SimpleNetwork.hh revision 8608:02d7ac5fb855
1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#ifndef __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__ 30#define __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__ 31 32#include <iostream> 33#include <vector> 34 35#include "mem/ruby/common/Global.hh" 36#include "mem/ruby/network/Network.hh" 37#include "params/SimpleNetwork.hh" 38#include "sim/sim_object.hh" 39 40class NetDest; 41class MessageBuffer; 42class Throttle; 43class Switch; 44class Topology; 45 46class SimpleNetwork : public Network 47{ 48 public: 49 typedef SimpleNetworkParams Params; 50 SimpleNetwork(const Params *p); 51 ~SimpleNetwork(); 52 53 void init(); 54 55 int getBufferSize() { return m_buffer_size; } 56 int getEndpointBandwidth() { return m_endpoint_bandwidth; } 57 bool getAdaptiveRouting() {return m_adaptive_routing; } 58 59 void printStats(std::ostream& out) const; 60 void clearStats(); 61 void printConfig(std::ostream& out) const; 62 63 void reset(); 64 65 // returns the queue requested for the given component 66 MessageBuffer* getToNetQueue(NodeID id, bool ordered, int network_num, std::string vnet_type); 67 MessageBuffer* getFromNetQueue(NodeID id, bool ordered, int network_num, std::string vnet_type); 68 virtual const std::vector<Throttle*>* getThrottles(NodeID id) const; 69 70 bool isVNetOrdered(int vnet) { return m_ordered[vnet]; } 71 bool validVirtualNetwork(int vnet) { return m_in_use[vnet]; } 72 73 int getNumNodes() {return m_nodes; } 74 75 // Methods used by Topology to setup the network 76 void makeOutLink(SwitchID src, NodeID dest, BasicLink* link, 77 LinkDirection direction, 78 const NetDest& routing_table_entry, 79 bool isReconfiguration); 80 void makeInLink(NodeID src, SwitchID dest, BasicLink* link, 81 LinkDirection direction, 82 const NetDest& routing_table_entry, 83 bool isReconfiguration); 84 void makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link, 85 LinkDirection direction, 86 const NetDest& routing_table_entry, 87 bool isReconfiguration); 88 89 void print(std::ostream& out) const; 90 91 private: 92 void checkNetworkAllocation(NodeID id, bool ordered, int network_num); 93 void addLink(SwitchID src, SwitchID dest, int link_latency); 94 void makeLink(SwitchID src, SwitchID dest, 95 const NetDest& routing_table_entry, int link_latency); 96 SwitchID createSwitch(); 97 void makeTopology(); 98 void linkTopology(); 99 100 // Private copy constructor and assignment operator 101 SimpleNetwork(const SimpleNetwork& obj); 102 SimpleNetwork& operator=(const SimpleNetwork& obj); 103 104 // vector of queues from the components 105 std::vector<std::vector<MessageBuffer*> > m_toNetQueues; 106 std::vector<std::vector<MessageBuffer*> > m_fromNetQueues; 107 108 std::vector<bool> m_in_use; 109 std::vector<bool> m_ordered; 110 std::vector<Switch*> m_switch_ptr_vector; 111 std::vector<MessageBuffer*> m_buffers_to_free; 112 std::vector<Switch*> m_endpoint_switches; 113 114 int m_buffer_size; 115 int m_endpoint_bandwidth; 116 bool m_adaptive_routing; 117}; 118 119inline std::ostream& 120operator<<(std::ostream& out, const SimpleNetwork& obj) 121{ 122 obj.print(out); 123 out << std::flush; 124 return out; 125} 126 127#endif // __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__ 128