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Diffstat (limited to 'src/mem/ruby/network/garnet-fixed-pipeline/NetworkInterface_d.hh')
-rw-r--r-- | src/mem/ruby/network/garnet-fixed-pipeline/NetworkInterface_d.hh | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet-fixed-pipeline/NetworkInterface_d.hh b/src/mem/ruby/network/garnet-fixed-pipeline/NetworkInterface_d.hh new file mode 100644 index 000000000..c776d343c --- /dev/null +++ b/src/mem/ruby/network/garnet-fixed-pipeline/NetworkInterface_d.hh @@ -0,0 +1,96 @@ +/* + * 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. + */ + +/* + * NetworkInterface_d.h + * + * Niket Agarwal, Princeton University + * + * */ + +#ifndef NET_INTERFACE_D_H +#define NET_INTERFACE_D_H + +#include "NetworkHeader.hh" +#include "GarnetNetwork_d.hh" +#include "Vector.hh" +#include "Consumer.hh" +#include "Message.hh" +#include "NetworkLink_d.hh" +#include "CreditLink_d.hh" +#include "OutVcState_d.hh" + +class NetworkMessage; +class MessageBuffer; +class flitBuffer_d; + +class NetworkInterface_d : public Consumer { +public: + NetworkInterface_d(int id, int virtual_networks, GarnetNetwork_d* network_ptr); + + ~NetworkInterface_d(); + + void addInPort(NetworkLink_d *in_link, CreditLink_d *credit_link); + void addOutPort(NetworkLink_d *out_link, CreditLink_d *credit_link); + + void wakeup(); + void addNode(Vector<MessageBuffer *> &inNode, Vector<MessageBuffer *> &outNode); + void printConfig(ostream& out) const; + void print(ostream& out) const; + int get_vnet(int vc); + +private: +/**************Data Members*************/ + GarnetNetwork_d *m_net_ptr; + int m_virtual_networks, m_num_vcs, m_vc_per_vnet; + NodeID m_id; + Vector<OutVcState_d *> m_out_vc_state; + Vector<int > m_vc_allocator; + int m_vc_round_robin; // For round robin scheduling + flitBuffer_d *outSrcQueue; // For modelling link contention + flitBuffer_d *creditQueue; + + NetworkLink_d *inNetLink; + NetworkLink_d *outNetLink; + CreditLink_d *m_credit_link; + CreditLink_d *m_ni_credit_link; + + // Input Flit Buffers + Vector<flitBuffer_d *> m_ni_buffers; // The flit buffers which will serve the Consumer + Vector<Time > m_ni_enqueue_time; + + Vector<MessageBuffer *> inNode_ptr; // The Message buffers that takes messages from the protocol + Vector<MessageBuffer *> outNode_ptr; // The Message buffers that provides messages to the protocol + + bool flitisizeMessage(MsgPtr msg_ptr, int vnet); + int calculateVC(int vnet); + void scheduleOutputLink(); + void checkReschedule(); +}; + +#endif |