xref: /linux-6.15/tools/include/linux/types.h (revision c724c866)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _TOOLS_LINUX_TYPES_H_
3 #define _TOOLS_LINUX_TYPES_H_
4 
5 #include <stdbool.h>
6 #include <stddef.h>
7 #include <stdint.h>
8 
9 #ifndef __SANE_USERSPACE_TYPES__
10 #define __SANE_USERSPACE_TYPES__	/* For PPC64, to get LL64 types */
11 #endif
12 
13 #include <asm/types.h>
14 #include <asm/posix_types.h>
15 
16 struct page;
17 struct kmem_cache;
18 
19 typedef enum {
20 	GFP_KERNEL,
21 	GFP_ATOMIC,
22 	__GFP_HIGHMEM,
23 	__GFP_HIGH
24 } gfp_t;
25 
26 /*
27  * We define u64 as uint64_t for every architecture
28  * so that we can print it with "%"PRIx64 without getting warnings.
29  *
30  * typedef __u64 u64;
31  * typedef __s64 s64;
32  */
33 typedef uint64_t u64;
34 typedef int64_t s64;
35 
36 typedef __u32 u32;
37 typedef __s32 s32;
38 
39 typedef __u16 u16;
40 typedef __s16 s16;
41 
42 typedef __u8  u8;
43 typedef __s8  s8;
44 
45 #ifdef __CHECKER__
46 #define __bitwise	__attribute__((bitwise))
47 #else
48 #define __bitwise
49 #endif
50 
51 #define __force
52 #define __user
53 #define __must_check
54 #define __cold
55 
56 typedef __u16 __bitwise __le16;
57 typedef __u16 __bitwise __be16;
58 typedef __u32 __bitwise __le32;
59 typedef __u32 __bitwise __be32;
60 typedef __u64 __bitwise __le64;
61 typedef __u64 __bitwise __be64;
62 
63 typedef __u16 __bitwise __sum16;
64 typedef __u32 __bitwise __wsum;
65 
66 typedef struct {
67 	int counter;
68 } atomic_t;
69 
70 #ifndef __aligned_u64
71 # define __aligned_u64 __u64 __attribute__((aligned(8)))
72 #endif
73 
74 struct list_head {
75 	struct list_head *next, *prev;
76 };
77 
78 struct hlist_head {
79 	struct hlist_node *first;
80 };
81 
82 struct hlist_node {
83 	struct hlist_node *next, **pprev;
84 };
85 
86 #endif /* _TOOLS_LINUX_TYPES_H_ */
87