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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Andi Kleenbd2a6342015-12-01 17:00:58 -08002#ifndef TRACEPOINT_DEFS_H
3#define TRACEPOINT_DEFS_H 1
4
5/*
6 * File can be included directly by headers who only want to access
Vlastimil Babka20f6e032016-03-15 14:55:42 -07007 * tracepoint->key to guard out of line trace calls, or the definition of
8 * trace_print_flags{_u64}. Otherwise linux/tracepoint.h should be used.
Andi Kleenbd2a6342015-12-01 17:00:58 -08009 */
10
11#include <linux/atomic.h>
12#include <linux/static_key.h>
13
Vlastimil Babka20f6e032016-03-15 14:55:42 -070014struct trace_print_flags {
15 unsigned long mask;
16 const char *name;
17};
18
19struct trace_print_flags_u64 {
20 unsigned long long mask;
21 const char *name;
22};
23
Andi Kleenbd2a6342015-12-01 17:00:58 -080024struct tracepoint_func {
25 void *func;
26 void *data;
27 int prio;
28};
29
30struct tracepoint {
31 const char *name; /* Tracepoint name */
32 struct static_key key;
Steven Rostedt (Red Hat)8cf868a2016-11-28 13:03:21 -050033 int (*regfunc)(void);
Andi Kleenbd2a6342015-12-01 17:00:58 -080034 void (*unregfunc)(void);
35 struct tracepoint_func __rcu *funcs;
36};
37
Mathieu Desnoyers9c0be3f2018-10-13 15:10:50 -040038#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
39typedef const int tracepoint_ptr_t;
40#else
41typedef struct tracepoint * const tracepoint_ptr_t;
42#endif
43
Alexei Starovoitovc4f66992018-03-28 12:05:37 -070044struct bpf_raw_event_map {
45 struct tracepoint *tp;
46 void *bpf_func;
47 u32 num_args;
Matt Mullins9df1c282019-04-26 11:49:47 -070048 u32 writable_size;
Alexei Starovoitovc4f66992018-03-28 12:05:37 -070049} __aligned(32);
50
Andi Kleenbd2a6342015-12-01 17:00:58 -080051#endif