11da177e4SLinus Torvalds #ifndef __LINUX_UDF_SB_H 21da177e4SLinus Torvalds #define __LINUX_UDF_SB_H 31da177e4SLinus Torvalds 415aebd28SChristoph Hellwig #include <linux/mutex.h> 5f2a6cc1fSJan Kara #include <linux/bitops.h> 615aebd28SChristoph Hellwig 71da177e4SLinus Torvalds /* Since UDF 2.01 is ISO 13346 based... */ 81da177e4SLinus Torvalds #define UDF_SUPER_MAGIC 0x15013346 91da177e4SLinus Torvalds 10bfb257a5SJan Kara #define UDF_MAX_READ_VERSION 0x0250 111da177e4SLinus Torvalds #define UDF_MAX_WRITE_VERSION 0x0201 121da177e4SLinus Torvalds 131da177e4SLinus Torvalds #define UDF_FLAG_USE_EXTENDED_FE 0 141da177e4SLinus Torvalds #define UDF_VERS_USE_EXTENDED_FE 0x0200 151da177e4SLinus Torvalds #define UDF_FLAG_USE_STREAMS 1 161da177e4SLinus Torvalds #define UDF_VERS_USE_STREAMS 0x0200 171da177e4SLinus Torvalds #define UDF_FLAG_USE_SHORT_AD 2 181da177e4SLinus Torvalds #define UDF_FLAG_USE_AD_IN_ICB 3 191da177e4SLinus Torvalds #define UDF_FLAG_USE_FILE_CTIME_EA 4 201da177e4SLinus Torvalds #define UDF_FLAG_STRICT 5 211da177e4SLinus Torvalds #define UDF_FLAG_UNDELETE 6 221da177e4SLinus Torvalds #define UDF_FLAG_UNHIDE 7 231da177e4SLinus Torvalds #define UDF_FLAG_VARCONV 8 241da177e4SLinus Torvalds #define UDF_FLAG_NLS_MAP 9 251da177e4SLinus Torvalds #define UDF_FLAG_UTF8 10 264d6660ebSPhillip Susi #define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */ 274d6660ebSPhillip Susi #define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */ 284d6660ebSPhillip Susi #define UDF_FLAG_GID_FORGET 13 294d6660ebSPhillip Susi #define UDF_FLAG_GID_IGNORE 14 30ca76d2d8SCyrill Gorcunov #define UDF_FLAG_UID_SET 15 31ca76d2d8SCyrill Gorcunov #define UDF_FLAG_GID_SET 16 326da80894SMiklos Szeredi #define UDF_FLAG_SESSION_SET 17 336da80894SMiklos Szeredi #define UDF_FLAG_LASTBLOCK_SET 18 341197e4dfSClemens Ladisch #define UDF_FLAG_BLOCKSIZE_SET 19 351da177e4SLinus Torvalds 361da177e4SLinus Torvalds #define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001 371da177e4SLinus Torvalds #define UDF_PART_FLAG_UNALLOC_TABLE 0x0002 381da177e4SLinus Torvalds #define UDF_PART_FLAG_FREED_BITMAP 0x0004 391da177e4SLinus Torvalds #define UDF_PART_FLAG_FREED_TABLE 0x0008 401da177e4SLinus Torvalds #define UDF_PART_FLAG_READ_ONLY 0x0010 411da177e4SLinus Torvalds #define UDF_PART_FLAG_WRITE_ONCE 0x0020 421da177e4SLinus Torvalds #define UDF_PART_FLAG_REWRITABLE 0x0040 431da177e4SLinus Torvalds #define UDF_PART_FLAG_OVERWRITABLE 0x0080 441da177e4SLinus Torvalds 4515aebd28SChristoph Hellwig #define UDF_MAX_BLOCK_LOADED 8 4615aebd28SChristoph Hellwig 4715aebd28SChristoph Hellwig #define UDF_TYPE1_MAP15 0x1511U 4815aebd28SChristoph Hellwig #define UDF_VIRTUAL_MAP15 0x1512U 4915aebd28SChristoph Hellwig #define UDF_VIRTUAL_MAP20 0x2012U 5015aebd28SChristoph Hellwig #define UDF_SPARABLE_MAP15 0x1522U 51bfb257a5SJan Kara #define UDF_METADATA_MAP25 0x2511U 5215aebd28SChristoph Hellwig 53faa17292SAl Viro #define UDF_INVALID_MODE ((umode_t)-1) 5487bc730cSMarcin Slusarz 