xref: /linux/tools/testing/selftests/bpf/uptr_test_common.h (revision 79d2e1919a2728ef49d938eb20ebd5903c14dfb0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
3 
4 #ifndef _UPTR_TEST_COMMON_H
5 #define _UPTR_TEST_COMMON_H
6 
7 #define MAGIC_VALUE 0xabcd1234
8 #define PAGE_SIZE 4096
9 
10 #ifdef __BPF__
11 /* Avoid fwd btf type being generated for the following struct */
12 struct large_data *dummy_large_data;
13 struct empty_data *dummy_empty_data;
14 struct user_data *dummy_data;
15 struct cgroup *dummy_cgrp;
16 #else
17 #define __uptr
18 #define __kptr
19 #endif
20 
21 struct user_data {
22 	int a;
23 	int b;
24 	int result;
25 	int nested_result;
26 };
27 
28 struct nested_udata {
29 	struct user_data __uptr *udata;
30 };
31 
32 struct value_type {
33 	struct user_data __uptr *udata;
34 	struct cgroup __kptr *cgrp;
35 	struct nested_udata nested;
36 };
37 
38 struct value_lock_type {
39 	struct user_data __uptr *udata;
40 	struct bpf_spin_lock lock;
41 };
42 
43 struct large_data {
44 	__u8 one_page[PAGE_SIZE];
45 	int a;
46 };
47 
48 struct large_uptr {
49 	struct large_data __uptr *udata;
50 };
51 
52 struct empty_data {
53 };
54 
55 struct empty_uptr {
56 	struct empty_data __uptr *udata;
57 };
58 
59 struct kstruct_uptr {
60 	struct cgroup __uptr *cgrp;
61 };
62 
63 #endif
64