SimpleNetwork.hh revision 10303:71e0934af9f1
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/network/Network.hh" 36#include "params/SimpleNetwork.hh" 37 38class NetDest; 39class MessageBuffer; 40class Throttle; 41class Switch; 42 43class SimpleNetwork : public Network 44{ 45 public: 46 typedef SimpleNetworkParams Params; 47 SimpleNetwork(const Params *p); 48 ~SimpleNetwork(); 49 50 void init(); 51 52 int getBufferSize() { return m_buffer_size; } 53 int getEndpointBandwidth() { return m_endpoint_bandwidth; } 54 bool getAdaptiveRouting() {return m_adaptive_routing; } 55 56 void collateStats(); 57 void regStats(); 58 59 // returns the queue requested for the given component 60 MessageBuffer* getToNetQueue(NodeID id, bool ordered, int network_num, std::string vnet_type); 61 MessageBuffer* getFromNetQueue(NodeID id, bool ordered, int network_num, std::string vnet_type); 62 63 bool isVNetOrdered(int vnet) { return m_ordered[vnet]; } 64 bool validVirtualNetwork(int vnet) { return m_in_use[vnet]; } 65 66 // Methods used by Topology to setup the network 67 void makeOutLink(SwitchID src, NodeID dest, BasicLink* link, 68 LinkDirection direction, 69 const NetDest& routing_table_entry); 70 void makeInLink(NodeID src, SwitchID dest, BasicLink* link, 71 LinkDirection direction, 72 const NetDest& routing_table_entry); 73 void makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link, 74 LinkDirection direction, 75 const NetDest& routing_table_entry); 76 77 void print(std::ostream& out) const; 78 79 bool functionalRead(Packet *pkt); 80 uint32_t functionalWrite(Packet *pkt); 81 82 private: 83 void checkNetworkAllocation(NodeID id, bool ordered, int network_num); 84 void addLink(SwitchID src, SwitchID dest, int link_latency); 85 void makeLink(SwitchID src, SwitchID dest, 86 const NetDest& routing_table_entry, int link_latency); 87 void makeTopology(); 88 89 // Private copy constructor and assignment operator 90 SimpleNetwork(const SimpleNetwork& obj); 91 SimpleNetwork& operator=(const SimpleNetwork& obj); 92 std::vector<Switch*> m_switches; 93 std::vector<MessageBuffer*> m_buffers_to_free; 94 std::vector<Switch*> m_endpoint_switches; 95 96 int m_buffer_size; 97 int m_endpoint_bandwidth; 98 bool m_adaptive_routing; 99 100 //Statistical variables 101 Stats::Formula m_msg_counts[MessageSizeType_NUM]; 102 Stats::Formula m_msg_bytes[MessageSizeType_NUM]; 103}; 104 105inline std::ostream& 106operator<<(std::ostream& out, const SimpleNetwork& obj) 107{ 108 obj.print(out); 109 out << std::flush; 110 return out; 111} 112 113#endif // __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__ 114