tools/perf/util/config.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PERF_CONFIG_H
   3 #define __PERF_CONFIG_H
   4
   5 #include <stdbool.h>
   6 #include <linux/list.h>
   7
   8 struct perf_config_item {
   9         char *name;
  10         char *value;
  11         bool from_system_config;
  12         struct list_head node;
  13 };
  14
  15 struct perf_config_section {
  16         char *name;
  17         struct list_head items;
  18         bool from_system_config;
  19         struct list_head node;
  20 };
  21
  22 struct perf_config_set {
  23         struct list_head sections;
  24 };
  25
  26 extern const char *config_exclusive_filename;
  27
  28 typedef int (*config_fn_t)(const char *, const char *, void *);
  29
  30 int perf_config_from_file(config_fn_t fn, const char *filename, void *data);
  31 int perf_default_config(const char *, const char *, void *);
  32 int perf_config(config_fn_t fn, void *);
  33 int perf_config_int(int *dest, const char *, const char *);
  34 int perf_config_u8(u8 *dest, const char *name, const char *value);
  35 int perf_config_u64(u64 *dest, const char *, const char *);
  36 int perf_config_bool(const char *, const char *);
  37 int config_error_nonbool(const char *);
  38 const char *perf_etc_perfconfig(void);
  39
  40 struct perf_config_set *perf_config_set__new(void);
  41 void perf_config_set__delete(struct perf_config_set *set);
  42 int perf_config_set__collect(struct perf_config_set *set, const char *file_name,
  43                              const char *var, const char *value);
  44 void perf_config__exit(void);
  45 void perf_config__refresh(void);
  46
  47 /**
  48  * perf_config_sections__for_each - iterate thru all the sections
  49  * @list: list_head instance to iterate
  50  * @section: struct perf_config_section iterator
  51  */
  52 #define perf_config_sections__for_each_entry(list, section)     \
  53         list_for_each_entry(section, list, node)
  54
  55 /**
  56  * perf_config_items__for_each - iterate thru all the items
  57  * @list: list_head instance to iterate
  58  * @item: struct perf_config_item iterator
  59  */
  60 #define perf_config_items__for_each_entry(list, item)   \
  61         list_for_each_entry(item, list, node)
  62
  63 /**
  64  * perf_config_set__for_each - iterate thru all the config section-item pairs
  65  * @set: evlist instance to iterate
  66  * @section: struct perf_config_section iterator
  67  * @item: struct perf_config_item iterator
  68  */
  69 #define perf_config_set__for_each_entry(set, section, item)                     \
  70         perf_config_sections__for_each_entry(&set->sections, section)           \
  71         perf_config_items__for_each_entry(&section->items, item)
  72
  73 #endif /* __PERF_CONFIG_H */