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Diffstat (limited to 'src/mem/ruby/network/garnet2.0/NetworkLink.hh')
-rw-r--r-- | src/mem/ruby/network/garnet2.0/NetworkLink.hh | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet2.0/NetworkLink.hh b/src/mem/ruby/network/garnet2.0/NetworkLink.hh new file mode 100644 index 000000000..cb69b39ad --- /dev/null +++ b/src/mem/ruby/network/garnet2.0/NetworkLink.hh @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2008 Princeton University + * Copyright (c) 2016 Georgia Institute of Technology + * 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. + * + * Authors: Niket Agarwal + * Tushar Krishna + */ + + +#ifndef __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__ +#define __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__ + +#include <iostream> +#include <vector> + +#include "mem/ruby/common/Consumer.hh" +#include "mem/ruby/network/garnet2.0/CommonTypes.hh" +#include "mem/ruby/network/garnet2.0/flitBuffer.hh" +#include "params/NetworkLink.hh" +#include "sim/clocked_object.hh" + +class GarnetNetwork; + +class NetworkLink : public ClockedObject, public Consumer +{ + public: + typedef NetworkLinkParams Params; + NetworkLink(const Params *p); + ~NetworkLink(); + + void setLinkConsumer(Consumer *consumer); + void setSourceQueue(flitBuffer *srcQueue); + void setType(link_type type) { m_type = type; } + link_type getType() { return m_type; } + void print(std::ostream& out) const {} + int get_id() const { return m_id; } + void wakeup(); + + unsigned int getLinkUtilization() const { return m_link_utilized; } + const std::vector<unsigned int> & getVcLoad() const { return m_vc_load; } + + inline bool isReady(Cycles curTime) + { return linkBuffer->isReady(curTime); } + + inline flit* peekLink() { return linkBuffer->peekTopFlit(); } + inline flit* consumeLink() { return linkBuffer->getTopFlit(); } + + uint32_t functionalWrite(Packet *); + + private: + const int m_id; + link_type m_type; + const Cycles m_latency; + + flitBuffer *linkBuffer; + Consumer *link_consumer; + flitBuffer *link_srcQueue; + + // Statistical variables + unsigned int m_link_utilized; + std::vector<unsigned int> m_vc_load; +}; + +#endif // __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__ |