46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/*
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* Copyright (C) 2019-2025 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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#pragma once
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#include <cstdint>
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#include <memory>
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#include <vector>
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namespace NEO {
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struct OSMemory {
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public:
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struct ReservedCpuAddressRange {
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void *originalPtr = nullptr;
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void *alignedPtr = nullptr;
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size_t sizeToReserve = 0;
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size_t actualReservedSize = 0;
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};
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struct MappedRegion {
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uint64_t start = 0, end = 0;
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};
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using MemoryMaps = std::vector<OSMemory::MappedRegion>;
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public:
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static std::unique_ptr<OSMemory> create();
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virtual ~OSMemory() = default;
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MOCKABLE_VIRTUAL ReservedCpuAddressRange reserveCpuAddressRange(size_t sizeToReserve, size_t alignment);
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MOCKABLE_VIRTUAL ReservedCpuAddressRange reserveCpuAddressRange(void *baseAddress, size_t sizeToReserve, size_t alignment);
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MOCKABLE_VIRTUAL void releaseCpuAddressRange(const ReservedCpuAddressRange &reservedCpuAddressRange);
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virtual void getMemoryMaps(MemoryMaps &memoryMaps) = 0;
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virtual void *osReserveCpuAddressRange(void *baseAddress, size_t sizeToReserve, bool topDownHint) = 0;
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virtual void osReleaseCpuAddressRange(void *reservedCpuAddressRange, size_t reservedSize) = 0;
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};
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} // namespace NEO
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