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metrics.h
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metrics.h
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// Copyright(c) 2018, Intel Corporation
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of Intel Corporation nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
/**
* @file metrics.h
* @brief Functions for Discover/ Enumerates metrics and retrieves values
*
*
*
*
*/
#ifndef __FPGA_METRICS_H__
#define __FPGA_METRICS_H__
#include <opae/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Enumerates number of metrics
*
* @param[in] handle Handle to previously opened fpga resource
* @param[inout] num_metrics Number of metrics are discovered in
* fpga resource
*
* @returns FPGA_OK on success. FPGA_NOT_FOUND if the Metrics are not
* discovered
*
*/
fpga_result fpgaGetNumMetrics(fpga_handle handle,
uint64_t *num_metrics);
/**
* Retrieve metrics information
*
* @param[in] handle Handle to previously opened fpga resource
* @param[inout] metric_info Pointer to array of metric info struct
* user allocates metrics info array
*
* @param[inout] num_metrics Size of metric info array
*
* @returns FPGA_OK on success. FPGA_NOT_FOUND if the Metrics are not
* found. FPGA_NO_MEMORY if there was not enough memory to enumerates
* metrics.
*
*/
fpga_result fpgaGetMetricsInfo(fpga_handle handle,
fpga_metric_info *metric_info,
uint64_t *num_metrics);
/**
* Retrieve metrics values by index
*
* @param[in] handle Handle to previously opened fpga resource
* @param[inout] metric_num Pointer to array of metric index
* user allocates metric array
* @param[inout] num_metric_indexes Size of metric array
* @param[inout] metrics pointer to array of metric struct
*
* @returns FPGA_OK on success. FPGA_NOT_FOUND if the Metrics are not
* found. FPGA_NO_MEMORY if there was not enough memory to enumerates
* metrics.
*
*/
fpga_result fpgaGetMetricsByIndex(fpga_handle handle,
uint64_t *metric_num,
uint64_t num_metric_indexes,
fpga_metric *metrics);
/**
* Retrieve metric values by names
*
* @param[in] handle Handle to previously opened fpga resource
* @param[inout] metrics_names Pointer to array of metrics name
* user allocates metrics name array
* @param[inout] num_metric_names Size of metric name array
* @param[inout] metrics Pointer to array of metric struct
*
* @returns FPGA_OK on success. FPGA_NOT_FOUND if the Metrics are not
* found
*
*/
fpga_result fpgaGetMetricsByName(fpga_handle handle,
char **metrics_names,
uint64_t num_metric_names,
fpga_metric *metrics);
/**
* Retrieve metrics / sendor threshold information and values
*
* @param[in] handle Handle to previously opened fpga resource
* @param[inout] metric_thresholds Pointer to array of metric thresholds
* user allocates threshold array memory
* Number of thresholds returns enumerated thresholds if user pass
* NULL metrics_thresholds
* @param[inout] num_thresholds Number of thresholds
*
*
* @returns FPGA_OK on success. FPGA_NOT_FOUND if the Metrics are not
* found. FPGA_NO_MEMORY if there was not enough memory to enumerates
* metrics.
*
*/
fpga_result fpgaGetMetricsThresholdInfo(fpga_handle handle,
struct metric_threshold *metric_thresholds,
uint32_t *num_thresholds);
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
#endif // __FPGA_METRICS_H__