Files
compute-runtime/shared/source/os_interface/os_memory.h
Igor Venevtsev 0bc5e158e5 Pass preferred base address to OSMemory::reserveCpuAddressRange()
Related-To: NEO-4525

Change-Id: I6d97ae41af1a0fba31993683bfc669f79aa5b77b
Signed-off-by: Igor Venevtsev <igor.venevtsev@intel.com>
2020-05-28 11:39:27 +02:00

37 lines
1006 B
C++

/*
* Copyright (C) 2019-2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include <cstddef>
#include <memory>
namespace NEO {
struct OSMemory {
public:
struct ReservedCpuAddressRange {
void *originalPtr = nullptr;
void *alignedPtr = nullptr;
size_t actualReservedSize = 0;
};
public:
static std::unique_ptr<OSMemory> create();
virtual ~OSMemory() = default;
MOCKABLE_VIRTUAL ReservedCpuAddressRange reserveCpuAddressRange(size_t sizeToReserve, size_t alignment);
MOCKABLE_VIRTUAL ReservedCpuAddressRange reserveCpuAddressRange(void *baseAddress, size_t sizeToReserve, size_t alignment);
MOCKABLE_VIRTUAL void releaseCpuAddressRange(const ReservedCpuAddressRange &reservedCpuAddressRange);
protected:
virtual void *osReserveCpuAddressRange(void *baseAddress, size_t sizeToReserve) = 0;
virtual void osReleaseCpuAddressRange(void *reservedCpuAddressRange, size_t reservedSize) = 0;
};
} // namespace NEO