Network.cc revision 11108
16700Snate@binkert.org/* 26700Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36700Snate@binkert.org * All rights reserved. 46700Snate@binkert.org * 56700Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66700Snate@binkert.org * modification, are permitted provided that the following conditions are 76700Snate@binkert.org * met: redistributions of source code must retain the above copyright 86700Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96700Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106700Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116700Snate@binkert.org * documentation and/or other materials provided with the distribution; 126700Snate@binkert.org * neither the name of the copyright holders nor the names of its 136700Snate@binkert.org * contributors may be used to endorse or promote products derived from 146700Snate@binkert.org * this software without specific prior written permission. 156700Snate@binkert.org * 166700Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176700Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186700Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196700Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206700Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216700Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226700Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236700Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246700Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256700Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266700Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276700Snate@binkert.org */ 286285Snate@binkert.org 297805Snilay@cs.wisc.edu#include "base/misc.hh" 309594Snilay@cs.wisc.edu#include "mem/ruby/network/BasicLink.hh" 316285Snate@binkert.org#include "mem/ruby/network/Network.hh" 3211108Sdavid.hashe@amd.com#include "mem/ruby/system/RubySystem.hh" 336285Snate@binkert.org 349275Snilay@cs.wisc.eduuint32_t Network::m_virtual_networks; 359275Snilay@cs.wisc.eduuint32_t Network::m_control_msg_size; 369275Snilay@cs.wisc.eduuint32_t Network::m_data_msg_size; 379275Snilay@cs.wisc.edu 386876Ssteve.reinhardt@amd.comNetwork::Network(const Params *p) 399465Snilay@cs.wisc.edu : ClockedObject(p) 406285Snate@binkert.org{ 416876Ssteve.reinhardt@amd.com m_virtual_networks = p->number_of_virtual_networks; 426876Ssteve.reinhardt@amd.com m_control_msg_size = p->control_msg_size; 436876Ssteve.reinhardt@amd.com 446881SBrad.Beckmann@amd.com // Total nodes/controllers in network 456881SBrad.Beckmann@amd.com // Must make sure this is called after the State Machine constructors 467054Snate@binkert.org m_nodes = MachineType_base_number(MachineType_NUM); 476881SBrad.Beckmann@amd.com assert(m_nodes != 0); 489594Snilay@cs.wisc.edu assert(m_virtual_networks != 0); 496881SBrad.Beckmann@amd.com 509594Snilay@cs.wisc.edu m_topology_ptr = new Topology(p->routers.size(), p->ext_links, 519594Snilay@cs.wisc.edu p->int_links); 5210303Snilay@cs.wisc.edu 5310303Snilay@cs.wisc.edu // Allocate to and from queues 5410303Snilay@cs.wisc.edu // Queues that are getting messages from protocol 5510303Snilay@cs.wisc.edu m_toNetQueues.resize(m_nodes); 5610303Snilay@cs.wisc.edu 5710303Snilay@cs.wisc.edu // Queues that are feeding the protocol 5810303Snilay@cs.wisc.edu m_fromNetQueues.resize(m_nodes); 5910303Snilay@cs.wisc.edu 6010303Snilay@cs.wisc.edu m_ordered.resize(m_virtual_networks); 6110303Snilay@cs.wisc.edu 