linux/drivers/gpu/drm/i915/selftests/mock_engine.h
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   1/*
   2 * Copyright © 2016 Intel Corporation
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice (including the next
  12 * paragraph) shall be included in all copies or substantial portions of the
  13 * Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21 * IN THE SOFTWARE.
  22 *
  23 */
  24
  25#ifndef __MOCK_ENGINE_H__
  26#define __MOCK_ENGINE_H__
  27
  28#include <linux/list.h>
  29#include <linux/spinlock.h>
  30#include <linux/timer.h>
  31
  32#include "../intel_ringbuffer.h"
  33
  34struct mock_engine {
  35        struct intel_engine_cs base;
  36
  37        spinlock_t hw_lock;
  38        struct list_head hw_queue;
  39        struct timer_list hw_delay;
  40};
  41
  42struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,
  43                                    const char *name,
  44                                    int id);
  45void mock_engine_flush(struct intel_engine_cs *engine);
  46void mock_engine_reset(struct intel_engine_cs *engine);
  47void mock_engine_free(struct intel_engine_cs *engine);
  48
  49#endif /* !__MOCK_ENGINE_H__ */
  50