1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds #ifndef __UDF_DECL_H 31da177e4SLinus Torvalds #define __UDF_DECL_H 41da177e4SLinus Torvalds 578ace70cSJoe Perches #define pr_fmt(fmt) "UDF-fs: " fmt 678ace70cSJoe Perches 71da177e4SLinus Torvalds #include "ecma_167.h" 81da177e4SLinus Torvalds #include "osta_udf.h" 91da177e4SLinus Torvalds 101da177e4SLinus Torvalds #include <linux/fs.h> 111da177e4SLinus Torvalds #include <linux/types.h> 121da177e4SLinus Torvalds #include <linux/buffer_head.h> 1315aebd28SChristoph Hellwig #include <linux/udf_fs_i.h> 141da177e4SLinus Torvalds 1515aebd28SChristoph Hellwig #include "udf_sb.h" 161da177e4SLinus Torvalds #include "udfend.h" 17d652eefbSmarcin.slusarz@gmail.com #include "udf_i.h" 181da177e4SLinus Torvalds 1915aebd28SChristoph Hellwig #define UDF_DEFAULT_PREALLOC_BLOCKS 8 2015aebd28SChristoph Hellwig 2134116645SLinus Torvalds extern __printf(3, 4) void _udf_err(struct super_block *sb, 2234116645SLinus Torvalds const char *function, const char *fmt, ...); 2378ace70cSJoe Perches #define udf_err(sb, fmt, ...) \ 2478ace70cSJoe Perches _udf_err(sb, __func__, fmt, ##__VA_ARGS__) 2515aebd28SChristoph Hellwig 2634116645SLinus Torvalds extern __printf(3, 4) void _udf_warn(struct super_block *sb, 2734116645SLinus Torvalds const char *function, const char *fmt, ...); 28a40ecd7bSJoe Perches #define udf_warn(sb, fmt, ...) \ 29a40ecd7bSJoe Perches _udf_warn(sb, __func__, fmt, ##__VA_ARGS__) 307e273e3bSJoe Perches 3178ace70cSJoe Perches #define udf_info(fmt, ...) \ 3278ace70cSJoe Perches pr_info("INFO " fmt, ##__VA_ARGS__) 337e273e3bSJoe Perches 3415aebd28SChristoph Hellwig #undef UDFFS_DEBUG 3515aebd28SChristoph Hellwig 3615aebd28SChristoph Hellwig #ifdef UDFFS_DEBUG 3778ace70cSJoe Perches #define udf_debug(fmt, ...) \ 3878ace70cSJoe Perches printk(KERN_DEBUG pr_fmt("%s:%d:%s: " fmt), \ 3978ace70cSJoe Perches __FILE__, __LINE__, __func__, ##__VA_ARGS__) 4015aebd28SChristoph Hellwig #else 4178ace70cSJoe Perches #define udf_debug(fmt, ...) \ 4278ace70cSJoe Perches no_printk(fmt, ##__VA_ARGS__) 4315aebd28SChristoph Hellwig #endif 4415aebd28SChristoph Hellwig 451da177e4SLinus Torvalds #define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) 461da177e4SLinus Torvalds #define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds #define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF 491da177e4SLinus Torvalds #define UDF_EXTENT_FLAG_MASK 0xC0000000 501da177e4SLinus Torvalds 510c9850f4SJan Kara #define UDF_INVALID_ID ((uint32_t)-1) 520c9850f4SJan Kara 531da177e4SLinus Torvalds #define UDF_NAME_PAD 4 549fba7056SAndrew Gabbasov #define UDF_NAME_LEN 254 559fba7056SAndrew Gabbasov #define UDF_NAME_LEN_CS0 255 561da177e4SLinus Torvalds 57d652eefbSmarcin.slusarz@gmail.com static inline size_t udf_file_entry_alloc_offset(struct inode *inode) 58d652eefbSmarcin.slusarz@gmail.com { 59d652eefbSmarcin.slusarz@gmail.com struct udf_inode_info *iinfo = UDF_I(inode); 60d652eefbSmarcin.slusarz@gmail.com if (iinfo->i_use) 61d652eefbSmarcin.slusarz@gmail.com return sizeof(struct unallocSpaceEntry); 62d652eefbSmarcin.slusarz@gmail.com else if (iinfo->i_efe) 63d652eefbSmarcin.slusarz@gmail.com return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr; 64d652eefbSmarcin.slusarz@gmail.com else 65d652eefbSmarcin.slusarz@gmail.com return sizeof(struct fileEntry) + iinfo->i_lenEAttr; 66d652eefbSmarcin.slusarz@gmail.com } 671da177e4SLinus Torvalds 68d652eefbSmarcin.slusarz@gmail.com static inline size_t udf_ext0_offset(struct inode *inode) 69d652eefbSmarcin.slusarz@gmail.com { 70d652eefbSmarcin.slusarz@gmail.com if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) 71d652eefbSmarcin.slusarz@gmail.com return udf_file_entry_alloc_offset(inode); 72d652eefbSmarcin.slusarz@gmail.com