Network.cc revision 11793
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 2911793Sbrandon.potter@amd.com#include "mem/ruby/network/Network.hh" 3011793Sbrandon.potter@amd.com 317805Snilay@cs.wisc.edu#include "base/misc.hh" 329594Snilay@cs.wisc.edu#include "mem/ruby/network/BasicLink.hh" 3311108Sdavid.hashe@amd.com#include "mem/ruby/system/RubySystem.hh" 346285Snate@binkert.org 359275Snilay@cs.wisc.eduuint32_t Network::m_virtual_networks; 369275Snilay@cs.wisc.eduuint32_t Network::m_control_msg_size; 379275Snilay@cs.wisc.eduuint32_t Network::m_data_msg_size; 389275Snilay@cs.wisc.edu 396876Ssteve.reinhardt@amd.comNetwork::Network(const Params *p) 409465Snilay@cs.wisc.edu : ClockedObject(p) 416285Snate@binkert.org{ 426876Ssteve.reinhardt@amd.com m_virtual_networks = p->number_of_virtual_networks; 436876Ssteve.reinhardt@amd.com m_control_msg_size = p->control_msg_size; 446876Ssteve.reinhardt@amd.com 456881SBrad.Beckmann@amd.com // Total nodes/controllers in network 466881SBrad.Beckmann@amd.com // Must make sure this is called after the State Machine constructors 477054Snate@binkert.org m_nodes = MachineType_base_number(MachineType_NUM); 486881SBrad.Beckmann@amd.com assert(m_nodes != 0); 499594Snilay@cs.wisc.edu assert(m_virtual_networks != 0); 506881SBrad.Beckmann@amd.com 519594Snilay@cs.wisc.edu m_topology_ptr = new Topology(p->routers.size(), p->ext_links, 529594Snilay@cs.wisc.edu p->int_links); 5310303Snilay@cs.wisc.edu 5410303Snilay@cs.wisc.edu // Allocate to and from queues 5510303Snilay@cs.wisc.edu // Queues that are getting messages from protocol 5610303Snilay@cs.wisc.edu m_toNetQueues.resize(m_nodes); 5710303Snilay@cs.wisc.edu 5810303Snilay@cs.wisc.edu // Queues that are feeding the protocol 5910303Snilay@cs.wisc.edu m_fromNetQueues.resize(m_nodes); 6010303Snilay@cs.wisc.edu 6110303Snilay@cs.wisc.edu m_ordered.resize(m_virtual_networks); 6211113Sjoe.gross@amd.com m_vnet_type_names.resize(m_virtual_networks); 6310303Snilay@cs.wisc.edu 6410303Snilay@cs.wisc.edu for (int i = 0; i < m_virtual_networks; i++) { 6510303Snilay@cs.wisc.edu m_ordered[i] = false; 6610303Snilay@cs.wisc.edu } 6710303Snilay@cs.wisc.edu 6810918Sbrandon.potter@amd.com params()->ruby_system->registerNetwork(this); 696881SBrad.Beckmann@amd.com 706881SBrad.Beckmann@amd.com // Initialize the controller's network pointers 719594Snilay@cs.wisc.edu for (std::vector<BasicExtLink*>::const_iterator i = p->ext_links.begin(); 729594Snilay@cs.wisc.edu i != p->ext_links.end(); ++i) { 739594Snilay@cs.wisc.edu BasicExtLink *ext_link = (*i); 749594Snilay@cs.wisc.edu AbstractController *abs_cntrl = ext_link->params()->ext_node; 759594Snilay@cs.wisc.edu abs_cntrl->initNetworkPtr(this); 769594Snilay@cs.wisc.edu } 779863Snilay@cs.wisc.edu 789863Snilay@cs.wisc.edu // Register a callback function for combining the statistics 799863Snilay@cs.wisc.edu Stats::registerDumpCallback(new StatsCallback(this)); 8011113Sjoe.gross@amd.com 8111113Sjoe.gross@amd.com for (auto &it : dynamic_cast<Network *>(this)->params()->ext_links) { 8211113Sjoe.gross@amd.com it->params()->ext_node->initNetQueues(); 8311113Sjoe.gross@amd.com } 846285Snate@binkert.org} 856285Snate@binkert.org 8610303Snilay@cs.wisc.eduNetwork::~Network() 8710303Snilay@cs.wisc.edu{ 8810303Snilay@cs.wisc.edu for (int node = 0; node < m_nodes; node++) { 8910311Snilay@cs.wisc.edu 9010303Snilay@cs.wisc.edu // Delete the Message Buffers 9110311Snilay@cs.wisc.edu for (auto& it : m_toNetQueues[node]) { 9210370Snilay@cs.wisc.edu delete it; 9310311Snilay@cs.wisc.edu } 9410311Snilay@cs.wisc.edu 9510311Snilay@cs.wisc.edu for (auto& it : m_fromNetQueues[node]) { 9610370Snilay@cs.wisc.edu delete it; 9710303Snilay@cs.wisc.edu } 9810303Snilay@cs.wisc.edu } 9910303Snilay@cs.wisc.edu 10010303Snilay@cs.wisc.edu delete m_topology_ptr; 10110303Snilay@cs.wisc.edu} 