1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_GENERIC_STATFS_H
3 #define _UAPI_GENERIC_STATFS_H
4 
5 #include <linux/types.h>
6 
7 
8 /*
9  * Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'.
10  * Yes, they differ in signedness as well as size.
11  * Special cases can override it for themselves -- except for S390x, which
12  * is just a little too special for us. And MIPS, which I'm not touching
13  * with a 10' pole.
14  */
15 #ifndef __statfs_word
16 #if __BITS_PER_LONG == 64
17 #define __statfs_word __kernel_long_t
18 #else
19 #define __statfs_word __u32
20 #endif
21 #endif
22 
23 struct statfs {
24 	__statfs_word f_type;
25 	__statfs_word f_bsize;
26 	__statfs_word f_blocks;
27 	__statfs_word f_bfree;
28 	__statfs_word f_bavail;
29 	__statfs_word f_files;
30 	__statfs_word f_ffree;
31 	__kernel_fsid_t f_fsid;
32 	__statfs_word f_namelen;
33 	__statfs_word f_frsize;
34 	__statfs_word f_flags;
35 	__statfs_word f_spare[4];
36 };
37 
38 /*
39  * ARM needs to avoid the 32-bit padding at the end, for consistency
40  * between EABI and OABI
41  */
42 #ifndef ARCH_PACK_STATFS64
43 #define ARCH_PACK_STATFS64
44 #endif
45 
46 struct statfs64 {
47 	__statfs_word f_type;
48 	__statfs_word f_bsize;
49 	__u64 f_blocks;
50 	__u64 f_bfree;
51 	__u64 f_bavail;
52 	__u64 f_files;
53 	__u64 f_ffree;
54 	__kernel_fsid_t f_fsid;
55 	__statfs_word f_namelen;
56 	__statfs_word f_frsize;
57 	__statfs_word f_flags;
58 	__statfs_word f_spare[4];
59 } ARCH_PACK_STATFS64;
60 
61 /*
62  * IA64 and x86_64 need to avoid the 32-bit padding at the end,
63  * to be compatible with the i386 ABI
64  */
65 #ifndef ARCH_PACK_COMPAT_STATFS64
66 #define ARCH_PACK_COMPAT_STATFS64
67 #endif
68 
69 struct compat_statfs64 {
70 	__u32 f_type;
71 	__u32 f_bsize;
72 	__u64 f_blocks;
73 	__u64 f_bfree;
74 	__u64 f_bavail;
75 	__u64 f_files;
76 	__u64 f_ffree;
77 	__kernel_fsid_t f_fsid;
78 	__u32 f_namelen;
79 	__u32 f_frsize;
80 	__u32 f_flags;
81 	__u32 f_spare[4];
82 } ARCH_PACK_COMPAT_STATFS64;
83 
84 #endif /* _UAPI_GENERIC_STATFS_H */
85