else 73d652eefbSmarcin.slusarz@gmail.com return 0; 74d652eefbSmarcin.slusarz@gmail.com } 751da177e4SLinus Torvalds 763f2587bbSMarcin Slusarz /* computes tag checksum */ 775ca4e4beSPekka Enberg u8 udf_tag_checksum(const struct tag *t); 783f2587bbSMarcin Slusarz 79b490bdd6SSteve Magnani typedef uint32_t udf_pblk_t; 80b490bdd6SSteve Magnani 811da177e4SLinus Torvalds struct dentry; 821da177e4SLinus Torvalds struct inode; 831da177e4SLinus Torvalds struct task_struct; 841da177e4SLinus Torvalds struct buffer_head; 851da177e4SLinus Torvalds struct super_block; 861da177e4SLinus Torvalds 87221e583aSRasmus Rohde extern const struct export_operations udf_export_ops; 88c5ef1c42SArjan van de Ven extern const struct inode_operations udf_dir_inode_operations; 894b6f5d20SArjan van de Ven extern const struct file_operations udf_dir_operations; 90c5ef1c42SArjan van de Ven extern const struct inode_operations udf_file_inode_operations; 914b6f5d20SArjan van de Ven extern const struct file_operations udf_file_operations; 92ad4d0532SJan Kara extern const struct inode_operations udf_symlink_inode_operations; 93f5e54d6eSChristoph Hellwig extern const struct address_space_operations udf_aops; 94f5e54d6eSChristoph Hellwig extern const struct address_space_operations udf_adinicb_aops; 95f5e54d6eSChristoph Hellwig extern const struct address_space_operations udf_symlink_aops; 961da177e4SLinus Torvalds 97cb00ea35SCyrill Gorcunov struct udf_fileident_bh { 981da177e4SLinus Torvalds struct buffer_head *sbh; 991da177e4SLinus Torvalds struct buffer_head *ebh; 1001da177e4SLinus Torvalds int soffset; 1011da177e4SLinus Torvalds int eoffset; 1021da177e4SLinus Torvalds }; 1031da177e4SLinus Torvalds 104cb00ea35SCyrill Gorcunov struct udf_vds_record { 1051da177e4SLinus Torvalds uint32_t block; 1061da177e4SLinus Torvalds uint32_t volDescSeqNum; 1071da177e4SLinus Torvalds }; 1081da177e4SLinus Torvalds 109cb00ea35SCyrill Gorcunov struct generic_desc { 1105ca4e4beSPekka Enberg struct tag descTag; 1111da177e4SLinus Torvalds __le32 volDescSeqNum; 1121da177e4SLinus Torvalds }; 1131da177e4SLinus Torvalds 114ff116fc8SJan Kara 1151da177e4SLinus Torvalds /* super.c */ 116fab3c858SJoe Perches 117146bca72SJan Kara static inline void udf_updated_lvid(struct super_block *sb) 118146bca72SJan Kara { 119146bca72SJan Kara struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh; 120146bca72SJan Kara 121146bca72SJan Kara BUG_ON(!bh); 122146bca72SJan Kara WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) 123146bca72SJan Kara bh->b_data)->integrityType != 124146bca72SJan Kara cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); 125146bca72SJan Kara UDF_SB(sb)->s_lvid_dirty = 1; 126146bca72SJan Kara } 127d664b6afSJan Kara extern u64 lvid_get_unique_id(struct super_block *sb); 1283080a74eSNamjae Jeon struct inode *udf_find_metadata_inode_efe(struct super_block *sb, 1293080a74eSNamjae Jeon u32 meta_file_loc, u32 partition_num); 1301da177e4SLinus Torvalds 1311da177e4SLinus Torvalds /* namei.c */ 132cb00ea35SCyrill Gorcunov extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, 133cb00ea35SCyrill Gorcunov struct fileIdentDesc *, struct udf_fileident_bh *, 134cb00ea35SCyrill Gorcunov uint8_t *, uint8_t *); 135f2e83347SJan Kara static inline unsigned int udf_dir_entry_len(struct fileIdentDesc *cfi) 136f2e83347SJan Kara { 137f2e83347SJan Kara return ALIGN(sizeof(struct fileIdentDesc) + 138f2e83347SJan Kara le16_to_cpu(cfi->lengthOfImpUse) + cfi->lengthFileIdent, 139f2e83347SJan Kara UDF_NAME_PAD); 140f2e83347SJan Kara } 1411da177e4SLinus Torvalds 1421da177e4SLinus Torvalds /* file.c */ 1432f07a88bSJohn Kacur extern long udf_ioctl(struct file *, unsigned int, unsigned long); 1441da177e4SLinus Torvalds /* inode.c */ 1456174c2ebSJan Kara extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *, 1466174c2ebSJan Kara bool hidden_inode); 1476174c2ebSJan Kara static inline struct inode *udf_iget_special(struct super_block *sb, 1486174c2ebSJan Kara struct kernel_lb_addr *ino) 1496174c2ebSJan Kara { 1506174c2ebSJan Kara return __udf_iget(sb, ino, true); 1516174c2ebSJan Kara } 1526174c2ebSJan Kara static inline struct inode *udf_iget(struct super_block *sb, 1536174c2ebSJan Kara struct kernel_lb_addr *ino) 1546174c2ebSJan Kara { 1556174c2ebSJan Kara return __udf_iget(sb, ino, false); 1566174c2ebSJan Kara } 1577e49b6f2SJan Kara extern int udf_expand_file_adinicb(struct inode *); 158b490bdd6SSteve Magnani extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, 159b490bdd6SSteve Magnani udf_pblk_t *block, int *err); 160b490bdd6SSteve Magnani extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block, 161b490bdd6SSteve Magnani int create, int *err); 1627e49b6f2SJan Kara extern int udf_setsize(struct inode *, loff_t); 1633aac2b62SAl Viro extern void udf_evict_inode(struct inode *); 164a9185b41SChristoph Hellwig extern int udf_write_inode(struct inode *, struct writeback_control *wbc); 165b490bdd6SSteve Magnani extern udf_pblk_t udf_block_map(struct inode *inode, sector_t block); 166cb00ea35SCyrill Gorcunov extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, 1675ca4e4beSPekka Enberg struct kernel_lb_addr *, uint32_t *, sector_t *); 168b490bdd6SSteve Magnani extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block, 169fcea62baSJan Kara struct extent_position *epos); 170fcea62baSJan Kara extern int __udf_add_aext(struct inode *inode, struct extent_position *epos, 171fcea62baSJan Kara struct kernel_lb_addr *eloc, uint32_t elen, int inc); 1727e49b6f2SJan Kara extern int udf_add_aext(struct inode *, struct extent_position *, 17397e961fdSPekka Enberg struct kernel_lb_addr *, uint32_t, int); 1747e49b6f2SJan Kara extern void udf_write_aext(struct inode *, struct extent_position *, 17597e961fdSPekka Enberg struct kernel_lb_addr *, uint32_t, int); 176cb00ea35SCyrill Gorcunov extern int8_t udf_delete_aext(struct inode *, struct extent_position, 1775ca4e4beSPekka Enberg struct kernel_lb_addr, uint32_t); 178cb00ea35SCyrill Gorcunov extern int8_t udf_next_aext(struct inode *, struct extent_position *, 1795ca4e4beSPekka Enberg struct kernel_lb_addr *, uint32_t *, int); 180cb00ea35SCyrill Gorcunov extern int8_t udf_current_aext(struct inode *, struct extent_position *, 1815ca4e4beSPekka Enberg struct kernel_lb_addr *, uint32_t *, int); 1821da177e4SLinus Torvalds 1831da177e4SLinus Torvalds /* misc.c */ 184b490bdd6SSteve Magnani extern struct buffer_head *udf_tgetblk(struct super_block *sb, 185b490bdd6SSteve Magnani udf_pblk_t block); 186b490bdd6SSteve Magnani extern struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block); 187cb00ea35SCyrill Gorcunov extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, 188cb00ea35SCyrill Gorcunov uint32_t, uint8_t); 189cb00ea35SCyrill Gorcunov extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, 190cb00ea35SCyrill Gorcunov uint8_t); 191cb00ea35SCyrill Gorcunov extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, 192cb00ea35SCyrill Gorcunov uint32_t, uint16_t *); 193cb00ea35SCyrill Gorcunov extern struct buffer_head *udf_read_ptagged(struct super_block *, 19497e961fdSPekka Enberg struct kernel_lb_addr *, uint32_t, 195cb00ea35SCyrill Gorcunov uint16_t *); 1961da177e4SLinus Torvalds extern void udf_update_tag(char *, int); 1971da177e4SLinus Torvalds extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvalds /* lowlevel.c */ 2001da177e4SLinus Torvalds extern unsigned int udf_get_last_session(struct super_block *); 2011da177e4SLinus Torvalds extern unsigned long udf_get_last_block(struct super_block *); 