89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/*
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* Copyright (C) 2019 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 "runtime/device/root_device.h"
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#include "runtime/device/sub_device.h"
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#include "runtime/helpers/device_helpers.h"
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#include "runtime/os_interface/debug_settings_manager.h"
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namespace NEO {
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RootDevice::RootDevice(ExecutionEnvironment *executionEnvironment, uint32_t rootDeviceIndex) : Device(executionEnvironment), rootDeviceIndex(rootDeviceIndex) {}
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RootDevice::~RootDevice() = default;
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uint32_t RootDevice::getNumSubDevices() const {
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return static_cast<uint32_t>(subdevices.size());
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}
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uint32_t RootDevice::getRootDeviceIndex() const {
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return rootDeviceIndex;
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}
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uint32_t RootDevice::getNumAvailableDevices() const {
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if (subdevices.empty()) {
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return 1u;
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}
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return getNumSubDevices();
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}
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Device *RootDevice::getDeviceById(uint32_t deviceId) const {
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UNRECOVERABLE_IF(deviceId >= getNumAvailableDevices());
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if (subdevices.empty()) {
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return const_cast<RootDevice *>(this);
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}
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return subdevices[deviceId].get();
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};
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SubDevice *RootDevice::createSubDevice(uint32_t subDeviceIndex) {
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return Device::create<SubDevice>(executionEnvironment, subDeviceIndex, *this);
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}
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bool RootDevice::createDeviceImpl() {
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auto numSubDevices = DeviceHelper::getSubDevicesCount(&getHardwareInfo());
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if (numSubDevices == 1) {
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numSubDevices = 0;
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}
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subdevices.resize(numSubDevices);
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for (auto i = 0u; i < numSubDevices; i++) {
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auto subDevice = createSubDevice(i);
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if (!subDevice) {
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return false;
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}
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subdevices[i].reset(subDevice);
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}
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auto status = Device::createDeviceImpl();
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if (!status) {
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return status;
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}
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return true;
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}
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/* We hide the retain and release function of BaseObject. */
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void RootDevice::retain() {
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DEBUG_BREAK_IF(!isValid());
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}
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unique_ptr_if_unused<Device> RootDevice::release() {
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DEBUG_BREAK_IF(!isValid());
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return unique_ptr_if_unused<Device>(this, false);
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}
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DeviceBitfield RootDevice::getDeviceBitfieldForOsContext() const {
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DeviceBitfield deviceBitfield;
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deviceBitfield.set(0);
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return deviceBitfield;
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}
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bool RootDevice::createEngines() {
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if (!initializeRootCommandStreamReceiver()) {
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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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} // namespace NEO
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