/* * Copyright (c) 2017, 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 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. */ #pragma once #include "runtime/command_stream/linear_stream.h" #include "runtime/helpers/hw_helper.h" namespace OCLRT { class Kernel; class Device; class GraphicsAllocation; struct MultiDispatchInfo; class PreemptionHelper { public: static PreemptionMode taskPreemptionMode(Device &device, Kernel *kernel); static PreemptionMode taskPreemptionMode(Device &device, const MultiDispatchInfo &multiDispatchInfo); static bool allowThreadGroupPreemption(Kernel *kernel, const WorkaroundTable *waTable); static bool allowMidThreadPreemption(Kernel *kernel, Device &device); static void adjustDefaultPreemptionMode(RuntimeCapabilityTable &deviceCapabilities, bool allowMidThread, bool allowThreadGroup, bool allowMidBatch); template static void programPreemptionMode(LinearStream *cmdStream, PreemptionMode &preemptionMode, GraphicsAllocation *preemptionCsr, GraphicsAllocation *sipKernel); template static size_t getRequiredCsrSize(PreemptionMode preemptionMode); template static size_t getPreemptionWaCsSize(const Device &device); template static void applyPreemptionWaCmdsBegin(LinearStream *pCommandStream, const Device &device); template static void applyPreemptionWaCmdsEnd(LinearStream *pCommandStream, const Device &device); }; } // namespace OCLRT