/* SPDX-License-Identifier: GPL-2.0-only */ /* Copyright (c) 2021 Intel Corporation */ #include <linux/types.h> #ifndef __PECI_HWMON_COMMON_H #define __PECI_HWMON_COMMON_H #define PECI_HWMON_UPDATE_INTERVAL HZ /** * struct peci_sensor_state - PECI state information * @valid: flag to indicate the sensor value is valid * @last_updated: time of the last update in jiffies */ struct peci_sensor_state { bool valid; unsigned long last_updated; }; /** * struct peci_sensor_data - PECI sensor information * @value: sensor value in milli units * @state: sensor update state */ struct peci_sensor_data { s32 value; struct peci_sensor_state state; }; /** * 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_state *state) { return !state->valid || time_after(jiffies, state->last_updated + PECI_HWMON_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_state *state) { state->valid = true; state->last_updated = jiffies; } #endif /* __PECI_HWMON_COMMON_H */