94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
/*
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* Copyright (C) 2018-2024 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include <cstddef>
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#include <cstdint>
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namespace NEO {
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class LinearStream;
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enum PreemptionMode : uint32_t;
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struct HardwareInfo;
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struct RootDeviceEnvironment;
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class Device;
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class GraphicsAllocation;
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struct KernelDescriptor;
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struct RuntimeCapabilityTable;
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class OsContext;
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struct PreemptionFlags {
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PreemptionFlags() {
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data = 0;
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}
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union {
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struct {
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uint32_t disabledMidThreadPreemptionKernel : 1;
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uint32_t vmeKernel : 1;
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uint32_t deviceSupportsVmePreemption : 1;
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uint32_t disablePerCtxtPreemptionGranularityControl : 1;
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uint32_t usesFencesForReadWriteImages : 1;
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uint32_t disableLSQCROPERFforOCL : 1;
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uint32_t reserved : 26;
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} flags;
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uint32_t data;
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};
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};
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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(PreemptionMode devicePreemptionMode, const PreemptionFlags &flags);
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static bool allowThreadGroupPreemption(const PreemptionFlags &flags);
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static bool allowMidThreadPreemption(const PreemptionFlags &flags);
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static void adjustDefaultPreemptionMode(RuntimeCapabilityTable &deviceCapabilities, bool allowMidThread, bool allowThreadGroup, bool allowMidBatch);
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static PreemptionFlags createPreemptionLevelFlags(Device &device, const KernelDescriptor *kernelDescriptor);
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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 size_t getRequiredStateSipCmdSize(Device &device, bool isRcs);
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template <typename GfxFamily>
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static void programCsrBaseAddress(LinearStream &preambleCmdStream, Device &device, const GraphicsAllocation *preemptionCsr);
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template <typename GfxFamily>
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static void programStateSip(LinearStream &preambleCmdStream, Device &device, OsContext *context);
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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);
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static PreemptionMode getDefaultPreemptionMode(const HardwareInfo &hwInfo);
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template <typename GfxFamily, typename InterfaceDescriptorType>
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static void programInterfaceDescriptorDataPreemption(InterfaceDescriptorType *idd, PreemptionMode preemptionMode);
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protected:
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template <typename GfxFamily>
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static void programCsrBaseAddressCmd(LinearStream &preambleCmdStream, const GraphicsAllocation *preemptionCsr);
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template <typename GfxFamily>
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static void programStateSipCmd(LinearStream &preambleCmdStream, GraphicsAllocation *sipAllocation, bool useFullAddress);
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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 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 NEO
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