1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright 2014, Michael Ellerman, IBM Corp.
4 */
5
6 #ifndef __SELFTESTS_POWERPC_PMU_LIB_H
7 #define __SELFTESTS_POWERPC_PMU_LIB_H
8
9 #include <stdbool.h>
10 #include <stdio.h>
11 #include <stdint.h>
12 #include <string.h>
13 #include <unistd.h>
14
15 union pipe {
16 struct {
17 int read_fd;
18 int write_fd;
19 };
20 int fds[2];
21 };
22
23 extern int kill_child_and_wait(pid_t child_pid);
24 extern int wait_for_child(pid_t child_pid);
25 extern int sync_with_child(union pipe read_pipe, union pipe write_pipe);
26 extern int wait_for_parent(union pipe read_pipe);
27 extern int notify_parent(union pipe write_pipe);
28 extern int notify_parent_of_error(union pipe write_pipe);
29 extern pid_t eat_cpu(int (test_function)(void));
30 extern bool require_paranoia_below(int level);
31
32 struct addr_range {
33 uint64_t first, last;
34 };
35
36 extern struct addr_range libc, vdso;
37
38 int parse_proc_maps(void);
39
40 #endif /* __SELFTESTS_POWERPC_PMU_LIB_H */
41
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