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds /* partition.c */ 204cb00ea35SCyrill Gorcunov extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, 205cb00ea35SCyrill Gorcunov uint32_t); 206cb00ea35SCyrill Gorcunov extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, 207cb00ea35SCyrill Gorcunov uint32_t); 208cb00ea35SCyrill Gorcunov extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, 209cb00ea35SCyrill Gorcunov uint32_t); 210cb00ea35SCyrill Gorcunov extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, 211cb00ea35SCyrill Gorcunov uint32_t); 212bfb257a5SJan Kara extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t, 213bfb257a5SJan Kara uint32_t); 2141da177e4SLinus Torvalds extern int udf_relocate_blocks(struct super_block *, long, long *); 2151da177e4SLinus Torvalds 21697e961fdSPekka Enberg static inline uint32_t 21797e961fdSPekka Enberg udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc, 21897e961fdSPekka Enberg uint32_t offset) 21997e961fdSPekka Enberg { 22097e961fdSPekka Enberg return udf_get_pblock(sb, loc->logicalBlockNum, 22197e961fdSPekka Enberg loc->partitionReferenceNum, offset); 22297e961fdSPekka Enberg } 22397e961fdSPekka Enberg 2241da177e4SLinus Torvalds /* unicode.c */ 2259293fcfbSAndrew Gabbasov extern int udf_get_filename(struct super_block *, const uint8_t *, int, 2269293fcfbSAndrew Gabbasov uint8_t *, int); 227525e2c56SAndrew Gabbasov extern int udf_put_filename(struct super_block *, const uint8_t *, int, 228525e2c56SAndrew Gabbasov uint8_t *, int); 229e966fc8dSJan Kara extern int udf_dstrCS0toChar(struct super_block *, uint8_t *, int, 230e966fc8dSJan Kara const uint8_t *, int); 2311da177e4SLinus Torvalds 2321da177e4SLinus Torvalds /* ialloc.c */ 2331da177e4SLinus Torvalds extern void udf_free_inode(struct inode *); 2340b93a92bSAl Viro extern struct inode *udf_new_inode(struct inode *, umode_t); 2351da177e4SLinus Torvalds 2361da177e4SLinus Torvalds /* truncate.c */ 23774584ae5SJan Kara extern void udf_truncate_tail_extent(struct inode *); 2381da177e4SLinus Torvalds extern void udf_discard_prealloc(struct inode *); 2391da177e4SLinus Torvalds extern void udf_truncate_extents(struct inode *); 2401da177e4SLinus Torvalds 2411da177e4SLinus Torvalds /* balloc.c */ 242cb00ea35SCyrill Gorcunov extern void udf_free_blocks(struct super_block *, struct inode *, 24397e961fdSPekka Enberg struct kernel_lb_addr *, uint32_t, uint32_t); 244cb00ea35SCyrill Gorcunov extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, 245cb00ea35SCyrill Gorcunov uint32_t, uint32_t); 246b490bdd6SSteve Magnani extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode, 247b490bdd6SSteve Magnani uint16_t partition, uint32_t goal, int *err); 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds /* directory.c */ 250cb00ea35SCyrill Gorcunov extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, 251cb00ea35SCyrill Gorcunov struct udf_fileident_bh *, 252cb00ea35SCyrill Gorcunov struct fileIdentDesc *, 253cb00ea35SCyrill Gorcunov struct extent_position *, 2545ca4e4beSPekka Enberg struct kernel_lb_addr *, uint32_t *, 255cb00ea35SCyrill Gorcunov sector_t *); 256cb00ea35SCyrill Gorcunov extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, 257cb00ea35SCyrill Gorcunov int *offset); 2585ca4e4beSPekka Enberg extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); 2595ca4e4beSPekka Enberg extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds /* udftime.c */ 2620220eddaSDeepa Dinamani extern void udf_disk_stamp_to_time(struct timespec *dest, 2635ca4e4beSPekka Enberg struct timestamp src); 2640220eddaSDeepa Dinamani extern void udf_time_to_disk_stamp(struct timestamp *dest, struct timespec src); 2651da177e4SLinus Torvalds 2661da177e4SLinus Torvalds #endif /* __UDF_DECL_H */ 267