LXR linux/drivers/gpu/drm/i915/selftests/mock

   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(request))
  38                return NULL;
  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(&engine->hw_lock);
  51        was_queued = !list_empty(&request->mock.link);
  52        list_del_init(&request->mock.link);
  53        spin_unlock_irq(&engine->hw_lock);
  54
  55        if (was_queued)
  56                i915_request_unsubmit(request);
  57
  58        return was_queued;
  59}
  60