/*
|
* Copyright © 2016 Intel Corporation
|
*
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
* copy of this software and associated documentation files (the "Software"),
|
* to deal in the Software without restriction, including without limitation
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
* and/or sell copies of the Software, and to permit persons to whom the
|
* Software is furnished to do so, subject to the following conditions:
|
*
|
* The above copyright notice and this permission notice (including the next
|
* paragraph) shall be included in all copies or substantial portions of the
|
* Software.
|
*
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
* IN THE SOFTWARE.
|
*
|
*/
|
|
#include "mock_engine.h"
|
#include "mock_request.h"
|
|
struct i915_request *
|
mock_request(struct intel_engine_cs *engine,
|
struct i915_gem_context *context,
|
unsigned long delay)
|
{
|
struct i915_request *request;
|
struct mock_request *mock;
|
|
/* NB the i915->requests slab cache is enlarged to fit mock_request */
|
request = i915_request_alloc(engine, context);
|
if (IS_ERR(request))
|
return NULL;
|
|
mock = container_of(request, typeof(*mock), base);
|
mock->delay = delay;
|
|
return &mock->base;
|
}
|
|
bool mock_cancel_request(struct i915_request *request)
|
{
|
struct mock_request *mock = container_of(request, typeof(*mock), base);
|
struct mock_engine *engine =
|
container_of(request->engine, typeof(*engine), base);
|
bool was_queued;
|
|
spin_lock_irq(&engine->hw_lock);
|
was_queued = !list_empty(&mock->link);
|
list_del_init(&mock->link);
|
spin_unlock_irq(&engine->hw_lock);
|
|
if (was_queued)
|
i915_request_unsubmit(request);
|
|
return was_queued;
|
}
|
