Resguardo inicial

linux-7.2.3/tools/testing/selftests/bpf/uptr_test_common.h

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+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
+
+#ifndef _UPTR_TEST_COMMON_H
+#define _UPTR_TEST_COMMON_H
+
+#define MAGIC_VALUE 0xabcd1234
+#define PAGE_SIZE 4096
+
+#ifdef __BPF__
+/* Avoid fwd btf type being generated for the following struct */
+struct large_data *dummy_large_data;
+struct empty_data *dummy_empty_data;
+struct user_data *dummy_data;
+struct cgroup *dummy_cgrp;
+#else
+#define __uptr
+#define __kptr
+#endif
+
+struct user_data {
+	int a;
+	int b;
+	int result;
+	int nested_result;
+};
+
+struct nested_udata {
+	struct user_data __uptr *udata;
+};
+
+struct value_type {
+	struct user_data __uptr *udata;
+	struct cgroup __kptr *cgrp;
+	struct nested_udata nested;
+};
+
+struct value_lock_type {
+	struct user_data __uptr *udata;
+	struct bpf_spin_lock lock;
+};
+
+struct large_data {
+	__u8 one_page[PAGE_SIZE];
+	int a;
+};
+
+struct large_uptr {
+	struct large_data __uptr *udata;
+};
+
+struct empty_data {
+};
+
+struct empty_uptr {
+	struct empty_data __uptr *udata;
+};
+
+struct kstruct_uptr {
+	struct cgroup __uptr *cgrp;
+};
+
+#endif