LXR linux/drivers/gpu/drm/i915/selftests/igt_wedge

   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
  14struct drm_i915_private;
  15
  16struct igt_wedge_me {
  17        struct delayed_work work;
  18        struct drm_i915_private *i915;
  19        const char *name;
  20};
  21
  22static 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
  34static 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
  46static 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 */
  59