LXR linux/tools/testing/selftests/powerpc/pmu/lib.h

   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 bind_to_cpu(int cpu);
  23extern int kill_child_and_wait(pid_t child_pid);
  24extern int wait_for_child(pid_t child_pid);
  25extern int sync_with_child(union pipe read_pipe, union pipe write_pipe);
  26extern int wait_for_parent(union pipe read_pipe);
  27extern int notify_parent(union pipe write_pipe);
  28extern int notify_parent_of_error(union pipe write_pipe);
  29extern pid_t eat_cpu(int (test_function)(void));
  30extern bool require_paranoia_below(int level);
  31
  32struct addr_range {
  33        uint64_t first, last;
  34};
  35
  36extern struct addr_range libc, vdso;
  37
  38int parse_proc_maps(void);
  39
  40#endif /* __SELFTESTS_POWERPC_PMU_LIB_H */
  41