xref: /openbmc/linux/drivers/gpu/drm/i915/gt/mock_engine.h (revision b8265621)
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 "gt/intel_engine.h"
33 
34 struct 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 
42 struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,
43 				    const char *name,
44 				    int id);
45 int mock_engine_init(struct intel_engine_cs *engine);
46 
47 void mock_engine_flush(struct intel_engine_cs *engine);
48 void mock_engine_reset(struct intel_engine_cs *engine);
49 void mock_engine_free(struct intel_engine_cs *engine);
50 
51 #endif /* !__MOCK_ENGINE_H__ */
52