fs.h revision 96c1db7b9d601c31d103389cac074a6cce0d7633
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 _UAPI_LINUX_FS_H 20#define _UAPI_LINUX_FS_H 21#include <linux/limits.h> 22#include <linux/ioctl.h> 23#include <linux/types.h> 24#undef NR_OPEN 25#define INR_OPEN_CUR 1024 26#define INR_OPEN_MAX 4096 27#define BLOCK_SIZE_BITS 10 28#define BLOCK_SIZE (1 << BLOCK_SIZE_BITS) 29#define SEEK_SET 0 30#define SEEK_CUR 1 31#define SEEK_END 2 32#define SEEK_DATA 3 33#define SEEK_HOLE 4 34#define SEEK_MAX SEEK_HOLE 35#define RENAME_NOREPLACE (1 << 0) 36#define RENAME_EXCHANGE (1 << 1) 37#define RENAME_WHITEOUT (1 << 2) 38struct file_clone_range { 39 __s64 src_fd; 40 __u64 src_offset; 41 __u64 src_length; 42 __u64 dest_offset; 43}; 44struct fstrim_range { 45 __u64 start; 46 __u64 len; 47 __u64 minlen; 48}; 49#define FILE_DEDUPE_RANGE_SAME 0 50#define FILE_DEDUPE_RANGE_DIFFERS 1 51struct file_dedupe_range_info { 52 __s64 dest_fd; 53 __u64 dest_offset; 54 __u64 bytes_deduped; 55 __s32 status; 56 __u32 reserved; 57}; 58struct file_dedupe_range { 59 __u64 src_offset; 60 __u64 src_length; 61 __u16 dest_count; 62 __u16 reserved1; 63 __u32 reserved2; 64 struct file_dedupe_range_info info[0]; 65}; 66struct files_stat_struct { 67 unsigned long nr_files; 68 unsigned long nr_free_files; 69 unsigned long max_files; 70}; 71struct inodes_stat_t { 72 long nr_inodes; 73 long nr_unused; 74 long dummy[5]; 75}; 76#define NR_FILE 8192 77#define MS_RDONLY 1 78#define MS_NOSUID 2 79#define MS_NODEV 4 80#define MS_NOEXEC 8 81#define MS_SYNCHRONOUS 16 82#define MS_REMOUNT 32 83#define MS_MANDLOCK 64 84#define MS_DIRSYNC 128 85#define MS_NOATIME 1024 86#define MS_NODIRATIME 2048 87#define MS_BIND 4096 88#define MS_MOVE 8192 89#define MS_REC 16384 90#define MS_VERBOSE 32768 91#define MS_SILENT 32768 92#define MS_POSIXACL (1 << 16) 93#define MS_UNBINDABLE (1 << 17) 94#define MS_PRIVATE (1 << 18) 95#define MS_SLAVE (1 << 19) 96#define MS_SHARED (1 << 20) 97#define MS_RELATIME (1 << 21) 98#define MS_KERNMOUNT (1 << 22) 99#define MS_I_VERSION (1 << 23) 100#define MS_STRICTATIME (1 << 24) 101#define MS_LAZYTIME (1 << 25) 102#define MS_NOREMOTELOCK (1 << 27) 103#define MS_NOSEC (1 << 28) 104#define MS_BORN (1 << 29) 105#define MS_ACTIVE (1 << 30) 106#define MS_NOUSER (1 << 31) 107#define MS_RMT_MASK (MS_RDONLY | MS_SYNCHRONOUS | MS_MANDLOCK | MS_I_VERSION | MS_LAZYTIME) 108#define MS_MGC_VAL 0xC0ED0000 109#define MS_MGC_MSK 0xffff0000 110struct fsxattr { 111 __u32 fsx_xflags; 112 __u32 fsx_extsize; 113 __u32 fsx_nextents; 114 __u32 fsx_projid; 115 __u32 fsx_cowextsize; 116 unsigned char fsx_pad[8]; 117}; 118#define FS_XFLAG_REALTIME 0x00000001 119#define FS_XFLAG_PREALLOC 0x00000002 120#define FS_XFLAG_IMMUTABLE 0x00000008 121#define FS_XFLAG_APPEND 0x00000010 122#define FS_XFLAG_SYNC 0x00000020 123#define FS_XFLAG_NOATIME 0x00000040 124#define FS_XFLAG_NODUMP 0x00000080 125#define FS_XFLAG_RTINHERIT 0x00000100 126#define FS_XFLAG_PROJINHERIT 0x00000200 127#define FS_XFLAG_NOSYMLINKS 0x00000400 128#define FS_XFLAG_EXTSIZE 0x00000800 129#define FS_XFLAG_EXTSZINHERIT 0x00001000 130#define FS_XFLAG_NODEFRAG 0x00002000 131#define FS_XFLAG_FILESTREAM 0x00004000 132#define FS_XFLAG_DAX 0x00008000 133#define FS_XFLAG_COWEXTSIZE 0x00010000 134#define FS_XFLAG_HASATTR 0x80000000 135#define BLKROSET _IO(0x12, 93) 136#define BLKROGET _IO(0x12, 94) 137#define BLKRRPART _IO(0x12, 95) 138#define BLKGETSIZE _IO(0x12, 96) 139#define BLKFLSBUF _IO(0x12, 97) 140#define BLKRASET _IO(0x12, 98) 141#define BLKRAGET _IO(0x12, 99) 142#define BLKFRASET _IO(0x12, 100) 143#define BLKFRAGET _IO(0x12, 101) 144#define BLKSECTSET _IO(0x12, 102) 145#define BLKSECTGET _IO(0x12, 103) 146#define BLKSSZGET _IO(0x12, 104) 147#define BLKBSZGET _IOR(0x12, 112, size_t) 