1 files changed, 65 insertions, 0 deletions
diff --git a/tools/perf/util/bpf-filter.h b/tools/perf/util/bpf-filter.h
new file mode 100644
index 000000000000..916ed7770b73
--- /dev/null
+++ b/tools/perf/util/bpf-filter.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef PERF_UTIL_BPF_FILTER_H
+#define PERF_UTIL_BPF_FILTER_H
+
+#include <linux/list.h>
+
+#include "bpf_skel/sample-filter.h"
+
+struct perf_bpf_filter_expr {
+	struct list_head list;
+	struct list_head groups;
+	enum perf_bpf_filter_op op;
+	int part;
+	enum perf_bpf_filter_term term;
+	unsigned long val;
+};
+
+struct evsel;
+struct target;
+
+/* path in BPF-fs for the pinned program and maps */
+#define PERF_BPF_FILTER_PIN_PATH  "perf_filter"
+
+#ifdef HAVE_BPF_SKEL
+struct perf_bpf_filter_expr *perf_bpf_filter_expr__new(enum perf_bpf_filter_term term,
+						       int part,
+						       enum perf_bpf_filter_op op,
+						       unsigned long val);
+int perf_bpf_filter__parse(struct list_head *expr_head, const char *str);
+int perf_bpf_filter__prepare(struct evsel *evsel, struct target *target);
+int perf_bpf_filter__destroy(struct evsel *evsel);
+u64 perf_bpf_filter__lost_count(struct evsel *evsel);
+int perf_bpf_filter__pin(void);
+int perf_bpf_filter__unpin(void);
+
+#else /* !HAVE_BPF_SKEL */
+
+static inline int perf_bpf_filter__parse(struct list_head *expr_head __maybe_unused,
+					 const char *str __maybe_unused)
+{
+	return -EOPNOTSUPP;
+}
+static inline int perf_bpf_filter__prepare(struct evsel *evsel __maybe_unused,
+					   struct target *target __maybe_unused)
+{
+	return -EOPNOTSUPP;
+}
+static inline int perf_bpf_filter__destroy(struct evsel *evsel __maybe_unused)
+{
+	return -EOPNOTSUPP;
+}
+static inline u64 perf_bpf_filter__lost_count(struct evsel *evsel __maybe_unused)
+{
+	return 0;
+}
+static inline int perf_bpf_filter__pin(void)
+{
+	return -EOPNOTSUPP;
+}
+static inline int perf_bpf_filter__unpin(void)
+{
+	return -EOPNOTSUPP;
+}
+#endif /* HAVE_BPF_SKEL*/
+#endif /* PERF_UTIL_BPF_FILTER_H */