MAP15 0x1522U 50bfb257a5SJan Kara #define UDF_METADATA_MAP25 0x2511U 5115aebd28SChristoph Hellwig 5287bc730cSMarcin Slusarz #define UDF_INVALID_MODE ((mode_t)-1) 5387bc730cSMarcin Slusarz 5415aebd28SChristoph Hellwig #pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */ 5515aebd28SChristoph Hellwig 56bfb257a5SJan Kara struct udf_meta_data { 57bfb257a5SJan Kara __u32 s_meta_file_loc; 58bfb257a5SJan Kara __u32 s_mirror_file_loc; 59bfb257a5SJan Kara __u32 s_bitmap_file_loc; 60bfb257a5SJan Kara __u32 s_alloc_unit_size; 61bfb257a5SJan Kara __u16 s_align_unit_size; 62bfb257a5SJan Kara __u8 s_dup_md_flag; 63bfb257a5SJan Kara struct inode *s_metadata_fe; 64bfb257a5SJan Kara struct inode *s_mirror_fe; 65bfb257a5SJan Kara struct inode *s_bitmap_fe; 66bfb257a5SJan Kara }; 67bfb257a5SJan Kara 6815aebd28SChristoph Hellwig struct udf_sparing_data { 6915aebd28SChristoph Hellwig __u16 s_packet_len; 7015aebd28SChristoph Hellwig struct buffer_head *s_spar_map[4]; 7115aebd28SChristoph Hellwig }; 7215aebd28SChristoph Hellwig 7315aebd28SChristoph Hellwig struct udf_virtual_data { 7415aebd28SChristoph Hellwig __u32 s_num_entries; 7515aebd28SChristoph Hellwig __u16 s_start_offset; 7615aebd28SChristoph Hellwig }; 7715aebd28SChristoph Hellwig 7815aebd28SChristoph Hellwig struct udf_bitmap { 7915aebd28SChristoph Hellwig __u32 s_extLength; 8015aebd28SChristoph Hellwig __u32 s_extPosition; 8115aebd28SChristoph Hellwig __u16 s_nr_groups; 8215aebd28SChristoph Hellwig struct buffer_head **s_block_bitmap; 8315aebd28SChristoph Hellwig }; 8415aebd28SChristoph Hellwig 8515aebd28SChristoph Hellwig struct udf_part_map { 8615aebd28SChristoph Hellwig union { 8715aebd28SChristoph Hellwig struct udf_bitmap *s_bitmap; 8815aebd28SChristoph Hellwig struct inode *s_table; 8915aebd28SChristoph Hellwig } s_uspace; 9015aebd28SChristoph Hellwig union { 9115aebd28SChristoph Hellwig struct udf_bitmap *s_bitmap; 9215aebd28SChristoph Hellwig struct inode *s_table; 9315aebd28SChristoph Hellwig } s_fspace; 9415aebd28SChristoph Hellwig __u32 s_partition_root; 9515aebd28SChristoph Hellwig __u32 s_partition_len; 9615aebd28SChristoph Hellwig __u16 s_partition_type; 9715aebd28SChristoph Hellwig __u16 s_partition_num; 9815aebd28SChristoph Hellwig union { 9915aebd28SChristoph Hellwig struct udf_sparing_data s_sparing; 10015aebd28SChristoph Hellwig struct udf_virtual_data s_virtual; 101bfb257a5SJan Kara struct udf_meta_data s_metadata; 10215aebd28SChristoph Hellwig } s_type_specific; 10315aebd28SChristoph Hellwig __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32); 10415aebd28SChristoph Hellwig __u16 s_volumeseqnum; 10515aebd28SChristoph Hellwig __u16 s_partition_flags; 10615aebd28SChristoph Hellwig }; 10715aebd28SChristoph Hellwig 10815aebd28SChristoph Hellwig #pragma pack() 10915aebd28SChristoph Hellwig 11015aebd28SChristoph Hellwig struct