/* * 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; }