[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/fs/hfsplus/hfsplus_fs.h b/src/kernel/linux/v4.14/fs/hfsplus/hfsplus_fs.h
new file mode 100644
index 0000000..dbb55d8
--- /dev/null
+++ b/src/kernel/linux/v4.14/fs/hfsplus/hfsplus_fs.h
@@ -0,0 +1,543 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * linux/include/linux/hfsplus_fs.h
+ *
+ * Copyright (C) 1999
+ * Brad Boyer (flar@pants.nu)
+ * (C) 2003 Ardis Technologies <roman@ardistech.com>
+ *
+ */
+
+#ifndef _LINUX_HFSPLUS_FS_H
+#define _LINUX_HFSPLUS_FS_H
+
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/fs.h>
+#include <linux/mutex.h>
+#include <linux/buffer_head.h>
+#include <linux/blkdev.h>
+#include "hfsplus_raw.h"
+
+#define DBG_BNODE_REFS 0x00000001
+#define DBG_BNODE_MOD 0x00000002
+#define DBG_CAT_MOD 0x00000004
+#define DBG_INODE 0x00000008
+#define DBG_SUPER 0x00000010
+#define DBG_EXTENT 0x00000020
+#define DBG_BITMAP 0x00000040
+#define DBG_ATTR_MOD 0x00000080
+#define DBG_ACL_MOD 0x00000100
+
+#if 0
+#define DBG_MASK (DBG_EXTENT|DBG_INODE|DBG_BNODE_MOD)
+#define DBG_MASK (DBG_BNODE_MOD|DBG_CAT_MOD|DBG_INODE)
+#define DBG_MASK (DBG_CAT_MOD|DBG_BNODE_REFS|DBG_INODE|DBG_EXTENT)
+#endif
+#define DBG_MASK (0)
+
+#define hfs_dbg(flg, fmt, ...) \
+do { \
+ if (DBG_##flg & DBG_MASK) \
+ printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
+} while (0)
+
+#define hfs_dbg_cont(flg, fmt, ...) \
+do { \
+ if (DBG_##flg & DBG_MASK) \
+ pr_cont(fmt, ##__VA_ARGS__); \
+} while (0)
+
+/* Runtime config options */
+#define HFSPLUS_DEF_CR_TYPE 0x3F3F3F3F /* '????' */
+
+#define HFSPLUS_TYPE_DATA 0x00
+#define HFSPLUS_TYPE_RSRC 0xFF
+
+typedef int (*btree_keycmp)(const hfsplus_btree_key *,
+ const hfsplus_btree_key *);
+
+#define NODE_HASH_SIZE 256
+
+/* B-tree mutex nested subclasses */
+enum hfsplus_btree_mutex_classes {
+ CATALOG_BTREE_MUTEX,
+ EXTENTS_BTREE_MUTEX,
+ ATTR_BTREE_MUTEX,
+};
+
+/* An HFS+ BTree held in memory */
+struct hfs_btree {
+ struct super_block *sb;
+ struct inode *inode;
+ btree_keycmp keycmp;
+
+ u32 cnid;
+ u32 root;
+ u32 leaf_count;
+ u32 leaf_head;
+ u32 leaf_tail;
+ u32 node_count;
+ u32 free_nodes;
+ u32 attributes;
+
+ unsigned int node_size;
+ unsigned int node_size_shift;
+ unsigned int max_key_len;
+ unsigned int depth;
+
+ struct mutex tree_lock;
+
+ unsigned int pages_per_bnode;
+ spinlock_t hash_lock;
+ struct hfs_bnode *node_hash[NODE_HASH_SIZE];
+ int node_hash_cnt;
+};
+
+struct page;
+
+/* An HFS+ BTree node in memory */
+struct hfs_bnode {
+ struct hfs_btree *tree;
+
+ u32 prev;
+ u32 this;
+ u32 next;
+ u32 parent;
+
+ u16 num_recs;
+ u8 type;
+ u8 height;
+
+ struct hfs_bnode *next_hash;
+ unsigned long flags;
+ wait_queue_head_t lock_wq;
+ atomic_t refcnt;
+ unsigned int page_offset;
+ struct page *page[0];
+};
+
+#define HFS_BNODE_LOCK 0
+#define HFS_BNODE_ERROR 1
+#define HFS_BNODE_NEW 2
+#define HFS_BNODE_DIRTY 3
+#define HFS_BNODE_DELETED 4
+
+/*
+ * Attributes file states
+ */
+#define HFSPLUS_EMPTY_ATTR_TREE 0
+#define HFSPLUS_CREATING_ATTR_TREE 1
+#define HFSPLUS_VALID_ATTR_TREE 2
+#define HFSPLUS_FAILED_ATTR_TREE 3
+
+/*
+ * HFS+ superblock info (built from Volume Header on disk)
