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      1 /*	$NetBSD: intel_engine_heartbeat.h,v 1.2 2021/12/18 23:45:30 riastradh Exp $	*/
      2 
      3 /*
      4  * SPDX-License-Identifier: MIT
      5  *
      6  * Copyright  2019 Intel Corporation
      7  */
      8 
      9 #ifndef INTEL_ENGINE_HEARTBEAT_H
     10 #define INTEL_ENGINE_HEARTBEAT_H
     11 
     12 struct intel_engine_cs;
     13 
     14 void intel_engine_init_heartbeat(struct intel_engine_cs *engine);
     15 
     16 int intel_engine_set_heartbeat(struct intel_engine_cs *engine,
     17 			       unsigned long delay);
     18 
     19 void intel_engine_park_heartbeat(struct intel_engine_cs *engine);
     20 void intel_engine_unpark_heartbeat(struct intel_engine_cs *engine);
     21 
     22 int intel_engine_pulse(struct intel_engine_cs *engine);
     23 int intel_engine_flush_barriers(struct intel_engine_cs *engine);
     24 
     25 #endif /* INTEL_ENGINE_HEARTBEAT_H */
     26