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
 8struct perf_config_item {
 9	char *name;
10	char *value;
11	bool from_system_config;
12	struct list_head node;
13};
14
15struct perf_config_section {
16	char *name;
17	struct list_head items;
18	bool from_system_config;
19	struct list_head node;
20};
21
22struct perf_config_set {
23	struct list_head sections;
24};
25
26extern const char *config_exclusive_filename;
27
28typedef int (*config_fn_t)(const char *, const char *, void *);
29
30int perf_default_config(const char *, const char *, void *);
31int perf_config(config_fn_t fn, void *);
32int perf_config_set(struct perf_config_set *set,
33		    config_fn_t fn, void *data);
34int perf_config_int(int *dest, const char *, const char *);
35int perf_config_u8(u8 *dest, const char *name, const char *value);
36int perf_config_u64(u64 *dest, const char *, const char *);
37int perf_config_bool(const char *, const char *);
38int config_error_nonbool(const char *);
39const char *perf_etc_perfconfig(void);
40const char *perf_home_perfconfig(void);
41int perf_config_system(void);
42int perf_config_global(void);
43
44struct perf_config_set *perf_config_set__new(void);
45struct perf_config_set *perf_config_set__load_file(const char *file);
46void perf_config_set__delete(struct perf_config_set *set);
47int perf_config_set__collect(struct perf_config_set *set, const char *file_name,
48			     const char *var, const char *value);
49void perf_config__exit(void);
50void perf_config__refresh(void);
51
52/**
53 * perf_config_sections__for_each - iterate thru all the sections
54 * @list: list_head instance to iterate
55 * @section: struct perf_config_section iterator
56 */
57#define perf_config_sections__for_each_entry(list, section)	\
58        list_for_each_entry(section, list, node)
59
60/**
61 * perf_config_items__for_each - iterate thru all the items
62 * @list: list_head instance to iterate
63 * @item: struct perf_config_item iterator
64 */
65#define perf_config_items__for_each_entry(list, item)	\
66        list_for_each_entry(item, list, node)
67
68/**
69 * perf_config_set__for_each - iterate thru all the config section-item pairs
70 * @set: evlist instance to iterate
71 * @section: struct perf_config_section iterator
72 * @item: struct perf_config_item iterator
73 */
74#define perf_config_set__for_each_entry(set, section, item)			\
75	perf_config_sections__for_each_entry(&set->sections, section)		\
76	perf_config_items__for_each_entry(&section->items, item)
77
78#endif /* __PERF_CONFIG_H */