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| 1 | #ifndef _UAPI_LINUX_FCNTL_H | ||
| 2 | #define _UAPI_LINUX_FCNTL_H | ||
| 3 | |||
| 4 | #include <asm/fcntl.h> | ||
| 5 | |||
| 6 | #define F_SETLEASE (F_LINUX_SPECIFIC_BASE + 0) | ||
| 7 | #define F_GETLEASE (F_LINUX_SPECIFIC_BASE + 1) | ||
| 8 | |||
| 9 | /* | ||
| 10 | * Cancel a blocking posix lock; internal use only until we expose an | ||
| 11 | * asynchronous lock api to userspace: | ||
| 12 | */ | ||
| 13 | #define F_CANCELLK (F_LINUX_SPECIFIC_BASE + 5) | ||
| 14 | |||
| 15 | /* Create a file descriptor with FD_CLOEXEC set. */ | ||
| 16 | #define F_DUPFD_CLOEXEC (F_LINUX_SPECIFIC_BASE + 6) | ||
| 17 | |||
| 18 | /* | ||
| 19 | * Request nofications on a directory. | ||
| 20 | * See below for events that may be notified. | ||
| 21 | */ | ||
| 22 | #define F_NOTIFY (F_LINUX_SPECIFIC_BASE+2) | ||
| 23 | |||
| 24 | /* | ||
| 25 | * Set and get of pipe page size array | ||
| 26 | */ | ||
| 27 | #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7) | ||
| 28 | #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8) | ||
| 29 | |||
| 30 | /* | ||
| 31 | * Set/Get seals | ||
| 32 | */ | ||
| 33 | #define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9) | ||
| 34 | #define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10) | ||
| 35 | |||
| 36 | /* | ||
| 37 | * Types of seals | ||
| 38 | */ | ||
| 39 | #define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */ | ||
| 40 | #define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */ | ||
| 41 | #define F_SEAL_GROW 0x0004 /* prevent file from growing */ | ||
| 42 | #define F_SEAL_WRITE 0x0008 /* prevent writes */ | ||
| 43 | /* (1U << 31) is reserved for signed error codes */ | ||
| 44 | |||
| 45 | /* | ||
| 46 | * Types of directory notifications that may be requested. | ||
| 47 | */ | ||
| 48 | #define DN_ACCESS 0x00000001 /* File accessed */ | ||
| 49 | #define DN_MODIFY 0x00000002 /* File modified */ | ||
| 50 | #define DN_CREATE 0x00000004 /* File created */ | ||
| 51 | #define DN_DELETE 0x00000008 /* File removed */ | ||
| 52 | #define DN_RENAME 0x00000010 /* File renamed */ | ||
| 53 | #define DN_ATTRIB 0x00000020 /* File changed attibutes */ | ||
| 54 | #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */ | ||
| 55 | |||
| 56 | #define AT_FDCWD -100 /* Special value used to indicate | ||
| 57 | openat should use the current | ||
| 58 | working directory. */ | ||
| 59 | #define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */ | ||
| 60 | #define AT_REMOVEDIR 0x200 /* Remove directory instead of | ||
| 61 | unlinking file. */ | ||
| 62 | #define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */ | ||
| 63 | #define AT_NO_AUTOMOUNT 0x800 /* Suppress terminal automount traversal */ | ||
| 64 | #define AT_EMPTY_PATH 0x1000 /* Allow empty relative pathname */ | ||
| 65 | |||
| 66 | #define AT_STATX_SYNC_TYPE 0x6000 /* Type of synchronisation required from statx() */ | ||
| 67 | #define AT_STATX_SYNC_AS_STAT 0x0000 /* - Do whatever stat() does */ | ||
| 68 | #define AT_STATX_FORCE_SYNC 0x2000 /* - Force the attributes to be sync'd with the server */ | ||
| 69 | #define AT_STATX_DONT_SYNC 0x4000 /* - Don't sync attributes with the server */ | ||
| 70 | |||
| 71 | |||
| 72 | #endif /* _UAPI_LINUX_FCNTL_H */ | ||
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| 1 | #ifndef _UAPI_LINUX_STAT_H | ||
| 2 | #define _UAPI_LINUX_STAT_H | ||
| 3 | |||
| 4 | #include <linux/types.h> | ||
| 5 | |||
| 6 | #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) | ||
| 7 | |||
| 8 | #define S_IFMT 00170000 | ||
| 9 | #define S_IFSOCK 0140000 | ||
| 10 | #define S_IFLNK 0120000 | ||
| 11 | #define S_IFREG 0100000 | ||
| 12 | #define S_IFBLK 0060000 | ||
| 13 | #define S_IFDIR 0040000 | ||
