/* SPDX-License-Identifier: BSD-3-Clause

*

* Copyright(c) 2017 Intel Corporation. All rights reserved.

*

* Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>

*/

#ifndef __SOF_LIB_AGENT_H__

#define __SOF_LIB_AGENT_H__

#include <rtos/atomic.h>

#include <sof/lib/memory.h>

#include <sof/lib/perf_cnt.h>

#include <rtos/task.h>

#include <rtos/sof.h>

#include <stdbool.h>

#include <stdint.h>

struct sof;

/* simple agent */

struct sa {

uint64_t last_check; /* time of last activity checking */

uint64_t panic_timeout; /* threshold of panic */

uint64_t warn_timeout; /* threshold of warning */

#if CONFIG_PERFORMANCE_COUNTERS

struct perf_cnt_data pcd;

#endif

struct task work;

atomic_t panic_cnt; /**< ref counter for panic_on_delay property */

bool panic_on_delay; /**< emits panic on delay if true */

};

#if CONFIG_HAVE_AGENT

/**

* Enables or disables panic on agent delay.

* @param enabled True for panic enabling, false otherwise.

*/

static inline void sa_set_panic_on_delay(bool enabled)

{

struct sa *sa = sof_get()->sa;

if (enabled)

atomic_add(&sa->panic_cnt, 1);

else

atomic_sub(&sa->panic_cnt, 1);

/* enable panic only if no refs */

sa->panic_on_delay = !atomic_read(&sa->panic_cnt);

}

void sa_init(struct sof *sof, uint64_t timeout);

void sa_exit(struct sof *sof);

#else

static inline void sa_init(struct sof *sof, uint64_t timeout) { }

static inline void sa_exit(struct sof *sof) { }

static inline void sa_set_panic_on_delay(bool enabled) { }

#endif

#endif /* __SOF_LIB_AGENT_H__ */