linux/drivers/crypto/intel/qat/qat_common/adf_heartbeat.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright(c) 2023 Intel Corporation */

#ifndef ADF_HEARTBEAT_H_
#define ADF_HEARTBEAT_H_

#include <linux/types.h>

struct adf_accel_dev;
struct dentry;

#define ADF_CFG_HB_TIMER_MIN_MS …
#define ADF_CFG_HB_TIMER_DEFAULT_MS …
#define ADF_CFG_HB_COUNT_THRESHOLD …

#define ADF_CFG_HB_RESET_MS …

enum adf_device_heartbeat_status { … };

/* Heartbeat counter pair */
struct hb_cnt_pair { … };

struct adf_heartbeat { … };

#ifdef CONFIG_DEBUG_FS
int adf_heartbeat_init(struct adf_accel_dev *accel_dev);
int adf_heartbeat_start(struct adf_accel_dev *accel_dev);
void adf_heartbeat_shutdown(struct adf_accel_dev *accel_dev);

int adf_heartbeat_ms_to_ticks(struct adf_accel_dev *accel_dev, unsigned int time_ms,
			      uint32_t *value);
int adf_heartbeat_save_cfg_param(struct adf_accel_dev *accel_dev,
				 unsigned int timer_ms);
void adf_heartbeat_status(struct adf_accel_dev *accel_dev,
			  enum adf_device_heartbeat_status *hb_status);
void adf_heartbeat_check_ctrs(struct adf_accel_dev *accel_dev);

#ifdef CONFIG_CRYPTO_DEV_QAT_ERROR_INJECTION
int adf_heartbeat_inject_error(struct adf_accel_dev *accel_dev);
#else
static inline int adf_heartbeat_inject_error(struct adf_accel_dev *accel_dev)
{
	return -EPERM;
}
#endif

#else
static inline int adf_heartbeat_init(struct adf_accel_dev *accel_dev)
{
	return 0;
}

static inline int adf_heartbeat_start(struct adf_accel_dev *accel_dev)
{
	return 0;
}

static inline void adf_heartbeat_shutdown(struct adf_accel_dev *accel_dev)
{
}

static inline int adf_heartbeat_save_cfg_param(struct adf_accel_dev *accel_dev,
					       unsigned int timer_ms)
{
	return 0;
}

static inline void adf_heartbeat_check_ctrs(struct adf_accel_dev *accel_dev)
{
}
#endif
#endif /* ADF_HEARTBEAT_H_ */