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
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 void mock_engine_flush(struct intel_engine_cs *engine);
46 void mock_engine_reset(struct intel_engine_cs *engine);
47 void mock_engine_free(struct intel_engine_cs *engine);
48
mock_seqno_advance(struct intel_engine_cs * engine,u32 seqno)49 static inline void mock_seqno_advance(struct intel_engine_cs *engine, u32 seqno)
50 {
51 intel_write_status_page(engine, I915_GEM_HWS_INDEX, seqno);
52 intel_engine_wakeup(engine);
53 }
54
55 #endif /* !__MOCK_ENGINE_H__ */
56
