xref: /openbmc/linux/include/asm-generic/statfs.h (revision b8bb76713ec50df2f11efee386e16f93d51e1076)
1 #ifndef _GENERIC_STATFS_H
2 #define _GENERIC_STATFS_H
3 
4 #include <linux/types.h>
5 
6 #ifdef __KERNEL__
7 typedef __kernel_fsid_t	fsid_t;
8 #endif
9 
10 /*
11  * Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'.
12  * Yes, they differ in signedness as well as size.
13  * Special cases can override it for themselves -- except for S390x, which
14  * is just a little too special for us. And MIPS, which I'm not touching
15  * with a 10' pole.
16  */
17 #ifndef __statfs_word
18 #if BITS_PER_LONG == 64
19 #define __statfs_word long
20 #else
21 #define __statfs_word __u32
22 #endif
23 #endif
24 
25 struct statfs {
26 	__statfs_word f_type;
27 	__statfs_word f_bsize;
28 	__statfs_word f_blocks;
29 	__statfs_word f_bfree;
30 	__statfs_word f_bavail;
31 	__statfs_word f_files;
32 	__statfs_word f_ffree;
33 	__kernel_fsid_t f_fsid;
34 	__statfs_word f_namelen;
35 	__statfs_word f_frsize;
36 	__statfs_word f_spare[5];
37 };
38 
39 /*
40  * ARM needs to avoid the 32-bit padding at the end, for consistency
41  * between EABI and OABI
42  */
43 #ifndef ARCH_PACK_STATFS64
44 #define ARCH_PACK_STATFS64
45 #endif
46 
47 struct statfs64 {
48 	__statfs_word f_type;
49 	__statfs_word f_bsize;
50 	__u64 f_blocks;
51 	__u64 f_bfree;
52 	__u64 f_bavail;
53 	__u64 f_files;
54 	__u64 f_ffree;
55 	__kernel_fsid_t f_fsid;
56 	__statfs_word f_namelen;
57 	__statfs_word f_frsize;
58 	__statfs_word f_spare[5];
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_spare[5];
81 } ARCH_PACK_COMPAT_STATFS64;
82 
83 #endif
84