| /* |
| * 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. |
| */ |
| |
| /* |
| * Router_d.hh |
| * |
| * Niket Agarwal, Princeton University |
| * |
| * */ |
| #ifndef ROUTER_D_H |
| #define ROUTER_D_H |
| |
| #include "mem/ruby/network/garnet-fixed-pipeline/NetworkHeader.hh" |
| #include "mem/gems_common/Vector.hh" |
| #include "mem/ruby/network/garnet-fixed-pipeline/flit_d.hh" |
| #include "mem/ruby/common/NetDest.hh" |
| #include "mem/ruby/network/orion/power_router_init.hh" |
| |
| class GarnetNetwork_d; |
| class NetworkLink_d; |
| class CreditLink_d; |
| class InputUnit_d; |
| class OutputUnit_d; |
| class RoutingUnit_d; |
| class VCallocator_d; |
| class SWallocator_d; |
| class Switch_d; |
| |
| class Router_d { |
| public: |
| Router_d(int id, GarnetNetwork_d *network_ptr); |
| |
| ~Router_d(); |
| |
| void init(); |
| void addInPort(NetworkLink_d *link, CreditLink_d *credit_link); |
| void addOutPort(NetworkLink_d *link, const NetDest& routing_table_entry, int link_weight, CreditLink_d *credit_link); |
| int get_num_vcs() { return m_num_vcs; } |
| int get_vc_per_vnet() {return m_vc_per_vnet; } |
| int get_num_inports() { return m_input_unit.size(); } |
| int get_num_outports() { return m_output_unit.size(); } |
| void printConfig(ostream& out); |
| int get_id() { return m_id; } |
| GarnetNetwork_d* get_net_ptr() { return m_network_ptr; } |
| |
| Vector<InputUnit_d *>& get_inputUnit_ref() { return m_input_unit; } |
| Vector<OutputUnit_d *>& get_outputUnit_ref() { return m_output_unit; } |
| |
| void update_sw_winner(int inport, flit_d *t_flit); |
| void update_incredit(int in_port, int in_vc, int credit); |
| void route_req(flit_d *t_flit, InputUnit_d* in_unit, int invc); |
| void vcarb_req(); |
| void swarb_req(); |
| |
| void power_router_initialize(power_router *router, power_router_info *info); |
| double calculate_power(); |
| double calculate_offline_power(power_router*, power_router_info*); |
| void calculate_performance_numbers(); |
| |
| private: |
| int m_id; |
| int m_virtual_networks, m_num_vcs, m_vc_per_vnet; |
| GarnetNetwork_d *m_network_ptr; |
| int m_flit_width; |
| |
| double buf_read_count, buf_write_count, crossbar_count, vc_local_arbit_count, vc_global_arbit_count, sw_local_arbit_count, sw_global_arbit_count; |
| |
| Vector<InputUnit_d *> m_input_unit; |
| Vector<OutputUnit_d *> m_output_unit; |
| RoutingUnit_d *m_routing_unit; |
| VCallocator_d *m_vc_alloc; |
| SWallocator_d *m_sw_alloc; |
| Switch_d *m_switch; |
| }; |
| |
| #endif |