85 lines
3.5 KiB
C++
85 lines
3.5 KiB
C++
/*
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* Copyright (c) 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "runtime/command_stream/linear_stream.h"
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#include "runtime/helpers/hw_helper.h"
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namespace OCLRT {
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class Kernel;
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class Device;
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class GraphicsAllocation;
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struct MultiDispatchInfo;
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class PreemptionHelper {
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public:
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template <typename CmdFamily>
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using INTERFACE_DESCRIPTOR_DATA = typename CmdFamily::INTERFACE_DESCRIPTOR_DATA;
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static PreemptionMode taskPreemptionMode(Device &device, Kernel *kernel);
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static PreemptionMode taskPreemptionMode(Device &device, const MultiDispatchInfo &multiDispatchInfo);
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static bool allowThreadGroupPreemption(Kernel *kernel, const WorkaroundTable *waTable);
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static bool allowMidThreadPreemption(Kernel *kernel, Device &device);
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static void adjustDefaultPreemptionMode(RuntimeCapabilityTable &deviceCapabilities, bool allowMidThread, bool allowThreadGroup, bool allowMidBatch);
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template <typename GfxFamily>
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static size_t getRequiredPreambleSize(const Device &device);
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template <typename GfxFamily>
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static void programPreamble(LinearStream &preambleCmdStream, Device &device, const GraphicsAllocation *preemptionCsr);
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template <typename GfxFamily>
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static size_t getRequiredCmdStreamSize(PreemptionMode newPreemptionMode, PreemptionMode oldPreemptionMode);
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template <typename GfxFamily>
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static void programCmdStream(LinearStream &cmdStream, PreemptionMode newPreemptionMode, PreemptionMode oldPreemptionMode,
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GraphicsAllocation *preemptionCsr, Device &device);
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template <typename GfxFamily>
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static size_t getPreemptionWaCsSize(const Device &device);
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template <typename GfxFamily>
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static void applyPreemptionWaCmdsBegin(LinearStream *pCommandStream, const Device &device);
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template <typename GfxFamily>
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static void applyPreemptionWaCmdsEnd(LinearStream *pCommandStream, const Device &device);
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static PreemptionMode getDefaultPreemptionMode(const HardwareInfo &hwInfo);
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template <typename GfxFamily>
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static void programInterfaceDescriptorDataPreemption(INTERFACE_DESCRIPTOR_DATA<GfxFamily> *idd, PreemptionMode preemptionMode);
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};
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template <typename GfxFamily>
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struct PreemptionConfig {
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static const uint32_t mmioAddress;
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static const uint32_t maskVal;
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static const uint32_t maskShift;
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static const uint32_t mask;
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static const uint32_t threadGroupVal;
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static const uint32_t cmdLevelVal;
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static const uint32_t midThreadVal;
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};
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} // namespace OCLRT
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