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/*
* 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_FIXED_PIPELINE_ROUTER_D_HH__
#define __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_ROUTER_D_HH__
#include <iostream>
#include <vector>
#include "mem/ruby/common/NetDest.hh"
#include "mem/ruby/network/BasicRouter.hh"
#include "mem/ruby/network/garnet/fixed-pipeline/flit_d.hh"
#include "mem/ruby/network/garnet/NetworkHeader.hh"
#include "mem/ruby/network/orion/NetworkPower.hh"
#include "params/GarnetRouter_d.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 FaultModel;
class Router_d : public BasicRouter
{
public:
typedef GarnetRouter_dParams Params;
Router_d(const Params *p);
~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_num_vnets() { return m_virtual_networks; }
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(); }
int get_id() { return m_id; }
void init_net_ptr(GarnetNetwork_d* net_ptr)
{
m_network_ptr = net_ptr;
}
GarnetNetwork_d* get_net_ptr() { return m_network_ptr; }
std::vector<InputUnit_d *>& get_inputUnit_ref() { return m_input_unit; }
std::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 printFaultVector(std::ostream& out);
void printAggregateFaultProbability(std::ostream& out);
void calculate_power();
void calculate_performance_numbers();
double get_dynamic_power() const { return m_power_dyn; }
double get_static_power() const { return m_power_sta; }
double get_clk_power() const { return m_clk_power; }
bool get_fault_vector(int temperature, float fault_vector[]){
return m_network_ptr->fault_model->fault_vector(m_id, temperature,
fault_vector);
}
bool get_aggregate_fault_probability(int temperature,
float *aggregate_fault_prob){
return m_network_ptr->fault_model->fault_prob(m_id, temperature,
aggregate_fault_prob);
}
uint32_t functionalWrite(Packet *);
private:
int m_virtual_networks, m_num_vcs, m_vc_per_vnet;
GarnetNetwork_d *m_network_ptr;
double sw_local_arbit_count, sw_global_arbit_count;
double crossbar_count;
std::vector<InputUnit_d *> m_input_unit;
std::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;
// Statistical variables for power
double m_power_dyn;
double m_power_sta;
double m_clk_power;
// Statistical variables for performance
std::vector<double> buf_read_count;
std::vector<double> buf_write_count;
std::vector<double> vc_local_arbit_count;
std::vector<double> vc_global_arbit_count;
};
#endif // __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_ROUTER_D_HH__
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