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/*
* Copyright (C) 2019-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/os_interface/linux/ioctl_helper.h"
#include <cstddef>
#include <cstdint>
#include <vector>
namespace NEO {
class Drm;
struct HardwareInfo;
class MemoryInfo {
public:
using RegionContainer = std::vector<MemoryRegion>;
virtual ~MemoryInfo(){};
MemoryInfo(const RegionContainer ®ionInfo, const Drm &drm);
void assignRegionsFromDistances(const std::vector<DistanceInfo> &distances);
MOCKABLE_VIRTUAL int createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, uint64_t patIndex, std::optional<uint32_t> vmId, int32_t pairHandle, bool isChunked, uint32_t numOfChunks, bool isUSMHostAllocation);
MemoryClassInstance getMemoryRegionClassAndInstance(DeviceBitfield deviceBitfield, const HardwareInfo &hwInfo);
MOCKABLE_VIRTUAL size_t getMemoryRegionSize(uint32_t memoryBank) const;
const MemoryRegion &getMemoryRegion(DeviceBitfield deviceBitfield) const;
void printRegionSizes() const;
uint32_t getLocalMemoryRegionIndex(DeviceBitfield deviceBitfield) const;
MOCKABLE_VIRTUAL int createGemExtWithSingleRegion(DeviceBitfield memoryBanks, size_t allocSize, uint32_t &handle, uint64_t patIndex, int32_t pairHandle, bool isUSMHostAllocation);
MOCKABLE_VIRTUAL int createGemExtWithMultipleRegions(DeviceBitfield memoryBanks, size_t allocSize, uint32_t &handle, uint64_t patIndex, bool isUSMHostAllocation);
MOCKABLE_VIRTUAL int createGemExtWithMultipleRegions(DeviceBitfield memoryBanks, size_t allocSize, uint32_t &handle, uint64_t patIndex, int32_t pairHandle, bool isChunked, uint32_t numOfChunks, bool isUSMHostAllocation);
void populateTileToLocalMemoryRegionIndexMap();
uint64_t getLocalMemoryRegionSize(uint32_t tileId) const;
const RegionContainer &getLocalMemoryRegions() const { return localMemoryRegions; }
const RegionContainer &getDrmRegionInfos() const { return drmQueryRegions; }
bool isMemPolicySupported() const { return memPolicySupported; }
bool isSmallBarDetected() const { return smallBarDetected; }
protected:
const Drm &drm;
const RegionContainer drmQueryRegions;
const MemoryRegion &systemMemoryRegion;
bool memPolicySupported;
int memPolicyMode;
RegionContainer localMemoryRegions;
std::array<uint32_t, 4> tileToLocalMemoryRegionIndexMap{};
bool smallBarDetected;
};
} // namespace NEO
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