54 lines
2.2 KiB
C++
54 lines
2.2 KiB
C++
/*
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* Copyright (c) 2017, 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 <map>
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#include "runtime/helpers/aligned_memory.h"
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#include "runtime/memory_manager/graphics_allocation.h"
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#include "runtime/memory_manager/host_ptr_defines.h"
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namespace OCLRT {
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typedef std::map<void *, FragmentStorage> HostPtrFragmentsContainer;
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class HostPtrManager {
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public:
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static AllocationRequirements getAllocationRequirements(const void *inputPtr, size_t size);
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OsHandleStorage populateAlreadyAllocatedFragments(AllocationRequirements &requirements, CheckedFragments *checkedFragments);
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void storeFragment(FragmentStorage &fragment);
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void storeFragment(AllocationStorageData &storageData);
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void releaseHandleStorage(OsHandleStorage &fragments);
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bool releaseHostPtr(void *ptr);
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FragmentStorage *getFragment(void *inputPtr);
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size_t getFragmentCount() { return partialAllocations.size(); }
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FragmentStorage *getFragmentAndCheckForOverlaps(const void *inputPtr, size_t size, OverlapStatus &overlappingStatus);
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private:
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std::map<void *, FragmentStorage>::iterator findElement(void *ptr);
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HostPtrFragmentsContainer partialAllocations;
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std::mutex allocationsMutex;
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};
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} // namespace OCLRT
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