6210303Snilay@cs.wisc.edu for (int i = 0; i < m_virtual_networks; i++) { 6310303Snilay@cs.wisc.edu m_ordered[i] = false; 6410303Snilay@cs.wisc.edu } 6510303Snilay@cs.wisc.edu 6610918Sbrandon.potter@amd.com params()->ruby_system->registerNetwork(this); 676881SBrad.Beckmann@amd.com 686881SBrad.Beckmann@amd.com // Initialize the controller's network pointers 699594Snilay@cs.wisc.edu for (std::vector<BasicExtLink*>::const_iterator i = p->ext_links.begin(); 709594Snilay@cs.wisc.edu i != p->ext_links.end(); ++i) { 719594Snilay@cs.wisc.edu BasicExtLink *ext_link = (*i); 729594Snilay@cs.wisc.edu AbstractController *abs_cntrl = ext_link->params()->ext_node; 739594Snilay@cs.wisc.edu abs_cntrl->initNetworkPtr(this); 749594Snilay@cs.wisc.edu } 759863Snilay@cs.wisc.edu 769863Snilay@cs.wisc.edu // Register a callback function for combining the statistics 779863Snilay@cs.wisc.edu Stats::registerDumpCallback(new StatsCallback(this)); 786285Snate@binkert.org} 796285Snate@binkert.org 8010303Snilay@cs.wisc.eduNetwork::~Network() 8110303Snilay@cs.wisc.edu{ 8210303Snilay@cs.wisc.edu for (int node = 0; node < m_nodes; node++) { 8310311Snilay@cs.wisc.edu 8410303Snilay@cs.wisc.edu // Delete the Message Buffers 8510311Snilay@cs.wisc.edu for (auto& it : m_toNetQueues[node]) { 8610370Snilay@cs.wisc.edu delete it; 8710311Snilay@cs.wisc.edu } 8810311Snilay@cs.wisc.edu 8910311Snilay@cs.wisc.edu for (auto& it : m_fromNetQueues[node]) { 9010370Snilay@cs.wisc.edu delete it; 9110303Snilay@cs.wisc.edu } 9210303Snilay@cs.wisc.edu } 9310303Snilay@cs.wisc.edu 9410303Snilay@cs.wisc.edu delete m_topology_ptr; 9510303Snilay@cs.wisc.edu} 9610303Snilay@cs.wisc.edu 977054Snate@binkert.orgvoid 987054Snate@binkert.orgNetwork::init() 996285Snate@binkert.org{ 1007054Snate@binkert.org m_data_msg_size = RubySystem::getBlockSizeBytes() + m_control_msg_size; 1016285Snate@binkert.org} 1026493STushar.Krishna@amd.com 1039275Snilay@cs.wisc.eduuint32_t 1047054Snate@binkert.orgNetwork::MessageSizeType_to_int(MessageSizeType size_type) 1056493STushar.Krishna@amd.com{ 1067054Snate@binkert.org switch(size_type) { 1077054Snate@binkert.org case MessageSizeType_Control: 1087054Snate@binkert.org case MessageSizeType_Request_Control: 1097054Snate@binkert.org case MessageSizeType_Reissue_Control: 1107054Snate@binkert.org case MessageSizeType_Response_Control: 1117054Snate@binkert.org case MessageSizeType_Writeback_Control: 1127548SBrad.Beckmann@amd.com case MessageSizeType_Broadcast_Control: 1137904SBrad.Beckmann@amd.com case MessageSizeType_Multicast_Control: 1147054Snate@binkert.org case MessageSizeType_Forwarded_Control: 1157054Snate@binkert.org case MessageSizeType_Invalidate_Control: 1167054Snate@binkert.org case MessageSizeType_Unblock_Control: 1177054Snate@binkert.org case MessageSizeType_Persistent_Control: 1187054Snate@binkert.org case MessageSizeType_Completion_Control: 1197054Snate@binkert.org return m_control_msg_size; 1207054Snate@binkert.org case MessageSizeType_Data: 1217054Snate@binkert.org case MessageSizeType_Response_Data: 1227054Snate@binkert.org case MessageSizeType_ResponseLocal_Data: 1237054Snate@binkert.org case MessageSizeType_ResponseL2hit_Data: 1247054Snate@binkert.org case MessageSizeType_Writeback_Data: 1257054Snate@binkert.org return m_data_msg_size; 1267054Snate@binkert.org default: 1277805Snilay@cs.wisc.edu panic("Invalid range for type MessageSizeType"); 1287054Snate@binkert.org break; 1297054Snate@binkert.org } 1306493STushar.Krishna@amd.com} 131