AbstractController.hh revision 10301
17008Snate@binkert.org/* 27008Snate@binkert.org * Copyright (c) 2009 Mark D. Hill and David A. Wood 37008Snate@binkert.org * All rights reserved. 47008Snate@binkert.org * 57008Snate@binkert.org * Redistribution and use in source and binary forms, with or without 67008Snate@binkert.org * modification, are permitted provided that the following conditions are 77008Snate@binkert.org * met: redistributions of source code must retain the above copyright 87008Snate@binkert.org * notice, this list of conditions and the following disclaimer; 97008Snate@binkert.org * redistributions in binary form must reproduce the above copyright 107008Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 117008Snate@binkert.org * documentation and/or other materials provided with the distribution; 127008Snate@binkert.org * neither the name of the copyright holders nor the names of its 137008Snate@binkert.org * contributors may be used to endorse or promote products derived from 147008Snate@binkert.org * this software without specific prior written permission. 157008Snate@binkert.org * 167008Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 177008Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 187008Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 197008Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 207008Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 217008Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 227008Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 237008Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 247008Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 257008Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 267008Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 277008Snate@binkert.org */ 286285Snate@binkert.org 297039Snate@binkert.org#ifndef __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCONTROLLER_HH__ 307039Snate@binkert.org#define __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCONTROLLER_HH__ 316285Snate@binkert.org 327055Snate@binkert.org#include <iostream> 337055Snate@binkert.org#include <string> 346876Ssteve.reinhardt@amd.com 359745Snilay@cs.wisc.edu#include "base/callback.hh" 368341Snilay@cs.wisc.edu#include "mem/protocol/AccessPermission.hh" 376506Spdudnik@gmail.com#include "mem/ruby/common/Address.hh" 387055Snate@binkert.org#include "mem/ruby/common/Consumer.hh" 398436SBrad.Beckmann@amd.com#include "mem/ruby/common/DataBlock.hh" 409497Snilay@cs.wisc.edu#include "mem/ruby/common/Histogram.hh" 4110301Snilay@cs.wisc.edu#include "mem/ruby/common/MachineID.hh" 4210301Snilay@cs.wisc.edu#include "mem/ruby/network/MessageBuffer.hh" 436881SBrad.Beckmann@amd.com#include "mem/ruby/network/Network.hh" 4410301Snilay@cs.wisc.edu#include "mem/ruby/system/CacheRecorder.hh" 459364Snilay@cs.wisc.edu#include "mem/packet.hh" 467055Snate@binkert.org#include "params/RubyController.hh" 479465Snilay@cs.wisc.edu#include "sim/clocked_object.hh" 486285Snate@binkert.org 496285Snate@binkert.orgclass Network; 506285Snate@binkert.org 519465Snilay@cs.wisc.educlass AbstractController : public ClockedObject, public Consumer 527039Snate@binkert.org{ 537039Snate@binkert.org public: 546876Ssteve.reinhardt@amd.com typedef RubyControllerParams Params; 558436SBrad.Beckmann@amd.com AbstractController(const Params *p); 569496Snilay@cs.wisc.edu void init(); 578257SBrad.Beckmann@amd.com const Params *params() const { return (const Params *)_params; } 589745Snilay@cs.wisc.edu 5910078Snilay@cs.wisc.edu const NodeID getVersion() const { return m_machineID.getNum(); } 6010078Snilay@cs.wisc.edu const MachineType getType() const { return m_machineID.getType(); } 6110078Snilay@cs.wisc.edu 629819Snilay@cs.wisc.edu void initNetworkPtr(Network* net_ptr) { m_net_ptr = net_ptr; } 639819Snilay@cs.wisc.edu 649819Snilay@cs.wisc.edu // return instance name 659819Snilay@cs.wisc.edu void blockOnQueue(Address, MessageBuffer*); 669819Snilay@cs.wisc.edu void unblock(Address); 679819Snilay@cs.wisc.edu 687039Snate@binkert.org virtual MessageBuffer* getMandatoryQueue() const = 0; 697055Snate@binkert.org virtual const std::string toString() const = 0; // returns text version of 707055Snate@binkert.org // controller type 718531Snilay@cs.wisc.edu virtual AccessPermission getAccessPermission(const Address& addr) = 0; 728531Snilay@cs.wisc.edu