1 files changed, 326 insertions, 0 deletions
diff --git a/fs/hfsplus/hfsplus_raw.h b/fs/hfsplus/hfsplus_raw.h
new file mode 100644
index 000000000000..5bad37cfdb29
--- /dev/null
+++ b/fs/hfsplus/hfsplus_raw.h
@@ -0,0 +1,326 @@
+/*
+ *  linux/include/linux/hfsplus_raw.h
+ *
+ * Copyright (C) 1999
+ * Brad Boyer (flar@pants.nu)
+ * (C) 2003 Ardis Technologies <roman@ardistech.com>
+ *
+ * Format of structures on disk
+ * Information taken from Apple Technote #1150 (HFS Plus Volume Format)
+ *
+ */
+
+#ifndef _LINUX_HFSPLUS_RAW_H
+#define _LINUX_HFSPLUS_RAW_H
+
+#include <linux/types.h>
+
+#define __packed __attribute__ ((packed))
+
+/* Some constants */
+#define HFSPLUS_SECTOR_SIZE        512
+#define HFSPLUS_SECTOR_SHIFT         9
+#define HFSPLUS_VOLHEAD_SECTOR       2
+#define HFSPLUS_VOLHEAD_SIG     0x482b
+#define HFSPLUS_SUPER_MAGIC     0x482b
+#define HFSPLUS_CURRENT_VERSION      4
+
+#define HFSP_WRAP_MAGIC         0x4244
+#define HFSP_WRAP_ATTRIB_SLOCK  0x8000
+#define HFSP_WRAP_ATTRIB_SPARED 0x0200
+
+#define HFSP_WRAPOFF_SIG          0x00
+#define HFSP_WRAPOFF_ATTRIB       0x0A
+#define HFSP_WRAPOFF_ABLKSIZE     0x14
+#define HFSP_WRAPOFF_ABLKSTART    0x1C
+#define HFSP_WRAPOFF_EMBEDSIG     0x7C
+#define HFSP_WRAPOFF_EMBEDEXT     0x7E
+
+#define HFSP_HIDDENDIR_NAME	"\xe2\x90\x80\xe2\x90\x80\xe2\x90\x80\xe2\x90\x80HFS+ Private Data"
+
+#define HFSP_HARDLINK_TYPE	0x686c6e6b	/* 'hlnk' */
+#define HFSP_HFSPLUS_CREATOR	0x6866732b	/* 'hfs+' */
+
+#define HFSP_MOUNT_VERSION	0x482b4c78	/* 'H+Lx' */
+
+/* Structures used on disk */
+
+typedef __be32 hfsplus_cnid;
+typedef __be16 hfsplus_unichr;
+
+/* A "string" as used in filenames, etc. */
+struct hfsplus_unistr {
+	__be16 length;
+	hfsplus_unichr unicode[255];
+} __packed;
+
+#define HFSPLUS_MAX_STRLEN 255
+
+/* POSIX permissions */
+struct hfsplus_perm {
+	__be32 owner;
+	__be32 group;
+	u8  rootflags;
+	u8  userflags;
+	__be16 mode;
+	__be32 dev;
+} __packed;
+
+#define HFSPLUS_FLG_NODUMP	0x01
+#define HFSPLUS_FLG_IMMUTABLE	0x02
+#define HFSPLUS_FLG_APPEND	0x04
+
+/* A single contiguous area of a file */
+struct hfsplus_extent {
+	__be32 start_block;
+	__be32 block_count;
+} __packed;
+typedef struct hfsplus_extent hfsplus_extent_rec[8];
+
+/* Information for a "Fork" in a file */
+struct hfsplus_fork_raw {
+	__be64 total_size;
+	__be32 clump_size;
+	__be32 total_blocks;
+	hfsplus_extent_rec extents;
+} __packed;
+
+/* HFS+ Volume Header */
+struct hfsplus_vh {
+	__be16 signature;
+	__be16 version;
+	__be32 attributes;
+	__be32 last_mount_vers;
+	u32 reserved;
+
