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fb7df12d | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
67ef2879 ACM |
2 | #ifndef _UAPI_LINUX_STAT_H |
3 | #define _UAPI_LINUX_STAT_H | |
4 | ||
5 | #include <linux/types.h> | |
6 | ||
7 | #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) | |
8 | ||
9 | #define S_IFMT 00170000 | |
10 | #define S_IFSOCK 0140000 | |
11 | #define S_IFLNK 0120000 | |
12 | #define S_IFREG 0100000 | |
13 | #define S_IFBLK 0060000 | |
14 | #define S_IFDIR 0040000 | |
15 | #define S_IFCHR 0020000 | |
16 | #define S_IFIFO 0010000 | |
17 | #define S_ISUID 0004000 | |
18 | #define S_ISGID 0002000 | |
19 | #define S_ISVTX 0001000 | |
20 | ||
21 | #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) | |
22 | #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) | |
23 | #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) | |
24 | #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) | |
25 | #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) | |
26 | #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) | |
27 | #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) | |
28 | ||
29 | #define S_IRWXU 00700 | |
30 | #define S_IRUSR 00400 | |
31 | #define S_IWUSR 00200 | |
32 | #define S_IXUSR 00100 | |
33 | ||
34 | #define S_IRWXG 00070 | |
35 | #define S_IRGRP 00040 | |
36 | #define S_IWGRP 00020 | |
37 | #define S_IXGRP 00010 | |
38 | ||
39 | #define S_IRWXO 00007 | |
40 | #define S_IROTH 00004 | |
41 | #define S_IWOTH 00002 | |
42 | #define S_IXOTH 00001 | |
43 | ||
44 | #endif | |
45 | ||
46 | /* | |
47 | * Timestamp structure for the timestamps in struct statx. | |
48 | * | |
49 | * tv_sec holds the number of seconds before (negative) or after (positive) | |
50 | * 00:00:00 1st January 1970 UTC. | |
51 | * | |
6e30437b | 52 | * tv_nsec holds a number of nanoseconds (0..999,999,999) after the tv_sec time. |
67ef2879 ACM |
53 | * |
54 | * __reserved is held in case we need a yet finer resolution. | |
55 | */ | |
56 | struct statx_timestamp { | |
57 | __s64 tv_sec; | |
6e30437b | 58 | __u32 tv_nsec; |
67ef2879 ACM |
59 | __s32 __reserved; |
60 | }; | |
61 | ||
62 | /* | |
63 | * Structures for the extended file attribute retrieval system call | |
64 | * (statx()). | |
65 | * | |
66 | * The caller passes a mask of what they're specifically interested in as a | |
67 | * parameter to statx(). What statx() actually got will be indicated in | |
68 | * st_mask upon return. | |
69 | * | |
70 | * For each bit in the mask argument: | |
71 | * | |
72 | * - if the datum is not supported: | |
73 | * | |
74 | * - the bit will be cleared, and | |
75 | * | |
76 | * - the datum will be set to an appropriate fabricated value if one is | |
77 | * available (eg. CIFS can take a default uid and gid), otherwise | |
78 | * | |
79 | * - the field will be cleared; | |
80 | * | |
81 | * - otherwise, if explicitly requested: | |
82 | * | |
83 | * - the datum will be synchronised to the server if AT_STATX_FORCE_SYNC is | |
84 | * set or if the datum is considered out of date, and | |
85 | * | |
86 | * - the field will be filled in and the bit will be set; | |
87 | * | |
88 | * - otherwise, if not requested, but available in approximate form without any | |
89 | * effort, it will be filled in anyway, and the bit will be set upon return | |
90 | * (it might not be up to date, however, and no attempt will be made to | |
91 | * synchronise the internal state first); | |
92 | * | |
93 | * - otherwise the field and the bit will be cleared before returning. | |
94 | * | |
95 | * Items in STATX_BASIC_STATS may be marked unavailable on return, but they | |
