1/*
 2 * SPDX-License-Identifier: MIT
 3 *
 4 * Copyright © 2019 Intel Corporation
 5 */
 6
 7#ifndef IGT_LIVE_TEST_H
 8#define IGT_LIVE_TEST_H
 9
10#include "gt/intel_gt_defines.h" /* for I915_MAX_GT */
11#include "gt/intel_engine.h" /* for I915_NUM_ENGINES */
12
13struct drm_i915_private;
14
15struct igt_live_test {
16	struct drm_i915_private *i915;
17	const char *func;
18	const char *name;
19
20	unsigned int reset_global;
21	unsigned int reset_engine[I915_MAX_GT][I915_NUM_ENGINES];
22};
23
24/*
25 * Flush the GPU state before and after the test to ensure that no residual
26 * code is running on the GPU that may affect this test. Also compare the
27 * state before and after the test and alert if it unexpectedly changes,
28 * e.g. if the GPU was reset.
29 */
30int igt_live_test_begin(struct igt_live_test *t,
31			struct drm_i915_private *i915,
32			const char *func,
33			const char *name);
34int igt_live_test_end(struct igt_live_test *t);
35
36#endif /* IGT_LIVE_TEST_H */