| 14 | #define S_IFCHR 0020000 | ||
| 15 | #define S_IFIFO 0010000 | ||
| 16 | #define S_ISUID 0004000 | ||
| 17 | #define S_ISGID 0002000 | ||
| 18 | #define S_ISVTX 0001000 | ||
| 19 | |||
| 20 | #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) | ||
| 21 | #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) | ||
| 22 | #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) | ||
| 23 | #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) | ||
| 24 | #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) | ||
| 25 | #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) | ||
| 26 | #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) | ||
| 27 | |||
| 28 | #define S_IRWXU 00700 | ||
| 29 | #define S_IRUSR 00400 | ||
| 30 | #define S_IWUSR 00200 | ||
| 31 | #define S_IXUSR 00100 | ||
| 32 | |||
| 33 | #define S_IRWXG 00070 | ||
| 34 | #define S_IRGRP 00040 | ||
| 35 | #define S_IWGRP 00020 | ||
| 36 | #define S_IXGRP 00010 | ||
| 37 | |||
| 38 | #define S_IRWXO 00007 | ||
| 39 | #define S_IROTH 00004 | ||
| 40 | #define S_IWOTH 00002 | ||
| 41 | #define S_IXOTH 00001 | ||
| 42 | |||
| 43 | #endif | ||
| 44 | |||
| 45 | /* | ||
| 46 | * Timestamp structure for the timestamps in struct statx. | ||
| 47 | * | ||
| 48 | * tv_sec holds the number of seconds before (negative) or after (positive) | ||
| 49 | * 00:00:00 1st January 1970 UTC. | ||
| 50 | * | ||
| 51 | * tv_nsec holds a number of nanoseconds before (0..-999,999,999 if tv_sec is | ||
| 52 | * negative) or after (0..999,999,999 if tv_sec is positive) the tv_sec time. | ||
| 53 | * | ||
| 54 | * Note that if both tv_sec and tv_nsec are non-zero, then the two values must | ||
| 55 | * either be both positive or both negative. | ||
| 56 | * | ||
| 57 | * __reserved is held in case we need a yet finer resolution. | ||
| 58 | */ | ||
| 59 | struct statx_timestamp { | ||
| 60 | __s64 tv_sec; | ||
| 61 | __s32 tv_nsec; | ||
| 62 | __s32 __reserved; | ||
| 63 | }; | ||
| 64 | |||
| 65 | /* | ||
| 66 | * Structures for the extended file attribute retrieval system call | ||
| 67 | * (statx()). | ||
| 68 | * | ||
| 69 | * The caller passes a mask of what they're specifically interested in as a | ||
| 70 | * parameter to statx(). What statx() actually got will be indicated in | ||
| 71 | * st_mask upon return. | ||
| 72 | * | ||
| 73 | * For each bit in the mask argument: | ||
| 74 | * | ||
| 75 | * - if the datum is not supported: | ||
| 76 | * | ||
| 77 | * - the bit will be cleared, and | ||
| 78 | * | ||
| 79 | * - the datum will be set to an appropriate fabricated value if one is | ||
| 80 | * available (eg. CIFS can take a default uid and gid), otherwise | ||
| 81 | * | ||
| 82 | * - the field will be cleared; | ||
| 83 | * | ||
| 84 | * - otherwise, if explicitly requested: | ||
| 85 | * | ||
| 86 | * - the datum will be synchronised to the server if AT_STATX_FORCE_SYNC is | ||
| 87 | * set or if the datum is considered out of date, and | ||
| 88 | * | ||
| 89 | * - the field will be filled in and the bit will be set; | ||
| 90 | * | ||
| 91 | * - otherwise, if not requested, but available in approximate form without any | ||
| 92 | * effort, it will be filled in anyway, and the bit will be set upon return | ||
| 93 | * (it might not be up to date, however, and no attempt will be made to | ||
| 94 | * synchronise the internal state first); | ||
| 95 | * | ||
| 96 | * - otherwise the field and the bit will be cleared before returning. | ||
| 97 | * | ||
| 98 | * Items in STATX_BASIC_STATS may be marked unavailable on return, but they | ||
| 99 | * will have values installed for compatibility purposes so that stat() and | ||
| 100 | * co. can be emulated in userspace. | ||
| 101 | */ | ||
| 102 | struct statx { | ||
| 103 | /* 0x00 */ | ||
| 104 | __u32 stx_mask; /* What results were written [uncond] */ | ||
