arch/ppc/oprofile/op_impl.h

   1 /*
   2  * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
   3  *
   4  * Based on alpha version.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the License, or (at your option) any later version.
  10  */
  11
  12 #ifndef OP_IMPL_H
  13 #define OP_IMPL_H 1
  14
  15 #define OP_MAX_COUNTER 8
  16
  17 /* Per-counter configuration as set via oprofilefs.  */
  18 struct op_counter_config {
  19         unsigned long enabled;
  20         unsigned long event;
  21         unsigned long count;
  22         unsigned long kernel;
  23         unsigned long user;
  24         unsigned long unit_mask;
  25 };
  26
  27 /* System-wide configuration as set via oprofilefs.  */
  28 struct op_system_config {
  29         unsigned long enable_kernel;
  30         unsigned long enable_user;
  31 };
  32
  33 /* Per-arch configuration */
  34 struct op_ppc32_model {
  35         void (*reg_setup) (struct op_counter_config *,
  36                            struct op_system_config *,
  37                            int num_counters);
  38         void (*start) (struct op_counter_config *);
  39         void (*stop) (void);
  40         void (*handle_interrupt) (struct pt_regs *,
  41                                   struct op_counter_config *);
  42         int num_counters;
  43 };
  44
  45 #endif /* OP_IMPL_H */