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_SWITCHALLOCATOR_HH__ 3512492Sodanrc@yahoo.com.br#define __MEM_RUBY_NETWORK_GARNET2_0_SWITCHALLOCATOR_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 4311666Stushar@ece.gatech.educlass Router; 4411666Stushar@ece.gatech.educlass InputUnit; 4511666Stushar@ece.gatech.educlass OutputUnit; 4611666Stushar@ece.gatech.edu 4711666Stushar@ece.gatech.educlass SwitchAllocator : public Consumer 4811666Stushar@ece.gatech.edu{ 4911666Stushar@ece.gatech.edu public: 5011666Stushar@ece.gatech.edu SwitchAllocator(Router *router); 5111666Stushar@ece.gatech.edu void wakeup(); 5211666Stushar@ece.gatech.edu void init(); 5311666Stushar@ece.gatech.edu void clear_request_vector(); 5411666Stushar@ece.gatech.edu void check_for_wakeup(); 5511666Stushar@ece.gatech.edu int get_vnet (int invc); 5611666Stushar@ece.gatech.edu void print(std::ostream& out) const {}; 5711666Stushar@ece.gatech.edu void arbitrate_inports(); 5811666Stushar@ece.gatech.edu void arbitrate_outports(); 5911666Stushar@ece.gatech.edu bool send_allowed(int inport, int invc, int outport, int outvc); 6011666Stushar@ece.gatech.edu int vc_allocate(int outport, int inport, int invc); 6111666Stushar@ece.gatech.edu 6211666Stushar@ece.gatech.edu inline double 6311666Stushar@ece.gatech.edu get_input_arbiter_activity() 6411666Stushar@ece.gatech.edu { 6511666Stushar@ece.gatech.edu return m_input_arbiter_activity; 6611666Stushar@ece.gatech.edu } 6711666Stushar@ece.gatech.edu inline double 6811666Stushar@ece.gatech.edu get_output_arbiter_activity() 6911666Stushar@ece.gatech.edu { 7011666Stushar@ece.gatech.edu return m_output_arbiter_activity; 7111666Stushar@ece.gatech.edu } 7211666Stushar@ece.gatech.edu 7312071Sjavier.cano555@gmail.com void resetStats(); 7412071Sjavier.cano555@gmail.com 7511666Stushar@ece.gatech.edu private: 7611666Stushar@ece.gatech.edu int m_num_inports, m_num_outports; 7711666Stushar@ece.gatech.edu int m_num_vcs, m_vc_per_vnet; 7811666Stushar@ece.gatech.edu 7911666Stushar@ece.gatech.edu double m_input_arbiter_activity, m_output_arbiter_activity; 8011666Stushar@ece.gatech.edu 8111666Stushar@ece.gatech.edu Router *m_router; 8211666Stushar@ece.gatech.edu std::vector<int> m_round_robin_invc; 8311666Stushar@ece.gatech.edu std::vector<int> m_round_robin_inport; 8411666Stushar@ece.gatech.edu std::vector<std::vector<bool>> m_port_requests; 8511666Stushar@ece.gatech.edu std::vector<std::vector<int>> m_vc_winners; // a list for each outport 8611666Stushar@ece.gatech.edu std::vector<InputUnit *> m_input_unit; 8711666Stushar@ece.gatech.edu std::vector<OutputUnit *> m_output_unit; 8811666Stushar@ece.gatech.edu}; 8911666Stushar@ece.gatech.edu 9012492Sodanrc@yahoo.com.br#endif // __MEM_RUBY_NETWORK_GARNET2_0_SWITCHALLOCATOR_HH__ 91