| 105 | __u32 stx_blksize; /* Preferred general I/O size [uncond] */ | ||
| 106 | __u64 stx_attributes; /* Flags conveying information about the file [uncond] */ | ||
| 107 | /* 0x10 */ | ||
| 108 | __u32 stx_nlink; /* Number of hard links */ | ||
| 109 | __u32 stx_uid; /* User ID of owner */ | ||
| 110 | __u32 stx_gid; /* Group ID of owner */ | ||
| 111 | __u16 stx_mode; /* File mode */ | ||
| 112 | __u16 __spare0[1]; | ||
| 113 | /* 0x20 */ | ||
| 114 | __u64 stx_ino; /* Inode number */ | ||
| 115 | __u64 stx_size; /* File size */ | ||
| 116 | __u64 stx_blocks; /* Number of 512-byte blocks allocated */ | ||
| 117 | __u64 __spare1[1]; | ||
| 118 | /* 0x40 */ | ||
| 119 | struct statx_timestamp stx_atime; /* Last access time */ | ||
| 120 | struct statx_timestamp stx_btime; /* File creation time */ | ||
| 121 | struct statx_timestamp stx_ctime; /* Last attribute change time */ | ||
| 122 | struct statx_timestamp stx_mtime; /* Last data modification time */ | ||
| 123 | /* 0x80 */ | ||
| 124 | __u32 stx_rdev_major; /* Device ID of special file [if bdev/cdev] */ | ||
| 125 | __u32 stx_rdev_minor; | ||
| 126 | __u32 stx_dev_major; /* ID of device containing file [uncond] */ | ||
| 127 | __u32 stx_dev_minor; | ||
| 128 | /* 0x90 */ | ||
| 129 | __u64 __spare2[14]; /* Spare space for future expansion */ | ||
| 130 | /* 0x100 */ | ||
| 131 | }; | ||
| 132 | |||
| 133 | /* | ||
| 134 | * Flags to be stx_mask | ||
| 135 | * | ||
| 136 | * Query request/result mask for statx() and struct statx::stx_mask. | ||
| 137 | * | ||
| 138 | * These bits should be set in the mask argument of statx() to request | ||
| 139 | * particular items when calling statx(). | ||
| 140 | */ | ||
| 141 | #define STATX_TYPE 0x00000001U /* Want/got stx_mode & S_IFMT */ | ||
| 142 | #define STATX_MODE 0x00000002U /* Want/got stx_mode & ~S_IFMT */ | ||
| 143 | #define STATX_NLINK 0x00000004U /* Want/got stx_nlink */ | ||
| 144 | #define STATX_UID 0x00000008U /* Want/got stx_uid */ | ||
| 145 | #define STATX_GID 0x00000010U /* Want/got stx_gid */ | ||
| 146 | #define STATX_ATIME 0x00000020U /* Want/got stx_atime */ | ||
| 147 | #define STATX_MTIME 0x00000040U /* Want/got stx_mtime */ | ||
| 148 | #define STATX_CTIME 0x00000080U /* Want/got stx_ctime */ | ||
| 149 | #define STATX_INO 0x00000100U /* Want/got stx_ino */ | ||
| 150 | #define STATX_SIZE 0x00000200U /* Want/got stx_size */ | ||
| 151 | #define STATX_BLOCKS 0x00000400U /* Want/got stx_blocks */ | ||
| 152 | #define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */ | ||
| 153 | #define STATX_BTIME 0x00000800U /* Want/got stx_btime */ | ||
| 154 | #define STATX_ALL 0x00000fffU /* All currently supported flags */ | ||
| 155 | |||
| 156 | /* | ||
| 157 | * Attributes to be found in stx_attributes | ||
| 158 | * | ||
| 159 | * These give information about the features or the state of a file that might | ||
| 160 | * be of use to ordinary userspace programs such as GUIs or ls rather than | ||
| 161 | * specialised tools. | ||
| 162 | * | ||
| 163 | * Note that the flags marked [I] correspond to generic FS_IOC_FLAGS | ||
| 164 | * semantically. Where possible, the numerical value is picked to correspond | ||
| 165 | * also. | ||
| 166 | */ | ||
| 167 | #define STATX_ATTR_COMPRESSED 0x00000004 /* [I] File is compressed by the fs */ | ||
| 168 | #define STATX_ATTR_IMMUTABLE 0x00000010 /* [I] File is marked immutable */ | ||
| 169 | #define STATX_ATTR_APPEND 0x00000020 /* [I] File is append-only */ | ||
| 170 | #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */ | ||
| 171 | #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */ | ||
| 172 | |||
| 173 | #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ | ||
| 174 | |||
| 175 | |||
| 176 | #endif /* _UAPI_LINUX_STAT_H */ | ||