1/*
2 * Copyright 2014, Michael Ellerman, IBM Corp.
3 * Licensed under GPLv2.
4 */
5
6#ifndef __SELFTESTS_POWERPC_PMU_LIB_H
7#define __SELFTESTS_POWERPC_PMU_LIB_H
8
9#include <stdio.h>
10#include <stdint.h>
11#include <string.h>
12#include <unistd.h>
13
14union pipe {
15	struct {
16		int read_fd;
17		int write_fd;
18	};
19	int fds[2];
20};
21
22extern int pick_online_cpu(void);
23extern int bind_to_cpu(int cpu);
24extern int kill_child_and_wait(pid_t child_pid);
25extern int wait_for_child(pid_t child_pid);
26extern int sync_with_child(union pipe read_pipe, union pipe write_pipe);
27extern int wait_for_parent(union pipe read_pipe);
28extern int notify_parent(union pipe write_pipe);
29extern int notify_parent_of_error(union pipe write_pipe);
30extern pid_t eat_cpu(int (test_function)(void));
31extern bool require_paranoia_below(int level);
32
33struct addr_range {
34	uint64_t first, last;
35};
36
37extern struct addr_range libc, vdso;
38
39int parse_proc_maps(void);
40
41#endif /* __SELFTESTS_POWERPC_PMU_LIB_H */
42