diff options
Diffstat (limited to 'src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh')
-rw-r--r-- | src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh new file mode 100644 index 000000000..67bba5f04 --- /dev/null +++ b/src/mem/ruby/network/garnet/flexible-pipeline/NetworkInterface.hh @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2008 Princeton University + * 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 + */ + +#ifndef NET_INTERFACE_H +#define NET_INTERFACE_H + +#include "mem/ruby/network/garnet/NetworkHeader.hh" +#include "mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh" +#include "mem/gems_common/Vector.hh" +#include "mem/ruby/network/garnet/flexible-pipeline/FlexibleConsumer.hh" +#include "mem/ruby/slicc_interface/Message.hh" +#include "mem/ruby/network/garnet/flexible-pipeline/NetworkLink.hh" +#include "mem/ruby/network/garnet/flexible-pipeline/OutVcState.hh" + +class NetworkMessage; +class MessageBuffer; +class flitBuffer; + +class NetworkInterface : public FlexibleConsumer { +public: + NetworkInterface(int id, int virtual_networks, GarnetNetwork* network_ptr); + + ~NetworkInterface(); + + void addInPort(NetworkLink *in_link); + void addOutPort(NetworkLink *out_link); + + void wakeup(); + void addNode(Vector<MessageBuffer *> &inNode, Vector<MessageBuffer *> &outNode); + void grant_vc(int out_port, int vc, Time grant_time); + void release_vc(int out_port, int vc, Time release_time); + bool isBufferNotFull(int vc, int inport) + { + return true; + } + void request_vc(int in_vc, int in_port, NetDest destination, Time request_time); + + void printConfig(ostream& out) const; + void print(ostream& out) const; + +private: +/**************Data Members*************/ + GarnetNetwork *m_net_ptr; + int m_virtual_networks, m_num_vcs, m_vc_per_vnet; + NodeID m_id; + + Vector<OutVcState *> m_out_vc_state; + Vector<int > m_vc_allocator; + int m_vc_round_robin; // For round robin scheduling + flitBuffer *outSrcQueue; // For modelling link contention + + NetworkLink *inNetLink; + NetworkLink *outNetLink; + + // Input Flit Buffers + Vector<flitBuffer *> m_ni_buffers; // The flit buffers which will serve the Consumer + + 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 |