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/*
* Copyright (C) 2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/device/device.h"
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/helpers/driver_model_type.h"
#include "shared/source/helpers/non_copyable_or_moveable.h"
#include "shared/source/helpers/topology_map.h"
#include "shared/source/os_interface/os_handle.h"
#include "shared/source/os_interface/os_interface.h"
#include <limits>
#include <memory>
#include <string>
namespace NEO {
class ExternalSemaphore {
public:
enum Type {
OpaqueFd,
OpaqueWin32,
OpaqueWin32Kmt,
D3d12Fence,
D3d11Fence,
KeyedMutex,
KeyedMutexKmt,
TimelineSemaphoreFd,
TimelineSemaphoreWin32,
Invalid
};
enum SemaphoreState {
Initial,
Waiting,
Signaled
};
static std::unique_ptr<ExternalSemaphore> create(OSInterface *osInterface, ExternalSemaphore::Type type, void *handle, int fd, const char *name);
virtual ~ExternalSemaphore() = default;
virtual bool importSemaphore(void *extHandle, int fd, uint32_t flags, const char *name, Type type, bool isNative) = 0;
virtual bool enqueueWait(uint64_t *fenceValue) = 0;
virtual bool enqueueSignal(uint64_t *fenceValue) = 0;
OSInterface *osInterface = nullptr;
SemaphoreState getState() { return state; }
protected:
Type type = Type::Invalid;
SemaphoreState state = SemaphoreState::Initial;
};
} // namespace NEO
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