+ */
+
+struct hfsplus_vh;
+struct hfs_btree;
+
+struct hfsplus_sb_info {
+ void *s_vhdr_buf;
+ struct hfsplus_vh *s_vhdr;
+ void *s_backup_vhdr_buf;
+ struct hfsplus_vh *s_backup_vhdr;
+ struct hfs_btree *ext_tree;
+ struct hfs_btree *cat_tree;
+ struct hfs_btree *attr_tree;
+ atomic_t attr_tree_state;
+ struct inode *alloc_file;
+ struct inode *hidden_dir;
+ struct nls_table *nls;
+
+ /* Runtime variables */
+ u32 blockoffset;
+ sector_t part_start;
+ sector_t sect_count;
+ int fs_shift;
+
+ /* immutable data from the volume header */
+ u32 alloc_blksz;
+ int alloc_blksz_shift;
+ u32 total_blocks;
+ u32 data_clump_blocks, rsrc_clump_blocks;
+
+ /* mutable data from the volume header, protected by alloc_mutex */
+ u32 free_blocks;
+ struct mutex alloc_mutex;
+
+ /* mutable data from the volume header, protected by vh_mutex */
+ u32 next_cnid;
+ u32 file_count;
+ u32 folder_count;
+ struct mutex vh_mutex;
+
+ /* Config options */
+ u32 creator;
+ u32 type;
+
+ umode_t umask;
+ kuid_t uid;
+ kgid_t gid;
+
+ int part, session;
+ unsigned long flags;
+
+ int work_queued; /* non-zero delayed work is queued */
+ struct delayed_work sync_work; /* FS sync delayed work */
+ spinlock_t work_lock; /* protects sync_work and work_queued */
+};
+
+#define HFSPLUS_SB_WRITEBACKUP 0
+#define HFSPLUS_SB_NODECOMPOSE 1
+#define HFSPLUS_SB_FORCE 2
+#define HFSPLUS_SB_HFSX 3
+#define HFSPLUS_SB_CASEFOLD 4
+#define HFSPLUS_SB_NOBARRIER 5
+
+static inline struct hfsplus_sb_info *HFSPLUS_SB(struct super_block *sb)
+{
+ return sb->s_fs_info;
+}
+
+
+struct hfsplus_inode_info {
+ atomic_t opencnt;
+
+ /*
+ * Extent allocation information, protected by extents_lock.
+ */
+ u32 first_blocks;
+ u32 clump_blocks;
+ u32 alloc_blocks;
+ u32 cached_start;
+ u32 cached_blocks;
+ hfsplus_extent_rec first_extents;
+ hfsplus_extent_rec cached_extents;
+ unsigned int extent_state;
+ struct mutex extents_lock;
+
+ /*
+ * Immutable data.
+ */
+ struct inode *rsrc_inode;
+ __be32 create_date;
+
+ /*
+ * Protected by sbi->vh_mutex.
+ */
+ u32 linkid;
+
+ /*
+ * Accessed using atomic bitops.
+ */
+ unsigned long flags;
+
+ /*
+ * Protected by i_mutex.
+ */
+ sector_t fs_blocks;
+ u8 userflags; /* BSD user file flags */
+ u32 subfolders; /* Subfolder count (HFSX only) */
+ struct list_head open_dir_list;
+ spinlock_t open_dir_lock;
+ loff_t phys_size;
+
+ struct inode vfs_inode;
+};
+
+#define HFSPLUS_EXT_DIRTY 0x0001
+#define HFSPLUS_EXT_NEW 0x0002
+
+#define HFSPLUS_I_RSRC 0 /* represents a resource fork */
+#define HFSPLUS_I_CAT_DIRTY 1 /* has changes in the catalog tree */
+#define HFSPLUS_I_EXT_DIRTY 2 /* has changes in the extent tree */
+#define HFSPLUS_I_ALLOC_DIRTY 3 /* has changes in the allocation file */
+#define HFSPLUS_I_ATTR_DIRTY 4 /* has changes in the attributes tree */
+
+#define HFSPLUS_IS_RSRC(inode) \
+ test_bit(HFSPLUS_I_RSRC, &HFSPLUS_I(inode)->flags)
+
+static inline struct hfsplus_inode_info *HFSPLUS_I(struct inode *inode)
+{
+ return container_of(inode, struct hfsplus_inode_info, vfs_inode);
+}
+
+/*
+ * Mark an inode dirty, and also mark the btree in which the
+ * specific type of metadata is stored.
