1#ifndef __UDF_DECL_H 2#define __UDF_DECL_H 3 4#include <linux/udf_fs.h> 5#include "ecma_167.h" 6#include "osta_udf.h" 7 8#include <linux/fs.h> 9#include <linux/types.h> 10#include <linux/udf_fs_i.h> 11#include <linux/udf_fs_sb.h> 12#include <linux/buffer_head.h> 13 14#include "udfend.h" 15 16#define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) 17#define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) 18 19#define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF 20#define UDF_EXTENT_FLAG_MASK 0xC0000000 21 22#define UDF_NAME_PAD 4 23#define UDF_NAME_LEN 256 24#define UDF_PATH_LEN 1023 25 26#define udf_file_entry_alloc_offset(inode)\ 27 (UDF_I_USE(inode) ?\ 28 sizeof(struct unallocSpaceEntry) :\ 29 ((UDF_I_EFE(inode) ?\ 30 sizeof(struct extendedFileEntry) :\ 31 sizeof(struct fileEntry)) + UDF_I_LENEATTR(inode))) 32 33#define udf_ext0_offset(inode)\ 34 (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB ?\ 35 udf_file_entry_alloc_offset(inode) : 0) 36 37#define udf_get_lb_pblock(sb,loc,offset) udf_get_pblock((sb), (loc).logicalBlockNum, (loc).partitionReferenceNum, (offset)) 38 39struct dentry; 40struct inode; 41struct task_struct; 42struct buffer_head; 43struct super_block; 44 45extern const struct inode_operations udf_dir_inode_operations; 46extern const struct file_operations udf_dir_operations; 47extern const struct inode_operations udf_file_inode_operations; 48extern const struct file_operations udf_file_operations; 49extern const struct address_space_operations udf_aops; 50extern const struct address_space_operations udf_adinicb_aops; 51extern const struct address_space_operations udf_symlink_aops; 52 53struct udf_fileident_bh 54{ 55 struct buffer_head *sbh; 56 struct buffer_head *ebh; 57 int soffset; 58 int eoffset; 59}; 60 61struct udf_vds_record 62{ 63 uint32_t block; 64 uint32_t volDescSeqNum; 65}; 66 67struct generic_desc 68{ 69 tag descTag; 70 __le32 volDescSeqNum; 71}; 72 73struct ustr 74{ 75 uint8_t u_cmpID; 76 uint8_t u_name[UDF_NAME_LEN-2]; 77 uint8_t u_len; 78}; 79 80struct extent_position { 81 struct buffer_head *bh; 82 uint32_t offset; 83 kernel_lb_addr block; 84}; 85 86 87/* super.c */ 88extern void udf_error(struct super_block *, const char *, const char *, ...); 89extern void udf_warning(struct super_block *, const char *, const char *, ...); 90 91/* namei.c */ 92extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, struct fileIdentDesc *, struct udf_fileident_bh *, uint8_t *, uint8_t *); 93 94/* file.c */ 95extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long); 96 97/* inode.c */ 98extern struct inode *udf_iget(struct super_block *, kernel_lb_addr); 99extern int udf_sync_inode(struct inode *); 100extern void udf_expand_file_adinicb(struct inode *, int, int *); 101extern struct buffer_head * udf_expand_dir_adinicb(struct inode *, int *, int *); 102extern struct buffer_head * udf_bread(struct inode *, int, int, int *); 103extern void udf_truncate(struct inode *); 104extern void udf_read_inode(struct inode *); 105extern void udf_delete_inode(struct inode *); 106extern void udf_clear_inode(struct inode *); 107extern int udf_write_inode(struct inode *, int); 108extern long udf_block_map(struct inode *, sector_t); 109extern int udf_extend_file(struct inode *, struct extent_position *, kernel_long_ad *, sector_t); 110extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); 111extern int8_t udf_add_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); 112extern int8_t udf_write_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); 113extern int8_t udf_delete_aext(struct inode *, struct extent_position, kernel_lb_addr, uint32_t); 114extern int8_t udf_next_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); 115extern int8_t udf_current_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); 116 117/* misc.c */ 118extern struct buffer_head *udf_tgetblk(struct super_block *, int); 119extern struct buffer_head *udf_tread(struct super_block *, int); 120extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint32_t, uint8_t); 121extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t); 122extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *); 123extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *); 124extern void udf_update_tag(char *, int); 125extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); 126 127/* lowlevel.c */ 128extern unsigned int udf_get_last_session(struct super_block *); 129extern unsigned long udf_get_last_block(struct super_block *); 130 131/* partition.c */ 132extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, uint32_t); 133extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, uint32_t); 134extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, uint32_t); 135extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, uint32_t); 136extern int udf_relocate_blocks(struct super_block *, long, long *); 137 138/* unicode.c */ 139extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int); 140extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, int); 141extern int udf_build_ustr(struct ustr *, dstring *, int); 142extern int udf_CS0toUTF8(struct ustr *, struct ustr *); 143 144/* ialloc.c */ 145extern void udf_free_inode(struct inode *); 146extern struct inode * udf_new_inode (struct inode *, int, int *); 147 148/* truncate.c */ 149extern void udf_truncate_tail_extent(struct inode *); 150extern void udf_discard_prealloc(struct inode *); 151extern void udf_truncate_extents(struct inode *); 152 153/* balloc.c */ 154extern void udf_free_blocks(struct super_block *, struct inode *, kernel_lb_addr, uint32_t, uint32_t); 155extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, uint32_t, uint32_t); 156extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *); 157 158/* fsync.c */ 159extern int udf_fsync_file(struct file *, struct dentry *, int); 160 161/* directory.c */ 162extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); 163extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset); 164extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int); 165extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int); 166 167/* crc.c */ 168extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t); 169 170/* udftime.c */ 171extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp); 172extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec); 173 174#endif /* __UDF_DECL_H */ 175