swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: a1b8638ba1320e6684aa98233c15255eb803fac7 authored by Linus Torvalds on 27 September 2020, 21:38:10 UTC
Linux 5.9-rc7
Tip revision: a1b8638
tracepoint-defs.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef TRACEPOINT_DEFS_H
#define TRACEPOINT_DEFS_H 1

/*
 * File can be included directly by headers who only want to access
 * tracepoint->key to guard out of line trace calls, or the definition of
 * trace_print_flags{_u64}. Otherwise linux/tracepoint.h should be used.
 */

#include <linux/atomic.h>
#include <linux/static_key.h>

struct trace_print_flags {
	unsigned long		mask;
	const char		*name;
};

struct trace_print_flags_u64 {
	unsigned long long	mask;
	const char		*name;
};

struct tracepoint_func {
	void *func;
	void *data;
	int prio;
};

struct tracepoint {
	const char *name;		/* Tracepoint name */
	struct static_key key;
	int (*regfunc)(void);
	void (*unregfunc)(void);
	struct tracepoint_func __rcu *funcs;
};

#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
typedef const int tracepoint_ptr_t;
#else
typedef struct tracepoint * const tracepoint_ptr_t;
#endif

struct bpf_raw_event_map {
	struct tracepoint	*tp;
	void			*bpf_func;
	u32			num_args;
	u32			writable_size;
} __aligned(32);

#endif
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