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/*
* Copyright (C) 2023-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/helpers/non_copyable_or_moveable.h"
#include "shared/source/os_interface/linux/hw_device_id.h"
#include <mutex>
namespace L0 {
namespace Sysman {
class SysmanHwDeviceIdDrm : public NEO::HwDeviceIdDrm, NEO::NonCopyableAndNonMovableClass {
public:
using NEO::HwDeviceIdDrm::HwDeviceIdDrm;
class SingleInstance {
public:
SingleInstance(SysmanHwDeviceIdDrm &input) : instance(input), fileDescriptor(input.openFileDescriptor()) {}
~SingleInstance() { instance.closeFileDescriptor(); }
int getFileDescriptor() const { return fileDescriptor; }
private:
SysmanHwDeviceIdDrm &instance;
const int fileDescriptor;
};
SysmanHwDeviceIdDrm() = delete;
SingleInstance getSingleInstance() {
return SingleInstance(*this);
}
private:
MOCKABLE_VIRTUAL int openFileDescriptor();
MOCKABLE_VIRTUAL int closeFileDescriptor();
std::mutex fdMutex{};
uint32_t fdRefCounter = 0;
};
static_assert(NEO::NonCopyableAndNonMovable<SysmanHwDeviceIdDrm>);
} // namespace Sysman
} // namespace L0
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