compute-runtime/runtime/os_interface/device_factory.cpp

/*
 * Copyright (C) 2017-2019 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#include "core/debug_settings/debug_settings_manager.h"
#include "core/execution_environment/root_device_environment.h"
#include "core/helpers/hw_helper.h"
#include "core/helpers/options.h"
#include "core/os_interface/aub_memory_operations_handler.h"
#include "runtime/aub/aub_center.h"
#include "runtime/device/device.h"
#include "runtime/os_interface/hw_info_config.h"

namespace NEO {

bool DeviceFactory::getDevicesForProductFamilyOverride(size_t &numDevices, ExecutionEnvironment &executionEnvironment) {
    auto numRootDevices = 1u;
    if (DebugManager.flags.CreateMultipleRootDevices.get()) {
        numRootDevices = DebugManager.flags.CreateMultipleRootDevices.get();
    }
    executionEnvironment.prepareRootDeviceEnvironments(numRootDevices);

    auto productFamily = DebugManager.flags.ProductFamilyOverride.get();
    auto hwInfoConst = *platformDevices;
    getHwInfoForPlatformString(productFamily, hwInfoConst);
    numDevices = 0;
    std::string hwInfoConfig;
    DebugManager.getHardwareInfoOverride(hwInfoConfig);

    auto hardwareInfo = executionEnvironment.getMutableHardwareInfo();
    *hardwareInfo = *hwInfoConst;

    if (hwInfoConfig == "default") {
        hwInfoConfig = *defaultHardwareInfoConfigTable[hwInfoConst->platform.eProductFamily];
    }

    if (!setHwInfoValuesFromConfigString(hwInfoConfig, *hardwareInfo)) {
        return false;
    }

    hardwareInfoSetup[hwInfoConst->platform.eProductFamily](hardwareInfo, true, hwInfoConfig);

    HwInfoConfig *hwConfig = HwInfoConfig::get(hardwareInfo->platform.eProductFamily);
    hwConfig->configureHardwareCustom(hardwareInfo, nullptr);

    executionEnvironment.calculateMaxOsContextCount();
    numDevices = numRootDevices;
    DeviceFactory::numDevices = numDevices;
    auto csrType = DebugManager.flags.SetCommandStreamReceiver.get();
    if (csrType > 0) {
        auto &hwHelper = HwHelper::get(hardwareInfo->platform.eRenderCoreFamily);
        auto localMemoryEnabled = hwHelper.getEnableLocalMemory(*hardwareInfo);
        for (auto rootDeviceIndex = 0u; rootDeviceIndex < numRootDevices; rootDeviceIndex++) {
            executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->initAubCenter(localMemoryEnabled, "", static_cast<CommandStreamReceiverType>(csrType));
            auto aubCenter = executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->aubCenter.get();
            executionEnvironment.rootDeviceEnvironments[rootDeviceIndex]->memoryOperationsInterface = std::make_unique<AubMemoryOperationsHandler>(aubCenter->getAubManager());
        }
    }
    return true;
}

} // namespace NEO