i915/selftests/intel_scheduler_helpers.h

0001 /* SPDX-License-Identifier: MIT */
0002 /*
0003  * Copyright © 2021 Intel Corporation
0004  */
0005
0006 #ifndef _INTEL_SELFTEST_SCHEDULER_HELPERS_H_
0007 #define _INTEL_SELFTEST_SCHEDULER_HELPERS_H_
0008
0009 #include <linux/types.h>
0010
0011 struct i915_request;
0012 struct intel_engine_cs;
0013 struct intel_gt;
0014
0015 struct intel_selftest_saved_policy {
0016     u32 flags;
0017     u32 reset;
0018     u64 timeslice;
0019     u64 preempt_timeout;
0020 };
0021
0022 enum selftest_scheduler_modify {
0023     SELFTEST_SCHEDULER_MODIFY_NO_HANGCHECK = 0,
0024     SELFTEST_SCHEDULER_MODIFY_FAST_RESET,
0025 };
0026
0027 struct intel_engine_cs *intel_selftest_find_any_engine(struct intel_gt *gt);
0028 int intel_selftest_modify_policy(struct intel_engine_cs *engine,
0029                  struct intel_selftest_saved_policy *saved,
0030                  enum selftest_scheduler_modify modify_type);
0031 int intel_selftest_restore_policy(struct intel_engine_cs *engine,
0032                   struct intel_selftest_saved_policy *saved);
0033 int intel_selftest_wait_for_rq(struct i915_request *rq);
0034
0035 #endif