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
  14 union pipe {
  15         struct {
  16                 int read_fd;
  17                 int write_fd;
  18         };
  19         int fds[2];
  20 };
  21
  22 extern int pick_online_cpu(void);
  23 extern int bind_to_cpu(int cpu);
  24 extern int kill_child_and_wait(pid_t child_pid);
  25 extern int wait_for_child(pid_t child_pid);
  26 extern int sync_with_child(union pipe read_pipe, union pipe write_pipe);
  27 extern int wait_for_parent(union pipe read_pipe);
  28 extern int notify_parent(union pipe write_pipe);
  29 extern int notify_parent_of_error(union pipe write_pipe);
  30 extern pid_t eat_cpu(int (test_function)(void));
  31 extern bool require_paranoia_below(int level);
  32
  33 struct addr_range {
  34         uint64_t first, last;
  35 };
  36
  37 extern struct addr_range libc, vdso;
  38
  39 int parse_proc_maps(void);
  40
  41 #endif /* __SELFTESTS_POWERPC_PMU_LIB_H */