| /* |
| * 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.hh |
| * |
| * Niket Agarwal, Princeton University |
| * |
| * */ |
| |
| #ifndef NET_INTERFACE_D_H |
| #define NET_INTERFACE_D_H |
| |
| #include "mem/ruby/network/garnet-fixed-pipeline/NetworkHeader.hh" |
| #include "mem/ruby/network/garnet-fixed-pipeline/GarnetNetwork_d.hh" |
| #include "mem/gems_common/Vector.hh" |
| #include "mem/ruby/common/Consumer.hh" |
| #include "mem/ruby/slicc_interface/Message.hh" |
| #include "mem/ruby/network/garnet-fixed-pipeline/NetworkLink_d.hh" |
| #include "mem/ruby/network/garnet-fixed-pipeline/CreditLink_d.hh" |
| #include "mem/ruby/network/garnet-fixed-pipeline/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 |