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>
19 #define HFSPLUS_SECTOR_SIZE 512
20 #define HFSPLUS_SECTOR_SHIFT 9
21 #define HFSPLUS_VOLHEAD_SECTOR 2
22 #define HFSPLUS_VOLHEAD_SIG 0x482b
23 #define HFSPLUS_VOLHEAD_SIGX 0x4858
24 #define HFSPLUS_SUPER_MAGIC 0x482b
25 #define HFSPLUS_MIN_VERSION 4
26 #define HFSPLUS_CURRENT_VERSION 5
28 #define HFSP_WRAP_MAGIC 0x4244
29 #define HFSP_WRAP_ATTRIB_SLOCK 0x8000
30 #define HFSP_WRAP_ATTRIB_SPARED 0x0200
32 #define HFSP_WRAPOFF_SIG 0x00
33 #define HFSP_WRAPOFF_ATTRIB 0x0A
34 #define HFSP_WRAPOFF_ABLKSIZE 0x14
35 #define HFSP_WRAPOFF_ABLKSTART 0x1C
36 #define HFSP_WRAPOFF_EMBEDSIG 0x7C
37 #define HFSP_WRAPOFF_EMBEDEXT 0x7E
39 #define HFSP_HIDDENDIR_NAME \
40 "\xe2\x90\x80\xe2\x90\x80\xe2\x90\x80\xe2\x90\x80HFS+ Private Data"
42 #define HFSP_HARDLINK_TYPE 0x686c6e6b /* 'hlnk' */
43 #define HFSP_HFSPLUS_CREATOR 0x6866732b /* 'hfs+' */
45 #define HFSP_SYMLINK_TYPE 0x736c6e6b /* 'slnk' */
46 #define HFSP_SYMLINK_CREATOR 0x72686170 /* 'rhap' */
48 #define HFSP_MOUNT_VERSION 0x482b4c78 /* 'H+Lx' */
50 /* Structures used on disk */
52 typedef __be32 hfsplus_cnid;
53 typedef __be16 hfsplus_unichr;
55 #define HFSPLUS_MAX_STRLEN 255
56 #define HFSPLUS_ATTR_MAX_STRLEN 127
58 #define HFSPLUS_STRING(name, max_len) \
59 struct hfsplus_##name { \
61 hfsplus_unichr unicode[max_len]; \
64 /* A "string" as used in filenames, etc. */
65 HFSPLUS_STRING(unistr, HFSPLUS_MAX_STRLEN)
67 /* A "string" is used in attributes file
68 for name of extended attribute */
69 HFSPLUS_STRING(attr_unistr, HFSPLUS_ATTR_MAX_STRLEN)
71 /* POSIX permissions */
81 #define HFSPLUS_FLG_NODUMP 0x01
82 #define HFSPLUS_FLG_IMMUTABLE 0x02
83 #define HFSPLUS_FLG_APPEND 0x04
85 /* A single contiguous area of a file */
86 struct hfsplus_extent {
90 typedef struct hfsplus_extent hfsplus_extent_rec[8];
92 /* Information for a "Fork" in a file */
93 struct hfsplus_fork_raw {
97 hfsplus_extent_rec extents;
100 /* HFS+ Volume Header */
105 __be32 last_mount_vers;
121 __be32 rsrc_clump_sz;
122 __be32 data_clump_sz;
123 hfsplus_cnid next_cnid;
126 __be64 encodings_bmp;
130 struct hfsplus_fork_raw alloc_file;
131 struct hfsplus_fork_raw ext_file;
132 struct hfsplus_fork_raw cat_file;
133 struct hfsplus_fork_raw attr_file;
134 struct hfsplus_fork_raw start_file;
137 /* HFS+ volume attributes */
138 #define HFSPLUS_VOL_UNMNT (1 << 8)
139 #define HFSPLUS_VOL_SPARE_BLK (1 << 9)
140 #define HFSPLUS_VOL_NOCACHE (1 << 10)
141 #define HFSPLUS_VOL_INCNSTNT (1 << 11)
142 #define HFSPLUS_VOL_NODEID_REUSED (1 << 12)
143 #define HFSPLUS_VOL_JOURNALED (1 << 13)
144 #define HFSPLUS_VOL_SOFTLOCK (1 << 15)
146 /* HFS+ BTree node descriptor */
147 struct hfs_bnode_desc {
156 /* HFS+ BTree node types */
157 #define HFS_NODE_INDEX 0x00
158 #define HFS_NODE_HEADER 0x01
159 #define HFS_NODE_MAP 0x02
160 #define HFS_NODE_LEAF 0xFF
162 /* HFS+ BTree header */
163 struct hfs_btree_header_rec {
181 /* BTree attributes */
182 #define HFS_TREE_BIGKEYS 2
183 #define HFS_TREE_VARIDXKEYS 4
185 /* HFS+ BTree misc info */
186 #define HFSPLUS_TREE_HEAD 0
187 #define HFSPLUS_NODE_MXSZ 32768
189 /* Some special File ID numbers (stolen from hfs.h) */
190 #define HFSPLUS_POR_CNID 1 /* Parent Of the Root */
191 #define HFSPLUS_ROOT_CNID 2 /* ROOT directory */
192 #define HFSPLUS_EXT_CNID 3 /* EXTents B-tree */
193 #define HFSPLUS_CAT_CNID 4 /* CATalog B-tree */
194 #define HFSPLUS_BAD_CNID 5 /* BAD blocks file */