5515aebd28SChristoph Hellwig #pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */ 5615aebd28SChristoph Hellwig 57ed47a7d0SJan Kara #define MF_DUPLICATE_MD 0x01 58ed47a7d0SJan Kara #define MF_MIRROR_FE_LOADED 0x02 59ed47a7d0SJan Kara 60bfb257a5SJan Kara struct udf_meta_data { 61bfb257a5SJan Kara __u32 s_meta_file_loc; 62bfb257a5SJan Kara __u32 s_mirror_file_loc; 63bfb257a5SJan Kara __u32 s_bitmap_file_loc; 64bfb257a5SJan Kara __u32 s_alloc_unit_size; 65bfb257a5SJan Kara __u16 s_align_unit_size; 66ed47a7d0SJan Kara int s_flags; 67bfb257a5SJan Kara struct inode *s_metadata_fe; 68bfb257a5SJan Kara struct inode *s_mirror_fe; 69bfb257a5SJan Kara struct inode *s_bitmap_fe; 70bfb257a5SJan Kara }; 71bfb257a5SJan Kara 7215aebd28SChristoph Hellwig struct udf_sparing_data { 7315aebd28SChristoph Hellwig __u16 s_packet_len; 7415aebd28SChristoph Hellwig struct buffer_head *s_spar_map[4]; 7515aebd28SChristoph Hellwig }; 7615aebd28SChristoph Hellwig 7715aebd28SChristoph Hellwig struct udf_virtual_data { 7815aebd28SChristoph Hellwig __u32 s_num_entries; 7915aebd28SChristoph Hellwig __u16 s_start_offset; 8015aebd28SChristoph Hellwig }; 8115aebd28SChristoph Hellwig 8215aebd28SChristoph Hellwig struct udf_bitmap { 8315aebd28SChristoph Hellwig __u32 s_extPosition; 8489b1f39eSJan Kara int s_nr_groups; 85c60305b5SJan Kara struct buffer_head *s_block_bitmap[0]; 8615aebd28SChristoph Hellwig }; 8715aebd28SChristoph Hellwig 8815aebd28SChristoph Hellwig struct udf_part_map { 8915aebd28SChristoph Hellwig union { 9015aebd28SChristoph Hellwig struct udf_bitmap *s_bitmap; 9115aebd28SChristoph Hellwig struct inode *s_table; 9215aebd28SChristoph Hellwig } s_uspace; 9315aebd28SChristoph Hellwig union { 9415aebd28SChristoph Hellwig struct udf_bitmap *s_bitmap; 9515aebd28SChristoph Hellwig struct inode *s_table; 9615aebd28SChristoph Hellwig } s_fspace; 9715aebd28SChristoph Hellwig __u32 s_partition_root; 9815aebd28SChristoph Hellwig __u32 s_partition_len; 9915aebd28SChristoph Hellwig __u16 s_partition_type; 10015aebd28SChristoph Hellwig __u16 s_partition_num; 10115aebd28SChristoph Hellwig union { 10215aebd28SChristoph Hellwig struct udf_sparing_data s_sparing; 10315aebd28SChristoph Hellwig struct udf_virtual_data s_virtual; 104bfb257a5SJan Kara struct udf_meta_data s_metadata; 10515aebd28SChristoph Hellwig } s_type_specific; 10615aebd28SChristoph Hellwig __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32); 10715aebd28SChristoph Hellwig __u16 s_volumeseqnum; 10815aebd28SChristoph Hellwig __u16 s_partition_flags; 10915aebd28SChristoph Hellwig }; 11015aebd28SChristoph Hellwig 11115aebd28SChristoph Hellwig #pragma pack() 11215aebd28SChristoph Hellwig 11315aebd28SChristoph Hellwig struct udf_sb_info { 11415aebd28SChristoph Hellwig struct udf_part_map *s_partmaps; 11515aebd28SChristoph Hellwig __u8 s_volume_ident[32]; 11615aebd28SChristoph Hellwig 11715aebd28SChristoph Hellwig /* Overall info */ 11815aebd28SChristoph Hellwig __u16 s_partitions; 11915aebd28SChristoph Hellwig __u16 