1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef PERF_UTIL_BPF_FILTER_H
 3#define PERF_UTIL_BPF_FILTER_H
 4
 5#include <linux/list.h>
 6
 7#include "bpf_skel/sample-filter.h"
 8
 9struct perf_bpf_filter_expr {
10	struct list_head list;
11	struct list_head groups;
12	enum perf_bpf_filter_op op;
13	int part;
14	enum perf_bpf_filter_term term;
15	unsigned long val;
16};
17
18struct evsel;
19struct target;
20
21/* path in BPF-fs for the pinned program and maps */
22#define PERF_BPF_FILTER_PIN_PATH  "perf_filter"
23
24#ifdef HAVE_BPF_SKEL
25struct perf_bpf_filter_expr *perf_bpf_filter_expr__new(enum perf_bpf_filter_term term,
26						       int part,
27						       enum perf_bpf_filter_op op,
28						       unsigned long val);
29int perf_bpf_filter__parse(struct list_head *expr_head, const char *str);
30int perf_bpf_filter__prepare(struct evsel *evsel, struct target *target);
31int perf_bpf_filter__destroy(struct evsel *evsel);
32u64 perf_bpf_filter__lost_count(struct evsel *evsel);
33int perf_bpf_filter__pin(void);
34int perf_bpf_filter__unpin(void);
35
36#else /* !HAVE_BPF_SKEL */
37
38static inline int perf_bpf_filter__parse(struct list_head *expr_head __maybe_unused,
39					 const char *str __maybe_unused)
40{
41	return -EOPNOTSUPP;
42}
43static inline int perf_bpf_filter__prepare(struct evsel *evsel __maybe_unused,
44					   struct target *target __maybe_unused)
45{
46	return -EOPNOTSUPP;
47}
48static inline int perf_bpf_filter__destroy(struct evsel *evsel __maybe_unused)
49{
50	return -EOPNOTSUPP;
51}
52static inline u64 perf_bpf_filter__lost_count(struct evsel *evsel __maybe_unused)
53{
54	return 0;
55}
56static inline int perf_bpf_filter__pin(void)
57{
58	return -EOPNOTSUPP;
59}
60static inline int perf_bpf_filter__unpin(void)
61{
62	return -EOPNOTSUPP;
63}
64#endif /* HAVE_BPF_SKEL*/
65#endif /* PERF_UTIL_BPF_FILTER_H */