^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 1) /*
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 2) * linux/fs/hfs/hfs.h
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 3) *
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 4) * Copyright (C) 1995-1997 Paul H. Hargrove
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 5) * (C) 2003 Ardis Technologies <roman@ardistech.com>
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 6) * This file may be distributed under the terms of the GNU General Public License.
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 7) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 8)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 9) #ifndef _HFS_H
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 10) #define _HFS_H
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 11)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 12) /* offsets to various blocks */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 13) #define HFS_DD_BLK 0 /* Driver Descriptor block */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 14) #define HFS_PMAP_BLK 1 /* First block of partition map */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 15) #define HFS_MDB_BLK 2 /* Block (w/i partition) of MDB */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 16)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 17) /* magic numbers for various disk blocks */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 18) #define HFS_DRVR_DESC_MAGIC 0x4552 /* "ER": driver descriptor map */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 19) #define HFS_OLD_PMAP_MAGIC 0x5453 /* "TS": old-type partition map */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 20) #define HFS_NEW_PMAP_MAGIC 0x504D /* "PM": new-type partition map */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 21) #define HFS_SUPER_MAGIC 0x4244 /* "BD": HFS MDB (super block) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 22) #define HFS_MFS_SUPER_MAGIC 0xD2D7 /* MFS MDB (super block) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 23)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 24) /* various FIXED size parameters */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 25) #define HFS_SECTOR_SIZE 512 /* size of an HFS sector */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 26) #define HFS_SECTOR_SIZE_BITS 9 /* log_2(HFS_SECTOR_SIZE) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 27) #define HFS_NAMELEN 31 /* maximum length of an HFS filename */
328b922786502 (Roman Zippel 2005-09-06 15:18:49 -0700 28) #define HFS_MAX_NAMELEN 128
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 29) #define HFS_MAX_VALENCE 32767U
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 30)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 31) /* Meanings of the drAtrb field of the MDB,
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 32) * Reference: _Inside Macintosh: Files_ p. 2-61
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 33) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 34) #define HFS_SB_ATTRIB_HLOCK (1 << 7)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 35) #define HFS_SB_ATTRIB_UNMNT (1 << 8)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 36) #define HFS_SB_ATTRIB_SPARED (1 << 9)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 37) #define HFS_SB_ATTRIB_INCNSTNT (1 << 11)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 38) #define HFS_SB_ATTRIB_SLOCK (1 << 15)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 39)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 40) /* Some special File ID numbers */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 41) #define HFS_POR_CNID 1 /* Parent Of the Root */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 42) #define HFS_ROOT_CNID 2 /* ROOT directory */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 43) #define HFS_EXT_CNID 3 /* EXTents B-tree */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 44) #define HFS_CAT_CNID 4 /* CATalog B-tree */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 45) #define HFS_BAD_CNID 5 /* BAD blocks file */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 46) #define HFS_ALLOC_CNID 6 /* ALLOCation file (HFS+) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 47) #define HFS_START_CNID 7 /* STARTup file (HFS+) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 48) #define HFS_ATTR_CNID 8 /* ATTRibutes file (HFS+) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 49) #define HFS_EXCH_CNID 15 /* ExchangeFiles temp id */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 50) #define HFS_FIRSTUSER_CNID 16
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 51)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 52) /* values for hfs_cat_rec.cdrType */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 53) #define HFS_CDR_DIR 0x01 /* folder (directory) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 54) #define HFS_CDR_FIL 0x02 /* file */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 55) #define HFS_CDR_THD 0x03 /* folder (directory) thread */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 56) #define HFS_CDR_FTH 0x04 /* file thread */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 57)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 58) /* legal values for hfs_ext_key.FkType and hfs_file.fork */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 59) #define HFS_FK_DATA 0x00
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 60) #define HFS_FK_RSRC 0xFF
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 61)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 62) /* bits in hfs_fil_entry.Flags */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 63) #define HFS_FIL_LOCK 0x01 /* locked */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 64) #define HFS_FIL_THD 0x02 /* file thread */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 65) #define HFS_FIL_DOPEN 0x04 /* data fork open */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 66) #define HFS_FIL_ROPEN 0x08 /* resource fork open */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 67) #define HFS_FIL_DIR 0x10 /* directory (always clear) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 68) #define HFS_FIL_NOCOPY 0x40 /* copy-protected file */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 69) #define HFS_FIL_USED 0x80 /* open */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 70)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 71) /* bits in hfs_dir_entry.Flags. dirflags is 16 bits. */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 72) #define HFS_DIR_LOCK 0x01 /* locked */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 73) #define HFS_DIR_THD 0x02 /* directory thread */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 74) #define HFS_DIR_INEXPFOLDER 0x04 /* in a shared area */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 75) #define HFS_DIR_MOUNTED 0x08 /* mounted */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 76) #define HFS_DIR_DIR 0x10 /* directory (always set) */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 77) #define HFS_DIR_EXPFOLDER 0x20 /* share point */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 78)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 79) /* bits hfs_finfo.fdFlags */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 80) #define HFS_FLG_INITED 0x0100
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 81) #define HFS_FLG_LOCKED 0x1000
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 82) #define HFS_FLG_INVISIBLE 0x4000
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 83)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 84) /*======== HFS structures as they appear on the disk ========*/
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 85)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 86) /* Pascal-style string of up to 31 characters */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 87) struct hfs_name {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 88) u8 len;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 89) u8 name[HFS_NAMELEN];