148#define BLKBSZSET _IOW(0x12, 113, size_t) 149#define BLKGETSIZE64 _IOR(0x12, 114, size_t) 150#define BLKTRACESETUP _IOWR(0x12, 115, struct blk_user_trace_setup) 151#define BLKTRACESTART _IO(0x12, 116) 152#define BLKTRACESTOP _IO(0x12, 117) 153#define BLKTRACETEARDOWN _IO(0x12, 118) 154#define BLKDISCARD _IO(0x12, 119) 155#define BLKIOMIN _IO(0x12, 120) 156#define BLKIOOPT _IO(0x12, 121) 157#define BLKALIGNOFF _IO(0x12, 122) 158#define BLKPBSZGET _IO(0x12, 123) 159#define BLKDISCARDZEROES _IO(0x12, 124) 160#define BLKSECDISCARD _IO(0x12, 125) 161#define BLKROTATIONAL _IO(0x12, 126) 162#define BLKZEROOUT _IO(0x12, 127) 163#define BMAP_IOCTL 1 164#define FIBMAP _IO(0x00, 1) 165#define FIGETBSZ _IO(0x00, 2) 166#define FIFREEZE _IOWR('X', 119, int) 167#define FITHAW _IOWR('X', 120, int) 168#define FITRIM _IOWR('X', 121, struct fstrim_range) 169#define FICLONE _IOW(0x94, 9, int) 170#define FICLONERANGE _IOW(0x94, 13, struct file_clone_range) 171#define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range) 172#define FS_IOC_GETFLAGS _IOR('f', 1, long) 173#define FS_IOC_SETFLAGS _IOW('f', 2, long) 174#define FS_IOC_GETVERSION _IOR('v', 1, long) 175#define FS_IOC_SETVERSION _IOW('v', 2, long) 176#define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap) 177#define FS_IOC32_GETFLAGS _IOR('f', 1, int) 178#define FS_IOC32_SETFLAGS _IOW('f', 2, int) 179#define FS_IOC32_GETVERSION _IOR('v', 1, int) 180#define FS_IOC32_SETVERSION _IOW('v', 2, int) 181#define FS_IOC_FSGETXATTR _IOR('X', 31, struct fsxattr) 182#define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr) 183#define FS_KEY_DESCRIPTOR_SIZE 8 184#define FS_POLICY_FLAGS_PAD_4 0x00 185#define FS_POLICY_FLAGS_PAD_8 0x01 186#define FS_POLICY_FLAGS_PAD_16 0x02 187#define FS_POLICY_FLAGS_PAD_32 0x03 188#define FS_POLICY_FLAGS_PAD_MASK 0x03 189#define FS_POLICY_FLAGS_VALID 0x03 190#define FS_ENCRYPTION_MODE_INVALID 0 191#define FS_ENCRYPTION_MODE_AES_256_XTS 1 192#define FS_ENCRYPTION_MODE_AES_256_GCM 2 193#define FS_ENCRYPTION_MODE_AES_256_CBC 3 194#define FS_ENCRYPTION_MODE_AES_256_CTS 4 195struct fscrypt_policy { 196 __u8 version; 197 __u8 contents_encryption_mode; 198 __u8 filenames_encryption_mode; 199 __u8 flags; 200 __u8 master_key_descriptor[FS_KEY_DESCRIPTOR_SIZE]; 201} __packed; 202#define FS_IOC_SET_ENCRYPTION_POLICY _IOR('f', 19, struct fscrypt_policy) 203#define FS_IOC_GET_ENCRYPTION_PWSALT _IOW('f', 20, __u8[16]) 204#define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy) 205#define FS_SECRM_FL 0x00000001 206#define FS_UNRM_FL 0x00000002 207#define FS_COMPR_FL 0x00000004 208#define FS_SYNC_FL 0x00000008 209#define FS_IMMUTABLE_FL 0x00000010 210#define FS_APPEND_FL 0x00000020 211#define FS_NODUMP_FL 0x00000040 212#define FS_NOATIME_FL 0x00000080 213#define FS_DIRTY_FL 0x00000100 214#define FS_COMPRBLK_FL 0x00000200 215#define FS_NOCOMP_FL 0x00000400 216#define FS_ENCRYPT_FL 0x00000800 217#define FS_BTREE_FL 0x00001000 218#define FS_INDEX_FL 0x00001000 219#define FS_IMAGIC_FL 0x00002000 220#define FS_JOURNAL_DATA_FL 0x00004000 221#define FS_NOTAIL_FL 0x00008000 222#define FS_DIRSYNC_FL 0x00010000 223#define FS_TOPDIR_FL 0x00020000 224#define FS_HUGE_FILE_FL 0x00040000 225#define FS_EXTENT_FL 0x00080000 226#define FS_EA_INODE_FL 0x00200000 227#define FS_EOFBLOCKS_FL 0x00400000 228#define FS_NOCOW_FL 0x00800000 229#define FS_INLINE_DATA_FL 0x10000000 230#define FS_PROJINHERIT_FL 0x20000000 231#define FS_RESERVED_FL 0x80000000 232#define FS_FL_USER_VISIBLE 0x0003DFFF 233#define FS_FL_USER_MODIFIABLE 0x000380FF 234#define SYNC_FILE_RANGE_WAIT_BEFORE 1 235#define SYNC_FILE_RANGE_WRITE 2 236#define SYNC_FILE_RANGE_WAIT_AFTER 4 237#define RWF_HIPRI 0x00000001 238#define RWF_DSYNC 0x00000002 239#define RWF_SYNC 0x00000004 240#endif 241