Network.cc revision 10303
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" 328645Snilay@cs.wisc.edu#include "mem/ruby/system/System.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 for (int node = 0; node < m_nodes; node++) { 6110303Snilay@cs.wisc.edu // Setting number of virtual message buffers per Network Queue 6210303Snilay@cs.wisc.edu m_toNetQueues[node].resize(m_virtual_networks); 6310303Snilay@cs.wisc.edu m_fromNetQueues[node].resize(m_virtual_networks); 6410303Snilay@cs.wisc.edu 6510303Snilay@cs.wisc.edu // Instantiating the Message Buffers that 6610303Snilay@cs.wisc.edu // interact with the coherence protocol 6710303Snilay@cs.wisc.edu for (int j = 0; j < m_virtual_networks; j++) { 6810303Snilay@cs.wisc.edu m_toNetQueues[node][j] = new MessageBuffer(); 6910303Snilay@cs.wisc.edu m_fromNetQueues[node][j] = new MessageBuffer(); 7010303Snilay@cs.wisc.edu } 7110303Snilay@cs.wisc.edu } 7210303Snilay@cs.wisc.edu 7310303Snilay@cs.wisc.edu m_in_use.resize(m_virtual_networks); 7410303Snilay@cs.wisc.edu m_ordered.resize(m_virtual_networks); 7510303Snilay@cs.wisc.edu 7610303Snilay@cs.wisc.edu for (int i = 0; i < m_virtual_networks; i++) { 7710303Snilay@cs.wisc.edu m_in_use[i] = false; 7810303Snilay@cs.wisc.edu m_ordered[i] = false; 7910303Snilay@cs.wisc.edu } 8010303Snilay@cs.wisc.edu 819594Snilay@cs.wisc.edu p->ruby_system->registerNetwork(this); 826881SBrad.Beckmann@amd.com 836881SBrad.Beckmann@amd.com // Initialize the controller's network pointers 849594Snilay@cs.wisc.edu for (std::vector<BasicExtLink*>::const_iterator i = p->ext_links.begin(); 859594Snilay@cs.wisc.edu i != p->ext_links.end(); ++i) { 869594Snilay@cs.wisc.edu BasicExtLink *ext_link = (*i); 879594Snilay@cs.wisc.edu AbstractController *abs_cntrl = ext_link->params()->ext_node; 889594Snilay@cs.wisc.edu abs_cntrl->initNetworkPtr(this); 899594Snilay@cs.wisc.edu } 909863Snilay@cs.wisc.edu 919863Snilay@cs.wisc.edu // Register a callback function for combining the statistics 929863Snilay@cs.wisc.edu Stats::registerDumpCallback(new StatsCallback(this)); 936285Snate@binkert.org} 946285Snate@binkert.org 9510303Snilay@cs.wisc.eduNetwork::~Network() 9610303Snilay@cs.wisc.edu{ 9710303Snilay@cs.wisc.edu for (int node = 0; node < m_nodes; node++) { 9810303Snilay@cs.wisc.edu // Delete the Message Buffers 9910303Snilay@cs.wisc.edu for (int j = 0; j < m_virtual_networks; j++) { 10010303Snilay@cs.wisc.edu delete m_toNetQueues[node][j]; 10110303Snilay@cs.wisc.edu delete m_fromNetQueues[node][j]; 10210303Snilay@cs.wisc.edu } 10310303Snilay@cs.wisc.edu } 10410303Snilay@cs.wisc.edu 10510303Snilay@cs.wisc.edu delete m_topology_ptr; 10610303Snilay@cs.wisc.edu} 10710303Snilay@cs.wisc.edu 1087054Snate@binkert.orgvoid 1097054Snate@binkert.orgNetwork::init() 1106285Snate@binkert.org{ 1117054Snate@binkert.org m_data_msg_size = RubySystem::getBlockSizeBytes() + m_control_msg_size; 1126285Snate@binkert.org} 1136493STushar.Krishna@amd.com 1149275Snilay@cs.wisc.eduuint32_t 1157054Snate@binkert.orgNetwork::MessageSizeType_to_int(MessageSizeType size_type) 1166493STushar.Krishna@amd.com{ 1177054Snate@binkert.org switch(size_type) { 1187054Snate@binkert.org case MessageSizeType_Control: 1197054Snate@binkert.org case MessageSizeType_Request_Control: 1207054Snate@binkert.org case MessageSizeType_Reissue_Control: 1217054Snate@binkert.org case MessageSizeType_Response_Control: 1227054Snate@binkert.org case MessageSizeType_Writeback_Control: 1237548SBrad.Beckmann@amd.com case MessageSizeType_Broadcast_Control: 1247904SBrad.Beckmann@amd.com case MessageSizeType_Multicast_Control: 1257054Snate@binkert.org case MessageSizeType_Forwarded_Control: 1267054Snate@binkert.org case MessageSizeType_Invalidate_Control: 1277054Snate@binkert.org case MessageSizeType_Unblock_Control: 1287054Snate@binkert.org case MessageSizeType_Persistent_Control: 1297054Snate@binkert.org case MessageSizeType_Completion_Control: 1307054Snate@binkert.org return m_control_msg_size; 1317054Snate@binkert.org case MessageSizeType_Data: 1327054Snate@binkert.org case MessageSizeType_Response_Data: 1337054Snate@binkert.org case MessageSizeType_ResponseLocal_Data: 1347054Snate@binkert.org case MessageSizeType_ResponseL2hit_Data: 1357054Snate@binkert.org case MessageSizeType_Writeback_Data: 1367054Snate@binkert.org return m_data_msg_size; 1377054Snate@binkert.org default: 1387805Snilay@cs.wisc.edu panic("Invalid range for type MessageSizeType"); 1397054Snate@binkert.org break; 1407054Snate@binkert.org } 1416493STushar.Krishna@amd.com} 142