67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
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/*
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* Copyright (c) 2015 Advanced Micro Devices, Inc.
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* All rights reserved.
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*
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* For use for simulation and test purposes only
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Author: John Kalamatianos
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*/
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#ifndef __POOL_MANAGER_HH__
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#define __POOL_MANAGER_HH__
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#include <cassert>
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#include <cstdint>
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#include <string>
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// Pool Manager Logic
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class PoolManager
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{
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public:
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PoolManager(uint32_t minAlloc, uint32_t poolSize);
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uint32_t minAllocation() { return _minAllocation; }
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virtual std::string printRegion() = 0;
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virtual uint32_t regionSize(std::pair<uint32_t,uint32_t> ®ion) = 0;
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virtual bool canAllocate(uint32_t numRegions, uint32_t size) = 0;
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virtual uint32_t allocateRegion(const uint32_t size,
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uint32_t *reserved) = 0;
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virtual void freeRegion(uint32_t firstIdx, uint32_t lastIdx) = 0;
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uint32_t poolSize() { return _poolSize; }
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private:
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// minimum size that can be reserved per allocation
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uint32_t _minAllocation;
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// pool size in number of elements
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uint32_t _poolSize;
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};
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#endif // __POOL_MANAGER_HH__
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