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/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* NetworkLink_d.hh
*
* Niket Agarwal, Princeton University
*
* */
#ifndef NETWORK_LINK_D_H
#define NETWORK_LINK_D_H
#include "mem/ruby/network/garnet-fixed-pipeline/NetworkHeader.hh"
#include "mem/ruby/common/Consumer.hh"
#include "mem/ruby/network/garnet-fixed-pipeline/flitBuffer_d.hh"
#include "mem/gems_common/PrioHeap.hh"
#include "mem/ruby/network/orion/power_bus.hh"
class GarnetNetwork_d;
class NetworkLink_d : public Consumer {
public:
//NetworkLink_d(int id);
~NetworkLink_d();
NetworkLink_d(int id, int link_latency, GarnetNetwork_d *net_ptr);
void setLinkConsumer(Consumer *consumer);
void setSourceQueue(flitBuffer_d *srcQueue);
void print(ostream& out) const{}
int getLinkUtilization();
Vector<int> getVcLoad();
int get_id(){return m_id;}
void wakeup();
double calculate_offline_power(power_bus*);
double calculate_power();
inline bool isReady()
{
return linkBuffer->isReady();
}
inline flit_d* peekLink()
{
return linkBuffer->peekTopFlit();
}
inline flit_d* consumeLink()
{
return linkBuffer->getTopFlit();
}
protected:
int m_id;
int m_latency;
GarnetNetwork_d *m_net_ptr;
flitBuffer_d *linkBuffer;
Consumer *link_consumer;
flitBuffer_d *link_srcQueue;
int m_link_utilized;
Vector<int > m_vc_load;
int m_flit_width;
};
#endif
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