tools/testing/selftests/bpf/uptr_test_common.h

   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