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-rw-r--r--fs/udf/udfdecl.h262
1 files changed, 262 insertions, 0 deletions
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
new file mode 100644
index 000000000..7e258f15b
--- /dev/null
+++ b/fs/udf/udfdecl.h
@@ -0,0 +1,262 @@
+/* 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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 04:25:38 +0000