InputUnit.hh revision 11666
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_INPUT_UNIT_HH__ 3511666Stushar@ece.gatech.edu#define __MEM_RUBY_NETWORK_GARNET_INPUT_UNIT_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/CreditLink.hh" 4311666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/NetworkLink.hh" 4411666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/Router.hh" 4511666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/VirtualChannel.hh" 4611666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/flitBuffer.hh" 4711666Stushar@ece.gatech.edu 4811666Stushar@ece.gatech.educlass InputUnit : public Consumer 4911666Stushar@ece.gatech.edu{ 5011666Stushar@ece.gatech.edu public: 5111666Stushar@ece.gatech.edu InputUnit(int id, PortDirection direction, Router *router); 5211666Stushar@ece.gatech.edu ~InputUnit(); 5311666Stushar@ece.gatech.edu 5411666Stushar@ece.gatech.edu void wakeup(); 5511666Stushar@ece.gatech.edu void print(std::ostream& out) const {}; 5611666Stushar@ece.gatech.edu 5711666Stushar@ece.gatech.edu inline PortDirection get_direction() { return m_direction; } 5811666Stushar@ece.gatech.edu 5911666Stushar@ece.gatech.edu inline void 6011666Stushar@ece.gatech.edu set_vc_idle(int vc, Cycles curTime) 6111666Stushar@ece.gatech.edu { 6211666Stushar@ece.gatech.edu m_vcs[vc]->set_idle(curTime); 6311666Stushar@ece.gatech.edu } 6411666Stushar@ece.gatech.edu 6511666Stushar@ece.gatech.edu inline void 6611666Stushar@ece.gatech.edu set_vc_active(int vc, Cycles curTime) 6711666Stushar@ece.gatech.edu { 6811666Stushar@ece.gatech.edu m_vcs[vc]->set_active(curTime); 6911666Stushar@ece.gatech.edu } 7011666Stushar@ece.gatech.edu 7111666Stushar@ece.gatech.edu inline void 7211666Stushar@ece.gatech.edu grant_outport(int vc, int outport) 7311666Stushar@ece.gatech.edu { 7411666Stushar@ece.gatech.edu m_vcs[vc]->set_outport(outport); 7511666Stushar@ece.gatech.edu } 7611666Stushar@ece.gatech.edu 7711666Stushar@ece.gatech.edu inline void 7811666Stushar@ece.gatech.edu grant_outvc(int vc, int outvc) 7911666Stushar@ece.gatech.edu { 8011666Stushar@ece.gatech.edu m_vcs[vc]->set_outvc(outvc); 8111666Stushar@ece.gatech.edu } 8211666Stushar@ece.gatech.edu 8311666Stushar@ece.gatech.edu inline int 8411666Stushar@ece.gatech.edu get_outport(int invc) 8511666Stushar@ece.gatech.edu { 8611666Stushar@ece.gatech.edu return m_vcs[invc]->get_outport(); 8711666Stushar@ece.gatech.edu } 8811666Stushar@ece.gatech.edu 8911666Stushar@ece.gatech.edu inline int 9011666Stushar@ece.gatech.edu get_outvc(int invc) 9111666Stushar@ece.gatech.edu { 9211666Stushar@ece.gatech.edu return m_vcs[invc]->get_outvc(); 9311666Stushar@ece.gatech.edu } 9411666Stushar@ece.gatech.edu 9511666Stushar@ece.gatech.edu inline Cycles 9611666Stushar@ece.gatech.edu get_enqueue_time(int invc) 9711666Stushar@ece.gatech.edu { 9811666Stushar@ece.gatech.edu return m_vcs[invc]->get_enqueue_time(); 9911666Stushar@ece.gatech.edu } 10011666Stushar@ece.gatech.edu 10111666Stushar@ece.gatech.edu void increment_credit(int in_vc, bool free_signal, Cycles curTime); 10211666Stushar@ece.gatech.edu 10311666Stushar@ece.gatech.edu inline flit* 10411666Stushar@ece.gatech.edu peekTopFlit(int vc) 10511666Stushar@ece.gatech.edu { 