195 #define HFSPLUS_ALLOC_CNID 6 /* ALLOCation file */
196 #define HFSPLUS_START_CNID 7 /* STARTup file */
197 #define HFSPLUS_ATTR_CNID 8 /* ATTRibutes file */
198 #define HFSPLUS_EXCH_CNID 15 /* ExchangeFiles temp id */
199 #define HFSPLUS_FIRSTUSER_CNID 16 /* first available user id */
202 #define HFSPLUS_KEY_CASEFOLDING 0xCF /* case-insensitive */
203 #define HFSPLUS_KEY_BINARY 0xBC /* case-sensitive */
205 /* HFS+ catalog entry key */
206 struct hfsplus_cat_key {
209 struct hfsplus_unistr name;
212 #define HFSPLUS_CAT_KEYLEN (sizeof(struct hfsplus_cat_key))
214 /* Structs from hfs.h */
228 /* HFS directory info (stolen from hfs.h */
230 struct hfsp_rect frRect;
232 struct hfsp_point frLocation;
237 struct hfsp_point frScroll;
244 /* HFS+ folder data (part of an hfsplus_cat_entry) */
245 struct hfsplus_cat_folder {
251 __be32 content_mod_date;
252 __be32 attribute_mod_date;
255 struct hfsplus_perm permissions;
256 struct DInfo user_info;
257 struct DXInfo finder_info;
258 __be32 text_encoding;
262 /* HFS file info (stolen from hfs.h) */
267 struct hfsp_point fdLocation;
278 /* HFS+ file data (part of a cat_entry) */
279 struct hfsplus_cat_file {
285 __be32 content_mod_date;
286 __be32 attribute_mod_date;
289 struct hfsplus_perm permissions;
290 struct FInfo user_info;
291 struct FXInfo finder_info;
292 __be32 text_encoding;
295 struct hfsplus_fork_raw data_fork;
296 struct hfsplus_fork_raw rsrc_fork;
299 /* File attribute bits */
300 #define HFSPLUS_FILE_LOCKED 0x0001
301 #define HFSPLUS_FILE_THREAD_EXISTS 0x0002
302 #define HFSPLUS_XATTR_EXISTS 0x0004
303 #define HFSPLUS_ACL_EXISTS 0x0008
305 /* HFS+ catalog thread (part of a cat_entry) */
306 struct hfsplus_cat_thread {
309 hfsplus_cnid parentID;
310 struct hfsplus_unistr nodeName;
313 #define HFSPLUS_MIN_THREAD_SZ 10
315 /* A data record in the catalog tree */
318 struct hfsplus_cat_folder folder;
319 struct hfsplus_cat_file file;
320 struct hfsplus_cat_thread thread;
321 } __packed hfsplus_cat_entry;
323 /* HFS+ catalog entry type */
324 #define HFSPLUS_FOLDER 0x0001
325 #define HFSPLUS_FILE 0x0002
326 #define HFSPLUS_FOLDER_THREAD 0x0003
327 #define HFSPLUS_FILE_THREAD 0x0004
329 /* HFS+ extents tree key */
330 struct hfsplus_ext_key {
338 #define HFSPLUS_EXT_KEYLEN sizeof(struct hfsplus_ext_key)
340 #define HFSPLUS_XATTR_FINDER_INFO_NAME "com.apple.FinderInfo"
341 #define HFSPLUS_XATTR_ACL_NAME "com.apple.system.Security"
343 #define HFSPLUS_ATTR_INLINE_DATA 0x10
344 #define HFSPLUS_ATTR_FORK_DATA 0x20
345 #define HFSPLUS_ATTR_EXTENTS 0x30
347 /* HFS+ attributes tree key */
348 struct hfsplus_attr_key {
353 struct hfsplus_attr_unistr key_name;
356 #define HFSPLUS_ATTR_KEYLEN sizeof(struct hfsplus_attr_key)
358 /* HFS+ fork data attribute */
359 struct hfsplus_attr_fork_data {
362 struct hfsplus_fork_raw the_fork;
365 /* HFS+ extension attribute */
366 struct hfsplus_attr_extents {
369 struct hfsplus_extent extents;
372 #define HFSPLUS_MAX_INLINE_DATA_SIZE 3802
374 /* HFS+ attribute inline data */
375 struct hfsplus_attr_inline_data {
380 u8 raw_bytes[HFSPLUS_MAX_INLINE_DATA_SIZE];
383 /* A data record in the attributes tree */
386 struct hfsplus_attr_fork_data fork_data;
387 struct hfsplus_attr_extents extents;
388 struct hfsplus_attr_inline_data inline_data;
389 } __packed hfsplus_attr_entry;
391 /* HFS+ generic BTree key */
394 struct hfsplus_cat_key cat;
395 struct hfsplus_ext_key ext;
396 struct hfsplus_attr_key attr;
397 } __packed hfsplus_btree_key;