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_default_config(const char *, const char *, void *);
31 int perf_config(config_fn_t fn, void *);
32 int perf_config_set(struct perf_config_set *set,
33 		    config_fn_t fn, void *data);
34 int perf_config_int(int *dest, const char *, const char *);
35 int perf_config_u8(u8 *dest, const char *name, const char *value);
36 int perf_config_u64(u64 *dest, const char *, const char *);
37 int perf_config_bool(const char *, const char *);
38 int config_error_nonbool(const char *);
39 const char *perf_etc_perfconfig(void);
40 const char *perf_home_perfconfig(void);
41 int perf_config_system(void);
42 int perf_config_global(void);
43 
44 struct perf_config_set *perf_config_set__new(void);
45 struct perf_config_set *perf_config_set__load_file(const char *file);
46 void perf_config_set__delete(struct perf_config_set *set);
47 int perf_config_set__collect(struct perf_config_set *set, const char *file_name,
48 			     const char *var, const char *value);
49 void perf_config__exit(void);
50 void 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 */
79