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/*
* Copyright (C) 2019-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/device/sub_device.h"
#include "shared/source/device/root_device.h"
namespace NEO {
SubDevice::SubDevice(ExecutionEnvironment *executionEnvironment, uint32_t subDeviceIndex, RootDevice &rootDevice)
: Device(executionEnvironment), subDeviceIndex(subDeviceIndex), rootDevice(rootDevice) {
}
void SubDevice::incRefInternal() {
rootDevice.incRefInternal();
}
unique_ptr_if_unused<Device> SubDevice::decRefInternal() {
return rootDevice.decRefInternal();
}
DeviceBitfield SubDevice::getDeviceBitfield() const {
DeviceBitfield deviceBitfield;
deviceBitfield.set(subDeviceIndex);
return deviceBitfield;
}
uint32_t SubDevice::getNumAvailableDevices() const {
return 1u;
}
uint32_t SubDevice::getRootDeviceIndex() const {
return this->rootDevice.getRootDeviceIndex();
}
uint32_t SubDevice::getSubDeviceIndex() const {
return subDeviceIndex;
}
Device *SubDevice::getDeviceById(uint32_t deviceId) const {
UNRECOVERABLE_IF(deviceId >= getNumAvailableDevices());
return const_cast<SubDevice *>(this);
}
Device *SubDevice::getParentDevice() const {
return &rootDevice;
}
uint64_t SubDevice::getGlobalMemorySize() const {
auto globalMemorySize = Device::getGlobalMemorySize();
return globalMemorySize / rootDevice.getNumAvailableDevices();
}
} // namespace NEO
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