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

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright © 2018 Intel Corporation
   5  */
   6
   7 #ifndef IGT_WEDGE_ME_H
   8 #define IGT_WEDGE_ME_H
   9
  10 #include <linux/workqueue.h>
  11
  12 #include "../i915_gem.h"
  13
  14 struct drm_i915_private;
  15
  16 struct igt_wedge_me {
  17         struct delayed_work work;
  18         struct drm_i915_private *i915;
  19         const char *name;
  20 };
  21
  22 static void __igt_wedge_me(struct work_struct *work)
  23 {
  24         struct igt_wedge_me *w = container_of(work, typeof(*w), work.work);
  25
  26         pr_err("%s timed out, cancelling test.\n", w->name);
  27
  28         GEM_TRACE("%s timed out.\n", w->name);
  29         GEM_TRACE_DUMP();
  30
  31         i915_gem_set_wedged(w->i915);
  32 }
  33
  34 static void __igt_init_wedge(struct igt_wedge_me *w,
  35                              struct drm_i915_private *i915,
  36                              long timeout,
  37                              const char *name)
  38 {
  39         w->i915 = i915;
  40         w->name = name;
  41
  42         INIT_DELAYED_WORK_ONSTACK(&w->work, __igt_wedge_me);
  43         schedule_delayed_work(&w->work, timeout);
  44 }
  45
  46 static void __igt_fini_wedge(struct igt_wedge_me *w)
  47 {
  48         cancel_delayed_work_sync(&w->work);
  49         destroy_delayed_work_on_stack(&w->work);
  50         w->i915 = NULL;
  51 }
  52
  53 #define igt_wedge_on_timeout(W, DEV, TIMEOUT)                           \
  54         for (__igt_init_wedge((W), (DEV), (TIMEOUT), __func__);         \
  55              (W)->i915;                                                 \
  56              __igt_fini_wedge((W)))
  57
  58 #endif /* IGT_WEDGE_ME_H */