xref: /OK3568_Linux_fs/kernel/tools/testing/selftests/powerpc/pmu/lib.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright 2014, Michael Ellerman, IBM Corp.
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef __SELFTESTS_POWERPC_PMU_LIB_H
7*4882a593Smuzhiyun #define __SELFTESTS_POWERPC_PMU_LIB_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <stdbool.h>
10*4882a593Smuzhiyun #include <stdio.h>
11*4882a593Smuzhiyun #include <stdint.h>
12*4882a593Smuzhiyun #include <string.h>
13*4882a593Smuzhiyun #include <unistd.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun union pipe {
16*4882a593Smuzhiyun 	struct {
17*4882a593Smuzhiyun 		int read_fd;
18*4882a593Smuzhiyun 		int write_fd;
19*4882a593Smuzhiyun 	};
20*4882a593Smuzhiyun 	int fds[2];
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun extern int bind_to_cpu(int cpu);
24*4882a593Smuzhiyun extern int kill_child_and_wait(pid_t child_pid);
25*4882a593Smuzhiyun extern int wait_for_child(pid_t child_pid);
26*4882a593Smuzhiyun extern int sync_with_child(union pipe read_pipe, union pipe write_pipe);
27*4882a593Smuzhiyun extern int wait_for_parent(union pipe read_pipe);
28*4882a593Smuzhiyun extern int notify_parent(union pipe write_pipe);
29*4882a593Smuzhiyun extern int notify_parent_of_error(union pipe write_pipe);
30*4882a593Smuzhiyun extern pid_t eat_cpu(int (test_function)(void));
31*4882a593Smuzhiyun extern bool require_paranoia_below(int level);
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun struct addr_range {
34*4882a593Smuzhiyun 	uint64_t first, last;
35*4882a593Smuzhiyun };
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun extern struct addr_range libc, vdso;
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun int parse_proc_maps(void);
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun #endif /* __SELFTESTS_POWERPC_PMU_LIB_H */
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