1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef _UAPI_LINUX_MSDOS_FS_H 8 #define _UAPI_LINUX_MSDOS_FS_H 9 #include <linux/types.h> 10 #include <linux/magic.h> 11 #include <asm/byteorder.h> 12 #ifndef SECTOR_SIZE 13 #define SECTOR_SIZE 512 14 #endif 15 #define SECTOR_BITS 9 16 #define MSDOS_DPB (MSDOS_DPS) 17 #define MSDOS_DPB_BITS 4 18 #define MSDOS_DPS (SECTOR_SIZE / sizeof(struct msdos_dir_entry)) 19 #define MSDOS_DPS_BITS 4 20 #define MSDOS_LONGNAME 256 21 #define CF_LE_W(v) le16_to_cpu(v) 22 #define CF_LE_L(v) le32_to_cpu(v) 23 #define CT_LE_W(v) cpu_to_le16(v) 24 #define CT_LE_L(v) cpu_to_le32(v) 25 #define MSDOS_ROOT_INO 1 26 #define MSDOS_FSINFO_INO 2 27 #define MSDOS_DIR_BITS 5 28 #define FAT_MAX_DIR_ENTRIES (65536) 29 #define FAT_MAX_DIR_SIZE (FAT_MAX_DIR_ENTRIES << MSDOS_DIR_BITS) 30 #define ATTR_NONE 0 31 #define ATTR_RO 1 32 #define ATTR_HIDDEN 2 33 #define ATTR_SYS 4 34 #define ATTR_VOLUME 8 35 #define ATTR_DIR 16 36 #define ATTR_ARCH 32 37 #define ATTR_UNUSED (ATTR_VOLUME | ATTR_ARCH | ATTR_SYS | ATTR_HIDDEN) 38 #define ATTR_EXT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME) 39 #define CASE_LOWER_BASE 8 40 #define CASE_LOWER_EXT 16 41 #define DELETED_FLAG 0xe5 42 #define IS_FREE(n) (! * (n) || * (n) == DELETED_FLAG) 43 #define FAT_LFN_LEN 255 44 #define MSDOS_NAME 11 45 #define MSDOS_SLOTS 21 46 #define MSDOS_DOT ". " 47 #define MSDOS_DOTDOT ".. " 48 #define FAT_START_ENT 2 49 #define MAX_FAT12 0xFF4 50 #define MAX_FAT16 0xFFF4 51 #define MAX_FAT32 0x0FFFFFF6 52 #define BAD_FAT12 0xFF7 53 #define BAD_FAT16 0xFFF7 54 #define BAD_FAT32 0x0FFFFFF7 55 #define EOF_FAT12 0xFFF 56 #define EOF_FAT16 0xFFFF 57 #define EOF_FAT32 0x0FFFFFFF 58 #define FAT_ENT_FREE (0) 59 #define FAT_ENT_BAD (BAD_FAT32) 60 #define FAT_ENT_EOF (EOF_FAT32) 61 #define FAT_FSINFO_SIG1 0x41615252 62 #define FAT_FSINFO_SIG2 0x61417272 63 #define IS_FSINFO(x) (le32_to_cpu((x)->signature1) == FAT_FSINFO_SIG1 && le32_to_cpu((x)->signature2) == FAT_FSINFO_SIG2) 64 #define FAT_STATE_DIRTY 0x01 65 struct __fat_dirent { 66 long d_ino; 67 __kernel_off_t d_off; 68 unsigned short d_reclen; 69 char d_name[256]; 70 }; 71 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct __fat_dirent[2]) 72 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct __fat_dirent[2]) 73 #define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32) 74 #define FAT_IOCTL_SET_ATTRIBUTES _IOW('r', 0x11, __u32) 75 #define FAT_IOCTL_GET_VOLUME_ID _IOR('r', 0x13, __u32) 76 struct fat_boot_sector { 77 __u8 ignored[3]; 78 __u8 system_id[8]; 79 __u8 sector_size[2]; 80 __u8 sec_per_clus; 81 __le16 reserved; 82 __u8 fats; 83 __u8 dir_entries[2]; 84 __u8 sectors[2]; 85 __u8 media; 86 __le16 fat_length; 87 __le16 secs_track; 88 __le16 heads; 89 __le32 hidden; 90 __le32 total_sect; 91 union { 92 struct { 93 __u8 drive_number; 94 __u8 state; 95 __u8 signature; 96 __u8 vol_id[4]; 97 __u8 vol_label[MSDOS_NAME]; 98 __u8 fs_type[8]; 99 } fat16; 100 struct { 101 __le32 length; 102 __le16 flags; 103 __u8 version[2]; 104 __le32 root_cluster; 105 __le16 info_sector; 106 __le16 backup_boot; 107 __le16 reserved2[6]; 108 __u8 drive_number; 109 __u8 state; 110 __u8 signature; 111 __u8 vol_id[4]; 112 __u8 vol_label[MSDOS_NAME]; 113 __u8 fs_type[8]; 114 } fat32; 115 }; 116 }; 117 struct fat_boot_fsinfo { 118 __le32 signature1; 119 __le32 reserved1[120]; 120 __le32 signature2; 121 __le32 free_clusters; 122 __le32 next_cluster; 123 __le32 reserved2[4]; 124 }; 125 struct msdos_dir_entry { 126 __u8 name[MSDOS_NAME]; 127 __u8 attr; 128 __u8 lcase; 129 __u8 ctime_cs; 130 __le16 ctime; 131 __le16 cdate; 132 __le16 adate; 133 __le16 starthi; 134 __le16 time, date, start; 135 __le32 size; 136 }; 137 struct msdos_dir_slot { 138 __u8 id; 139 __u8 name0_4[10]; 140 __u8 attr; 141 __u8 reserved; 142 __u8 alias_checksum; 143 __u8 name5_10[12]; 144 __le16 start; 145 __u8 name11_12[4]; 146 }; 147 #endif 148