src/mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh

   1 /*
   2  * Copyright (c) 2008 Princeton University
   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  * Authors: Niket Agarwal
  29  */
  30
  31 #ifndef __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_GARNETNETWORK_D_HH__
  32 #define __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_GARNETNETWORK_D_HH__
  33
  34 #include <iostream>
  35 #include <vector>
  36
  37 #include "mem/ruby/network/garnet/NetworkHeader.hh"
  38 #include "mem/ruby/network/garnet/BaseGarnetNetwork.hh"
  39 #include "mem/ruby/network/Network.hh"
  40 #include "params/GarnetNetwork_d.hh"
  41
  42 class NetworkInterface_d;
  43 class MessageBuffer;
  44 class Router_d;
  45 class Topology;
  46 class NetDest;
  47 class NetworkLink_d;
  48 class CreditLink_d;
  49
  50 class GarnetNetwork_d : public BaseGarnetNetwork
  51 {
  52   public:
  53     typedef GarnetNetwork_dParams Params;
  54     GarnetNetwork_d(const Params *p);
  55
  56     ~GarnetNetwork_d();
  57
  58     void init();
  59
  60     int getNumNodes() { return m_nodes; }
  61
  62     // returns the queue requested for the given component
  63     MessageBuffer* getToNetQueue(NodeID id, bool ordered, int network_num);
  64     MessageBuffer* getFromNetQueue(NodeID id, bool ordered, int network_num);
  65
  66     void clearStats();
  67     void printStats(std::ostream& out) const;
  68     void printConfig(std::ostream& out) const;
  69     void print(std::ostream& out) const;
  70
  71     void
  72     set_vnet_type(int vc, VNET_type vnet_type)
  73     {
  74         int vnet = vc/getVCsPerClass();
  75         m_vnet_type[vnet] = vnet_type;
  76     }
  77
  78     VNET_type
  79     get_vnet_type(int vc)
  80     {
  81         int vnet = vc/getVCsPerClass();
  82         return m_vnet_type[vnet];
  83     }
  84
  85
  86     inline void increment_injected_flits() { m_flits_injected++; }
  87     inline void increment_received_flits() { m_flits_received++; }
  88
  89     inline void
  90     increment_network_latency(Time latency)
  91     {
  92         m_network_latency += latency;
  93     }
  94
  95     inline void
  96     increment_queueing_latency(Time latency)
  97     {
  98         m_queueing_latency += latency;
  99     }
 100
 101     bool isVNetOrdered(int vnet) { return m_ordered[vnet]; }
 102     bool validVirtualNetwork(int vnet) { return m_in_use[vnet]; }
 103     Time getRubyStartTime();
 104
 105     void reset();
 106
 107     // Methods used by Topology to setup the network
 108     void makeOutLink(SwitchID src, NodeID dest,
 109         const NetDest& routing_table_entry, int link_latency, int link_weight,
 110         int bw_multiplier, bool isReconfiguration);
 111     void makeInLink(SwitchID src, NodeID dest,
 112         const NetDest& routing_table_entry, int link_latency,
 113         int bw_multiplier, bool isReconfiguration);
 114     void makeInternalLink(SwitchID src, NodeID dest,
 115         const NetDest& routing_table_entry, int link_latency, int link_weight,
 116         int bw_multiplier, bool isReconfiguration);
 117
 118   private:
 119     void checkNetworkAllocation(NodeID id, bool ordered, int network_num);
 120
 121     GarnetNetwork_d(const GarnetNetwork_d& obj);
 122     GarnetNetwork_d& operator=(const GarnetNetwork_d& obj);
 123
 124     std::vector<VNET_type > m_vnet_type;
 125     // int m_virtual_networks;
 126     // int m_nodes;
 127     int m_flits_received, m_flits_injected;
 128     double m_network_latency, m_queueing_latency;
 129
 130     std::vector<bool> m_in_use;
 131     std::vector<bool> m_ordered;
 132
 133     std::vector<std::vector<MessageBuffer*> > m_toNetQueues;
 134     std::vector<std::vector<MessageBuffer*> > m_fromNetQueues;
 135
 136     std::vector<Router_d *> m_router_ptr_vector;   // All Routers in Network
 137     std::vector<NetworkLink_d *> m_link_ptr_vector; // All links in the network
 138     std::vector<CreditLink_d *> m_creditlink_ptr_vector; // All links in net
 139     std::vector<NetworkInterface_d *> m_ni_ptr_vector;   // All NI's in Network
 140
 141     //      Topology* m_topology_ptr;
 142     Time m_ruby_start;
 143 };
 144
 145 inline std::ostream&
 146 operator<<(std::ostream& out, const GarnetNetwork_d& obj)
 147 {
 148     obj.print(out);
 149     out << std::flush;
 150     return out;
 151 }
 152
 153 #endif // __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_GARNETNETWORK_D_HH__