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_scan(const char *name, const char *fmt, ...) __scanf(2, 3);
33 int perf_config_set(struct perf_config_set *set,
34 config_fn_t fn, void *data);
35 int perf_config_int(int *dest, const char *, const char *);
36 int perf_config_u8(u8 *dest, const char *name, const char *value);
37 int perf_config_u64(u64 *dest, const char *, const char *);
38 int perf_config_bool(const char *, const char *);
39 int config_error_nonbool(const char *);
40 const char *perf_etc_perfconfig(void);
41 const char *perf_home_perfconfig(void);
42 int perf_config_system(void);
43 int perf_config_global(void);
44
45 struct perf_config_set *perf_config_set__new(void);
46 struct perf_config_set *perf_config_set__load_file(const char *file);
47 void perf_config_set__delete(struct perf_config_set *set);
48 int perf_config_set__collect(struct perf_config_set *set, const char *file_name,
49 const char *var, const char *value);
50 void perf_config__exit(void);
51 void 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(§ion->items, item)
78
79 #endif /* __PERF_CONFIG_H */
80
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