10611666Stushar@ece.gatech.edu return m_vcs[vc]->peekTopFlit(); 10711666Stushar@ece.gatech.edu } 10811666Stushar@ece.gatech.edu 10911666Stushar@ece.gatech.edu inline flit* 11011666Stushar@ece.gatech.edu getTopFlit(int vc) 11111666Stushar@ece.gatech.edu { 11211666Stushar@ece.gatech.edu return m_vcs[vc]->getTopFlit(); 11311666Stushar@ece.gatech.edu } 11411666Stushar@ece.gatech.edu 11511666Stushar@ece.gatech.edu inline bool 11611666Stushar@ece.gatech.edu need_stage(int vc, flit_stage stage, Cycles time) 11711666Stushar@ece.gatech.edu { 11811666Stushar@ece.gatech.edu return m_vcs[vc]->need_stage(stage, time); 11911666Stushar@ece.gatech.edu } 12011666Stushar@ece.gatech.edu 12111666Stushar@ece.gatech.edu inline bool 12211666Stushar@ece.gatech.edu isReady(int invc, Cycles curTime) 12311666Stushar@ece.gatech.edu { 12411666Stushar@ece.gatech.edu return m_vcs[invc]->isReady(curTime); 12511666Stushar@ece.gatech.edu } 12611666Stushar@ece.gatech.edu 12711666Stushar@ece.gatech.edu flitBuffer* getCreditQueue() { return creditQueue; } 12811666Stushar@ece.gatech.edu 12911666Stushar@ece.gatech.edu inline void 13011666Stushar@ece.gatech.edu set_in_link(NetworkLink *link) 13111666Stushar@ece.gatech.edu { 13211666Stushar@ece.gatech.edu m_in_link = link; 13311666Stushar@ece.gatech.edu } 13411666Stushar@ece.gatech.edu 13511666Stushar@ece.gatech.edu inline int get_inlink_id() { return m_in_link->get_id(); } 13611666Stushar@ece.gatech.edu 13711666Stushar@ece.gatech.edu inline void 13811666Stushar@ece.gatech.edu set_credit_link(CreditLink *credit_link) 13911666Stushar@ece.gatech.edu { 14011666Stushar@ece.gatech.edu m_credit_link = credit_link; 14111666Stushar@ece.gatech.edu } 14211666Stushar@ece.gatech.edu 14311666Stushar@ece.gatech.edu double get_buf_read_activity(unsigned int vnet) const 14411666Stushar@ece.gatech.edu { return m_num_buffer_reads[vnet]; } 14511666Stushar@ece.gatech.edu double get_buf_write_activity(unsigned int vnet) const 14611666Stushar@ece.gatech.edu { return m_num_buffer_writes[vnet]; } 14711666Stushar@ece.gatech.edu 14811666Stushar@ece.gatech.edu uint32_t functionalWrite(Packet *pkt); 14911666Stushar@ece.gatech.edu void resetStats(); 15011666Stushar@ece.gatech.edu 15111666Stushar@ece.gatech.edu private: 15211666Stushar@ece.gatech.edu int m_id; 15311666Stushar@ece.gatech.edu PortDirection m_direction; 15411666Stushar@ece.gatech.edu int m_num_vcs; 15511666Stushar@ece.gatech.edu int m_vc_per_vnet; 15611666Stushar@ece.gatech.edu 15711666Stushar@ece.gatech.edu Router *m_router; 15811666Stushar@ece.gatech.edu NetworkLink *m_in_link; 15911666Stushar@ece.gatech.edu CreditLink *m_credit_link; 16011666Stushar@ece.gatech.edu flitBuffer *creditQueue; 16111666Stushar@ece.gatech.edu 16211666Stushar@ece.gatech.edu // Input Virtual channels 16311666Stushar@ece.gatech.edu std::vector<VirtualChannel *> m_vcs; 16411666Stushar@ece.gatech.edu 16511666Stushar@ece.gatech.edu // Statistical variables 16611666Stushar@ece.gatech.edu std::vector<double> m_num_buffer_writes; 16711666Stushar@ece.gatech.edu std::vector<double> m_num_buffer_reads; 16811666Stushar@ece.gatech.edu}; 16911666Stushar@ece.gatech.edu 17011666Stushar@ece.gatech.edu#endif // __MEM_RUBY_NETWORK_GARNET_INPUT_UNIT_HH__ 171