s_partition; 12015aebd28SChristoph Hellwig 12115aebd28SChristoph Hellwig /* Sector headers */ 12215aebd28SChristoph Hellwig __s32 s_session; 12340346005SJan Kara __u32 s_anchor; 12415aebd28SChristoph Hellwig __u32 s_last_block; 12515aebd28SChristoph Hellwig 12615aebd28SChristoph Hellwig struct buffer_head *s_lvid_bh; 12715aebd28SChristoph Hellwig 12815aebd28SChristoph Hellwig /* Default permissions */ 129faa17292SAl Viro umode_t s_umask; 130c2ba138aSEric W. Biederman kgid_t s_gid; 131c2ba138aSEric W. Biederman kuid_t s_uid; 132faa17292SAl Viro umode_t s_fmode; 133faa17292SAl Viro umode_t s_dmode; 134c03cad24SJan Kara /* Lock protecting consistency of above permission settings */ 135c03cad24SJan Kara rwlock_t s_cred_lock; 13615aebd28SChristoph Hellwig 13715aebd28SChristoph Hellwig /* Root Info */ 13815aebd28SChristoph Hellwig struct timespec s_record_time; 13915aebd28SChristoph Hellwig 14015aebd28SChristoph Hellwig /* Fileset Info */ 14115aebd28SChristoph Hellwig __u16 s_serial_number; 14215aebd28SChristoph Hellwig 14315aebd28SChristoph Hellwig /* highest UDF revision we have recorded to this media */ 14415aebd28SChristoph Hellwig __u16 s_udfrev; 14515aebd28SChristoph Hellwig 14615aebd28SChristoph Hellwig /* Miscellaneous flags */ 147f2a6cc1fSJan Kara unsigned long s_flags; 14815aebd28SChristoph Hellwig 14915aebd28SChristoph Hellwig /* Encoding info */ 15015aebd28SChristoph Hellwig struct nls_table *s_nls_map; 15115aebd28SChristoph Hellwig 15215aebd28SChristoph Hellwig /* VAT inode */ 15315aebd28SChristoph Hellwig struct inode *s_vat_inode; 15415aebd28SChristoph Hellwig 15515aebd28SChristoph Hellwig struct mutex s_alloc_mutex; 156146bca72SJan Kara /* Protected by s_alloc_mutex */ 157146bca72SJan Kara unsigned int s_lvid_dirty; 15815aebd28SChristoph Hellwig }; 15915aebd28SChristoph Hellwig 1601da177e4SLinus Torvalds static inline struct udf_sb_info *UDF_SB(struct super_block *sb) 1611da177e4SLinus Torvalds { 1621da177e4SLinus Torvalds return sb->s_fs_info; 1631da177e4SLinus Torvalds } 1641da177e4SLinus Torvalds 16569d75671SJan Kara struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb); 1661da177e4SLinus Torvalds 167883cb9d1SMarcin Slusarz int udf_compute_nr_groups(struct super_block *sb, u32 partition); 168883cb9d1SMarcin Slusarz 169f2a6cc1fSJan Kara static inline int UDF_QUERY_FLAG(struct super_block *sb, int flag) 170f2a6cc1fSJan Kara { 171f2a6cc1fSJan Kara return test_bit(flag, &UDF_SB(sb)->s_flags); 172f2a6cc1fSJan Kara } 173f2a6cc1fSJan Kara 174f2a6cc1fSJan Kara static inline void UDF_SET_FLAG(struct super_block *sb, int flag) 175f2a6cc1fSJan Kara { 176f2a6cc1fSJan Kara set_bit(flag, &UDF_SB(sb)->s_flags); 177f2a6cc1fSJan Kara } 178f2a6cc1fSJan Kara 179f2a6cc1fSJan Kara static inline void UDF_CLEAR_FLAG(struct super_block *sb, int flag) 180f2a6cc1fSJan Kara { 181f2a6cc1fSJan Kara clear_bit(flag, &UDF_SB(sb)->s_flags); 182f2a6cc1fSJan Kara } 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds #endif /* __LINUX_UDF_SB_H */ 185