| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _UAPI_LINUX_MSDOS_FS_H |
| #define _UAPI_LINUX_MSDOS_FS_H |
| #include <linux/types.h> |
| #include <linux/magic.h> |
| #include <asm/byteorder.h> |
| #ifndef SECTOR_SIZE |
| #define SECTOR_SIZE 512 |
| #endif |
| #define SECTOR_BITS 9 |
| #define MSDOS_DPB (MSDOS_DPS) |
| #define MSDOS_DPB_BITS 4 |
| #define MSDOS_DPS (SECTOR_SIZE / sizeof(struct msdos_dir_entry)) |
| #define MSDOS_DPS_BITS 4 |
| #define MSDOS_LONGNAME 256 |
| #define CF_LE_W(v) le16_to_cpu(v) |
| #define CF_LE_L(v) le32_to_cpu(v) |
| #define CT_LE_W(v) cpu_to_le16(v) |
| #define CT_LE_L(v) cpu_to_le32(v) |
| #define MSDOS_ROOT_INO 1 |
| #define MSDOS_FSINFO_INO 2 |
| #define MSDOS_DIR_BITS 5 |
| #define FAT_MAX_DIR_ENTRIES (65536) |
| #define FAT_MAX_DIR_SIZE (FAT_MAX_DIR_ENTRIES << MSDOS_DIR_BITS) |
| #define ATTR_NONE 0 |
| #define ATTR_RO 1 |
| #define ATTR_HIDDEN 2 |
| #define ATTR_SYS 4 |
| #define ATTR_VOLUME 8 |
| #define ATTR_DIR 16 |
| #define ATTR_ARCH 32 |
| #define ATTR_UNUSED (ATTR_VOLUME | ATTR_ARCH | ATTR_SYS | ATTR_HIDDEN) |
| #define ATTR_EXT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME) |
| #define CASE_LOWER_BASE 8 |
| #define CASE_LOWER_EXT 16 |
| #define DELETED_FLAG 0xe5 |
| #define IS_FREE(n) (! * (n) || * (n) == DELETED_FLAG) |
| #define FAT_LFN_LEN 255 |
| #define MSDOS_NAME 11 |
| #define MSDOS_SLOTS 21 |
| #define MSDOS_DOT ". " |
| #define MSDOS_DOTDOT ".. " |
| #define FAT_START_ENT 2 |
| #define MAX_FAT12 0xFF4 |
| #define MAX_FAT16 0xFFF4 |
| #define MAX_FAT32 0x0FFFFFF6 |
| #define BAD_FAT12 0xFF7 |
| #define BAD_FAT16 0xFFF7 |
| #define BAD_FAT32 0x0FFFFFF7 |
| #define EOF_FAT12 0xFFF |
| #define EOF_FAT16 0xFFFF |
| #define EOF_FAT32 0x0FFFFFFF |
| #define FAT_ENT_FREE (0) |
| #define FAT_ENT_BAD (BAD_FAT32) |
| #define FAT_ENT_EOF (EOF_FAT32) |
| #define FAT_FSINFO_SIG1 0x41615252 |
| #define FAT_FSINFO_SIG2 0x61417272 |
| #define IS_FSINFO(x) (le32_to_cpu((x)->signature1) == FAT_FSINFO_SIG1 && le32_to_cpu((x)->signature2) == FAT_FSINFO_SIG2) |
| #define FAT_STATE_DIRTY 0x01 |
| struct __fat_dirent { |
| long d_ino; |
| __kernel_off_t d_off; |
| unsigned short d_reclen; |
| char d_name[256]; |
| }; |
| #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct __fat_dirent[2]) |
| #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct __fat_dirent[2]) |
| #define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32) |
| #define FAT_IOCTL_SET_ATTRIBUTES _IOW('r', 0x11, __u32) |
| #define FAT_IOCTL_GET_VOLUME_ID _IOR('r', 0x13, __u32) |
| struct fat_boot_sector { |
| __u8 ignored[3]; |
| __u8 system_id[8]; |
| __u8 sector_size[2]; |
| __u8 sec_per_clus; |
| __le16 reserved; |
| __u8 fats; |
| __u8 dir_entries[2]; |
| __u8 sectors[2]; |
| __u8 media; |
| __le16 fat_length; |
| __le16 secs_track; |
| __le16 heads; |
| __le32 hidden; |
| __le32 total_sect; |
| union { |
| struct { |
| __u8 drive_number; |
| __u8 state; |
| __u8 signature; |
| __u8 vol_id[4]; |
| __u8 vol_label[MSDOS_NAME]; |
| __u8 fs_type[8]; |
| } fat16; |
| struct { |
| __le32 length; |
| __le16 flags; |
| __u8 version[2]; |
| __le32 root_cluster; |
| __le16 info_sector; |
| __le16 backup_boot; |
| __le16 reserved2[6]; |
| __u8 drive_number; |
| __u8 state; |
| __u8 signature; |
| __u8 vol_id[4]; |
| __u8 vol_label[MSDOS_NAME]; |
| __u8 fs_type[8]; |
| } fat32; |
| }; |
| }; |
| struct fat_boot_fsinfo { |
| __le32 signature1; |
| __le32 reserved1[120]; |
| __le32 signature2; |
| __le32 free_clusters; |
| __le32 next_cluster; |
| __le32 reserved2[4]; |
| }; |
| struct msdos_dir_entry { |
| __u8 name[MSDOS_NAME]; |
| __u8 attr; |
| __u8 lcase; |
| __u8 ctime_cs; |
| __le16 ctime; |
| __le16 cdate; |
| __le16 adate; |
| __le16 starthi; |
| __le16 time, date, start; |
| __le32 size; |
| }; |
| struct msdos_dir_slot { |
| __u8 id; |
| __u8 name0_4[10]; |
| __u8 attr; |
| __u8 reserved; |
| __u8 alias_checksum; |
| __u8 name5_10[12]; |
| __le16 start; |
| __u8 name11_12[4]; |
| }; |
| #endif |