123 lines
4.6 KiB
C++
123 lines
4.6 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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/*
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* The Network class is the base class for classes that implement the
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* interconnection network between components (processor/cache
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* components and memory/directory components). The interconnection
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* network as described here is not a physical network, but a
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* programming concept used to implement all communication between
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* components. Thus parts of this 'network' will model the on-chip
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* connections between cache controllers and directory controllers as
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* well as the links between chip and network switches.
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*/
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#ifndef __MEM_RUBY_NETWORK_NETWORK_HH__
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#define __MEM_RUBY_NETWORK_NETWORK_HH__
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#include <iostream>
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#include <string>
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#include <vector>
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#include "mem/protocol/LinkDirection.hh"
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#include "mem/protocol/MessageSizeType.hh"
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#include "mem/ruby/common/Global.hh"
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#include "mem/ruby/system/NodeID.hh"
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#include "mem/ruby/system/System.hh"
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#include "params/RubyNetwork.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 Topology;
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class Network : public SimObject
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{
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public:
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typedef RubyNetworkParams Params;
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Network(const Params *p);
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virtual ~Network() {}
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virtual void init();
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int getNumberOfVirtualNetworks() { return m_virtual_networks; }
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int MessageSizeType_to_int(MessageSizeType size_type);
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// returns the queue requested for the given component
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virtual MessageBuffer* getToNetQueue(NodeID id, bool ordered,
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int netNumber) = 0;
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virtual MessageBuffer* getFromNetQueue(NodeID id, bool ordered,
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int netNumber) = 0;
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virtual const std::vector<Throttle*>* getThrottles(NodeID id) const;
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virtual int getNumNodes() {return 1;}
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virtual void makeOutLink(SwitchID src, NodeID dest, BasicLink* link,
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LinkDirection direction,
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const NetDest& routing_table_entry,
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bool isReconfiguration) = 0;
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virtual void makeInLink(NodeID src, SwitchID dest, BasicLink* link,
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LinkDirection direction,
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const NetDest& routing_table_entry,
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bool isReconfiguration) = 0;
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virtual void makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link,
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LinkDirection direction,
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const NetDest& routing_table_entry,
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bool isReconfiguration) = 0;
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virtual void reset() = 0;
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virtual void printStats(std::ostream& out) const = 0;
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virtual void clearStats() = 0;
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virtual void printConfig(std::ostream& out) const = 0;
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virtual void print(std::ostream& out) const = 0;
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protected:
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// Private copy constructor and assignment operator
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Network(const Network& obj);
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Network& operator=(const Network& obj);
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protected:
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const std::string m_name;
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int m_nodes;
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int m_virtual_networks;
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Topology* m_topology_ptr;
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int m_control_msg_size;
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int m_data_msg_size;
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};
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inline std::ostream&
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operator<<(std::ostream& out, const Network& 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_NETWORK_HH__
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