2 * linux/include/linux/hfsplus_raw.h
5 * Brad Boyer (flar@pants.nu)
6 * (C) 2003 Ardis Technologies <roman@ardistech.com>
8 * Format of structures on disk
9 * Information taken from Apple Technote #1150 (HFS Plus Volume Format)
13 #ifndef _LINUX_HFSPLUS_RAW_H
14 #define _LINUX_HFSPLUS_RAW_H
16 #include <linux/types.h>
18 #define __packed __attribute__ ((packed))
21 #define HFSPLUS_SECTOR_SIZE 512
22 #define HFSPLUS_SECTOR_SHIFT 9
23 #define HFSPLUS_VOLHEAD_SECTOR 2
24 #define HFSPLUS_VOLHEAD_SIG 0x482b
25 #define HFSPLUS_VOLHEAD_SIGX 0x4858
26 #define HFSPLUS_SUPER_MAGIC 0x482b
27 #define HFSPLUS_MIN_VERSION 4
28 #define HFSPLUS_CURRENT_VERSION 5
30 #define HFSP_WRAP_MAGIC 0x4244
31 #define HFSP_WRAP_ATTRIB_SLOCK 0x8000
32 #define HFSP_WRAP_ATTRIB_SPARED 0x0200
34 #define HFSP_WRAPOFF_SIG 0x00
35 #define HFSP_WRAPOFF_ATTRIB 0x0A
36 #define HFSP_WRAPOFF_ABLKSIZE 0x14
37 #define HFSP_WRAPOFF_ABLKSTART 0x1C
38 #define HFSP_WRAPOFF_EMBEDSIG 0x7C
39 #define HFSP_WRAPOFF_EMBEDEXT 0x7E
41 #define HFSP_HIDDENDIR_NAME "\xe2\x90\x80\xe2\x90\x80\xe2\x90\x80\xe2\x90\x80HFS+ Private Data"
43 #define HFSP_HARDLINK_TYPE 0x686c6e6b /* 'hlnk' */
44 #define HFSP_HFSPLUS_CREATOR 0x6866732b /* 'hfs+' */
46 #define HFSP_MOUNT_VERSION 0x482b4c78 /* 'H+Lx' */
48 /* Structures used on disk */
50 typedef __be32 hfsplus_cnid;
51 typedef __be16 hfsplus_unichr;
53 /* A "string" as used in filenames, etc. */
54 struct hfsplus_unistr {
56 hfsplus_unichr unicode[255];
59 #define HFSPLUS_MAX_STRLEN 255
61 /* POSIX permissions */
71 #define HFSPLUS_FLG_NODUMP 0x01
72 #define HFSPLUS_FLG_IMMUTABLE 0x02
73 #define HFSPLUS_FLG_APPEND 0x04
75 /* A single contiguous area of a file */
76 struct hfsplus_extent {
80 typedef struct hfsplus_extent hfsplus_extent_rec[8];
82 /* Information for a "Fork" in a file */
83 struct hfsplus_fork_raw {
87 hfsplus_extent_rec extents;
90 /* HFS+ Volume Header */
95 __be32 last_mount_vers;
111 __be32 rsrc_clump_sz;
112 __be32 data_clump_sz;
113 hfsplus_cnid next_cnid;
116 __be64 encodings_bmp;
120 struct hfsplus_fork_raw alloc_file;
121 struct hfsplus_fork_raw ext_file;
122 struct hfsplus_fork_raw cat_file;
123 struct hfsplus_fork_raw attr_file;
124 struct hfsplus_fork_raw start_file;
127 /* HFS+ volume attributes */
128 #define HFSPLUS_VOL_UNMNT (1 << 8)
129 #define HFSPLUS_VOL_SPARE_BLK (1 << 9)
130 #define HFSPLUS_VOL_NOCACHE (1 << 10)
131 #define HFSPLUS_VOL_INCNSTNT (1 << 11)
132 #define HFSPLUS_VOL_NODEID_REUSED (1 << 12)
133 #define HFSPLUS_VOL_JOURNALED (1 << 13)
134 #define HFSPLUS_VOL_SOFTLOCK (1 << 15)
136 /* HFS+ BTree node descriptor */
137 struct hfs_bnode_desc {
146 /* HFS+ BTree node types */
147 #define HFS_NODE_INDEX 0x00
148 #define HFS_NODE_HEADER 0x01
149 #define HFS_NODE_MAP 0x02
150 #define HFS_NODE_LEAF 0xFF
152 /* HFS+ BTree header */
