1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2019 Intel Corporation
4  */
5 
6 #ifndef INTEL_ENGINE_HEARTBEAT_H
7 #define INTEL_ENGINE_HEARTBEAT_H
8 
9 struct intel_engine_cs;
10 struct intel_gt;
11 
12 void intel_engine_init_heartbeat(struct intel_engine_cs *engine);
13 
14 int intel_engine_set_heartbeat(struct intel_engine_cs *engine,
15 			       unsigned long delay);
16 
17 void intel_engine_park_heartbeat(struct intel_engine_cs *engine);
18 void intel_engine_unpark_heartbeat(struct intel_engine_cs *engine);
19 
20 void intel_gt_park_heartbeats(struct intel_gt *gt);
21 void intel_gt_unpark_heartbeats(struct intel_gt *gt);
22 
23 int intel_engine_pulse(struct intel_engine_cs *engine);
24 int intel_engine_flush_barriers(struct intel_engine_cs *engine);
25 
26 #endif /* INTEL_ENGINE_HEARTBEAT_H */
27