+ * For data or metadata that gets written back by into the catalog btree
+ * by hfsplus_write_inode a plain mark_inode_dirty call is enough.
+ */
+static inline void hfsplus_mark_inode_dirty(struct inode *inode,
+ unsigned int flag)
+{
+ set_bit(flag, &HFSPLUS_I(inode)->flags);
+ mark_inode_dirty(inode);
+}
+
+struct hfs_find_data {
+ /* filled by caller */
+ hfsplus_btree_key *search_key;
+ hfsplus_btree_key *key;
+ /* filled by find */
+ struct hfs_btree *tree;
+ struct hfs_bnode *bnode;
+ /* filled by findrec */
+ int record;
+ int keyoffset, keylength;
+ int entryoffset, entrylength;
+};
+
+struct hfsplus_readdir_data {
+ struct list_head list;
+ struct file *file;
+ struct hfsplus_cat_key key;
+};
+
+/*
+ * Find minimum acceptible I/O size for an hfsplus sb.
+ */
+static inline unsigned short hfsplus_min_io_size(struct super_block *sb)
+{
+ return max_t(unsigned short, bdev_logical_block_size(sb->s_bdev),
+ HFSPLUS_SECTOR_SIZE);
+}
+
+#define hfs_btree_open hfsplus_btree_open
+#define hfs_btree_close hfsplus_btree_close
+#define hfs_btree_write hfsplus_btree_write
+#define hfs_bmap_reserve hfsplus_bmap_reserve
+#define hfs_bmap_alloc hfsplus_bmap_alloc
+#define hfs_bmap_free hfsplus_bmap_free
+#define hfs_bnode_read hfsplus_bnode_read
+#define hfs_bnode_read_u16 hfsplus_bnode_read_u16
+#define hfs_bnode_read_u8 hfsplus_bnode_read_u8
+#define hfs_bnode_read_key hfsplus_bnode_read_key
+#define hfs_bnode_write hfsplus_bnode_write
+#define hfs_bnode_write_u16 hfsplus_bnode_write_u16
+#define hfs_bnode_clear hfsplus_bnode_clear
+#define hfs_bnode_copy hfsplus_bnode_copy
+#define hfs_bnode_move hfsplus_bnode_move
+#define hfs_bnode_dump hfsplus_bnode_dump
+#define hfs_bnode_unlink hfsplus_bnode_unlink
+#define hfs_bnode_findhash hfsplus_bnode_findhash
+#define hfs_bnode_find hfsplus_bnode_find
+#define hfs_bnode_unhash hfsplus_bnode_unhash
+#define hfs_bnode_free hfsplus_bnode_free
+#define hfs_bnode_create hfsplus_bnode_create
+#define hfs_bnode_get hfsplus_bnode_get
+#define hfs_bnode_put hfsplus_bnode_put
+#define hfs_brec_lenoff hfsplus_brec_lenoff
+#define hfs_brec_keylen hfsplus_brec_keylen
+#define hfs_brec_insert hfsplus_brec_insert
+#define hfs_brec_remove hfsplus_brec_remove
+#define hfs_find_init hfsplus_find_init
+#define hfs_find_exit hfsplus_find_exit
+#define __hfs_brec_find __hfsplus_brec_find
+#define hfs_brec_find hfsplus_brec_find
+#define hfs_brec_read hfsplus_brec_read
+#define hfs_brec_goto hfsplus_brec_goto
+#define hfs_part_find hfsplus_part_find
+
+/*
+ * definitions for ext2 flag ioctls (linux really needs a generic
+ * interface for this).
