| /* |
| * 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 drm_i915_gem_request * |
| mock_request(struct intel_engine_cs *engine, |
| struct i915_gem_context *context, |
| unsigned long delay) |
| { |
| struct drm_i915_gem_request *request; |
| struct mock_request *mock; |
| |
| /* NB the i915->requests slab cache is enlarged to fit mock_request */ |
| request = i915_gem_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 drm_i915_gem_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_gem_request_unsubmit(request); |
| |
| return was_queued; |
| } |