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 3412492Sodanrc@yahoo.com.br#ifndef __MEM_RUBY_NETWORK_GARNET2_0_VIRTUALCHANNEL_HH__ 3512492Sodanrc@yahoo.com.br#define __MEM_RUBY_NETWORK_GARNET2_0_VIRTUALCHANNEL_HH__ 3611666Stushar@ece.gatech.edu 3711666Stushar@ece.gatech.edu#include <utility> 3811666Stushar@ece.gatech.edu 3911666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/CommonTypes.hh" 4011666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/flitBuffer.hh" 4111666Stushar@ece.gatech.edu 4211666Stushar@ece.gatech.educlass VirtualChannel 4311666Stushar@ece.gatech.edu{ 4411666Stushar@ece.gatech.edu public: 4511666Stushar@ece.gatech.edu VirtualChannel(int id); 4611666Stushar@ece.gatech.edu ~VirtualChannel(); 4711666Stushar@ece.gatech.edu 4811666Stushar@ece.gatech.edu bool need_stage(flit_stage stage, Cycles time); 4911666Stushar@ece.gatech.edu void set_idle(Cycles curTime); 5011666Stushar@ece.gatech.edu void set_active(Cycles curTime); 5111666Stushar@ece.gatech.edu void set_outvc(int outvc) { m_output_vc = outvc; } 5211666Stushar@ece.gatech.edu inline int get_outvc() { return m_output_vc; } 5311666Stushar@ece.gatech.edu void set_outport(int outport) { m_output_port = outport; }; 5411666Stushar@ece.gatech.edu inline int get_outport() { return m_output_port; } 5511666Stushar@ece.gatech.edu 5611666Stushar@ece.gatech.edu inline Cycles get_enqueue_time() { return m_enqueue_time; } 5711666Stushar@ece.gatech.edu inline void set_enqueue_time(Cycles time) { m_enqueue_time = time; } 5811666Stushar@ece.gatech.edu inline VC_state_type get_state() { return m_vc_state.first; } 5911666Stushar@ece.gatech.edu 6011666Stushar@ece.gatech.edu inline bool isReady(Cycles curTime) 6111666Stushar@ece.gatech.edu { 6211666Stushar@ece.gatech.edu return m_input_buffer->isReady(curTime); 6311666Stushar@ece.gatech.edu } 6411666Stushar@ece.gatech.edu 6511666Stushar@ece.gatech.edu inline void 6611666Stushar@ece.gatech.edu insertFlit(flit *t_flit) 6711666Stushar@ece.gatech.edu { 6811666Stushar@ece.gatech.edu m_input_buffer->insert(t_flit); 6911666Stushar@ece.gatech.edu } 7011666Stushar@ece.gatech.edu 7111666Stushar@ece.gatech.edu inline void 7211666Stushar@ece.gatech.edu set_state(VC_state_type m_state, Cycles curTime) 7311666Stushar@ece.gatech.edu { 7411666Stushar@ece.gatech.edu m_vc_state.first = m_state; 7511666Stushar@ece.gatech.edu m_vc_state.second = curTime; 7611666Stushar@ece.gatech.edu } 7711666Stushar@ece.gatech.edu 7811666Stushar@ece.gatech.edu inline flit* 7911666Stushar@ece.gatech.edu peekTopFlit() 8011666Stushar@ece.gatech.edu { 8111666Stushar@ece.gatech.edu return m_input_buffer->peekTopFlit(); 8211666Stushar@ece.gatech.edu } 8311666Stushar@ece.gatech.edu 8411666Stushar@ece.gatech.edu inline flit* 8511666Stushar@ece.gatech.edu getTopFlit() 8611666Stushar@ece.gatech.edu { 8711666Stushar@ece.gatech.edu return m_input_buffer->getTopFlit(); 8811666Stushar@ece.gatech.edu } 8911666Stushar@ece.gatech.edu 9011666Stushar@ece.gatech.edu uint32_t functionalWrite(Packet *pkt); 9111666Stushar@ece.gatech.edu 9211666Stushar@ece.gatech.edu private: 9311666Stushar@ece.gatech.edu int m_id; 9411666Stushar@ece.gatech.edu flitBuffer *m_input_buffer; 9511666Stushar@ece.gatech.edu std::pair<VC_state_type, Cycles> m_vc_state; 9611666Stushar@ece.gatech.edu int m_output_port; 9711666Stushar@ece.gatech.edu Cycles m_enqueue_time; 9811666Stushar@ece.gatech.edu int m_output_vc; 9911666Stushar@ece.gatech.edu}; 10011666Stushar@ece.gatech.edu 10112492Sodanrc@yahoo.com.br#endif // __MEM_RUBY_NETWORK_GARNET2_0_VIRTUALCHANNEL_HH__ 102