10210303Snilay@cs.wisc.edu 1037054Snate@binkert.orgvoid 1047054Snate@binkert.orgNetwork::init() 1056285Snate@binkert.org{ 1067054Snate@binkert.org m_data_msg_size = RubySystem::getBlockSizeBytes() + m_control_msg_size; 1076285Snate@binkert.org} 1086493STushar.Krishna@amd.com 1099275Snilay@cs.wisc.eduuint32_t 1107054Snate@binkert.orgNetwork::MessageSizeType_to_int(MessageSizeType size_type) 1116493STushar.Krishna@amd.com{ 1127054Snate@binkert.org switch(size_type) { 1137054Snate@binkert.org case MessageSizeType_Control: 1147054Snate@binkert.org case MessageSizeType_Request_Control: 1157054Snate@binkert.org case MessageSizeType_Reissue_Control: 1167054Snate@binkert.org case MessageSizeType_Response_Control: 1177054Snate@binkert.org case MessageSizeType_Writeback_Control: 1187548SBrad.Beckmann@amd.com case MessageSizeType_Broadcast_Control: 1197904SBrad.Beckmann@amd.com case MessageSizeType_Multicast_Control: 1207054Snate@binkert.org case MessageSizeType_Forwarded_Control: 1217054Snate@binkert.org case MessageSizeType_Invalidate_Control: 1227054Snate@binkert.org case MessageSizeType_Unblock_Control: 1237054Snate@binkert.org case MessageSizeType_Persistent_Control: 1247054Snate@binkert.org case MessageSizeType_Completion_Control: 1257054Snate@binkert.org return m_control_msg_size; 1267054Snate@binkert.org case MessageSizeType_Data: 1277054Snate@binkert.org case MessageSizeType_Response_Data: 1287054Snate@binkert.org case MessageSizeType_ResponseLocal_Data: 1297054Snate@binkert.org case MessageSizeType_ResponseL2hit_Data: 1307054Snate@binkert.org case MessageSizeType_Writeback_Data: 1317054Snate@binkert.org return m_data_msg_size; 1327054Snate@binkert.org default: 1337805Snilay@cs.wisc.edu panic("Invalid range for type MessageSizeType"); 1347054Snate@binkert.org break; 1357054Snate@binkert.org } 1366493STushar.Krishna@amd.com} 13711113Sjoe.gross@amd.com 13811113Sjoe.gross@amd.comvoid 13911113Sjoe.gross@amd.comNetwork::checkNetworkAllocation(NodeID id, bool ordered, 14011113Sjoe.gross@amd.com int network_num, 14111113Sjoe.gross@amd.com std::string vnet_type) 14211113Sjoe.gross@amd.com{ 14311113Sjoe.gross@amd.com fatal_if(id >= m_nodes, "Node ID is out of range"); 14411113Sjoe.gross@amd.com fatal_if(network_num >= m_virtual_networks, "Network id is out of range"); 14511113Sjoe.gross@amd.com 14611113Sjoe.gross@amd.com if (ordered) { 14711113Sjoe.gross@amd.com m_ordered[network_num] = true; 14811113Sjoe.gross@amd.com } 14911113Sjoe.gross@amd.com 15011113Sjoe.gross@amd.com m_vnet_type_names[network_num] = vnet_type; 15111113Sjoe.gross@amd.com} 15211113Sjoe.gross@amd.com 15311113Sjoe.gross@amd.com 15411113Sjoe.gross@amd.comvoid 15511113Sjoe.gross@amd.comNetwork::setToNetQueue(NodeID id, bool ordered, int network_num, 15611113Sjoe.gross@amd.com std::string vnet_type, MessageBuffer *b) 15711113Sjoe.gross@amd.com{ 15811113Sjoe.gross@amd.com checkNetworkAllocation(id, ordered, network_num, vnet_type); 15911113Sjoe.gross@amd.com while (m_toNetQueues[id].size() <= network_num) { 16011113Sjoe.gross@amd.com m_toNetQueues[id].push_back(nullptr); 16111113Sjoe.gross@amd.com } 16211113Sjoe.gross@amd.com m_toNetQueues[id][network_num] = b; 16311113Sjoe.gross@amd.com} 16411113Sjoe.gross@amd.com 16511113Sjoe.gross@amd.comvoid 16611113Sjoe.gross@amd.comNetwork::setFromNetQueue(NodeID id, bool ordered, int network_num, 16711113Sjoe.gross@amd.com std::string vnet_type, MessageBuffer *b) 16811113Sjoe.gross@amd.com{ 16911113Sjoe.gross@amd.com checkNetworkAllocation(id, ordered, network_num, vnet_type); 17011113Sjoe.gross@amd.com while (m_fromNetQueues[id].size() <= network_num) { 17111113Sjoe.gross@amd.com m_fromNetQueues[id].push_back(nullptr); 17211113Sjoe.gross@amd.com } 17311113Sjoe.gross@amd.com m_fromNetQueues[id][network_num] = b; 17411113Sjoe.gross@amd.com} 175