1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_STAT_H
3 #define _LINUX_STAT_H
4 
5 
6 #include <asm/stat.h>
7 #include <uapi/linux/stat.h>
8 
9 #define S_IRWXUGO	(S_IRWXU|S_IRWXG|S_IRWXO)
10 #define S_IALLUGO	(S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)
11 #define S_IRUGO		(S_IRUSR|S_IRGRP|S_IROTH)
12 #define S_IWUGO		(S_IWUSR|S_IWGRP|S_IWOTH)
13 #define S_IXUGO		(S_IXUSR|S_IXGRP|S_IXOTH)
14 
15 #define UTIME_NOW	((1l << 30) - 1l)
16 #define UTIME_OMIT	((1l << 30) - 2l)
17 
18 #include <linux/types.h>
19 #include <linux/time.h>
20 #include <linux/uidgid.h>
21 
22 struct kstat {
23 	u32		result_mask;	/* What fields the user got */
24 	umode_t		mode;
25 	unsigned int	nlink;
26 	uint32_t	blksize;	/* Preferred I/O size */
27 	u64		attributes;
28 	u64		attributes_mask;
29 #define KSTAT_ATTR_FS_IOC_FLAGS				\
30 	(STATX_ATTR_COMPRESSED |			\
31 	 STATX_ATTR_IMMUTABLE |				\
32 	 STATX_ATTR_APPEND |				\
33 	 STATX_ATTR_NODUMP |				\
34 	 STATX_ATTR_ENCRYPTED |				\
35 	 STATX_ATTR_VERITY				\
36 	 )/* Attrs corresponding to FS_*_FL flags */
37 #define KSTAT_ATTR_VFS_FLAGS				\
38 	(STATX_ATTR_IMMUTABLE |				\
39 	 STATX_ATTR_APPEND				\
40 	 ) /* Attrs corresponding to S_* flags that are enforced by the VFS */
41 	u64		ino;
42 	dev_t		dev;
43 	dev_t		rdev;
44 	kuid_t		uid;
45 	kgid_t		gid;
46 	loff_t		size;
47 	struct timespec64 atime;
48 	struct timespec64 mtime;
49 	struct timespec64 ctime;
50 	struct timespec64 btime;			/* File creation time */
51 	u64		blocks;
52 	u64		mnt_id;
53 	u32		dio_mem_align;
54 	u32		dio_offset_align;
55 	u64		change_cookie;
56 	u64		subvol;
57 	u32		atomic_write_unit_min;
58 	u32		atomic_write_unit_max;
59 	u32		atomic_write_segments_max;
60 };
61 
62 /* These definitions are internal to the kernel for now. Mainly used by nfsd. */
63 
64 /* mask values */
65 #define STATX_CHANGE_COOKIE		0x40000000U	/* Want/got stx_change_attr */
66 
67 /* file attribute values */
68 #define STATX_ATTR_CHANGE_MONOTONIC	0x8000000000000000ULL /* version monotonically increases */
69 
70 #endif
71