+ */
+
+/* ext2 ioctls (EXT2_IOC_GETFLAGS and EXT2_IOC_SETFLAGS) to support
+ * chattr/lsattr */
+#define HFSPLUS_IOC_EXT2_GETFLAGS FS_IOC_GETFLAGS
+#define HFSPLUS_IOC_EXT2_SETFLAGS FS_IOC_SETFLAGS
+
+
+/*
+ * hfs+-specific ioctl for making the filesystem bootable
+ */
+#define HFSPLUS_IOC_BLESS _IO('h', 0x80)
+
+typedef int (*search_strategy_t)(struct hfs_bnode *,
+ struct hfs_find_data *,
+ int *, int *, int *);
+
+/*
+ * Functions in any *.c used in other files
+ */
+
+/* attributes.c */
+int __init hfsplus_create_attr_tree_cache(void);
+void hfsplus_destroy_attr_tree_cache(void);
+int hfsplus_attr_bin_cmp_key(const hfsplus_btree_key *k1,
+ const hfsplus_btree_key *k2);
+int hfsplus_attr_build_key(struct super_block *sb, hfsplus_btree_key *key,
+ u32 cnid, const char *name);
+hfsplus_attr_entry *hfsplus_alloc_attr_entry(void);
+void hfsplus_destroy_attr_entry(hfsplus_attr_entry *entry);
+int hfsplus_find_attr(struct super_block *sb, u32 cnid, const char *name,
+ struct hfs_find_data *fd);
+int hfsplus_attr_exists(struct inode *inode, const char *name);
+int hfsplus_create_attr(struct inode *inode, const char *name,
+ const void *value, size_t size);
+int hfsplus_delete_attr(struct inode *inode, const char *name);
+int hfsplus_delete_all_attrs(struct inode *dir, u32 cnid);
+
+/* bitmap.c */
+int hfsplus_block_allocate(struct super_block *sb, u32 size, u32 offset,
+ u32 *max);
+int hfsplus_block_free(struct super_block *sb, u32 offset, u32 count);
+
+/* btree.c */
+u32 hfsplus_calc_btree_clump_size(u32 block_size, u32 node_size, u64 sectors,
+ int file_id);
+struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id);
+void hfs_btree_close(struct hfs_btree *tree);
+int hfs_btree_write(struct hfs_btree *tree);
+int hfs_bmap_reserve(struct hfs_btree *tree, int rsvd_nodes);
+struct hfs_bnode *hfs_bmap_alloc(struct hfs_btree *tree);
+void hfs_bmap_free(struct hfs_bnode *node);
+
+/* bnode.c */
+void hfs_bnode_read(struct hfs_bnode *node, void *buf, int off, int len);
+u16 hfs_bnode_read_u16(struct hfs_bnode *node, int off);
+u8 hfs_bnode_read_u8(struct hfs_bnode *node, int off);
+void hfs_bnode_read_key(struct hfs_bnode *node, void *key, int off);
+void hfs_bnode_write(struct hfs_bnode *node, void *buf, int off, int len);
+void hfs_bnode_write_u16(struct hfs_bnode *node, int off, u16 data);
+void hfs_bnode_clear(struct hfs_bnode *node, int off, int len);
+void hfs_bnode_copy(struct hfs_bnode *dst_node, int dst,
+ struct hfs_bnode *src_node, int src, int len);
+void hfs_bnode_move(struct hfs_bnode *node, int dst, int src, int len);
+void hfs_bnode_dump(struct hfs_bnode *node);
+void hfs_bnode_unlink(struct hfs_bnode *node);
+struct hfs_bnode *hfs_bnode_findhash(struct hfs_btree *tree, u32 cnid);
+void hfs_bnode_unhash(struct hfs_bnode *node);
+struct hfs_bnode *hfs_bnode_find(struct hfs_btree *tree, u32 num);
+void hfs_bnode_free(struct hfs_bnode *node);
+struct hfs_bnode *hfs_bnode_create(struct hfs_btree *tree, u32 num);
+void hfs_bnode_get(struct hfs_bnode *node);
+void hfs_bnode_put(struct hfs_bnode *node);
+bool hfs_bnode_need_zeroout(struct hfs_btree *tree);
+
+/* brec.c */
+u16 hfs_brec_lenoff(struct hfs_bnode *node, u16 rec, u16 *off);
+u16 hfs_brec_keylen(struct hfs_bnode *node, u16 rec);
+int hfs_brec_insert(struct hfs_find_data *fd, void *entry, int entry_len);
+int hfs_brec_remove(struct hfs_find_data *fd);
+
+/* bfind.c */
+int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd);
+void hfs_find_exit(struct hfs_find_data *fd);
+int hfs_find_1st_rec_by_cnid(struct hfs_bnode *bnode, struct hfs_find_data *fd,
+ int *begin, int *end, int *cur_rec);
+int hfs_find_rec_by_key(struct hfs_bnode *bnode, struct hfs_find_data *fd,
+ int *begin, int *end, int *cur_rec);
+int __hfs_brec_find(struct hfs_bnode *bnode, struct hfs_find_data *fd,
+ search_strategy_t rec_found);
+int hfs_brec_find(struct hfs_find_data *fd, search_strategy_t do_key_compare);
+int hfs_brec_read(struct hfs_find_data *fd, void *rec, int rec_len);
+int hfs_brec_goto(struct hfs_find_data *fd, int cnt);
