mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
262 lines
8.9 KiB
262 lines
8.9 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#ifndef __UDF_DECL_H |
|
#define __UDF_DECL_H |
|
|
|
#define pr_fmt(fmt) "UDF-fs: " fmt |
|
|
|
#include "ecma_167.h" |
|
#include "osta_udf.h" |
|
|
|
#include <linux/fs.h> |
|
#include <linux/types.h> |
|
#include <linux/buffer_head.h> |
|
#include <linux/udf_fs_i.h> |
|
|
|
#include "udf_sb.h" |
|
#include "udfend.h" |
|
#include "udf_i.h" |
|
|
|
#define UDF_DEFAULT_PREALLOC_BLOCKS 8 |
|
|
|
extern __printf(3, 4) void _udf_err(struct super_block *sb, |
|
const char *function, const char *fmt, ...); |
|
#define udf_err(sb, fmt, ...) \ |
|
_udf_err(sb, __func__, fmt, ##__VA_ARGS__) |
|
|
|
extern __printf(3, 4) void _udf_warn(struct super_block *sb, |
|
const char *function, const char *fmt, ...); |
|
#define udf_warn(sb, fmt, ...) \ |
|
_udf_warn(sb, __func__, fmt, ##__VA_ARGS__) |
|
|
|
#define udf_info(fmt, ...) \ |
|
pr_info("INFO " fmt, ##__VA_ARGS__) |
|
|
|
#define udf_debug(fmt, ...) \ |
|
pr_debug("%s:%d:%s: " fmt, __FILE__, __LINE__, __func__, ##__VA_ARGS__) |
|
|
|
#define udf_fixed_to_variable(x) ( ( ( (x) >> 5 ) * 39 ) + ( (x) & 0x0000001F ) ) |
|
#define udf_variable_to_fixed(x) ( ( ( (x) / 39 ) << 5 ) + ( (x) % 39 ) ) |
|
|
|
#define UDF_EXTENT_LENGTH_MASK 0x3FFFFFFF |
|
#define UDF_EXTENT_FLAG_MASK 0xC0000000 |
|
|
|
#define UDF_INVALID_ID ((uint32_t)-1) |
|
|
|
#define UDF_NAME_PAD 4 |
|
#define UDF_NAME_LEN 254 |
|
#define UDF_NAME_LEN_CS0 255 |
|
|
|
static inline size_t udf_file_entry_alloc_offset(struct inode *inode) |
|
{ |
|
struct udf_inode_info *iinfo = UDF_I(inode); |
|
if (iinfo->i_use) |
|
return sizeof(struct unallocSpaceEntry); |
|
else if (iinfo->i_efe) |
|
return sizeof(struct extendedFileEntry) + iinfo->i_lenEAttr; |
|
else |
|
return sizeof(struct fileEntry) + iinfo->i_lenEAttr; |
|
} |
|
|
|
static inline size_t udf_ext0_offset(struct inode *inode) |
|
{ |
|
if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) |
|
return udf_file_entry_alloc_offset(inode); |
|
else |
|
return 0; |
|
} |
|
|
|
/* computes tag checksum */ |
|
u8 udf_tag_checksum(const struct tag *t); |
|
|
|
typedef uint32_t udf_pblk_t; |
|
|
|
struct dentry; |
|
struct inode; |
|
struct task_struct; |
|
struct buffer_head; |
|
struct super_block; |
|
|
|
extern const struct export_operations udf_export_ops; |
|
extern const struct inode_operations udf_dir_inode_operations; |
|
extern const struct file_operations udf_dir_operations; |
|
extern const struct inode_operations udf_file_inode_operations; |
|
extern const struct file_operations udf_file_operations; |
|
extern const struct inode_operations udf_symlink_inode_operations; |
|
extern const struct address_space_operations udf_aops; |
|
extern const struct address_space_operations udf_adinicb_aops; |
|
extern const struct address_space_operations udf_symlink_aops; |
|
|
|
struct udf_fileident_bh { |
|
struct buffer_head *sbh; |
|
struct buffer_head *ebh; |
|
int soffset; |
|
int eoffset; |
|
}; |
|
|
|
struct udf_vds_record { |
|
uint32_t block; |
|
uint32_t volDescSeqNum; |
|
}; |
|
|
|
struct generic_desc { |
|
struct tag descTag; |
|
__le32 volDescSeqNum; |
|
}; |
|
|
|
|
|
/* super.c */ |
|
|
|
static inline void udf_updated_lvid(struct super_block *sb) |
|
{ |
|
struct buffer_head *bh = UDF_SB(sb)->s_lvid_bh; |
|
|
|
BUG_ON(!bh); |
|
WARN_ON_ONCE(((struct logicalVolIntegrityDesc *) |
|
bh->b_data)->integrityType != |
|
cpu_to_le32(LVID_INTEGRITY_TYPE_OPEN)); |
|
UDF_SB(sb)->s_lvid_dirty = 1; |
|
} |
|
extern u64 lvid_get_unique_id(struct super_block *sb); |
|
struct inode *udf_find_metadata_inode_efe(struct super_block *sb, |
|
u32 meta_file_loc, u32 partition_num); |
|
|
|
/* namei.c */ |
|
extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, |
|
struct fileIdentDesc *, struct udf_fileident_bh *, |
|
uint8_t *, uint8_t *); |
|
static inline unsigned int udf_dir_entry_len(struct fileIdentDesc *cfi) |
|
{ |
|
return ALIGN(sizeof(struct fileIdentDesc) + |
|
le16_to_cpu(cfi->lengthOfImpUse) + cfi->lengthFileIdent, |
|
UDF_NAME_PAD); |
|
} |
|
static inline uint8_t *udf_get_fi_ident(struct fileIdentDesc *fi) |
|
{ |
|
return ((uint8_t *)(fi + 1)) + le16_to_cpu(fi->lengthOfImpUse); |
|
} |
|
|
|
/* file.c */ |
|
extern long udf_ioctl(struct file *, unsigned int, unsigned long); |
|
/* inode.c */ |
|
extern struct inode *__udf_iget(struct super_block *, struct kernel_lb_addr *, |
|
bool hidden_inode); |
|
static inline struct inode *udf_iget_special(struct super_block *sb, |
|
struct kernel_lb_addr *ino) |
|
{ |
|
return __udf_iget(sb, ino, true); |
|
} |
|
static inline struct inode *udf_iget(struct super_block *sb, |
|
struct kernel_lb_addr *ino) |
|
{ |
|
