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
30struct i915_request *
31mock_request(struct intel_context *ce, unsigned long delay)
32{
33 struct i915_request *request;
34
35 /* NB the i915->requests slab cache is enlarged to fit mock_request */
36 request = intel_context_create_request(ce);
37 if (IS_ERR(ptr: request))
38 return request;
39
40 request->mock.delay = delay;
41 return request;
42}
43
44bool mock_cancel_request(struct i915_request *request)
45{
46 struct mock_engine *engine =
47 container_of(request->engine, typeof(*engine), base);
48 bool was_queued;
49
50 spin_lock_irq(lock: &engine->hw_lock);
51 was_queued = !list_empty(head: &request->mock.link);
52 list_del_init(entry: &request->mock.link);
53 spin_unlock_irq(lock: &engine->hw_lock);
54
55 if (was_queued)
56 i915_request_unsubmit(request);
57
58 return was_queued;
59}
60

source code of linux/drivers/gpu/drm/i915/selftests/mock_request.c