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) 38 struct file_clone_range { 39 __s64 src_fd; 40 __u64 src_offset; 41 __u64 src_length; 42 __u64 dest_offset; 43 }; 44 struct 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 51 struct file_dedupe_range_info { 52 __s64 dest_fd; 53 __u64 dest_offset; 54 __u64 bytes_deduped; 55 __s32 status; 56 __u32 reserved; 57 }; 58 struct 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 }; 66 struct files_stat_struct { 67 unsigned long nr_files; 68 unsigned long nr_free_files; 69 unsigned long max_files; 70 }; 71 struct 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_SUBMOUNT (1 << 26) 103 #define MS_NOREMOTELOCK (1 << 27) 104 #define MS_NOSEC (1 << 28) 105 #define MS_BORN (1 << 29) 106 #define MS_ACTIVE (1 << 30) 107 #define MS_NOUSER (1 << 31) 108 #define MS_RMT_MASK (MS_RDONLY | MS_SYNCHRONOUS | MS_MANDLOCK | MS_I_VERSION | MS_LAZYTIME) 109 #define MS_MGC_VAL 0xC0ED0000 110 #define MS_MGC_MSK 0xffff0000 111 struct fsxattr { 112 __u32 fsx_xflags; 113 __u32 fsx_extsize; 114 __u32 fsx_nextents; 115 __u32 fsx_projid; 116 __u32 fsx_cowextsize; 117 unsigned char fsx_pad[8]; 118 }; 119 #define FS_XFLAG_REALTIME 0x00000001 120 #define FS_XFLAG_PREALLOC 0x00000002 121 #define FS_XFLAG_IMMUTABLE 0x00000008 122 #define FS_XFLAG_APPEND 0x00000010 123 #define FS_XFLAG_SYNC 0x00000020 124 #define FS_XFLAG_NOATIME 0x00000040 125 #define FS_XFLAG_NODUMP 0x00000080 126 #define FS_XFLAG_RTINHERIT 0x00000100 127 #define FS_XFLAG_PROJINHERIT 0x00000200 128 #define FS_XFLAG_NOSYMLINKS 0x00000400 129 #define FS_XFLAG_EXTSIZE 0x00000800 130 #define FS_XFLAG_EXTSZINHERIT 0x00001000 131 #define FS_XFLAG_NODEFRAG 0x00002000 132 #define FS_XFLAG_FILESTREAM 0x00004000 133 #define FS_XFLAG_DAX 0x00008000 134 #define FS_XFLAG_COWEXTSIZE 0x00010000 135 #define FS_XFLAG_HASATTR 0x80000000 136 #define BLKROSET _IO(0x12, 93) 137 #define BLKROGET _IO(0x12, 94) 138 #define BLKRRPART _IO(0x12, 95) 139 #define BLKGETSIZE _IO(0x12, 96) 140 #define BLKFLSBUF _IO(0x12, 97) 141 #define BLKRASET _IO(0x12, 98) 142 #define BLKRAGET _IO(0x12, 99) 143 #define BLKFRASET _IO(0x12, 100) 144 #define BLKFRAGET _IO(0x12, 101) 145 #define BLKSECTSET _IO(0x12, 102) 146 #define BLKSECTGET _IO(0x12, 103) 147 #define BLKSSZGET _IO(0x12, 104) 148 #define BLKBSZGET _IOR(0x12, 112, size_t) 149 #define BLKBSZSET _IOW(0x12, 113, size_t) 150 #define BLKGETSIZE64 _IOR(0x12, 114, size_t) 151 #define BLKTRACESETUP _IOWR(0x12, 115, struct blk_user_trace_setup) 152 #define BLKTRACESTART _IO(0x12, 116) 153 #define BLKTRACESTOP _IO(0x12, 117) 154 #define BLKTRACETEARDOWN _IO(0x12, 118) 155 #define BLKDISCARD _IO(0x12, 119) 156 #define BLKIOMIN _IO(0x12, 120) 157 #define BLKIOOPT _IO(0x12, 121) 158 #define BLKALIGNOFF _IO(0x12, 122) 159 #define BLKPBSZGET _IO(0x12, 123) 160 #define BLKDISCARDZEROES _IO(0x12, 124) 161 #define BLKSECDISCARD _IO(0x12, 125) 162 #define BLKROTATIONAL _IO(0x12, 126) 163 #define BLKZEROOUT _IO(0x12, 127) 164 #define BMAP_IOCTL 1 165 #define FIBMAP _IO(0x00, 1) 166 #define FIGETBSZ _IO(0x00, 2) 167 #define FIFREEZE _IOWR('X', 119, int) 168 #define FITHAW _IOWR('X', 120, int) 169 #define FITRIM _IOWR('X', 121, struct fstrim_range) 170 #define FICLONE _IOW(0x94, 9, int) 171 #define FICLONERANGE _IOW(0x94, 13, struct file_clone_range) 172 #define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range) 