1/* 2 * Copyright (c) 2015-2017 Advanced Micro Devices, Inc. 3 * All rights reserved. 4 * 5 * For use for simulation and test purposes only 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the copyright holder nor the names of its 18 * contributors may be used to endorse or promote products derived from this 19 * software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 * Authors: John Kalamatianos 34 */ 35 36#ifndef __POOL_MANAGER_HH__ 37#define __POOL_MANAGER_HH__ 38 39#include <cassert> 40#include <cstdint> 41#include <string> 42 43// Pool Manager Logic 44class PoolManager 45{ 46 public: 47 PoolManager(uint32_t minAlloc, uint32_t poolSize); 48 uint32_t minAllocation() { return _minAllocation; } 49 virtual std::string printRegion() = 0; 50 virtual uint32_t regionSize(std::pair<uint32_t,uint32_t> ®ion) = 0; 51 virtual bool canAllocate(uint32_t numRegions, uint32_t size) = 0; 52 53 virtual uint32_t allocateRegion(const uint32_t size, 54 uint32_t *reserved) = 0; 55 56 virtual void freeRegion(uint32_t firstIdx, uint32_t lastIdx) = 0; 57 uint32_t poolSize() { return _poolSize; } 58 59 private: 60 // minimum size that can be reserved per allocation 61 uint32_t _minAllocation; 62 // pool size in number of elements 63 uint32_t _poolSize; 64}; 65 66#endif // __POOL_MANAGER_HH__ 67