agent.h

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/* 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; 
    bool panic_on_delay;    
};
 
#if CONFIG_HAVE_AGENT

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__ */