120 lines
5.0 KiB
C++
120 lines
5.0 KiB
C++
/*
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* Copyright (C) 2019-2024 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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#include "shared/source/device/root_device.h"
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#include "shared/source/command_stream/command_stream_receiver.h"
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#include "shared/source/command_stream/preemption.h"
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#include "shared/source/debug_settings/debug_settings_manager.h"
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#include "shared/source/device/sub_device.h"
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#include "shared/source/execution_environment/execution_environment.h"
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#include "shared/source/execution_environment/root_device_environment.h"
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#include "shared/source/helpers/api_specific_config.h"
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#include "shared/source/helpers/gfx_core_helper.h"
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#include "shared/source/helpers/hw_info.h"
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#include "shared/source/memory_manager/memory_manager.h"
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#include "shared/source/os_interface/os_context.h"
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#include "shared/source/utilities/software_tags_manager.h"
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namespace NEO {
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extern CommandStreamReceiver *createCommandStream(ExecutionEnvironment &executionEnvironment,
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uint32_t rootDeviceIndex,
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const DeviceBitfield deviceBitfield);
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RootDevice::RootDevice(ExecutionEnvironment *executionEnvironment, uint32_t rootDeviceIndex) : Device(executionEnvironment, rootDeviceIndex) {}
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RootDevice::~RootDevice() {
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if (getDebugSurface()) {
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for (auto *subDevice : this->getSubDevices()) {
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if (subDevice) {
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subDevice->setDebugSurface(nullptr);
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}
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}
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getMemoryManager()->freeGraphicsMemory(debugSurface);
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debugSurface = nullptr;
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}
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if (getRootDeviceEnvironment().tagsManager) {
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getRootDeviceEnvironment().tagsManager->shutdown();
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}
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}
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Device *RootDevice::getRootDevice() const {
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return const_cast<RootDevice *>(this);
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}
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void RootDevice::createBindlessHeapsHelper() {
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if (ApiSpecificConfig::getGlobalBindlessHeapConfiguration(this->getReleaseHelper()) && ApiSpecificConfig::getBindlessMode(this->getReleaseHelper())) {
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this->executionEnvironment->rootDeviceEnvironments[getRootDeviceIndex()]->createBindlessHeapsHelper(this, getNumGenericSubDevices() > 1);
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}
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}
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bool RootDevice::createEngines() {
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if (hasGenericSubDevices) {
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initializeRootCommandStreamReceiver();
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} else {
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return Device::createEngines();
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}
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return true;
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}
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void RootDevice::initializeRootCommandStreamReceiver() {
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std::unique_ptr<CommandStreamReceiver> rootCommandStreamReceiver(createCommandStream(*executionEnvironment, rootDeviceIndex, getDeviceBitfield()));
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auto &hwInfo = getHardwareInfo();
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auto defaultEngineType = getChosenEngineType(hwInfo);
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auto preemptionMode = PreemptionHelper::getDefaultPreemptionMode(hwInfo);
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EngineDescriptor engineDescriptor(EngineTypeUsage{defaultEngineType, EngineUsage::regular}, getDeviceBitfield(), preemptionMode, true, false);
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auto &gfxCoreHelper = getGfxCoreHelper();
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bool isPrimaryEngine = EngineHelpers::isCcs(defaultEngineType);
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if (debugManager.flags.SecondaryContextEngineTypeMask.get() != -1) {
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isPrimaryEngine &= (static_cast<uint32_t>(debugManager.flags.SecondaryContextEngineTypeMask.get()) & (1 << static_cast<uint32_t>(defaultEngineType))) != 0;
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}
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const bool useContextGroup = isPrimaryEngine && gfxCoreHelper.areSecondaryContextsSupported();
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auto osContext = getMemoryManager()->createAndRegisterOsContext(rootCommandStreamReceiver.get(), engineDescriptor);
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osContext->setContextGroup(useContextGroup);
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osContext->setIsPrimaryEngine(isPrimaryEngine);
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rootCommandStreamReceiver->setupContext(*osContext);
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rootCommandStreamReceiver->initializeResources(false);
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rootCsrCreated = true;
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rootCommandStreamReceiver->initializeTagAllocation();
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rootCommandStreamReceiver->createGlobalFenceAllocation();
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rootCommandStreamReceiver->createWorkPartitionAllocation(*this);
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if (preemptionMode == PreemptionMode::MidThread) {
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rootCommandStreamReceiver->createPreemptionAllocation();
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}
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commandStreamReceivers.push_back(std::move(rootCommandStreamReceiver));
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EngineControl engine{commandStreamReceivers.back().get(), osContext};
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allEngines.push_back(engine);
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addEngineToEngineGroup(engine);
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if (useContextGroup) {
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auto contextCount = gfxCoreHelper.getContextGroupContextsCount();
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EngineGroupType engineGroupType = gfxCoreHelper.getEngineGroupType(engine.getEngineType(), engine.getEngineUsage(), hwInfo);
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auto highPriorityContextCount = gfxCoreHelper.getContextGroupHpContextsCount(engineGroupType, false);
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if (debugManager.flags.OverrideNumHighPriorityContexts.get() != -1) {
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highPriorityContextCount = static_cast<uint32_t>(debugManager.flags.OverrideNumHighPriorityContexts.get());
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}
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UNRECOVERABLE_IF(secondaryEngines.find(defaultEngineType) != secondaryEngines.end());
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auto &secondaryEnginesForType = secondaryEngines[defaultEngineType];
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createSecondaryContexts(engine, secondaryEnginesForType, contextCount, contextCount - highPriorityContextCount, highPriorityContextCount);
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}
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}
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} // namespace NEO
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