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 35 struct affs_date { 36 __be32 days; 37 __be32 mins; 38 __be32 ticks; 39 }; 40 41 struct affs_short_date { 42 __be16 days; 43 __be16 mins; 44 __be16 ticks; 45 }; 46 47 struct 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 57 struct 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 73 struct 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 83 struct 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 }; 101 102 struct 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 }; 110 111 struct 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