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