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 #include "gem/selftests/igt_gem_utils.h"
26 #include "gt/mock_engine.h"
27 
28 #include "mock_request.h"
29 
30 struct i915_request *
31 mock_request(struct intel_engine_cs *engine,
32 	     struct i915_gem_context *context,
33 	     unsigned long delay)
34 {
35 	struct i915_request *request;
36 
37 	/* NB the i915->requests slab cache is enlarged to fit mock_request */
38 	request = igt_request_alloc(context, engine);
39 	if (IS_ERR(request))
40 		return NULL;
41 
42 	request->mock.delay = delay;
43 	return request;
44 }
45 
46 bool mock_cancel_request(struct i915_request *request)
47 {
48 	struct mock_engine *engine =
49 		container_of(request->engine, typeof(*engine), base);
50 	bool was_queued;
51 
52 	spin_lock_irq(&engine->hw_lock);
53 	was_queued = !list_empty(&request->mock.link);
54 	list_del_init(&request->mock.link);
55 	spin_unlock_irq(&engine->hw_lock);
56 
57 	if (was_queued)
58 		i915_request_unsubmit(request);
59 
60 	return was_queued;
61 }
62