96 | * will have values installed for compatibility purposes so that stat() and | |
97 | * co. can be emulated in userspace. | |
98 | */ | |
99 | struct statx { | |
100 | /* 0x00 */ | |
101 | __u32 stx_mask; /* What results were written [uncond] */ | |
102 | __u32 stx_blksize; /* Preferred general I/O size [uncond] */ | |
103 | __u64 stx_attributes; /* Flags conveying information about the file [uncond] */ | |
104 | /* 0x10 */ | |
105 | __u32 stx_nlink; /* Number of hard links */ | |
106 | __u32 stx_uid; /* User ID of owner */ | |
107 | __u32 stx_gid; /* Group ID of owner */ | |
108 | __u16 stx_mode; /* File mode */ | |
109 | __u16 __spare0[1]; | |
110 | /* 0x20 */ | |
111 | __u64 stx_ino; /* Inode number */ | |
112 | __u64 stx_size; /* File size */ | |
113 | __u64 stx_blocks; /* Number of 512-byte blocks allocated */ | |
04ec75e0 | 114 | __u64 stx_attributes_mask; /* Mask to show what's supported in stx_attributes */ |
67ef2879 ACM |
115 | /* 0x40 */ |
116 | struct statx_timestamp stx_atime; /* Last access time */ | |
117 | struct statx_timestamp stx_btime; /* File creation time */ | |
118 | struct statx_timestamp stx_ctime; /* Last attribute change time */ | |
119 | struct statx_timestamp stx_mtime; /* Last data modification time */ | |
120 | /* 0x80 */ | |
121 | __u32 stx_rdev_major; /* Device ID of special file [if bdev/cdev] */ | |
122 | __u32 stx_rdev_minor; | |
123 | __u32 stx_dev_major; /* ID of device containing file [uncond] */ | |
124 | __u32 stx_dev_minor; | |
125 | /* 0x90 */ | |
93dc627f ACM |
126 | __u64 stx_mnt_id; |
127 | __u64 __spare2; | |
128 | /* 0xa0 */ | |
129 | __u64 __spare3[12]; /* Spare space for future expansion */ | |
67ef2879 ACM |
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 */ | |
93dc627f | 154 | #define STATX_MNT_ID 0x00001000U /* Got stx_mnt_id */ |
581701b7 | 155 | |
04ec75e0 | 156 | #define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */ |
67ef2879 | 157 | |
581701b7 MS |
158 | #ifndef __KERNEL__ |
159 | /* | |
160 | * This is deprecated, and shall remain the same value in the future. To avoid | |
161 | * confusion please use the equivalent (STATX_BASIC_STATS | STATX_BTIME) | |
162 | * instead. | |
163 | */ | |
164 | #define STATX_ALL 0x00000fffU | |
165 | #endif | |
166 | ||
67ef2879 | 167 | /* |
04ec75e0 | 168 | * Attributes to be found in stx_attributes and masked in stx_attributes_mask. |
67ef2879 ACM |
169 | * |
170 | * These give information about the features or the state of a file that might | |
171 | * be of use to ordinary userspace programs such as GUIs or ls rather than | |
172 | * specialised tools. | |
173 | * | |
174 | * Note that the flags marked [I] correspond to generic FS_IOC_FLAGS | |
175 | * semantically. Where possible, the numerical value is picked to correspond | |
176 | * also. | |
177 | */ | |
178 | #define STATX_ATTR_COMPRESSED 0x00000004 /* [I] File is compressed by the fs */ | |
179 | #define STATX_ATTR_IMMUTABLE 0x00000010 /* [I] File is marked immutable */ | |
180 | #define STATX_ATTR_APPEND 0x00000020 /* [I] File is append-only */ | |
181 | #define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */ | |
182 | #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */ | |
67ef2879 | 183 | #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ |
93dc627f | 184 | #define STATX_ATTR_MOUNT_ROOT 0x00002000 /* Root of a mount */ |
c66f2566 | 185 | #define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */ |
93dc627f | 186 | #define STATX_ATTR_DAX 0x00002000 /* [I] File is DAX */ |
67ef2879 ACM |
187 | |
188 | ||
189 | #endif /* _UAPI_LINUX_STAT_H */ |