#ifndef __PMU_H
  #define __PMU_H

  #include <linux/bitmap.h>

  #include <linux/perf_event.h>

  #include <stdbool.h>

  #include "evsel.h"

  #include "parse-events.h"

  
  enum {
  	PERF_PMU_FORMAT_VALUE_CONFIG,
  	PERF_PMU_FORMAT_VALUE_CONFIG1,
  	PERF_PMU_FORMAT_VALUE_CONFIG2,
  };
  
  #define PERF_PMU_FORMAT_BITS 64

  struct perf_event_attr;

  struct perf_pmu {
  	char *name;
  	__u32 type;

  	bool selectable;

  	struct perf_event_attr *default_config;

  	struct cpu_map *cpus;

  	struct list_head format;  /* HEAD struct perf_pmu_format -> list */
  	struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
  	struct list_head list;    /* ELEM */

  	int (*set_drv_config)	(struct perf_evsel_config_term *term);

  };

  struct perf_pmu_info {
  	const char *unit;

  	const char *metric_expr;

  	const char *metric_name;

  	double scale;

  	bool per_pkg;

  	bool snapshot;

  };

  #define UNIT_MAX_LEN	31 /* max length for event unit name */
  
  struct perf_pmu_alias {
  	char *name;

  	char *desc;

  	char *long_desc;

  	char *topic;

  	char *str;

  	struct list_head terms; /* HEAD struct parse_events_term -> list */
  	struct list_head list;  /* ELEM */
  	char unit[UNIT_MAX_LEN+1];
  	double scale;

  	bool per_pkg;

  	bool snapshot;

  	char *metric_expr;

  	char *metric_name;

  };

  struct perf_pmu *perf_pmu__find(const char *name);

  int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,

  		     struct list_head *head_terms,
  		     struct parse_events_error *error);

  int perf_pmu__config_terms(struct list_head *formats,
  			   struct perf_event_attr *attr,

  			   struct list_head *head_terms,

  			   bool zero, struct parse_events_error *error);

  __u64 perf_pmu__format_bits(struct list_head *formats, const char *name);

  int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,

  			  struct perf_pmu_info *info);

  struct list_head *perf_pmu__alias(struct perf_pmu *pmu,

  				  struct list_head *head_terms);

  int perf_pmu_wrap(void);
  void perf_pmu_error(struct list_head *list, char *name, char const *msg);
  
  int perf_pmu__new_format(struct list_head *list, char *name,
  			 int config, unsigned long *bits);
  void perf_pmu__set_format(unsigned long *bits, long from, long to);

  int perf_pmu__format_parse(char *dir, struct list_head *head);

  struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);

  void print_pmu_events(const char *event_glob, bool name_only, bool quiet,

  		      bool long_desc, bool details_flag);

  bool pmu_have_event(const char *pname, const char *name);

  int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt,
  			...) __attribute__((format(scanf, 3, 4)));

  int perf_pmu__test(void);

  
  struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);

  #endif /* __PMU_H */