SimpleNetwork.hh revision 9858
16145Snate@binkert.org/* 26145Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36145Snate@binkert.org * All rights reserved. 46145Snate@binkert.org * 56145Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66145Snate@binkert.org * modification, are permitted provided that the following conditions are 76145Snate@binkert.org * met: redistributions of source code must retain the above copyright 86145Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96145Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106145Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116145Snate@binkert.org * documentation and/or other materials provided with the distribution; 126145Snate@binkert.org * neither the name of the copyright holders nor the names of its 136145Snate@binkert.org * contributors may be used to endorse or promote products derived from 146145Snate@binkert.org * this software without specific prior written permission. 156145Snate@binkert.org * 166145Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176145Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186145Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196145Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206145Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216145Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226145Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236145Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246145Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256145Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266145Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276145Snate@binkert.org */ 286145Snate@binkert.org 297054Snate@binkert.org#ifndef __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__ 307054Snate@binkert.org#define __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__ 316145Snate@binkert.org 327055Snate@binkert.org#include <iostream> 337454Snate@binkert.org#include <vector> 347055Snate@binkert.org 356154Snate@binkert.org#include "mem/ruby/common/Global.hh" 366154Snate@binkert.org#include "mem/ruby/network/Network.hh" 377054Snate@binkert.org#include "params/SimpleNetwork.hh" 386876Ssteve.reinhardt@amd.com#include "sim/sim_object.hh" 396145Snate@binkert.org 406145Snate@binkert.orgclass NetDest; 416145Snate@binkert.orgclass MessageBuffer; 426145Snate@binkert.orgclass Throttle; 436145Snate@binkert.orgclass Switch; 446145Snate@binkert.orgclass Topology; 456145Snate@binkert.org 467054Snate@binkert.orgclass SimpleNetwork : public Network 477054Snate@binkert.org{ 487054Snate@binkert.org public: 496876Ssteve.reinhardt@amd.com typedef SimpleNetworkParams Params; 506876Ssteve.reinhardt@amd.com SimpleNetwork(const Params *p); 517054Snate@binkert.org ~SimpleNetwork(); 526145Snate@binkert.org 537054Snate@binkert.org void init(); 546145Snate@binkert.org 558259SBrad.Beckmann@amd.com int getBufferSize() { return m_buffer_size; } 568259SBrad.Beckmann@amd.com int getEndpointBandwidth() { return m_endpoint_bandwidth; } 578259SBrad.Beckmann@amd.com bool getAdaptiveRouting() {return m_adaptive_routing; } 588259SBrad.Beckmann@amd.com 597055Snate@binkert.org void printStats(std::ostream& out) const; 607054Snate@binkert.org void clearStats(); 617054Snate@binkert.org void reset(); 626145Snate@binkert.org 637054Snate@binkert.org // returns the queue requested for the given component 648308Stushar@csail.mit.edu MessageBuffer* getToNetQueue(NodeID id, bool ordered, int network_num, std::string vnet_type); 658308Stushar@csail.mit.edu MessageBuffer* getFromNetQueue(NodeID id, bool ordered, int network_num, std::string vnet_type); 667454Snate@binkert.org virtual const std::vector<Throttle*>* getThrottles(NodeID id) const; 676145Snate@binkert.org 687054Snate@binkert.org bool isVNetOrdered(int vnet) { return m_ordered[vnet]; } 697054Snate@binkert.org bool validVirtualNetwork(int vnet) { return m_in_use[vnet]; } 706145Snate@binkert.org 717054Snate@binkert.org int getNumNodes() {return m_nodes; } 726145Snate@binkert.org 737054Snate@binkert.org // Methods used by Topology to setup the network 748257SBrad.Beckmann@amd.com void makeOutLink(SwitchID src, NodeID dest, BasicLink* link, 758257SBrad.Beckmann@amd.com LinkDirection direction, 769799Snilay@cs.wisc.edu const NetDest& routing_table_entry); 779799Snilay@cs.wisc.edu void makeInLink(NodeID src, SwitchID dest, BasicLink* link, 788257SBrad.Beckmann@amd.com LinkDirection direction, 799799Snilay@cs.wisc.edu const NetDest& routing_table_entry); 808257SBrad.Beckmann@amd.com void makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link, 818257SBrad.Beckmann@amd.com LinkDirection direction, 829799Snilay@cs.wisc.edu const NetDest& routing_table_entry); 836145Snate@binkert.org 847055Snate@binkert.org void print(std::ostream& out) const; 856145Snate@binkert.org 869302Snilay@cs.wisc.edu bool functionalRead(Packet *pkt); 879302Snilay@cs.wisc.edu uint32_t functionalWrite(Packet *pkt); 889302Snilay@cs.wisc.edu 897054Snate@binkert.org private: 907054Snate@binkert.org void checkNetworkAllocation(NodeID id, bool ordered, int network_num); 917054Snate@binkert.org void addLink(SwitchID src, SwitchID dest, int link_latency); 927054Snate@binkert.org void makeLink(SwitchID src, SwitchID dest, 937054Snate@binkert.org const NetDest& routing_table_entry, int link_latency); 947054Snate@binkert.org SwitchID createSwitch(); 957054Snate@binkert.org void makeTopology(); 967054Snate@binkert.org void linkTopology(); 976145Snate@binkert.org 987054Snate@binkert.org // Private copy constructor and assignment operator 997054Snate@binkert.org SimpleNetwork(const SimpleNetwork& obj); 1007054Snate@binkert.org SimpleNetwork& operator=(const SimpleNetwork& obj); 1016145Snate@binkert.org 1027054Snate@binkert.org // vector of queues from the components 1037454Snate@binkert.org std::vector<std::vector<MessageBuffer*> > m_toNetQueues; 1047454Snate@binkert.org std::vector<std::vector<MessageBuffer*> > m_fromNetQueues; 1056145Snate@binkert.org 1067454Snate@binkert.org std::vector<bool> m_in_use; 1077454Snate@binkert.org std::vector<bool> m_ordered; 1089858Snilay@cs.wisc.edu std::vector<Switch*> m_switches; 1097454Snate@binkert.org std::vector<MessageBuffer*> m_buffers_to_free; 1107454Snate@binkert.org std::vector<Switch*> m_endpoint_switches; 1118259SBrad.Beckmann@amd.com 1128259SBrad.Beckmann@amd.com int m_buffer_size; 1138259SBrad.Beckmann@amd.com int m_endpoint_bandwidth; 1148259SBrad.Beckmann@amd.com bool m_adaptive_routing; 1156145Snate@binkert.org}; 1166145Snate@binkert.org 1177055Snate@binkert.orginline std::ostream& 1187055Snate@binkert.orgoperator<<(std::ostream& out, const SimpleNetwork& obj) 1196145Snate@binkert.org{ 1207054Snate@binkert.org obj.print(out); 1217055Snate@binkert.org out << std::flush; 1227054Snate@binkert.org return out; 1236145Snate@binkert.org} 1246145Snate@binkert.org 1257054Snate@binkert.org#endif // __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__ 126