drivers/gpu/drm/i915/selftests/igt_live_test.h

   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_engine.h" /* for I915_NUM_ENGINES */
  11
  12 struct drm_i915_private;
  13
  14 struct igt_live_test {
  15         struct drm_i915_private *i915;
  16         const char *func;
  17         const char *name;
  18
  19         unsigned int reset_global;
  20         unsigned int reset_engine[I915_NUM_ENGINES];
  21 };
  22
  23 /*
  24  * Flush the GPU state before and after the test to ensure that no residual
  25  * code is running on the GPU that may affect this test. Also compare the
  26  * state before and after the test and alert if it unexpectedly changes,
  27  * e.g. if the GPU was reset.
  28  */
  29 int igt_live_test_begin(struct igt_live_test *t,
  30                         struct drm_i915_private *i915,
  31                         const char *func,
  32                         const char *name);
  33 int igt_live_test_end(struct igt_live_test *t);
  34
  35 #endif /* IGT_LIVE_TEST_H */