+	__be32 create_date;
+	__be32 modify_date;
+	__be32 backup_date;
+	__be32 checked_date;
+
+	__be32 file_count;
+	__be32 folder_count;
+
+	__be32 blocksize;
+	__be32 total_blocks;
+	__be32 free_blocks;
+
+	__be32 next_alloc;
+	__be32 rsrc_clump_sz;
+	__be32 data_clump_sz;
+	hfsplus_cnid next_cnid;
+
+	__be32 write_count;
+	__be64 encodings_bmp;
+
+	u8 finder_info[32];
+
+	struct hfsplus_fork_raw alloc_file;
+	struct hfsplus_fork_raw ext_file;
+	struct hfsplus_fork_raw cat_file;
+	struct hfsplus_fork_raw attr_file;
+	struct hfsplus_fork_raw start_file;
+} __packed;
+
+/* HFS+ volume attributes */
+#define HFSPLUS_VOL_UNMNT     (1 << 8)
+#define HFSPLUS_VOL_SPARE_BLK (1 << 9)
+#define HFSPLUS_VOL_NOCACHE   (1 << 10)
+#define HFSPLUS_VOL_INCNSTNT  (1 << 11)
+#define HFSPLUS_VOL_SOFTLOCK  (1 << 15)
+
+/* HFS+ BTree node descriptor */
+struct hfs_bnode_desc {
+	__be32 next;
+	__be32 prev;
+	s8 type;
+	u8 height;
+	__be16 num_recs;
+	u16 reserved;
+} __packed;
+
+/* HFS+ BTree node types */
+#define HFS_NODE_INDEX	0x00
+#define HFS_NODE_HEADER	0x01
+#define HFS_NODE_MAP	0x02
+#define HFS_NODE_LEAF	0xFF
+
+/* HFS+ BTree header */
+struct hfs_btree_header_rec {
+	__be16 depth;
+	__be32 root;
+	__be32 leaf_count;
+	__be32 leaf_head;
+	__be32 leaf_tail;
+	__be16 node_size;
+	__be16 max_key_len;
+	__be32 node_count;
+	__be32 free_nodes;
+	u16 reserved1;
+	__be32 clump_size;
+	u8 btree_type;
+	u8 reserved2;
+	__be32 attributes;
+	u32 reserved3[16];
+} __packed;
+
+/* BTree attributes */
+#define HFS_TREE_BIGKEYS	2
+#define HFS_TREE_VARIDXKEYS	4
+
+/* HFS+ BTree misc info */
+#define HFSPLUS_TREE_HEAD 0
+#define HFSPLUS_NODE_MXSZ 32768
+
+/* Some special File ID numbers (stolen from hfs.h) */
+#define HFSPLUS_POR_CNID		1	/* Parent Of the Root */
+#define HFSPLUS_ROOT_CNID		2	/* ROOT directory */
+#define HFSPLUS_EXT_CNID		3	/* EXTents B-tree */
+#define HFSPLUS_CAT_CNID		4	/* CATalog B-tree */
+#define HFSPLUS_BAD_CNID		5	/* BAD blocks file */
+#define HFSPLUS_ALLOC_CNID		6	/* ALLOCation file */
+#define HFSPLUS_START_CNID		7	/* STARTup file */
+#define HFSPLUS_ATTR_CNID		8	/* ATTRibutes file */
+#define HFSPLUS_EXCH_CNID		15	/* ExchangeFiles temp id */
+#define HFSPLUS_FIRSTUSER_CNID		16	/* first available user id */
+
+/* HFS+ catalog entry key */
+struct hfsplus_cat_key {
+	__be16 key_len;
+	hfsplus_cnid parent;
+	struct hfsplus_unistr name;
+} __packed;
+
+
+/* Structs from hfs.h */
+struct hfsp_point {
+	__be16 v;
+	__be16 h;
+} __packed;
+
+struct hfsp_rect {
+	__be16 top;
+	__be16 left;
+	__be16 bottom;
+	__be16 right;
+} __packed;
+
+