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 90) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 91)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 92) struct hfs_point {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 93) __be16 v;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 94) __be16 h;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 95) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 96)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 97) struct hfs_rect {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 98) __be16 top;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 99) __be16 left;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 100) __be16 bottom;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 101) __be16 right;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 102) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 103)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 104) struct hfs_finfo {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 105) __be32 fdType;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 106) __be32 fdCreator;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 107) __be16 fdFlags;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 108) struct hfs_point fdLocation;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 109) __be16 fdFldr;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 110) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 111)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 112) struct hfs_fxinfo {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 113) __be16 fdIconID;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 114) u8 fdUnused[8];
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 115) __be16 fdComment;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 116) __be32 fdPutAway;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 117) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 118)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 119) struct hfs_dinfo {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 120) struct hfs_rect frRect;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 121) __be16 frFlags;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 122) struct hfs_point frLocation;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 123) __be16 frView;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 124) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 125)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 126) struct hfs_dxinfo {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 127) struct hfs_point frScroll;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 128) __be32 frOpenChain;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 129) __be16 frUnused;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 130) __be16 frComment;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 131) __be32 frPutAway;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 132) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 133)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 134) union hfs_finder_info {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 135) struct {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 136) struct hfs_finfo finfo;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 137) struct hfs_fxinfo fxinfo;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 138) } file;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 139) struct {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 140) struct hfs_dinfo dinfo;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 141) struct hfs_dxinfo dxinfo;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 142) } dir;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 143) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 144)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 145) /* Cast to a pointer to a generic bkey */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 146) #define HFS_BKEY(X) (((void)((X)->KeyLen)), ((struct hfs_bkey *)(X)))
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 147)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 148) /* The key used in the catalog b-tree: */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 149) struct hfs_cat_key {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 150) u8 key_len; /* number of bytes in the key */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 151) u8 reserved; /* padding */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 152) __be32 ParID; /* CNID of the parent dir */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 153) struct hfs_name CName; /* The filename of the entry */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 154) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 155)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 156) /* The key used in the extents b-tree: */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 157) struct hfs_ext_key {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 158) u8 key_len; /* number of bytes in the key */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 159) u8 FkType; /* HFS_FK_{DATA,RSRC} */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 160) __be32 FNum; /* The File ID of the file */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 161) __be16 FABN; /* allocation blocks number*/
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 162) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 163)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 164) typedef union hfs_btree_key {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 165) u8 key_len; /* number of bytes in the key */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 166) struct hfs_cat_key cat;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 167) struct hfs_ext_key ext;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 168) } hfs_btree_key;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 169)
cf05946250831 (Eric Sandeen 2008-01-08 15:33:20 -0800 170) #define HFS_MAX_CAT_KEYLEN (sizeof(struct hfs_cat_key) - sizeof(u8))
cf05946250831 (Eric Sandeen 2008-01-08 15:33:20 -0800 171) #define HFS_MAX_EXT_KEYLEN (sizeof(struct hfs_ext_key) - sizeof(u8))
cf05946250831 (Eric Sandeen 2008-01-08 15:33:20 -0800 172)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 173) typedef union hfs_btree_key btree_key;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 174)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 175) struct hfs_extent {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 176) __be16 block;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 177) __be16 count;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 178) };
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 179) typedef struct hfs_extent hfs_extent_rec[3];
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 180)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 181) /* The catalog record for a file */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 182) struct hfs_cat_file {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 183) s8 type; /* The type of entry */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 184) u8 reserved;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 185) u8 Flags; /* Flags such as read-only */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 186) s8 Typ; /* file version number = 0 */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 187) struct hfs_finfo UsrWds; /* data used by the Finder */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 188) __be32 FlNum; /* The CNID */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 189) __be16 StBlk; /* obsolete */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 190) __be32 LgLen; /* The logical EOF of the data fork*/
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 191) __be32 PyLen; /* The physical EOF of the data fork */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 192) __be16 RStBlk; /* obsolete */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 193) __be32 RLgLen; /* The logical EOF of the rsrc fork */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 194) __be32 RPyLen; /* The physical EOF of the rsrc fork */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 195) __be32 CrDat; /* The creation date */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 196) __be32 MdDat; /* The modified date */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 197) __be32 BkDat; /* The last backup date */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 198) struct hfs_fxinfo FndrInfo; /* more data for the Finder */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 199) __be16 ClpSize; /* number of bytes to allocate
