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      1 /*	$NetBSD: mock_request.c,v 1.2 2021/12/18 23:45:31 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright  2016 Intel Corporation
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the next
     14  * paragraph) shall be included in all copies or substantial portions of the
     15  * Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     23  * IN THE SOFTWARE.
     24  *
     25  */
     26 
     27 #include <sys/cdefs.h>
     28 __KERNEL_RCSID(0, "$NetBSD: mock_request.c,v 1.2 2021/12/18 23:45:31 riastradh Exp $");
     29 
     30 #include "gem/selftests/igt_gem_utils.h"
     31 #include "gt/mock_engine.h"
     32 
     33 #include "mock_request.h"
     34 
     35 struct i915_request *
     36 mock_request(struct intel_context *ce, unsigned long delay)
     37 {
     38 	struct i915_request *request;
     39 
     40 	/* NB the i915->requests slab cache is enlarged to fit mock_request */
     41 	request = intel_context_create_request(ce);
     42 	if (IS_ERR(request))
     43 		return NULL;
     44 
     45 	request->mock.delay = delay;
     46 	return request;
     47 }
     48 
     49 bool mock_cancel_request(struct i915_request *request)
     50 {
     51 	struct mock_engine *engine =
     52 		container_of(request->engine, typeof(*engine), base);
     53 	bool was_queued;
     54 
     55 	spin_lock_irq(&engine->hw_lock);
     56 	was_queued = !list_empty(&request->mock.link);
     57 	list_del_init(&request->mock.link);
     58 	spin_unlock_irq(&engine->hw_lock);
     59 
     60 	if (was_queued)
     61 		i915_request_unsubmit(request);
     62 
     63 	return was_queued;
     64 }
     65