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