1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_MSDOS_FS_H 20 #define _LINUX_MSDOS_FS_H 21 #include <linux/magic.h> 22 #include <asm/byteorder.h> 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define SECTOR_SIZE 512 25 #define SECTOR_BITS 9 26 #define MSDOS_DPB (MSDOS_DPS) 27 #define MSDOS_DPB_BITS 4 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #define MSDOS_DPS (SECTOR_SIZE / sizeof(struct msdos_dir_entry)) 30 #define MSDOS_DPS_BITS 4 31 #define CF_LE_W(v) le16_to_cpu(v) 32 #define CF_LE_L(v) le32_to_cpu(v) 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #define CT_LE_W(v) cpu_to_le16(v) 35 #define CT_LE_L(v) cpu_to_le32(v) 36 #define MSDOS_ROOT_INO 1 37 #define MSDOS_DIR_BITS 5 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define FAT_MAX_DIR_ENTRIES (65536) 40 #define FAT_MAX_DIR_SIZE (FAT_MAX_DIR_ENTRIES << MSDOS_DIR_BITS) 41 #define ATTR_NONE 0 42 #define ATTR_RO 1 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 #define ATTR_HIDDEN 2 45 #define ATTR_SYS 4 46 #define ATTR_VOLUME 8 47 #define ATTR_DIR 16 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49 #define ATTR_ARCH 32 50 #define ATTR_UNUSED (ATTR_VOLUME | ATTR_ARCH | ATTR_SYS | ATTR_HIDDEN) 51 #define ATTR_EXT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME) 52 #define CASE_LOWER_BASE 8 53 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54 #define CASE_LOWER_EXT 16 55 #define DELETED_FLAG 0xe5 56 #define IS_FREE(n) (!*(n) || *(n) == DELETED_FLAG) 57 #define MSDOS_VALID_MODE (S_IFREG | S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO) 58 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59 #define MSDOS_MKMODE(a, m) (m & (a & ATTR_RO ? S_IRUGO|S_IXUGO : S_IRWXUGO)) 60 #define MSDOS_NAME 11 61 #define MSDOS_LONGNAME 256 62 #define MSDOS_SLOTS 21 63 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64 #define MSDOS_DOT ". " 65 #define MSDOS_DOTDOT ".. " 66 #define FAT_VALID_MEDIA(x) ((0xF8 <= (x) && (x) <= 0xFF) || (x) == 0xF0) 67 #define FAT_FIRST_ENT(s, x) ((MSDOS_SB(s)->fat_bits == 32 ? 0x0FFFFF00 : MSDOS_SB(s)->fat_bits == 16 ? 0xFF00 : 0xF00) | (x)) 68 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 69 #define FAT_START_ENT 2 70 #define MAX_FAT12 0xFF4 71 #define MAX_FAT16 0xFFF4 72 #define MAX_FAT32 0x0FFFFFF6 73 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74 #define MAX_FAT(s) (MSDOS_SB(s)->fat_bits == 32 ? MAX_FAT32 : MSDOS_SB(s)->fat_bits == 16 ? MAX_FAT16 : MAX_FAT12) 75 #define BAD_FAT12 0xFF7 76 #define BAD_FAT16 0xFFF7 77 #define BAD_FAT32 0x0FFFFFF7 78 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 79 #define EOF_FAT12 0xFFF 80 #define EOF_FAT16 0xFFFF 81 #define EOF_FAT32 0x0FFFFFFF 82 #define FAT_ENT_FREE (0) 83 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 84 #define FAT_ENT_BAD (BAD_FAT32) 85 #define FAT_ENT_EOF (EOF_FAT32) 86 #define FAT_FSINFO_SIG1 0x41615252 87 #define FAT_FSINFO_SIG2 0x61417272 88 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 89 #define IS_FSINFO(x) (le32_to_cpu((x)->signature1) == FAT_FSINFO_SIG1 && le32_to_cpu((x)->signature2) == FAT_FSINFO_SIG2) 90 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2]) 91 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2]) 92 #define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32) 93 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 94 #define FAT_IOCTL_SET_ATTRIBUTES _IOW('r', 0x11, __u32) 95 #define VFAT_IOCTL_GET_VOLUME_ID _IOR('r', 0x12, __u32) 96 #define VFAT_SFN_DISPLAY_LOWER 0x0001 97 #define VFAT_SFN_DISPLAY_WIN95 0x0002 98 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 99 #define VFAT_SFN_DISPLAY_WINNT 0x0004 100 #define VFAT_SFN_CREATE_WIN95 0x0100 101 #define VFAT_SFN_CREATE_WINNT 0x0200 102 struct fat_boot_sector { 103 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 104 __u8 ignored[3]; 105 __u8 system_id[8]; 106 __u8 sector_size[2]; 107 __u8 sec_per_clus; 108 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 109 __le16 reserved; 110 __u8 fats; 111 __u8 dir_entries[2]; 112 __u8 sectors[2]; 113 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 114 __u8 media; 115 __le16 fat_length; 116 __le16 secs_track; 117 __le16 heads; 118 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 119 __le32 hidden; 120 __le32 total_sect; 121 __le32 fat32_length; 122 __le16 flags; 123 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 124 __u8 version[2]; 125 __le32 root_cluster; 126 __le16 info_sector; 127 __le16 backup_boot; 128 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 129 __le16 reserved2[6]; 130 }; 131 struct fat_boot_fsinfo { 132 __le32 signature1; 133 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 134 __le32 reserved1[120]; 135 __le32 signature2; 136 __le32 free_clusters; 137 __le32 next_cluster; 138 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 139 __le32 reserved2[4]; 140 }; 141 struct fat_boot_bsx { 142 __u8 drive; 143 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 144 __u8 reserved1; 145 __u8 signature; 146 __u8 vol_id[4]; 147 __u8 vol_label[11]; 148 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 149 __u8 type[8]; 150 }; 151 #define FAT16_BSX_OFFSET 36 152 #define FAT32_BSX_OFFSET 64 153 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 154 struct msdos_dir_entry { 155 __u8 name[MSDOS_NAME]; 156 __u8 attr; 157 __u8 lcase; 158 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 159 __u8 ctime_cs; 160 __le16 ctime; 161 __le16 cdate; 162 __le16 adate; 163 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 164 __le16 starthi; 165 __le16 time,date,start; 166 __le32 size; 167 }; 168 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 169 struct msdos_dir_slot { 170 __u8 id; 171 __u8 name0_4[10]; 172 __u8 attr; 173 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 174 __u8 reserved; 175 __u8 alias_checksum; 176 __u8 name5_10[12]; 177 __le16 start; 178 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 179 __u8 name11_12[4]; 180 }; 181 struct fat_slot_info { 182 loff_t i_pos; 183 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 184 loff_t slot_off; 185 int nr_slots; 186 struct msdos_dir_entry *de; 187 struct buffer_head *bh; 188 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 189 }; 190 #endif 191
