LXR linux/fs/affs/amigaffs.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef AMIGAFFS_H
   3#define AMIGAFFS_H
   4
   5#include <linux/types.h>
   6#include <asm/byteorder.h>
   7
   8#define FS_OFS          0x444F5300
   9#define FS_FFS          0x444F5301
  10#define FS_INTLOFS      0x444F5302
  11#define FS_INTLFFS      0x444F5303
  12#define FS_DCOFS        0x444F5304
  13#define FS_DCFFS        0x444F5305
  14#define MUFS_FS         0x6d754653   /* 'muFS' */
  15#define MUFS_OFS        0x6d754600   /* 'muF\0' */
  16#define MUFS_FFS        0x6d754601   /* 'muF\1' */
  17#define MUFS_INTLOFS    0x6d754602   /* 'muF\2' */
  18#define MUFS_INTLFFS    0x6d754603   /* 'muF\3' */
  19#define MUFS_DCOFS      0x6d754604   /* 'muF\4' */
  20#define MUFS_DCFFS      0x6d754605   /* 'muF\5' */
  21
  22#define T_SHORT         2
  23#define T_LIST          16
  24#define T_DATA          8
  25
  26#define ST_LINKFILE     -4
  27#define ST_FILE         -3
  28#define ST_ROOT         1
  29#define ST_USERDIR      2
  30#define ST_SOFTLINK     3
  31#define ST_LINKDIR      4
  32
  33#define AFFS_ROOT_BMAPS         25
  34
  35struct affs_date {
  36        __be32 days;
  37        __be32 mins;
  38        __be32 ticks;
  39};
  40
  41struct affs_short_date {
  42        __be16 days;
  43        __be16 mins;
  44        __be16 ticks;
  45};
  46
  47struct affs_root_head {
  48        __be32 ptype;
  49        __be32 spare1;
  50        __be32 spare2;
  51        __be32 hash_size;
  52        __be32 spare3;
  53        __be32 checksum;
  54        __be32 hashtable[1];
  55};
  56
  57struct affs_root_tail {
  58        __be32 bm_flag;
  59        __be32 bm_blk[AFFS_ROOT_BMAPS];
  60        __be32 bm_ext;
  61        struct affs_date root_change;
  62        u8 disk_name[32];
  63        __be32 spare1;
  64        __be32 spare2;
  65        struct affs_date disk_change;
  66        struct affs_date disk_create;
  67        __be32 spare3;
  68        __be32 spare4;
  69        __be32 dcache;
  70        __be32 stype;
  71};
  72
  73struct affs_head {
  74        __be32 ptype;
  75        __be32 key;
  76        __be32 block_count;
  77        __be32 spare1;
  78        __be32 first_data;
  79        __be32 checksum;
  80        __be32 table[1];
  81};
  82
  83struct affs_tail {
  84        __be32 spare1;
  85        __be16 uid;
  86        __be16 gid;
  87        __be32 protect;
  88        __be32 size;
  89        u8 comment[92];
  90        struct affs_date change;
  91        u8 name[32];
  92        __be32 spare2;
  93        __be32 original;
  94        __be32 link_chain;
  95        __be32 spare[5];
  96        __be32 hash_chain;
  97        __be32 parent;
  98        __be32 extension;
  99        __be32 stype;
 100};
 101
 102struct slink_front
 103{
 104        __be32 ptype;
 105        __be32 key;
 106        __be32 spare1[3];
 107        __be32 checksum;
 108        u8 symname[1];  /* depends on block size */
 109};
 110
 111struct affs_data_head
 112{
 113        __be32 ptype;
 114        __be32 key;
 115        __be32 sequence;
 116        __be32 size;
 117        __be32 next;
 118        __be32 checksum;
 119        u8 data[1];     /* depends on block size */
 120};
 121
 122/* Permission bits */
 123
 124#define FIBF_OTR_READ           0x8000
 125#define FIBF_OTR_WRITE          0x4000
 126#define FIBF_OTR_EXECUTE        0x2000
 127#define FIBF_OTR_DELETE         0x1000
 128#define FIBF_GRP_READ           0x0800
 129#define FIBF_GRP_WRITE          0x0400
 130#define FIBF_GRP_EXECUTE        0x0200
 131#define FIBF_GRP_DELETE         0x0100
 132
 133#define FIBF_HIDDEN             0x0080
 134#define FIBF_SCRIPT             0x0040
 135#define FIBF_PURE               0x0020          /* no use under linux */
 136#define FIBF_ARCHIVED           0x0010          /* never set, always cleared on write */
 137#define FIBF_NOREAD             0x0008          /* 0 means allowed */
 138#define FIBF_NOWRITE            0x0004          /* 0 means allowed */
 139#define FIBF_NOEXECUTE          0x0002          /* 0 means allowed, ignored under linux */
 140#define FIBF_NODELETE           0x0001          /* 0 means allowed */
 141
 142#define FIBF_OWNER              0x000F          /* Bits pertaining to owner */
 143#define FIBF_MASK               0xEE0E          /* Bits modified by Linux */
 144
 145#endif
 146