101 lines
4.8 KiB
C++
101 lines
4.8 KiB
C++
/*
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* Copyright (c) 2017 - 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "drm_gem_close_worker.h"
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#include "runtime/memory_manager/memory_manager.h"
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#include "runtime/os_interface/linux/drm_allocation.h"
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#include "runtime/os_interface/linux/drm_neo.h"
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#include <map>
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#include <sys/mman.h>
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namespace OCLRT {
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class BufferObject;
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class Drm;
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class DrmMemoryManager : public MemoryManager {
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public:
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using MemoryManager::allocateGraphicsMemory;
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using MemoryManager::createGraphicsAllocationFromSharedHandle;
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DrmMemoryManager(Drm *drm, gemCloseWorkerMode mode, bool forcePinAllowed, bool validateHostPtrMemory);
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~DrmMemoryManager() override;
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BufferObject *getPinBB() const;
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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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DrmAllocation *allocateGraphicsMemory(size_t size, size_t alignment, bool forcePin, bool uncacheable) override;
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DrmAllocation *allocateGraphicsMemory64kb(size_t size, size_t alignment, bool forcePin, bool preferRenderCompressed) override;
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DrmAllocation *allocateGraphicsMemory(size_t size, const void *ptr) override {
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return allocateGraphicsMemory(size, ptr, false);
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}
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DrmAllocation *allocateGraphicsMemory(size_t size, const void *ptr, bool forcePin) override;
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GraphicsAllocation *allocateGraphicsMemoryForImage(ImageInfo &imgInfo, Gmm *gmm) override;
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DrmAllocation *allocate32BitGraphicsMemory(size_t size, const void *ptr, AllocationOrigin allocationOrigin) override;
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GraphicsAllocation *createGraphicsAllocationFromSharedHandle(osHandle handle, bool requireSpecificBitness, bool reuseBO) override;
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GraphicsAllocation *createPaddedAllocation(GraphicsAllocation *inputGraphicsAllocation, size_t sizeWithPadding) override;
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GraphicsAllocation *createGraphicsAllocationFromNTHandle(void *handle) override { return nullptr; }
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void *lockResource(GraphicsAllocation *graphicsAllocation) override;
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void unlockResource(GraphicsAllocation *graphicsAllocation) override;
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uint64_t getSystemSharedMemory() override;
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uint64_t getMaxApplicationAddress() override;
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uint64_t getInternalHeapBaseAddress() override;
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AllocationStatus populateOsHandles(OsHandleStorage &handleStorage) override;
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void cleanOsHandles(OsHandleStorage &handleStorage) override;
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// drm/i915 ioctl wrappers
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uint32_t unreference(BufferObject *bo, bool synchronousDestroy = false);
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DrmAllocation *createGraphicsAllocation(OsHandleStorage &handleStorage, size_t hostPtrSize, const void *hostPtr) override;
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bool isValidateHostMemoryEnabled() const {
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return validateHostPtrMemory;
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}
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DrmGemCloseWorker *peekGemCloseWorker() { return this->gemCloseWorker.get(); }
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protected:
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BufferObject *findAndReferenceSharedBufferObject(int boHandle);
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BufferObject *createSharedBufferObject(int boHandle, size_t size, bool requireSpecificBitness);
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void eraseSharedBufferObject(BufferObject *bo);
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void pushSharedBufferObject(BufferObject *bo);
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BufferObject *allocUserptr(uintptr_t address, size_t size, uint64_t flags, bool softpin);
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bool setDomainCpu(GraphicsAllocation &graphicsAllocation, bool writeEnable);
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Drm *drm;
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BufferObject *pinBB;
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size_t pinThreshold = 8 * 1024 * 1024;
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bool forcePinEnabled = false;
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const bool validateHostPtrMemory;
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std::unique_ptr<DrmGemCloseWorker> gemCloseWorker;
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decltype(&lseek) lseekFunction = lseek;
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decltype(&mmap) mmapFunction = mmap;
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decltype(&munmap) munmapFunction = munmap;
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decltype(&close) closeFunction = close;
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std::vector<BufferObject *> sharingBufferObjects;
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std::mutex mtx;
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std::unique_ptr<Allocator32bit> internal32bitAllocator;
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};
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} // namespace OCLRT
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