118 lines
4.3 KiB
C++
118 lines
4.3 KiB
C++
/*
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* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__
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#define __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__
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#include <iostream>
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#include <vector>
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#include "mem/ruby/common/Global.hh"
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#include "mem/ruby/network/Network.hh"
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#include "mem/ruby/system/NodeID.hh"
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#include "params/SimpleNetwork.hh"
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#include "sim/sim_object.hh"
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class NetDest;
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class MessageBuffer;
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class Throttle;
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class Switch;
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class Topology;
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class SimpleNetwork : public Network
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{
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public:
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typedef SimpleNetworkParams Params;
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SimpleNetwork(const Params *p);
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~SimpleNetwork();
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void init();
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void printStats(std::ostream& out) const;
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void clearStats();
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void printConfig(std::ostream& out) const;
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void reset();
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// returns the queue requested for the given component
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MessageBuffer* getToNetQueue(NodeID id, bool ordered, int network_num);
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MessageBuffer* getFromNetQueue(NodeID id, bool ordered, int network_num);
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virtual const std::vector<Throttle*>* getThrottles(NodeID id) const;
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bool isVNetOrdered(int vnet) { return m_ordered[vnet]; }
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bool validVirtualNetwork(int vnet) { return m_in_use[vnet]; }
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int getNumNodes() {return m_nodes; }
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// Methods used by Topology to setup the network
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void makeOutLink(SwitchID src, NodeID dest,
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const NetDest& routing_table_entry, int link_latency, int link_weight,
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int bw_multiplier, bool isReconfiguration);
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void makeInLink(SwitchID src, NodeID dest,
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const NetDest& routing_table_entry, int link_latency,
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int bw_multiplier, bool isReconfiguration);
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void makeInternalLink(SwitchID src, NodeID dest,
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const NetDest& routing_table_entry, int link_latency, int link_weight,
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int bw_multiplier, bool isReconfiguration);
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void print(std::ostream& out) const;
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private:
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void checkNetworkAllocation(NodeID id, bool ordered, int network_num);
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void addLink(SwitchID src, SwitchID dest, int link_latency);
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void makeLink(SwitchID src, SwitchID dest,
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const NetDest& routing_table_entry, int link_latency);
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SwitchID createSwitch();
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void makeTopology();
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void linkTopology();
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// Private copy constructor and assignment operator
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SimpleNetwork(const SimpleNetwork& obj);
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SimpleNetwork& operator=(const SimpleNetwork& obj);
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// vector of queues from the components
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std::vector<std::vector<MessageBuffer*> > m_toNetQueues;
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std::vector<std::vector<MessageBuffer*> > m_fromNetQueues;
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std::vector<bool> m_in_use;
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std::vector<bool> m_ordered;
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std::vector<Switch*> m_switch_ptr_vector;
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std::vector<MessageBuffer*> m_buffers_to_free;
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std::vector<Switch*> m_endpoint_switches;
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};
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inline std::ostream&
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operator<<(std::ostream& out, const SimpleNetwork& obj)
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{
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obj.print(out);
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out << std::flush;
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return out;
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}
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#endif // __MEM_RUBY_NETWORK_SIMPLE_SIMPLENETWORK_HH__
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