linuxdebug/drivers/gpu/drm/i915/selftests/mock_request.c

60 lines
1.9 KiB
C

/*
* 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 "gem/selftests/igt_gem_utils.h"
#include "gt/mock_engine.h"
#include "mock_request.h"
struct i915_request *
mock_request(struct intel_context *ce, unsigned long delay)
{
struct i915_request *request;
/* NB the i915->requests slab cache is enlarged to fit mock_request */
request = intel_context_create_request(ce);
if (IS_ERR(request))
return NULL;
request->mock.delay = delay;
return request;
}
bool mock_cancel_request(struct i915_request *request)
{
struct mock_engine *engine =
container_of(request->engine, typeof(*engine), base);
bool was_queued;
spin_lock_irq(&engine->hw_lock);
was_queued = !list_empty(&request->mock.link);
list_del_init(&request->mock.link);
spin_unlock_irq(&engine->hw_lock);
if (was_queued)
i915_request_unsubmit(request);
return was_queued;
}