NetworkLink.hh revision 12071
111666Stushar@ece.gatech.edu/* 211666Stushar@ece.gatech.edu * Copyright (c) 2008 Princeton University 311666Stushar@ece.gatech.edu * Copyright (c) 2016 Georgia Institute of Technology 411666Stushar@ece.gatech.edu * All rights reserved. 511666Stushar@ece.gatech.edu * 611666Stushar@ece.gatech.edu * Redistribution and use in source and binary forms, with or without 711666Stushar@ece.gatech.edu * modification, are permitted provided that the following conditions are 811666Stushar@ece.gatech.edu * met: redistributions of source code must retain the above copyright 911666Stushar@ece.gatech.edu * notice, this list of conditions and the following disclaimer; 1011666Stushar@ece.gatech.edu * redistributions in binary form must reproduce the above copyright 1111666Stushar@ece.gatech.edu * notice, this list of conditions and the following disclaimer in the 1211666Stushar@ece.gatech.edu * documentation and/or other materials provided with the distribution; 1311666Stushar@ece.gatech.edu * neither the name of the copyright holders nor the names of its 1411666Stushar@ece.gatech.edu * contributors may be used to endorse or promote products derived from 1511666Stushar@ece.gatech.edu * this software without specific prior written permission. 1611666Stushar@ece.gatech.edu * 1711666Stushar@ece.gatech.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1811666Stushar@ece.gatech.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1911666Stushar@ece.gatech.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2011666Stushar@ece.gatech.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2111666Stushar@ece.gatech.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2211666Stushar@ece.gatech.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2311666Stushar@ece.gatech.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2411666Stushar@ece.gatech.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2511666Stushar@ece.gatech.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2611666Stushar@ece.gatech.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2711666Stushar@ece.gatech.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2811666Stushar@ece.gatech.edu * 2911666Stushar@ece.gatech.edu * Authors: Niket Agarwal 3011666Stushar@ece.gatech.edu * Tushar Krishna 3111666Stushar@ece.gatech.edu */ 3211666Stushar@ece.gatech.edu 3311666Stushar@ece.gatech.edu 3411666Stushar@ece.gatech.edu#ifndef __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__ 3511666Stushar@ece.gatech.edu#define __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__ 3611666Stushar@ece.gatech.edu 3711666Stushar@ece.gatech.edu#include <iostream> 3811666Stushar@ece.gatech.edu#include <vector> 3911666Stushar@ece.gatech.edu 4011666Stushar@ece.gatech.edu#include "mem/ruby/common/Consumer.hh" 4111666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/CommonTypes.hh" 4211666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/flitBuffer.hh" 4311666Stushar@ece.gatech.edu#include "params/NetworkLink.hh" 4411666Stushar@ece.gatech.edu#include "sim/clocked_object.hh" 4511666Stushar@ece.gatech.edu 4611666Stushar@ece.gatech.educlass GarnetNetwork; 4711666Stushar@ece.gatech.edu 4811666Stushar@ece.gatech.educlass NetworkLink : public ClockedObject, public Consumer 4911666Stushar@ece.gatech.edu{ 5011666Stushar@ece.gatech.edu public: 5111666Stushar@ece.gatech.edu typedef NetworkLinkParams Params; 5211666Stushar@ece.gatech.edu NetworkLink(const Params *p); 5311666Stushar@ece.gatech.edu ~NetworkLink(); 5411666Stushar@ece.gatech.edu 5511666Stushar@ece.gatech.edu void setLinkConsumer(Consumer *consumer); 5611666Stushar@ece.gatech.edu void setSourceQueue(flitBuffer *srcQueue); 5711666Stushar@ece.gatech.edu void setType(link_type type) { m_type = type; } 5811666Stushar@ece.gatech.edu link_type getType() { return m_type; } 5911666Stushar@ece.gatech.edu void print(std::ostream& out) const {} 6011666Stushar@ece.gatech.edu int get_id() const { return m_id; } 6111666Stushar@ece.gatech.edu void wakeup(); 6211666Stushar@ece.gatech.edu 6311666Stushar@ece.gatech.edu unsigned int getLinkUtilization() const { return m_link_utilized; } 6411666Stushar@ece.gatech.edu const std::vector<unsigned int> & getVcLoad() const { return m_vc_load; } 6511666Stushar@ece.gatech.edu 6611666Stushar@ece.gatech.edu inline bool isReady(Cycles curTime) 6711666Stushar@ece.gatech.edu { return linkBuffer->isReady(curTime); } 6811666Stushar@ece.gatech.edu 6911666Stushar@ece.gatech.edu inline flit* peekLink() { return linkBuffer->peekTopFlit(); } 7011666Stushar@ece.gatech.edu inline flit* consumeLink() { return linkBuffer->getTopFlit(); } 7111666Stushar@ece.gatech.edu 7211666Stushar@ece.gatech.edu uint32_t functionalWrite(Packet *); 7312071Sjavier.cano555@gmail.com void resetStats(); 7411666Stushar@ece.gatech.edu 7511666Stushar@ece.gatech.edu private: 7611666Stushar@ece.gatech.edu const int m_id; 7711666Stushar@ece.gatech.edu link_type m_type; 7811666Stushar@ece.gatech.edu const Cycles m_latency; 7911666Stushar@ece.gatech.edu 8011666Stushar@ece.gatech.edu flitBuffer *linkBuffer; 8111666Stushar@ece.gatech.edu Consumer *link_consumer; 8211666Stushar@ece.gatech.edu flitBuffer *link_srcQueue; 8311666Stushar@ece.gatech.edu 8411666Stushar@ece.gatech.edu // Statistical variables 8511666Stushar@ece.gatech.edu unsigned int m_link_utilized; 8611666Stushar@ece.gatech.edu std::vector<unsigned int> m_vc_load; 8711666Stushar@ece.gatech.edu}; 8811666Stushar@ece.gatech.edu 8911666Stushar@ece.gatech.edu#endif // __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__ 90