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/*
* Copyright (c) 2022 Arm Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef PLATFORM_PMU_INTERFACE_H
#define PLATFORM_PMU_INTERFACE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdbool.h>
#define NUM_PMU_COUNTERS (10) /**< Maximum number of available counters. */
/**
* @brief Container for a single unit for a PMU counter.
*/
typedef struct _pmu_counter_unit {
uint64_t value; /**< Value of the counter expressed as 64 bits unsigned integer. */
const char* name; /**< Name for the counter. */
const char* unit; /**< Unit that the counter value represents (like cycles, beats, or milliseconds). */
} pmu_counter_unit;
/**
* @brief Container for a an array of counters
*/
typedef struct _pmu_counters {
pmu_counter_unit counters[NUM_PMU_COUNTERS]; /**< Counter array. */
uint32_t num_counters; /**< Number of valid counters. */
bool initialised; /**< Initialised or not. */
} pmu_counters;
/**
* @brief Resets the counters.
*/
void platform_reset_counters(void);
/**
* @brief Gets the current counter values.
* @param[out] Pointer to a pmu_counters object.
**/
void platform_get_counters(pmu_counters* counters);
#ifdef __cplusplus
}
#endif
#endif /* PLATFORM_PMU_INTERFACE_H */
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