1  /* SPDX-License-Identifier: GPL-2.0 */
2  /*
3   * A scheduler that validates that we can invoke sched_ext kfuncs in
4   * BPF_PROG_TYPE_SYSCALL programs.
5   *
6   * Copyright (c) 2024 Meta Platforms, Inc. and affiliates.
7   * Copyright (c) 2024 David Vernet <dvernet@meta.com>
8   */
9  
10  #include <scx/common.bpf.h>
11  
12  UEI_DEFINE(uei);
13  
14  char _license[] SEC("license") = "GPL";
15  
16  SEC("syscall")
BPF_PROG(prog_run_syscall)17  int BPF_PROG(prog_run_syscall)
18  {
19  	scx_bpf_create_dsq(0, -1);
20  	scx_bpf_exit(0xdeadbeef, "Exited from PROG_RUN");
21  	return 0;
22  }
23  
BPF_STRUCT_OPS(prog_run_exit,struct scx_exit_info * ei)24  void BPF_STRUCT_OPS(prog_run_exit, struct scx_exit_info *ei)
25  {
26  	UEI_RECORD(uei, ei);
27  }
28  
29  SEC(".struct_ops.link")
30  struct sched_ext_ops prog_run_ops = {
31  	.exit			= (void *) prog_run_exit,
32  	.name			= "prog_run",
33  };
34