return __udf_iget(sb, ino, false); |
|
} |
|
extern int udf_expand_file_adinicb(struct inode *); |
|
extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, |
|
udf_pblk_t *block, int *err); |
|
extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block, |
|
int create, int *err); |
|
extern int udf_setsize(struct inode *, loff_t); |
|
extern void udf_evict_inode(struct inode *); |
|
extern int udf_write_inode(struct inode *, struct writeback_control *wbc); |
|
extern udf_pblk_t udf_block_map(struct inode *inode, sector_t block); |
|
extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, |
|
struct kernel_lb_addr *, uint32_t *, sector_t *); |
|
extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block, |
|
struct extent_position *epos); |
|
extern int __udf_add_aext(struct inode *inode, struct extent_position *epos, |
|
struct kernel_lb_addr *eloc, uint32_t elen, int inc); |
|
extern int udf_add_aext(struct inode *, struct extent_position *, |
|
struct kernel_lb_addr *, uint32_t, int); |
|
extern void udf_write_aext(struct inode *, struct extent_position *, |
|
struct kernel_lb_addr *, uint32_t, int); |
|
extern int8_t udf_delete_aext(struct inode *, struct extent_position); |
|
extern int8_t udf_next_aext(struct inode *, struct extent_position *, |
|
struct kernel_lb_addr *, uint32_t *, int); |
|
extern int8_t udf_current_aext(struct inode *, struct extent_position *, |
|
struct kernel_lb_addr *, uint32_t *, int); |
|
extern void udf_update_extra_perms(struct inode *inode, umode_t mode); |
|
|
|
/* misc.c */ |
|
extern struct buffer_head *udf_tgetblk(struct super_block *sb, |
|
udf_pblk_t block); |
|
extern struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block); |
|
extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, |
|
uint32_t, uint8_t); |
|
extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, |
|
uint8_t); |
|
extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, |
|
uint32_t, uint16_t *); |
|
extern struct buffer_head *udf_read_ptagged(struct super_block *, |
|
struct kernel_lb_addr *, uint32_t, |
|
uint16_t *); |
|
extern void udf_update_tag(char *, int); |
|
extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); |
|
|
|
/* lowlevel.c */ |
|
extern unsigned int udf_get_last_session(struct super_block *); |
|
extern unsigned long udf_get_last_block(struct super_block *); |
|
|
|
/* partition.c */ |
|
extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, |
|
uint32_t); |
|
extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, |
|
uint32_t); |
|
extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, |
|
uint32_t); |
|
extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, |
|
uint32_t); |
|
extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t, |
|
uint32_t); |
|
extern int udf_relocate_blocks(struct super_block *, long, long *); |
|
|
|
static inline uint32_t |
|
udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc, |
|
uint32_t offset) |
|
{ |
|
return udf_get_pblock(sb, loc->logicalBlockNum, |
|
loc->partitionReferenceNum, offset); |
|
} |
|
|
|
/* unicode.c */ |
|
extern int udf_get_filename(struct super_block *, const uint8_t *, int, |
|
uint8_t *, int); |
|
extern int udf_put_filename(struct super_block *, const uint8_t *, int, |
|
uint8_t *, int); |
|
extern int udf_dstrCS0toChar(struct super_block *, uint8_t *, int, |
|
const uint8_t *, int); |
|
|
|
/* ialloc.c */ |
|
extern void udf_free_inode(struct inode *); |
|
extern struct inode *udf_new_inode(struct inode *, umode_t); |
|
|
|
/* truncate.c */ |
|
extern void udf_truncate_tail_extent(struct inode *); |
|
extern void udf_discard_prealloc(struct inode *); |
|
extern int udf_truncate_extents(struct inode *); |
|
|
|
/* balloc.c */ |
|
extern void udf_free_blocks(struct super_block *, struct inode *, |
|
struct kernel_lb_addr *, uint32_t, uint32_t); |
|
extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, |
|
uint32_t, uint32_t); |
|
extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode, |
|
uint16_t partition, uint32_t goal, int *err); |
|
|
|
/* directory.c */ |
|
extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *, |
|
struct udf_fileident_bh *, |
|
struct fileIdentDesc *, |
|
struct extent_position *, |
|
struct kernel_lb_addr *, uint32_t *, |
|
sector_t *); |
|
extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, |
|
int *offset); |
|
extern struct long_ad *udf_get_filelongad(uint8_t *, int, uint32_t *, int); |
|
extern struct short_ad *udf_get_fileshortad(uint8_t *, int, uint32_t *, int); |
|
|
|
/* udftime.c */ |
|
extern void udf_disk_stamp_to_time(struct timespec64 *dest, |
|
struct timestamp src); |
|
extern void udf_time_to_disk_stamp(struct timestamp *dest, struct timespec64 src); |
|
|
|
#endif /* __UDF_DECL_H */
|
|
|