153 struct hfs_btree_header_rec {
171 /* BTree attributes */
172 #define HFS_TREE_BIGKEYS 2
173 #define HFS_TREE_VARIDXKEYS 4
175 /* HFS+ BTree misc info */
176 #define HFSPLUS_TREE_HEAD 0
177 #define HFSPLUS_NODE_MXSZ 32768
179 /* Some special File ID numbers (stolen from hfs.h) */
180 #define HFSPLUS_POR_CNID 1 /* Parent Of the Root */
181 #define HFSPLUS_ROOT_CNID 2 /* ROOT directory */
182 #define HFSPLUS_EXT_CNID 3 /* EXTents B-tree */
183 #define HFSPLUS_CAT_CNID 4 /* CATalog B-tree */
184 #define HFSPLUS_BAD_CNID 5 /* BAD blocks file */
185 #define HFSPLUS_ALLOC_CNID 6 /* ALLOCation file */
186 #define HFSPLUS_START_CNID 7 /* STARTup file */
187 #define HFSPLUS_ATTR_CNID 8 /* ATTRibutes file */
188 #define HFSPLUS_EXCH_CNID 15 /* ExchangeFiles temp id */
189 #define HFSPLUS_FIRSTUSER_CNID 16 /* first available user id */
192 #define HFSPLUS_KEY_CASEFOLDING 0xCF /* case-insensitive */
193 #define HFSPLUS_KEY_BINARY 0xBC /* case-sensitive */
195 /* HFS+ catalog entry key */
196 struct hfsplus_cat_key {
199 struct hfsplus_unistr name;
203 /* Structs from hfs.h */
217 /* HFS directory info (stolen from hfs.h */
219 struct hfsp_rect frRect;
221 struct hfsp_point frLocation;
226 struct hfsp_point frScroll;
233 /* HFS+ folder data (part of an hfsplus_cat_entry) */
234 struct hfsplus_cat_folder {
240 __be32 content_mod_date;
241 __be32 attribute_mod_date;
244 struct hfsplus_perm permissions;
245 struct DInfo user_info;
246 struct DXInfo finder_info;
247 __be32 text_encoding;
251 /* HFS file info (stolen from hfs.h) */
256 struct hfsp_point fdLocation;
267 /* HFS+ file data (part of a cat_entry) */
268 struct hfsplus_cat_file {
274 __be32 content_mod_date;
275 __be32 attribute_mod_date;
278 struct hfsplus_perm permissions;
279 struct FInfo user_info;
280 struct FXInfo finder_info;
281 __be32 text_encoding;
284 struct hfsplus_fork_raw data_fork;
285 struct hfsplus_fork_raw rsrc_fork;
288 /* File attribute bits */
289 #define HFSPLUS_FILE_LOCKED 0x0001
290 #define HFSPLUS_FILE_THREAD_EXISTS 0x0002
292 /* HFS+ catalog thread (part of a cat_entry) */
293 struct hfsplus_cat_thread {
296 hfsplus_cnid parentID;
297 struct hfsplus_unistr nodeName;
300 #define HFSPLUS_MIN_THREAD_SZ 10
302 /* A data record in the catalog tree */
305 struct hfsplus_cat_folder folder;
306 struct hfsplus_cat_file file;
307 struct hfsplus_cat_thread thread;
308 } __packed hfsplus_cat_entry;
310 /* HFS+ catalog entry type */
311 #define HFSPLUS_FOLDER 0x0001
312 #define HFSPLUS_FILE 0x0002
313 #define HFSPLUS_FOLDER_THREAD 0x0003
314 #define HFSPLUS_FILE_THREAD 0x0004
316 /* HFS+ extents tree key */
317 struct hfsplus_ext_key {
325 #define HFSPLUS_EXT_KEYLEN 12
327 /* HFS+ generic BTree key */
330 struct hfsplus_cat_key cat;
331 struct hfsplus_ext_key ext;
332 } __packed hfsplus_btree_key;