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 200) when extending files */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 201) hfs_extent_rec ExtRec; /* first extent record
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 202) for the data fork */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 203) hfs_extent_rec RExtRec; /* first extent record
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 204) for the resource fork */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 205) u32 Resrv; /* reserved by Apple */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 206) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 207)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 208) /* the catalog record for a directory */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 209) struct hfs_cat_dir {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 210) s8 type; /* The type of entry */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 211) u8 reserved;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 212) __be16 Flags; /* flags */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 213) __be16 Val; /* Valence: number of files and
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 214) dirs in the directory */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 215) __be32 DirID; /* The CNID */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 216) __be32 CrDat; /* The creation date */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 217) __be32 MdDat; /* The modification date */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 218) __be32 BkDat; /* The last backup date */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 219) struct hfs_dinfo UsrInfo; /* data used by the Finder */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 220) struct hfs_dxinfo FndrInfo; /* more data used by Finder */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 221) u8 Resrv[16]; /* reserved by Apple */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 222) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 223)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 224) /* the catalog record for a thread */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 225) struct hfs_cat_thread {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 226) s8 type; /* The type of entry */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 227) u8 reserved[9]; /* reserved by Apple */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 228) __be32 ParID; /* CNID of parent directory */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 229) struct hfs_name CName; /* The name of this entry */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 230) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 231)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 232) /* A catalog tree record */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 233) typedef union hfs_cat_rec {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 234) s8 type; /* The type of entry */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 235) struct hfs_cat_file file;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 236) struct hfs_cat_dir dir;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 237) struct hfs_cat_thread thread;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 238) } hfs_cat_rec;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 239)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 240) struct hfs_mdb {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 241) __be16 drSigWord; /* Signature word indicating fs type */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 242) __be32 drCrDate; /* fs creation date/time */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 243) __be32 drLsMod; /* fs modification date/time */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 244) __be16 drAtrb; /* fs attributes */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 245) __be16 drNmFls; /* number of files in root directory */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 246) __be16 drVBMSt; /* location (in 512-byte blocks)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 247) of the volume bitmap */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 248) __be16 drAllocPtr; /* location (in allocation blocks)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 249) to begin next allocation search */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 250) __be16 drNmAlBlks; /* number of allocation blocks */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 251) __be32 drAlBlkSiz; /* bytes in an allocation block */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 252) __be32 drClpSiz; /* clumpsize, the number of bytes to
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 253) allocate when extending a file */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 254) __be16 drAlBlSt; /* location (in 512-byte blocks)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 255) of the first allocation block */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 256) __be32 drNxtCNID; /* CNID to assign to the next
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 257) file or directory created */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 258) __be16 drFreeBks; /* number of free allocation blocks */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 259) u8 drVN[28]; /* the volume label */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 260) __be32 drVolBkUp; /* fs backup date/time */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 261) __be16 drVSeqNum; /* backup sequence number */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 262) __be32 drWrCnt; /* fs write count */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 263) __be32 drXTClpSiz; /* clumpsize for the extents B-tree */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 264) __be32 drCTClpSiz; /* clumpsize for the catalog B-tree */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 265) __be16 drNmRtDirs; /* number of directories in
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 266) the root directory */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 267) __be32 drFilCnt; /* number of files in the fs */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 268) __be32 drDirCnt; /* number of directories in the fs */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 269) u8 drFndrInfo[32]; /* data used by the Finder */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 270) __be16 drEmbedSigWord; /* embedded volume signature */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 271) __be32 drEmbedExtent; /* starting block number (xdrStABN)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 272) and number of allocation blocks
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 273) (xdrNumABlks) occupied by embedded
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 274) volume */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 275) __be32 drXTFlSize; /* bytes in the extents B-tree */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 276) hfs_extent_rec drXTExtRec; /* extents B-tree's first 3 extents */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 277) __be32 drCTFlSize; /* bytes in the catalog B-tree */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 278) hfs_extent_rec drCTExtRec; /* catalog B-tree's first 3 extents */
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 279) } __packed;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 280)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 281) /*======== Data structures kept in memory ========*/
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 282)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 283) struct hfs_readdir_data {
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 284) struct list_head list;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 285) struct file *file;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 286) struct hfs_cat_key key;
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 287) };
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 288)
^1da177e4c3f4 (Linus Torvalds 2005-04-16 15:20:36 -0700 289) #endif
VisionFive2 Linux kernel
StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)
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