PerfectSwitch.hh revision 11092:a51ef09e3a78
13914Ssaidi@eecs.umich.edu/* 23914Ssaidi@eecs.umich.edu * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 33914Ssaidi@eecs.umich.edu * All rights reserved. 43914Ssaidi@eecs.umich.edu * 53914Ssaidi@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 63914Ssaidi@eecs.umich.edu * modification, are permitted provided that the following conditions are 73914Ssaidi@eecs.umich.edu * met: redistributions of source code must retain the above copyright 83914Ssaidi@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 93914Ssaidi@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 103914Ssaidi@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 113914Ssaidi@eecs.umich.edu * documentation and/or other materials provided with the distribution; 123914Ssaidi@eecs.umich.edu * neither the name of the copyright holders nor the names of its 133914Ssaidi@eecs.umich.edu * contributors may be used to endorse or promote products derived from 143914Ssaidi@eecs.umich.edu * this software without specific prior written permission. 153914Ssaidi@eecs.umich.edu * 163914Ssaidi@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 173914Ssaidi@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 183914Ssaidi@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 193914Ssaidi@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 203914Ssaidi@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 213914Ssaidi@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 223914Ssaidi@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 233914Ssaidi@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 243914Ssaidi@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 253914Ssaidi@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 263914Ssaidi@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 273914Ssaidi@eecs.umich.edu */ 283914Ssaidi@eecs.umich.edu 293914Ssaidi@eecs.umich.edu/* 303914Ssaidi@eecs.umich.edu * Perfect switch, of course it is perfect and no latency or what so 313914Ssaidi@eecs.umich.edu * ever. Every cycle it is woke up and perform all the necessary 323914Ssaidi@eecs.umich.edu * routings that must be done. Note, this switch also has number of 333914Ssaidi@eecs.umich.edu * input ports/output ports and has a routing table as well. 3411793Sbrandon.potter@amd.com */ 3511793Sbrandon.potter@amd.com 363914Ssaidi@eecs.umich.edu#ifndef __MEM_RUBY_NETWORK_SIMPLE_PERFECTSWITCH_HH__ 373914Ssaidi@eecs.umich.edu#define __MEM_RUBY_NETWORK_SIMPLE_PERFECTSWITCH_HH__ 383914Ssaidi@eecs.umich.edu 393914Ssaidi@eecs.umich.edu#include <iostream> 403914Ssaidi@eecs.umich.edu#include <string> 413914Ssaidi@eecs.umich.edu#include <vector> 424762Snate@binkert.org 433914Ssaidi@eecs.umich.edu#include "mem/ruby/common/Consumer.hh" 443914Ssaidi@eecs.umich.edu 453914Ssaidi@eecs.umich.educlass MessageBuffer; 463914Ssaidi@eecs.umich.educlass NetDest; 473914Ssaidi@eecs.umich.educlass SimpleNetwork; 483914Ssaidi@eecs.umich.educlass Switch; 493914Ssaidi@eecs.umich.edu 503914Ssaidi@eecs.umich.edustruct LinkOrder 514762Snate@binkert.org{ 529808Sstever@gmail.com int m_link; 533914Ssaidi@eecs.umich.edu int m_value; 544762Snate@binkert.org}; 5510531Sandreas.hansson@arm.com 563943Sbinkertn@umich.edubool operator<(const LinkOrder& l1, const LinkOrder& l2); 573914Ssaidi@eecs.umich.edu 583914Ssaidi@eecs.umich.educlass PerfectSwitch : public Consumer 593914Ssaidi@eecs.umich.edu{ 603914Ssaidi@eecs.umich.edu public: 613914Ssaidi@eecs.umich.edu PerfectSwitch(SwitchID sid, Switch *, uint32_t); 623914Ssaidi@eecs.umich.edu ~PerfectSwitch(); 633914Ssaidi@eecs.umich.edu 643914Ssaidi@eecs.umich.edu std::string name() 653914Ssaidi@eecs.umich.edu { return csprintf("PerfectSwitch-%i", m_switch_id); } 663914Ssaidi@eecs.umich.edu 6713231Sgabeblack@google.com void init(SimpleNetwork *); 683914Ssaidi@eecs.umich.edu void addInPort(const std::vector<MessageBuffer*>& in); 693914Ssaidi@eecs.umich.edu void addOutPort(const std::vector<MessageBuffer*>& out, 704870Sstever@eecs.umich.edu const NetDest& routing_table_entry); 713914Ssaidi@eecs.umich.edu 723914Ssaidi@eecs.umich.edu int getInLinks() const { return m_in.size(); } 733914Ssaidi@eecs.umich.edu int getOutLinks() const { return m_out.size(); } 743914Ssaidi@eecs.umich.edu 753914Ssaidi@eecs.umich.edu void wakeup(); 763914Ssaidi@eecs.umich.edu void storeEventInfo(int info); 773914Ssaidi@eecs.umich.edu 783914Ssaidi@eecs.umich.edu void clearStats(); 793914Ssaidi@eecs.umich.edu void collateStats(); 803990Ssaidi@eecs.umich.edu void print(std::ostream& out) const; 8110905Sandreas.sandberg@arm.com 823990Ssaidi@eecs.umich.edu private: 833990Ssaidi@eecs.umich.edu // Private copy constructor and assignment operator 843990Ssaidi@eecs.umich.edu PerfectSwitch(const PerfectSwitch& obj); 853990Ssaidi@eecs.umich.edu PerfectSwitch& operator=(const PerfectSwitch& obj); 863990Ssaidi@eecs.umich.edu 8710905Sandreas.sandberg@arm.com void operateVnet(int vnet); 883990Ssaidi@eecs.umich.edu 893990Ssaidi@eecs.umich.edu const SwitchID m_switch_id; 903990Ssaidi@eecs.umich.edu Switch * const m_switch; 913990Ssaidi@eecs.umich.edu 924762Snate@binkert.org // vector of queues from the components 934762Snate@binkert.org std::vector<std::vector<MessageBuffer*> > m_in; 943914Ssaidi@eecs.umich.edu std::vector<std::vector<MessageBuffer*> > m_out; 954762Snate@binkert.org 963914Ssaidi@eecs.umich.edu std::vector<NetDest> m_routing_table; 97 std::vector<LinkOrder> m_link_order; 98 99 uint32_t m_virtual_networks; 100 int m_round_robin_start; 101 int m_wakeups_wo_switch; 102 103 SimpleNetwork* m_network_ptr; 104 std::vector<int> m_pending_message_count; 105}; 106 107inline std::ostream& 108operator<<(std::ostream& out, const PerfectSwitch& obj) 109{ 110 obj.print(out); 111 out << std::flush; 112 return out; 113} 114 115#endif // __MEM_RUBY_NETWORK_SIMPLE_PERFECTSWITCH_HH__ 116