| /* 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__ */ |