udf_sb_info { 11115aebd28SChristoph Hellwig struct udf_part_map *s_partmaps; 11215aebd28SChristoph Hellwig __u8 s_volume_ident[32]; 11315aebd28SChristoph Hellwig 11415aebd28SChristoph Hellwig /* Overall info */ 11515aebd28SChristoph Hellwig __u16 s_partitions; 11615aebd28SChristoph Hellwig __u16 s_partition; 11715aebd28SChristoph Hellwig 11815aebd28SChristoph Hellwig /* Sector headers */ 11915aebd28SChristoph Hellwig __s32 s_session; 12040346005SJan Kara __u32 s_anchor; 12115aebd28SChristoph Hellwig __u32 s_last_block; 12215aebd28SChristoph Hellwig 12315aebd28SChristoph Hellwig struct buffer_head *s_lvid_bh; 12415aebd28SChristoph Hellwig 12515aebd28SChristoph Hellwig /* Default permissions */ 12615aebd28SChristoph Hellwig mode_t s_umask; 12715aebd28SChristoph Hellwig gid_t s_gid; 12815aebd28SChristoph Hellwig uid_t s_uid; 1297ac9bcd5SMarcin Slusarz mode_t s_fmode; 1307ac9bcd5SMarcin Slusarz mode_t s_dmode; 13115aebd28SChristoph Hellwig 13215aebd28SChristoph Hellwig /* Root Info */ 13315aebd28SChristoph Hellwig struct timespec s_record_time; 13415aebd28SChristoph Hellwig 13515aebd28SChristoph Hellwig /* Fileset Info */ 13615aebd28SChristoph Hellwig __u16 s_serial_number; 13715aebd28SChristoph Hellwig 13815aebd28SChristoph Hellwig /* highest UDF revision we have recorded to this media */ 13915aebd28SChristoph Hellwig __u16 s_udfrev; 14015aebd28SChristoph Hellwig 14115aebd28SChristoph Hellwig /* Miscellaneous flags */ 14215aebd28SChristoph Hellwig __u32 s_flags; 14315aebd28SChristoph Hellwig 14415aebd28SChristoph Hellwig /* Encoding info */ 14515aebd28SChristoph Hellwig struct nls_table *s_nls_map; 14615aebd28SChristoph Hellwig 14715aebd28SChristoph Hellwig /* VAT inode */ 14815aebd28SChristoph Hellwig struct inode *s_vat_inode; 14915aebd28SChristoph Hellwig 15015aebd28SChristoph Hellwig struct mutex s_alloc_mutex; 151146bca72SJan Kara /* Protected by s_alloc_mutex */ 152146bca72SJan Kara unsigned int s_lvid_dirty; 15315aebd28SChristoph Hellwig }; 15415aebd28SChristoph Hellwig 1551da177e4SLinus Torvalds static inline struct udf_sb_info *UDF_SB(struct super_block *sb) 1561da177e4SLinus Torvalds { 1571da177e4SLinus Torvalds return sb->s_fs_info; 1581da177e4SLinus Torvalds } 1591da177e4SLinus Torvalds 1606c79e987SMarcin Slusarz struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi); 1611da177e4SLinus Torvalds 162883cb9d1SMarcin Slusarz int udf_compute_nr_groups(struct super_block *sb, u32 partition); 163883cb9d1SMarcin Slusarz 1641da177e4SLinus Torvalds #define UDF_QUERY_FLAG(X,Y) ( UDF_SB(X)->s_flags & ( 1 << (Y) ) ) 1651da177e4SLinus Torvalds #define UDF_SET_FLAG(X,Y) ( UDF_SB(X)->s_flags |= ( 1 << (Y) ) ) 1661da177e4SLinus Torvalds #define UDF_CLEAR_FLAG(X,Y) ( UDF_SB(X)->s_flags &= ~( 1 << (Y) ) ) 1671da177e4SLinus Torvalds 1681da177e4SLinus Torvalds #endif /* __LINUX_UDF_SB_H */ 169