// SPDX-License-Identifier: GPL-2.0 /* Copyright (C) 2021. Huawei Technologies Co., Ltd */ #include "vmlinux.h" #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> char _license[] SEC("license") = "GPL"; SEC("struct_ops/test_1") int BPF_PROG(test_1, struct bpf_dummy_ops_state *state) { int ret; if (!state) return 0xf2f3f4f5; ret = state->val; state->val = 0x5a; return ret; } __u64 test_2_args[5]; SEC("struct_ops/test_2") int BPF_PROG(test_2, struct bpf_dummy_ops_state *state, int a1, unsigned short a2, char a3, unsigned long a4) { test_2_args[0] = (unsigned long)state; test_2_args[1] = a1; test_2_args[2] = a2; test_2_args[3] = a3; test_2_args[4] = a4; return 0; } SEC("struct_ops.s/test_sleepable") int BPF_PROG(test_sleepable, struct bpf_dummy_ops_state *state) { return 0; } SEC(".struct_ops") struct bpf_dummy_ops dummy_1 = { .test_1 = (void *)test_1, .test_2 = (void *)test_2, .test_sleepable = (void *)test_sleepable, };