/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) */
#ifndef _LTTNG_TRACER_H
#define _LTTNG_TRACER_H

/*
 * lttng-tracer.h
 *
 * This contains the definitions for the Linux Trace Toolkit Next
 * Generation tracer.
 *
 * Copyright (C) 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#include <stdarg.h>
#include <linux/types.h>
#include <linux/limits.h>
#include <linux/list.h>
#include <linux/cache.h>
#include <linux/timex.h>
#include <linux/wait.h>
#include <asm/atomic.h>
#include <asm/local.h>

#include <wrapper/trace-clock.h>
#include <wrapper/compiler.h>
#include <wrapper/vmalloc.h>
#include <lttng-tracer-core.h>
#include <lttng-events.h>

#define LTTNG_MODULES_MAJOR_VERSION 2
#define LTTNG_MODULES_MINOR_VERSION 11
#define LTTNG_MODULES_PATCHLEVEL_VERSION 6
#define LTTNG_MODULES_EXTRAVERSION ""

#define LTTNG_VERSION_NAME		"Lafontaine"
#define LTTNG_VERSION_DESCRIPTION	"A modern Saison beer from Montréal's Oshlag microbrewery, Lafontaine is a refreshing, zesty, rice beer with hints of fruit and spices."

#ifndef CHAR_BIT
#define CHAR_BIT 8
#endif

/* Number of bytes to log with a read/write event */
#define LTTNG_LOG_RW_SIZE		32L
#define LTTNG_MAX_SMALL_SIZE		0xFFFFU

#ifdef RING_BUFFER_ALIGN
#define lttng_alignof(type)	__alignof__(type)
#else
#define lttng_alignof(type)	1
#endif

/* Tracer properties */
#define CTF_MAGIC_NUMBER		0xC1FC1FC1
#define TSDL_MAGIC_NUMBER		0x75D11D57

/* CTF specification version followed */
#define CTF_SPEC_MAJOR			1
#define CTF_SPEC_MINOR			8

/*
 * Number of milliseconds to retry before failing metadata writes on buffer full
 * condition. (10 seconds)
 */
#define LTTNG_METADATA_TIMEOUT_MSEC	10000

#define LTTNG_RFLAG_EXTENDED		RING_BUFFER_RFLAG_END
#define LTTNG_RFLAG_END			(LTTNG_RFLAG_EXTENDED << 1)

#endif /* _LTTNG_TRACER_H */