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a94b3d14aa
Changes included (and more): 1. Dynamic RAM merge 2. Real-time page scan and allocation 3. Cache compression 4. Real-time IRQ checks 5. Dynamic I/O allocation for Java heap 6. Java page migration 7. Contiguous memory allocation 8. Idle pages tracking 9. Per CPU RAM usage tracking 10. ARM NEON scalar multiplication library 11. NEON/ARMv8 crypto extensions 12. NEON SHA, Blake, RIPEMD crypto extensions 13. Parallel NEON crypto engine for multi-algo based CPU stress reduction
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2021 Intel Corporation */
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#include <linux/mutex.h>
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#include <linux/types.h>
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#ifndef __PECI_HWMON_COMMON_H
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#define __PECI_HWMON_COMMON_H
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#define PECI_HWMON_UPDATE_INTERVAL HZ
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/**
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* struct peci_sensor_state - PECI state information
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* @valid: flag to indicate the sensor value is valid
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* @last_updated: time of the last update in jiffies
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* @lock: mutex to protect sensor access
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*/
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struct peci_sensor_state {
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bool valid;
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unsigned long last_updated;
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struct mutex lock; /* protect sensor access */
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};
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/**
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* struct peci_sensor_data - PECI sensor information
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* @value: sensor value in milli units
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* @state: sensor update state
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*/
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struct peci_sensor_data {
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s32 value;
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struct peci_sensor_state state;
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};
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/**
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* peci_sensor_need_update() - check whether sensor update is needed or not
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* @sensor: pointer to sensor data struct
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*
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* Return: true if update is needed, false if not.
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*/
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static inline bool peci_sensor_need_update(struct peci_sensor_state *state)
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{
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return !state->valid ||
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time_after(jiffies, state->last_updated + PECI_HWMON_UPDATE_INTERVAL);
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}
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/**
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* peci_sensor_mark_updated() - mark the sensor is updated
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* @sensor: pointer to sensor data struct
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*/
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static inline void peci_sensor_mark_updated(struct peci_sensor_state *state)
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{
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state->valid = true;
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state->last_updated = jiffies;
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}
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#endif /* __PECI_HWMON_COMMON_H */
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