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1 | #ifndef _UAPI_LINUX_STAT_H |
2 | #define _UAPI_LINUX_STAT_H | |
3 | ||
a528d35e | 4 | #include <linux/types.h> |
607ca46e DH |
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 | ||
a528d35e DH |
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 | * | |
1741937d | 51 | * tv_nsec holds a number of nanoseconds (0..999,999,999) after the tv_sec time. |
a528d35e DH |
52 | * |
53 | * __reserved is held in case we need a yet finer resolution. | |
54 | */ | |
55 | struct statx_timestamp { | |
56 | __s64 tv_sec; | |
1741937d | 57 | __u32 tv_nsec; |
a528d35e DH |
58 | __s32 __reserved; |
59 | }; | |
60 | ||
61 | /* | |
62 | * Structures for the extended file attribute retrieval system call | |
63 | * (statx()). | |
64 | * | |
65 | * The caller passes a mask of what they're specifically interested in as a | |
66 | * parameter to statx(). What statx() actually got will be indicated in | |
67 | * st_mask upon return. | |
68 | * | |
69 | * For each bit in the mask argument: | |
70 | * | |
71 | * - if the datum is not supported: | |
72 | * | |
73 | * - the bit will be cleared, and | |
74 | * | |
75 | * - the datum will be set to an appropriate fabricated value if one is | |
76 | * available (eg. CIFS can take a default uid and gid), otherwise | |
77 | * | |
78 | * - the field will be cleared; | |
79 | * | |
80 | * - otherwise, if explicitly requested: | |
81 | * | |
82 | * - the datum will be synchronised to the server if AT_STATX_FORCE_SYNC is | |
83 | * set or if the datum is considered out of date, and | |
84 | * | |
85 | * - the field will be filled in and the bit will be set; | |
86 | * | |
87 | * - otherwise, if not requested, but available in approximate form without any | |
88 | * effort, it will be filled in anyway, and the bit will be set upon return | |
89 | * (it might not be up to date, however, and no attempt will be made to | |
90 | * synchronise the internal state first); | |
91 | * | |
92 | * - otherwise the field and the bit will be cleared before returning. | |
93 | * | |
94 | * Items in STATX_BASIC_STATS may be marked unavailable on return, but they | |
95 | * will have values installed for compatibility purposes so that stat() and | |
96 | * co. can be emulated in userspace. | |
97 | */ | |
98 | struct statx { | |
99 | /* 0x00 */ | |
100 | __u32 stx_mask; /* What results were written [uncond] */ | |
101 | __u32 stx_blksize; /* Preferred general I/O size [uncond] */ | |
102 | __u64 stx_attributes; /* Flags conveying information about the file [uncond] */ | |
103 | /* 0x10 */ | |
104 | __u32 stx_nlink; /* Number of hard links */ | |
105 | __u32 stx_uid; /* User ID of owner */ | |
106 | __u32 stx_gid; /* Group ID of owner */ | |
107 | __u16 stx_mode; /* File mode */ | |
108 | __u16 __spare0[1]; | |
109 | /* 0x20 */ | |
110 | __u64 stx_ino; /* Inode number */ | |
111 | __u64 stx_size; /* File size */ | |
112 | __u64 stx_blocks; /* Number of 512-byte blocks allocated */ | |
3209f68b | 113 | __u64 stx_attributes_mask; /* Mask to show what's supported in stx_attributes */ |
a528d35e DH |
114 | /* 0x40 */ |
115 | struct statx_timestamp stx_atime; /* Last access time */ | |
116 | struct statx_timestamp stx_btime; /* File creation time */ | |
117 | struct statx_timestamp stx_ctime; /* Last attribute change time */ | |
118 | struct statx_timestamp stx_mtime; /* Last data modification time */ | |
119 | /* 0x80 */ | |
120 | __u32 stx_rdev_major; /* Device ID of special file [if bdev/cdev] */ | |
121 | __u32 stx_rdev_minor; | |
122 | __u32 stx_dev_major; /* ID of device containing file [uncond] */ | |
123 | __u32 stx_dev_minor; | |
124 | /* 0x90 */ | |
125 | __u64 __spare2[14]; /* Spare space for future expansion */ | |
126 | /* 0x100 */ | |
127 | }; | |
128 | ||
129 | /* | |
130 | * Flags to be stx_mask | |
131 | * | |
132 | * Query request/result mask for statx() and struct statx::stx_mask. | |
133 | * | |
134 | * These bits should be set in the mask argument of statx() to request | |
135 | * particular items when calling statx(). | |
136 | */ | |
137 | #define STATX_TYPE 0x00000001U /* Want/got stx_mode & S_IFMT */ | |
138 | #define STATX_MODE 0x00000002U /* Want/got stx_mode & ~S_IFMT */ | |
139 | #define STATX_NLINK 0x00000004U /* Want/got stx_nlink */ | |
140 | #define STATX_UID 0x00000008U /* Want/got stx_uid */ | |
141 | #define STATX_GID 0x00000010U /* Want/got stx_gid */ | |
142 | #define STATX_ATIME 0x00000020U /* Want/got stx_atime */ | |
143 | #define STATX_MTIME 0x00000040U /* Want/got stx_mtime */ | |
144 | #define STATX_CTIME 0x00000080U /* Want/got stx_ctime */ | |
145 | #define STATX_INO 0x00000100U /* Want/got stx_ino */ | |
146 | #define STATX_SIZE 0x00000200U /* Want/got stx_size */ | |
147 | #define STATX_BLOCKS 0x00000400U /* Want/got stx_blocks */ | |
148 | #define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */ | |
149 | #define STATX_BTIME 0x00000800U /* Want/got stx_btime */ | |
150 | #define STATX_ALL 0x00000fffU /* All currently supported flags */ | |
47071aee | 151 | #define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */ |
a528d35e DH |
152 | |
153 | /* | |
3209f68b | 154 | * Attributes to be found in stx_attributes and masked in stx_attributes_mask. |
a528d35e DH |
155 | * |
156 | * These give information about the features or the state of a file that might | |
157 | * be of use to ordinary userspace programs such as GUIs or ls rather than | |
158 | * specialised tools. | |
159 | * | |
160 | * Note that the flags marked [I] correspond to generic FS_IOC_FLAGS | |
161 | * semantically. Where possible, the numerical value is picked to correspond | |
162 | * also. | |
163 | */ | |
164 | #define STATX_ATTR_COMPRESSED 0x00000004 /* [I] File is compressed by the fs */ | |
165 | #define STATX_ATTR_IMMUTABLE 0x00000010 /* [I] File is marked immutable */ | |
166 | #define STATX_ATTR_APPEND 0x00000020 /* [I] File is append-only */ | |
167 | #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */ | |
168 | #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */ | |
169 | ||
170 | #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ | |
171 | ||
607ca46e DH |
172 | |
173 | #endif /* _UAPI_LINUX_STAT_H */ |