Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid

[deliverable/linux.git] / tools / lib / bpf / libbpf.h

diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 148df3640ba0f6b99eec0ba283db7920a70a10b2..dd7a513efb10e6337d962fa50f554ad73831ba67 100644 (file)
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -4,6 +4,19 @@
  * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org>
  * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com>
  * Copyright (C) 2015 Huawei Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License (not later!)
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not,  see <http://www.gnu.org/licenses>
  */
 #ifndef __BPF_LIBBPF_H
 #define __BPF_LIBBPF_H
@@ -26,6 +39,7 @@ enum libbpf_errno {
        LIBBPF_ERRNO__VERIFY,   /* Kernel verifier blocks program loading */
        LIBBPF_ERRNO__PROG2BIG, /* Program too big */
        LIBBPF_ERRNO__KVER,     /* Incorrect kernel version */
+       LIBBPF_ERRNO__PROGTYPE, /* Kernel doesn't support this program type */
        __LIBBPF_ERRNO__END,
 };
 
@@ -151,6 +165,15 @@ int bpf_program__set_prep(struct bpf_program *prog, int nr_instance,
 
 int bpf_program__nth_fd(struct bpf_program *prog, int n);
 
+/*
+ * Adjust type of bpf program. Default is kprobe.
+ */
+int bpf_program__set_tracepoint(struct bpf_program *prog);
+int bpf_program__set_kprobe(struct bpf_program *prog);
+
+bool bpf_program__is_tracepoint(struct bpf_program *prog);
+bool bpf_program__is_kprobe(struct bpf_program *prog);
+
 /*
  * We don't need __attribute__((packed)) now since it is
  * unnecessary for 'bpf_map_def' because they are all aligned.