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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/non_copyable_or_moveable.h"
#include "shared/source/helpers/topology_map.h"
#include "shared/source/os_interface/external_semaphore.h"
#include "shared/source/os_interface/os_interface.h"
#include "shared/source/os_interface/windows/d3dkmthk_wrapper.h"
#include <limits>
#include <memory>
#include <string>
namespace NEO {
typedef wchar_t SharedSyncName[9 + 2 * (sizeof(uint32_t) + sizeof(uint64_t))];
struct SharedMemoryContentHeader {
alignas(8) uint64_t lastSignaledValue;
SharedSyncName sharedSyncName;
uint32_t access;
uint32_t serializedSecurityDescriptorStringSize;
};
class ExternalSemaphoreWindows : public ExternalSemaphore {
public:
static std::unique_ptr<ExternalSemaphoreWindows> create(OSInterface *osInterface);
~ExternalSemaphoreWindows() override{};
bool importSemaphore(void *extHandle, int fd, uint32_t flags, const char *name, Type type, bool isNative) override;
bool enqueueWait(uint64_t *fenceValue) override;
bool enqueueSignal(uint64_t *fenceValue) override;
SharedMemoryContentHeader *getSharedMemoryContentHeader() {
return reinterpret_cast<SharedMemoryContentHeader *>(this->pCpuAddress);
}
protected:
D3DKMT_HANDLE syncHandle;
void *pCpuAddress = nullptr;
volatile uint64_t *pLastSignaledValue = nullptr;
};
} // namespace NEO
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