90 lines
4.6 KiB
C++
90 lines
4.6 KiB
C++
/*
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* Copyright (C) 2017-2019 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 "core/helpers/basic_math.h"
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#include "runtime/memory_manager/memory_manager.h"
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namespace NEO {
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constexpr size_t bigAllocation = 1 * MB;
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constexpr uintptr_t dummyAddress = 0xFFFFF000u;
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class MemoryAllocation : public GraphicsAllocation {
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public:
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const unsigned long long id;
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size_t sizeToFree = 0;
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const bool uncacheable;
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void setSharedHandle(osHandle handle) { sharingInfo.sharedHandle = handle; }
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MemoryAllocation(uint32_t rootDeviceIndex, AllocationType allocationType, void *cpuPtrIn, uint64_t gpuAddress, uint64_t baseAddress, size_t sizeIn,
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MemoryPool::Type pool)
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: GraphicsAllocation(rootDeviceIndex, allocationType, cpuPtrIn, gpuAddress, baseAddress, sizeIn, pool),
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id(0), uncacheable(false) {}
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MemoryAllocation(uint32_t rootDeviceIndex, AllocationType allocationType, void *cpuPtrIn, size_t sizeIn, osHandle sharedHandleIn, MemoryPool::Type pool)
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: GraphicsAllocation(rootDeviceIndex, allocationType, cpuPtrIn, sizeIn, sharedHandleIn, pool),
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id(0), uncacheable(false) {}
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MemoryAllocation(uint32_t rootDeviceIndex, AllocationType allocationType, void *driverAllocatedCpuPointer, void *pMem, uint64_t gpuAddress, size_t memSize,
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uint64_t count, MemoryPool::Type pool, bool uncacheable, bool flushL3Required)
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: GraphicsAllocation(rootDeviceIndex, allocationType, pMem, gpuAddress, 0u, memSize, pool),
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id(count), uncacheable(uncacheable) {
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this->driverAllocatedCpuPointer = driverAllocatedCpuPointer;
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overrideMemoryPool(pool);
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allocationInfo.flags.flushL3Required = flushL3Required;
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}
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void overrideMemoryPool(MemoryPool::Type pool);
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};
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class OsAgnosticMemoryManager : public MemoryManager {
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public:
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using MemoryManager::allocateGraphicsMemory;
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OsAgnosticMemoryManager(ExecutionEnvironment &executionEnvironment) : OsAgnosticMemoryManager(false, executionEnvironment) {}
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OsAgnosticMemoryManager(bool aubUsage, ExecutionEnvironment &executionEnvironment);
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~OsAgnosticMemoryManager() override;
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GraphicsAllocation *createGraphicsAllocationFromSharedHandle(osHandle handle, const AllocationProperties &properties, bool requireSpecificBitness) override;
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GraphicsAllocation *createGraphicsAllocationFromNTHandle(void *handle, uint32_t rootDeviceIndex) override { return nullptr; }
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void addAllocationToHostPtrManager(GraphicsAllocation *gfxAllocation) override;
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void removeAllocationFromHostPtrManager(GraphicsAllocation *gfxAllocation) override;
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void freeGraphicsMemoryImpl(GraphicsAllocation *gfxAllocation) override;
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AllocationStatus populateOsHandles(OsHandleStorage &handleStorage) override;
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void cleanOsHandles(OsHandleStorage &handleStorage, uint32_t rootDeviceIndex) override;
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uint64_t getSystemSharedMemory() override;
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uint64_t getLocalMemorySize() override;
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void turnOnFakingBigAllocations();
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void *reserveCpuAddressRange(size_t size) override;
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void releaseReservedCpuAddressRange(void *reserved, size_t size) override;
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protected:
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GraphicsAllocation *createGraphicsAllocation(OsHandleStorage &handleStorage, const AllocationData &allocationData) override;
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GraphicsAllocation *allocateGraphicsMemoryForNonSvmHostPtr(const AllocationData &allocationData) override;
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GraphicsAllocation *allocateGraphicsMemoryWithAlignment(const AllocationData &allocationData) override;
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GraphicsAllocation *allocateGraphicsMemory64kb(const AllocationData &allocationData) override;
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GraphicsAllocation *allocateGraphicsMemoryForImageImpl(const AllocationData &allocationData, std::unique_ptr<Gmm> gmm) override;
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void *lockResourceImpl(GraphicsAllocation &graphicsAllocation) override { return graphicsAllocation.getUnderlyingBuffer(); }
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void unlockResourceImpl(GraphicsAllocation &graphicsAllocation) override {}
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GraphicsAllocation *allocate32BitGraphicsMemoryImpl(const AllocationData &allocationData) override;
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GraphicsAllocation *allocateGraphicsMemoryInDevicePool(const AllocationData &allocationData, AllocationStatus &status) override;
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MemoryAllocation *createMemoryAllocation(GraphicsAllocation::AllocationType allocationType, void *driverAllocatedCpuPointer, void *pMem, uint64_t gpuAddress, size_t memSize,
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uint64_t count, MemoryPool::Type pool, uint32_t rootDeviceIndex, bool uncacheable, bool flushL3Required, bool requireSpecificBitness);
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private:
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unsigned long long counter = 0;
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bool fakeBigAllocations = false;
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};
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} // namespace NEO
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