+/* HFS directory info (stolen from hfs.h */
+struct DInfo {
+	struct hfsp_rect frRect;
+	__be16 frFlags;
+	struct hfsp_point frLocation;
+	__be16 frView;
+} __packed;
+
+struct DXInfo {
+	struct hfsp_point frScroll;
+	__be32 frOpenChain;
+	__be16 frUnused;
+	__be16 frComment;
+	__be32 frPutAway;
+} __packed;
+
+/* HFS+ folder data (part of an hfsplus_cat_entry) */
+struct hfsplus_cat_folder {
+	__be16 type;
+	__be16 flags;
+	__be32 valence;
+	hfsplus_cnid id;
+	__be32 create_date;
+	__be32 content_mod_date;
+	__be32 attribute_mod_date;
+	__be32 access_date;
+	__be32 backup_date;
+	struct hfsplus_perm permissions;
+	struct DInfo user_info;
+	struct DXInfo finder_info;
+	__be32 text_encoding;
+	u32 reserved;
+} __packed;
+
+/* HFS file info (stolen from hfs.h) */
+struct FInfo {
+	__be32 fdType;
+	__be32 fdCreator;
+	__be16 fdFlags;
+	struct hfsp_point fdLocation;
+	__be16 fdFldr;
+} __packed;
+
+struct FXInfo {
+	__be16 fdIconID;
+	u8 fdUnused[8];
+	__be16 fdComment;
+	__be32 fdPutAway;
+} __packed;
+
+/* HFS+ file data (part of a cat_entry) */
+struct hfsplus_cat_file {
+	__be16 type;
+	__be16 flags;
+	u32 reserved1;
+	hfsplus_cnid id;
+	__be32 create_date;
+	__be32 content_mod_date;
+	__be32 attribute_mod_date;
+	__be32 access_date;
+	__be32 backup_date;
+	struct hfsplus_perm permissions;
+	struct FInfo user_info;
+	struct FXInfo finder_info;
+	__be32 text_encoding;
+	u32 reserved2;
+
+	struct hfsplus_fork_raw data_fork;
+	struct hfsplus_fork_raw rsrc_fork;
+} __packed;
+
+/* File attribute bits */
+#define HFSPLUS_FILE_LOCKED		0x0001
+#define HFSPLUS_FILE_THREAD_EXISTS	0x0002
+
+/* HFS+ catalog thread (part of a cat_entry) */
+struct hfsplus_cat_thread {
+	__be16 type;
+	s16 reserved;
+	hfsplus_cnid parentID;
+	struct hfsplus_unistr nodeName;
+} __packed;
+
+#define HFSPLUS_MIN_THREAD_SZ 10
+
+/* A data record in the catalog tree */
+typedef union {
+	__be16 type;
+	struct hfsplus_cat_folder folder;
+	struct hfsplus_cat_file file;
+	struct hfsplus_cat_thread thread;
+} __packed hfsplus_cat_entry;
+
+/* HFS+ catalog entry type */
+#define HFSPLUS_FOLDER         0x0001
+#define HFSPLUS_FILE           0x0002
+#define HFSPLUS_FOLDER_THREAD  0x0003
+#define HFSPLUS_FILE_THREAD    0x0004
+
+/* HFS+ extents tree key */
+struct hfsplus_ext_key {
+	__be16 key_len;
+	u8 fork_type;
+	u8 pad;
+	hfsplus_cnid cnid;
+	__be32 start_block;
+} __packed;
+
+#define HFSPLUS_EXT_KEYLEN 12
+
+/* HFS+ generic BTree key */
+typedef union {
+	__be16 key_len;
+	struct hfsplus_cat_key cat;
+	struct hfsplus_ext_key ext;
+} __packed hfsplus_btree_key;
+
+#endif