| /* |
| * 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 __MEM_RUBY_NETWORK_GARNET_FLEXIBLE_PIPELINE_NETWORK_INTERFACE_HH__ |
| #define __MEM_RUBY_NETWORK_GARNET_FLEXIBLE_PIPELINE_NETWORK_INTERFACE_HH__ |
| |
| #include <iostream> |
| #include <vector> |
| |
| #include "mem/ruby/network/garnet/flexible-pipeline/FlexibleConsumer.hh" |
| #include "mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh" |
| #include "mem/ruby/network/garnet/flexible-pipeline/NetworkLink.hh" |
| #include "mem/ruby/network/garnet/flexible-pipeline/OutVcState.hh" |
| #include "mem/ruby/network/garnet/NetworkHeader.hh" |
| #include "mem/ruby/slicc_interface/Message.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(std::vector<MessageBuffer *> &inNode, |
| std::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(std::ostream& out) const; |
| void print(std::ostream& out) const; |
| |
| private: |
| GarnetNetwork *m_net_ptr; |
| int m_virtual_networks, m_num_vcs, m_vc_per_vnet; |
| NodeID m_id; |
| |
| std::vector<OutVcState *> m_out_vc_state; |
| std::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 |
| |
| // The flit buffers which will serve the Consumer |
| std::vector<flitBuffer *> m_ni_buffers; |
| |
| // The Message buffers that takes messages from the protocol |
| std::vector<MessageBuffer *> inNode_ptr; |
| |
| // The Message buffers that provides messages to the protocol |
| std::vector<MessageBuffer *> outNode_ptr; |
| |
| bool flitisizeMessage(MsgPtr msg_ptr, int vnet); |
| int calculateVC(int vnet); |
| void scheduleOutputLink(); |
| void checkReschedule(); |
| }; |
| |
| #endif // __MEM_RUBY_NETWORK_GARNET_FLEXIBLE_PIPELINE_NETWORK_INTERFACE_HH__ |