1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds #ifndef __LINUX_UDF_SB_H 31da177e4SLinus Torvalds #define __LINUX_UDF_SB_H 41da177e4SLinus Torvalds 515aebd28SChristoph Hellwig #include <linux/mutex.h> 6f2a6cc1fSJan Kara #include <linux/bitops.h> 72a28900bSJan Kara #include <linux/magic.h> 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 */ 2670260e44SJan Kara #define UDF_FLAG_GID_FORGET 12 2770260e44SJan Kara #define UDF_FLAG_UID_SET 13 2870260e44SJan Kara #define UDF_FLAG_GID_SET 14 2970260e44SJan Kara #define UDF_FLAG_SESSION_SET 15 3070260e44SJan Kara #define UDF_FLAG_LASTBLOCK_SET 16 3170260e44SJan Kara #define UDF_FLAG_BLOCKSIZE_SET 17 32b72e632cSJan Kara #define UDF_FLAG_INCONSISTENT 18 331da177e4SLinus Torvalds 341da177e4SLinus Torvalds #define UDF_PART_FLAG_UNALLOC_BITMAP 0x0001 351da177e4SLinus Torvalds #define UDF_PART_FLAG_UNALLOC_TABLE 0x0002 361da177e4SLinus Torvalds #define UDF_PART_FLAG_FREED_BITMAP 0x0004 371da177e4SLinus Torvalds #define UDF_PART_FLAG_FREED_TABLE 0x0008 381da177e4SLinus Torvalds #define UDF_PART_FLAG_READ_ONLY 0x0010 391da177e4SLinus Torvalds #define UDF_PART_FLAG_WRITE_ONCE 0x0020 401da177e4SLinus Torvalds #define UDF_PART_FLAG_REWRITABLE 0x0040 411da177e4SLinus Torvalds #define UDF_PART_FLAG_OVERWRITABLE 0x0080 421da177e4SLinus Torvalds 4315aebd28SChristoph Hellwig #define UDF_MAX_BLOCK_LOADED 8 4415aebd28SChristoph Hellwig 4515aebd28SChristoph Hellwig #define UDF_TYPE1_MAP15 0x1511U 4615aebd28SChristoph Hellwig #define UDF_VIRTUAL_MAP15 0x1512U 4715aebd28SChristoph Hellwig #define UDF_VIRTUAL_MAP20 0x2012U 4815aebd28SChristoph Hellwig #define UDF_SPARABLE_MAP15 0x1522U 49bfb257a5SJan Kara #define UDF_METADATA_MAP25 0x2511U 5015aebd28SChristoph Hellwig 51faa17292SAl Viro #define UDF_INVALID_MODE ((umode_t)-1) 5287bc730cSMarcin Slusarz 5315aebd28SChristoph Hellwig #pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */ 5415aebd28SChristoph Hellwig 55ed47a7d0SJan Kara #define MF_DUPLICATE_MD 0x01 56ed47a7d0SJan Kara #define MF_MIRROR_FE_LOADED 0x02 57ed47a7d0SJan Kara 58bfb257a5SJan Kara struct udf_meta_data { 59bfb257a5SJan Kara __u32 s_meta_file_loc; 60bfb257a5SJan Kara __u32 s_mirror_file_loc; 61bfb257a5SJan Kara __u32 s_bitmap_file_loc; 62bfb257a5SJan Kara __u32 s_alloc_unit_size; 63bfb257a5SJan Kara __u16 s_align_unit_size; 647888824bSAlden Tondettar /* 657888824bSAlden Tondettar * Partition Reference Number of the associated physical / sparable 667888824bSAlden Tondettar * partition 677888824bSAlden Tondettar */ 687888824bSAlden Tondettar __u16 s_phys_partition_ref; 69ed47a7d0SJan Kara int s_flags; 70bfb257a5SJan Kara struct inode *s_metadata_fe; 71bfb257a5SJan Kara struct inode *s_mirror_fe; 72bfb257a5SJan Kara struct inode *s_bitmap_fe; 73bfb257a5SJan Kara }; 74bfb257a5SJan Kara 7515aebd28SChristoph Hellwig struct udf_sparing_data { 7615aebd28SChristoph Hellwig __u16 s_packet_len; 7715aebd28SChristoph Hellwig struct buffer_head *s_spar_map[4]; 7815aebd28SChristoph Hellwig }; 7915aebd28SChristoph Hellwig 8015aebd28SChristoph Hellwig struct udf_virtual_data { 8115aebd28SChristoph Hellwig __u32 s_num_entries; 8215aebd28SChristoph Hellwig __u16 s_start_offset; 8315aebd28SChristoph Hellwig }; 8415aebd28SChristoph Hellwig 8515aebd28SChristoph Hellwig struct udf_bitmap { 8615aebd28SChristoph Hellwig __u32 s_extPosition; 8789b1f39eSJan Kara int s_nr_groups; 88c60305b5SJan Kara struct buffer_head *s_block_bitmap[0]; 8915aebd28SChristoph Hellwig }; 9015aebd28SChristoph Hellwig 9115aebd28SChristoph Hellwig struct udf_part_map { 9215aebd28SChristoph Hellwig union { 9315aebd28SChristoph Hellwig struct udf_bitmap *s_bitmap; 9415aebd28SChristoph Hellwig struct inode *s_table; 9515aebd28SChristoph Hellwig } s_uspace; 9615aebd28SChristoph Hellwig union { 9715aebd28SChristoph Hellwig struct udf_bitmap *s_bitmap; 9815aebd28SChristoph Hellwig struct inode *s_table; 9915aebd28SChristoph Hellwig } s_fspace; 10015aebd28SChristoph Hellwig __u32 s_partition_root; 10115aebd28SChristoph Hellwig __u32 s_partition_len; 10215aebd28SChristoph