+
+/* catalog.c */
+int hfsplus_cat_case_cmp_key(const hfsplus_btree_key *k1,
+ const hfsplus_btree_key *k2);
+int hfsplus_cat_bin_cmp_key(const hfsplus_btree_key *k1,
+ const hfsplus_btree_key *k2);
+int hfsplus_cat_build_key(struct super_block *sb, hfsplus_btree_key *key,
+ u32 parent, const struct qstr *str);
+void hfsplus_cat_build_key_with_cnid(struct super_block *sb,
+ hfsplus_btree_key *key, u32 parent);
+void hfsplus_cat_set_perms(struct inode *inode, struct hfsplus_perm *perms);
+int hfsplus_find_cat(struct super_block *sb, u32 cnid,
+ struct hfs_find_data *fd);
+int hfsplus_create_cat(u32 cnid, struct inode *dir, const struct qstr *str,
+ struct inode *inode);
+int hfsplus_delete_cat(u32 cnid, struct inode *dir, const struct qstr *str);
+int hfsplus_rename_cat(u32 cnid, struct inode *src_dir, const struct qstr *src_name,
+ struct inode *dst_dir, const struct qstr *dst_name);
+
+/* dir.c */
+extern const struct inode_operations hfsplus_dir_inode_operations;
+extern const struct file_operations hfsplus_dir_operations;
+
+/* extents.c */
+int hfsplus_ext_cmp_key(const hfsplus_btree_key *k1,
+ const hfsplus_btree_key *k2);
+int hfsplus_ext_write_extent(struct inode *inode);
+int hfsplus_get_block(struct inode *inode, sector_t iblock,
+ struct buffer_head *bh_result, int create);
+int hfsplus_free_fork(struct super_block *sb, u32 cnid,
+ struct hfsplus_fork_raw *fork, int type);
+int hfsplus_file_extend(struct inode *inode, bool zeroout);
+void hfsplus_file_truncate(struct inode *inode);
+
+/* inode.c */
+extern const struct address_space_operations hfsplus_aops;
+extern const struct address_space_operations hfsplus_btree_aops;
+extern const struct dentry_operations hfsplus_dentry_operations;
+
+struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode);
+void hfsplus_delete_inode(struct inode *inode);
+void hfsplus_inode_read_fork(struct inode *inode,
+ struct hfsplus_fork_raw *fork);
+void hfsplus_inode_write_fork(struct inode *inode,
+ struct hfsplus_fork_raw *fork);
+int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd);
+int hfsplus_cat_write_inode(struct inode *inode);
+int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
+ int datasync);
+
+/* ioctl.c */
+long hfsplus_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
+
+/* options.c */
+void hfsplus_fill_defaults(struct hfsplus_sb_info *opts);
+int hfsplus_parse_options_remount(char *input, int *force);
+int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi);
+int hfsplus_show_options(struct seq_file *seq, struct dentry *root);
+
+/* part_tbl.c */
+int hfs_part_find(struct super_block *sb, sector_t *part_start,
+ sector_t *part_size);
+
+/* super.c */
+struct inode *hfsplus_iget(struct super_block *sb, unsigned long ino);
+void hfsplus_mark_mdb_dirty(struct super_block *sb);
+
+/* tables.c */
+extern u16 hfsplus_case_fold_table[];
+extern u16 hfsplus_decompose_table[];
+extern u16 hfsplus_compose_table[];
+
+/* unicode.c */
+int hfsplus_strcasecmp(const struct hfsplus_unistr *s1,
+ const struct hfsplus_unistr *s2);
+int hfsplus_strcmp(const struct hfsplus_unistr *s1,
+ const struct hfsplus_unistr *s2);
+int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr,
+ char *astr, int *len_p);
+int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr,
+ int max_unistr_len, const char *astr, int len);
+int hfsplus_hash_dentry(const struct dentry *dentry, struct qstr *str);
+int hfsplus_compare_dentry(const struct dentry *dentry, unsigned int len,
+ const char *str, const struct qstr *name);
+
+/* wrapper.c */
+int hfsplus_submit_bio(struct super_block *sb, sector_t sector, void *buf,
+ void **data, int op, int op_flags);
+int hfsplus_read_wrapper(struct super_block *sb);
+
+/* time macros */
+#define __hfsp_mt2ut(t) (be32_to_cpu(t) - 2082844800U)
+#define __hfsp_ut2mt(t) (cpu_to_be32(t + 2082844800U))
+
+/* compatibility */
+#define hfsp_mt2ut(t) (struct timespec){ .tv_sec = __hfsp_mt2ut(t) }
+#define hfsp_ut2mt(t) __hfsp_ut2mt((t).tv_sec)
+#define hfsp_now2mt() __hfsp_ut2mt(get_seconds())
+
+#endif