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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018-2019 Intel Corporation */
#ifndef __PECI_HWMON_H
#define __PECI_HWMON_H
#include <linux/peci.h>
#define TEMP_TYPE_PECI 6 /* Sensor type 6: Intel PECI */
#define UPDATE_INTERVAL HZ
#define PECI_HWMON_LABEL_STR_LEN 10
/**
* struct peci_sensor_data - PECI sensor information
* @valid: flag to indicate the sensor value is valid
* @value: sensor value in millidegree Celsius
* @last_updated: time of the last update in jiffies
*/
struct peci_sensor_data {
uint valid;
s32 value;
ulong last_updated;
};
/**
* peci_sensor_need_update - check whether sensor update is needed or not
* @sensor: pointer to sensor data struct
*
* Return: true if update is needed, false if not.
*/
static inline bool peci_sensor_need_update(struct peci_sensor_data *sensor)
{
return !sensor->valid ||
time_after(jiffies, sensor->last_updated + UPDATE_INTERVAL);
}
/**
* peci_sensor_mark_updated - mark the sensor is updated
* @sensor: pointer to sensor data struct
*/
static inline void peci_sensor_mark_updated(struct peci_sensor_data *sensor)
{
sensor->valid = 1;
sensor->last_updated = jiffies;
}
#endif /* __PECI_HWMON_H */
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