Hellwig __u16 s_partition_type; 10315aebd28SChristoph Hellwig __u16 s_partition_num; 10415aebd28SChristoph Hellwig union { 10515aebd28SChristoph Hellwig struct udf_sparing_data s_sparing; 10615aebd28SChristoph Hellwig struct udf_virtual_data s_virtual; 107bfb257a5SJan Kara struct udf_meta_data s_metadata; 10815aebd28SChristoph Hellwig } s_type_specific; 10915aebd28SChristoph Hellwig __u32 (*s_partition_func)(struct super_block *, __u32, __u16, __u32); 11015aebd28SChristoph Hellwig __u16 s_volumeseqnum; 11115aebd28SChristoph Hellwig __u16 s_partition_flags; 11215aebd28SChristoph Hellwig }; 11315aebd28SChristoph Hellwig 11415aebd28SChristoph Hellwig #pragma pack() 11515aebd28SChristoph Hellwig 11615aebd28SChristoph Hellwig struct udf_sb_info { 11715aebd28SChristoph Hellwig struct udf_part_map *s_partmaps; 11815aebd28SChristoph Hellwig __u8 s_volume_ident[32]; 11915aebd28SChristoph Hellwig 12015aebd28SChristoph Hellwig /* Overall info */ 12115aebd28SChristoph Hellwig __u16 s_partitions; 12215aebd28SChristoph Hellwig __u16 s_partition; 12315aebd28SChristoph Hellwig 12415aebd28SChristoph Hellwig /* Sector headers */ 12515aebd28SChristoph Hellwig __s32 s_session; 12640346005SJan Kara __u32 s_anchor; 12715aebd28SChristoph Hellwig __u32 s_last_block; 12815aebd28SChristoph Hellwig 12915aebd28SChristoph Hellwig struct buffer_head *s_lvid_bh; 13015aebd28SChristoph Hellwig 13115aebd28SChristoph Hellwig /* Default permissions */ 132faa17292SAl Viro umode_t s_umask; 133c2ba138aSEric W. Biederman kgid_t s_gid; 134c2ba138aSEric W. Biederman kuid_t s_uid; 135faa17292SAl Viro umode_t s_fmode; 136faa17292SAl Viro umode_t s_dmode; 137c03cad24SJan Kara /* Lock protecting consistency of above permission settings */ 138c03cad24SJan Kara rwlock_t s_cred_lock; 13915aebd28SChristoph Hellwig 14015aebd28SChristoph Hellwig /* Root Info */ 14115aebd28SChristoph Hellwig struct timespec s_record_time; 14215aebd28SChristoph Hellwig 14315aebd28SChristoph Hellwig /* Fileset Info */ 14415aebd28SChristoph Hellwig __u16 s_serial_number; 14515aebd28SChristoph Hellwig 14615aebd28SChristoph Hellwig /* highest UDF revision we have recorded to this media */ 14715aebd28SChristoph Hellwig __u16 s_udfrev; 14815aebd28SChristoph Hellwig 14915aebd28SChristoph Hellwig /* Miscellaneous flags */ 150f2a6cc1fSJan Kara unsigned long s_flags; 15115aebd28SChristoph Hellwig 15215aebd28SChristoph Hellwig /* Encoding info */ 15315aebd28SChristoph Hellwig struct nls_table *s_nls_map; 15415aebd28SChristoph Hellwig 15515aebd28SChristoph Hellwig /* VAT inode */ 15615aebd28SChristoph Hellwig struct inode *s_vat_inode; 15715aebd28SChristoph Hellwig 15815aebd28SChristoph Hellwig struct mutex s_alloc_mutex; 159146bca72SJan Kara /* Protected by s_alloc_mutex */ 160146bca72SJan Kara unsigned int s_lvid_dirty; 16115aebd28SChristoph Hellwig }; 16215aebd28SChristoph Hellwig 1631da177e4SLinus Torvalds static inline struct udf_sb_info *UDF_SB(struct super_block *sb) 1641da177e4SLinus Torvalds { 1651da177e4SLinus Torvalds return sb->s_fs_info; 1661da177e4SLinus Torvalds } 1671da177e4SLinus Torvalds 16869d75671SJan Kara struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb); 1691da177e4SLinus Torvalds 170883cb9d1SMarcin Slusarz int udf_compute_nr_groups(struct super_block *sb, u32 partition); 171883cb9d1SMarcin Slusarz 172f2a6cc1fSJan Kara static inline int UDF_QUERY_FLAG(struct super_block *sb, int flag) 173f2a6cc1fSJan Kara { 174f2a6cc1fSJan Kara return test_bit(flag, &UDF_SB(sb)->s_flags); 175f2a6cc1fSJan Kara } 176f2a6cc1fSJan Kara 177f2a6cc1fSJan Kara static inline void UDF_SET_FLAG(struct super_block *sb, int flag) 178f2a6cc1fSJan Kara { 179f2a6cc1fSJan Kara set_bit(flag, &UDF_SB(sb)->s_flags); 180f2a6cc1fSJan Kara } 181f2a6cc1fSJan Kara 182f2a6cc1fSJan Kara static inline void UDF_CLEAR_FLAG(struct super_block *sb, int flag) 183f2a6cc1fSJan Kara { 184f2a6cc1fSJan Kara clear_bit(flag, &UDF_SB(sb)->s_flags); 185f2a6cc1fSJan Kara } 1861da177e4SLinus Torvalds 1871da177e4SLinus Torvalds #endif /* __LINUX_UDF_SB_H */ 188