173 #define FS_IOC_GETFLAGS _IOR('f', 1, long) 174 #define FS_IOC_SETFLAGS _IOW('f', 2, long) 175 #define FS_IOC_GETVERSION _IOR('v', 1, long) 176 #define FS_IOC_SETVERSION _IOW('v', 2, long) 177 #define FS_IOC_FIEMAP _IOWR('f', 11, struct fiemap) 178 #define FS_IOC32_GETFLAGS _IOR('f', 1, int) 179 #define FS_IOC32_SETFLAGS _IOW('f', 2, int) 180 #define FS_IOC32_GETVERSION _IOR('v', 1, int) 181 #define FS_IOC32_SETVERSION _IOW('v', 2, int) 182 #define FS_IOC_FSGETXATTR _IOR('X', 31, struct fsxattr) 183 #define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr) 184 #define FS_KEY_DESCRIPTOR_SIZE 8 185 #define FS_POLICY_FLAGS_PAD_4 0x00 186 #define FS_POLICY_FLAGS_PAD_8 0x01 187 #define FS_POLICY_FLAGS_PAD_16 0x02 188 #define FS_POLICY_FLAGS_PAD_32 0x03 189 #define FS_POLICY_FLAGS_PAD_MASK 0x03 190 #define FS_POLICY_FLAGS_VALID 0x03 191 #define FS_ENCRYPTION_MODE_INVALID 0 192 #define FS_ENCRYPTION_MODE_AES_256_XTS 1 193 #define FS_ENCRYPTION_MODE_AES_256_GCM 2 194 #define FS_ENCRYPTION_MODE_AES_256_CBC 3 195 #define FS_ENCRYPTION_MODE_AES_256_CTS 4 196 #define FS_ENCRYPTION_MODE_AES_128_CBC 5 197 #define FS_ENCRYPTION_MODE_AES_128_CTS 6 198 struct fscrypt_policy { 199 __u8 version; 200 __u8 contents_encryption_mode; 201 __u8 filenames_encryption_mode; 202 __u8 flags; 203 __u8 master_key_descriptor[FS_KEY_DESCRIPTOR_SIZE]; 204 }; 205 #define FS_IOC_SET_ENCRYPTION_POLICY _IOR('f', 19, struct fscrypt_policy) 206 #define FS_IOC_GET_ENCRYPTION_PWSALT _IOW('f', 20, __u8[16]) 207 #define FS_IOC_GET_ENCRYPTION_POLICY _IOW('f', 21, struct fscrypt_policy) 208 #define FS_KEY_DESC_PREFIX "fscrypt:" 209 #define FS_KEY_DESC_PREFIX_SIZE 8 210 #define FS_MAX_KEY_SIZE 64 211 struct fscrypt_key { 212 __u32 mode; 213 __u8 raw[FS_MAX_KEY_SIZE]; 214 __u32 size; 215 }; 216 #define FS_SECRM_FL 0x00000001 217 #define FS_UNRM_FL 0x00000002 218 #define FS_COMPR_FL 0x00000004 219 #define FS_SYNC_FL 0x00000008 220 #define FS_IMMUTABLE_FL 0x00000010 221 #define FS_APPEND_FL 0x00000020 222 #define FS_NODUMP_FL 0x00000040 223 #define FS_NOATIME_FL 0x00000080 224 #define FS_DIRTY_FL 0x00000100 225 #define FS_COMPRBLK_FL 0x00000200 226 #define FS_NOCOMP_FL 0x00000400 227 #define FS_ENCRYPT_FL 0x00000800 228 #define FS_BTREE_FL 0x00001000 229 #define FS_INDEX_FL 0x00001000 230 #define FS_IMAGIC_FL 0x00002000 231 #define FS_JOURNAL_DATA_FL 0x00004000 232 #define FS_NOTAIL_FL 0x00008000 233 #define FS_DIRSYNC_FL 0x00010000 234 #define FS_TOPDIR_FL 0x00020000 235 #define FS_HUGE_FILE_FL 0x00040000 236 #define FS_EXTENT_FL 0x00080000 237 #define FS_EA_INODE_FL 0x00200000 238 #define FS_EOFBLOCKS_FL 0x00400000 239 #define FS_NOCOW_FL 0x00800000 240 #define FS_INLINE_DATA_FL 0x10000000 241 #define FS_PROJINHERIT_FL 0x20000000 242 #define FS_RESERVED_FL 0x80000000 243 #define FS_FL_USER_VISIBLE 0x0003DFFF 244 #define FS_FL_USER_MODIFIABLE 0x000380FF 245 #define SYNC_FILE_RANGE_WAIT_BEFORE 1 246 #define SYNC_FILE_RANGE_WRITE 2 247 #define SYNC_FILE_RANGE_WAIT_AFTER 4 248 typedef int __bitwise __kernel_rwf_t; 249 #define RWF_HIPRI ((__force __kernel_rwf_t) 0x00000001) 250 #define RWF_DSYNC ((__force __kernel_rwf_t) 0x00000002) 251 #define RWF_SYNC ((__force __kernel_rwf_t) 0x00000004) 252 #define RWF_NOWAIT ((__force __kernel_rwf_t) 0x00000008) 253 #define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT) 254 #endif 255