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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/occ_405/amec/amec_dps.h $ */
/* */
/* OpenPOWER OnChipController Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2011,2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* 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. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef _AMEC_DPS_H
#define _AMEC_DPS_H
/*----------------------------------------------------------------------------*/
/* Includes */
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
/* Constants */
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
/* Globals */
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
/* Defines */
/*----------------------------------------------------------------------------*/
#define TWO_TO_THE_POWER_OF_FIFTEEN 32768
/*----------------------------------------------------------------------------*/
/* Typedef / Enum */
/*----------------------------------------------------------------------------*/
///DPS Algorithm Model
typedef struct amec_dps
{
///Frequency request for core voting box
uint16_t freq_request;
///Utilization speed request
uint16_t util_speed_request;
///Utilization threshold for moving down in frequency (low side)
uint16_t tlutil;
///Step size for going up in speed
uint16_t step_up;
///Step size for going down in speed
uint16_t step_down;
///Number of utilization samples in sliding window
uint16_t sample_count_util;
///Epsilon used for determining if a core is active (units of 0.01%)
uint16_t epsilon_perc;
///Threshold for going up in frequency
uint16_t alpha_up;
///Threshold for going down in frequency
uint16_t alpha_down;
///8-bit mask for dynamic power save type (=0:none active)
uint8_t type;
}amec_dps_t;
/*----------------------------------------------------------------------------*/
/* Function Prototypes */
/*----------------------------------------------------------------------------*/
/**
* Update per-core utilization variables.
*
* This function updates all the per-core utilization variables. These
* variables are used to populate the slack sensors.
*
*/
void amec_dps_update_core_util(void);
/**
* Update utilization sensors for a core group.
*
* This function updates the utilization (slack) sensors for a
* given core group.
*
*/
void amec_dps_partition_update_sensors(const uint16_t i_part_id);
/**
* DPS algorithm function.
*
* This function implements the different DPS algorithms for a
* given core group.
*
*/
void amec_dps_partition_alg(const uint16_t i_part_id);
/**
* Main DPS function.
*
* This function is the entry-point for running DPS algorithms
* and is aware of the different core groups defined.
*
*/
void amec_dps_main(void);
#endif /* #ifndef _AMEC_DPS_H */
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