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_scan(const char *name, const char *fmt, ...) __scanf(2, 3);
33int perf_config_set(struct perf_config_set *set,
34		    config_fn_t fn, void *data);
35int perf_config_int(int *dest, const char *, const char *);
36int perf_config_u8(u8 *dest, const char *name, const char *value);
37int perf_config_u64(u64 *dest, const char *, const char *);
38int perf_config_bool(const char *, const char *);
39int config_error_nonbool(const char *);
40const char *perf_etc_perfconfig(void);
41const char *perf_home_perfconfig(void);
42int perf_config_system(void);
43int perf_config_global(void);
44
45struct perf_config_set *perf_config_set__new(void);
46struct perf_config_set *perf_config_set__load_file(const char *file);
47void perf_config_set__delete(struct perf_config_set *set);
48int perf_config_set__collect(struct perf_config_set *set, const char *file_name,
49			     const char *var, const char *value);
50void perf_config__exit(void);
51void perf_config__refresh(void);
52
53/**
54 * perf_config_sections__for_each - iterate thru all the sections
55 * @list: list_head instance to iterate
56 * @section: struct perf_config_section iterator
57 */
58#define perf_config_sections__for_each_entry(list, section)	\
59        list_for_each_entry(section, list, node)
60
61/**
62 * perf_config_items__for_each - iterate thru all the items
63 * @list: list_head instance to iterate
64 * @item: struct perf_config_item iterator
65 */
66#define perf_config_items__for_each_entry(list, item)	\
67        list_for_each_entry(item, list, node)
68
69/**
70 * perf_config_set__for_each - iterate thru all the config section-item pairs
71 * @set: evlist instance to iterate
72 * @section: struct perf_config_section iterator
73 * @item: struct perf_config_item iterator
74 */
75#define perf_config_set__for_each_entry(set, section, item)			\
76	perf_config_sections__for_each_entry(&set->sections, section)		\
77	perf_config_items__for_each_entry(&section->items, item)
78
79#endif /* __PERF_CONFIG_H */
80