[mirror_ubuntu-jammy-kernel.git] / include / linux / 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
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
bd2a634d AK	2	#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
20f6e03a VB	7	* tracepoint->key to guard out of line trace calls, or the definition of
20f6e03a VB	8	* trace_print_flags{_u64}. Otherwise linux/tracepoint.h should be used.
bd2a634d AK	9	*/
	10
	11	#include <linux/atomic.h>
	12	#include <linux/static_key.h>
	13
20f6e03a VB	14	struct trace_print_flags {
	15	unsigned long mask;
	16	const char *name;
	17	};
	18
	19	struct trace_print_flags_u64 {
	20	unsigned long long mask;
	21	const char *name;
	22	};
	23
bd2a634d AK	24	struct tracepoint_func {
	25	void *func;
	26	void *data;
	27	int prio;
	28	};
	29
	30	struct tracepoint {
	31	const char name; / Tracepoint name */
	32	struct static_key key;
8cf868af	33	int (*regfunc)(void);
bd2a634d AK	34	void (*unregfunc)(void);
	35	struct tracepoint_func __rcu *funcs;
	36	};
	37
9c0be3f6 MD	38	#ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
	39	typedef const int tracepoint_ptr_t;
	40	#else
	41	typedef struct tracepoint * const tracepoint_ptr_t;
	42	#endif
	43
c4f6699d AS	44	struct bpf_raw_event_map {
	45	struct tracepoint *tp;
	46	void *bpf_func;
	47	u32 num_args;
9df1c28b	48	u32 writable_size;
c4f6699d AS	49	} __aligned(32);
c4f6699d AS	50
bd2a634d	51	#endif