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/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
*
* counter/config.h
*
* LTTng Counters Configuration
*
* Copyright (C) 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
#ifndef _LTTNG_COUNTER_CONFIG_H
#define _LTTNG_COUNTER_CONFIG_H
#include <linux/types.h>
#include <linux/percpu.h>
enum lib_counter_config_alloc {
COUNTER_ALLOC_PER_CPU = (1 << 0),
COUNTER_ALLOC_PER_CHANNEL = (1 << 1),
};
enum lib_counter_config_sync {
COUNTER_SYNC_PER_CPU,
COUNTER_SYNC_PER_CHANNEL,
};
struct lib_counter_config {
u32 alloc; /* enum lib_counter_config_alloc flags */
enum lib_counter_config_sync sync;
enum {
COUNTER_ARITHMETIC_MODULAR,
COUNTER_ARITHMETIC_SATURATE, /* TODO */
} arithmetic;
enum {
COUNTER_SIZE_8_BIT = 1,
COUNTER_SIZE_16_BIT = 2,
COUNTER_SIZE_32_BIT = 4,
COUNTER_SIZE_64_BIT = 8,
} counter_size;
};
#endif /* _LTTNG_COUNTER_CONFIG_H */
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