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