virtual DataBlock& getDataBlock(const Address& addr) = 0; 736285Snate@binkert.org 747055Snate@binkert.org virtual void print(std::ostream & out) const = 0; 757039Snate@binkert.org virtual void wakeup() = 0; 7610012Snilay@cs.wisc.edu virtual void resetStats() = 0; 7710012Snilay@cs.wisc.edu virtual void regStats(); 789745Snilay@cs.wisc.edu 798683Snilay@cs.wisc.edu virtual void recordCacheTrace(int cntrl, CacheRecorder* tr) = 0; 808683Snilay@cs.wisc.edu virtual Sequencer* getSequencer() const = 0; 819302Snilay@cs.wisc.edu 829302Snilay@cs.wisc.edu //! These functions are used by ruby system to read/write the message 839302Snilay@cs.wisc.edu //! queues that exist with in the controller. 849302Snilay@cs.wisc.edu //! The boolean return value indicates if the read was performed 859302Snilay@cs.wisc.edu //! successfully. 869302Snilay@cs.wisc.edu virtual bool functionalReadBuffers(PacketPtr&) = 0; 879302Snilay@cs.wisc.edu //! The return value indicates the number of messages written with the 889302Snilay@cs.wisc.edu //! data from the packet. 899302Snilay@cs.wisc.edu virtual uint32_t functionalWriteBuffers(PacketPtr&) = 0; 909363Snilay@cs.wisc.edu 919363Snilay@cs.wisc.edu //! Function for enqueuing a prefetch request 929363Snilay@cs.wisc.edu virtual void enqueuePrefetch(const Address&, const RubyRequestType&) 939363Snilay@cs.wisc.edu { fatal("Prefetches not implemented!");} 949364Snilay@cs.wisc.edu 959745Snilay@cs.wisc.edu //! Function for collating statistics from all the controllers of this 969745Snilay@cs.wisc.edu //! particular type. This function should only be called from the 979745Snilay@cs.wisc.edu //! version 0 of this controller type. 989745Snilay@cs.wisc.edu virtual void collateStats() 999745Snilay@cs.wisc.edu {fatal("collateStats() should be overridden!");} 1009745Snilay@cs.wisc.edu 1019496Snilay@cs.wisc.edu public: 1029496Snilay@cs.wisc.edu MachineID getMachineID() const { return m_machineID; } 1039496Snilay@cs.wisc.edu 10410012Snilay@cs.wisc.edu Stats::Histogram& getDelayHist() { return m_delayHistogram; } 10510012Snilay@cs.wisc.edu Stats::Histogram& getDelayVCHist(uint32_t index) 10610012Snilay@cs.wisc.edu { return *(m_delayVCHistogram[index]); } 1079497Snilay@cs.wisc.edu 1089595Snilay@cs.wisc.edu MessageBuffer *getPeerQueue(uint32_t pid) 1099595Snilay@cs.wisc.edu { 1109595Snilay@cs.wisc.edu std::map<uint32_t, MessageBuffer *>::iterator it = 1119595Snilay@cs.wisc.edu peerQueueMap.find(pid); 1129595Snilay@cs.wisc.edu assert(it != peerQueueMap.end()); 1139595Snilay@cs.wisc.edu return (*it).second; 1149595Snilay@cs.wisc.edu } 1159595Snilay@cs.wisc.edu 1169496Snilay@cs.wisc.edu protected: 1179496Snilay@cs.wisc.edu //! Profiles original cache requests including PUTs 1189496Snilay@cs.wisc.edu void profileRequest(const std::string &request); 1199497Snilay@cs.wisc.edu //! Profiles the delay associated with messages. 1209507Snilay@cs.wisc.edu void profileMsgDelay(uint32_t virtualNetwork, Cycles delay); 1219496Snilay@cs.wisc.edu 1229595Snilay@cs.wisc.edu //! Function for connecting peer controllers 1239595Snilay@cs.wisc.edu void connectWithPeer(AbstractController *); 1249595Snilay@cs.wisc.edu virtual void getQueuesFromPeer(AbstractController *) 1259595Snilay@cs.wisc.edu { fatal("getQueuesFromPeer() should be called only if implemented!"); } 1269595Snilay@cs.wisc.edu 1279596Snilay@cs.wisc.edu void stallBuffer(MessageBuffer* buf, Address addr); 1289596Snilay@cs.wisc.edu void wakeUpBuffers(Address addr); 1299596Snilay@cs.wisc.edu void wakeUpAllBuffers(Address addr); 1309596Snilay@cs.wisc.edu void wakeUpAllBuffers(); 1319596Snilay@cs.wisc.edu 1329364Snilay@cs.wisc.edu protected: 1339364Snilay@cs.wisc.edu NodeID m_version; 13410005Snilay@cs.wisc.edu MachineID m_machineID; 13510005Snilay@cs.wisc.edu NodeID m_clusterID; 13610005Snilay@cs.wisc.edu 1379364Snilay@cs.wisc.edu Network* m_net_ptr; 1389364Snilay@cs.wisc.edu bool m_is_blocking; 1399364Snilay@cs.wisc.edu std::map<Address, MessageBuffer*> m_block_map; 14010087Snilay@cs.wisc.edu 1419364Snilay@cs.wisc.edu typedef std::vector<MessageBuffer*> MsgVecType; 1429364Snilay@cs.wisc.edu typedef std::map< Address, MsgVecType* > WaitingBufType; 1439364Snilay@cs.wisc.edu WaitingBufType m_waiting_buffers; 14410087Snilay@cs.wisc.edu 1459996Snilay@cs.wisc.edu unsigned int m_in_ports; 1469996Snilay@cs.wisc.edu unsigned int m_cur_in_port; 1479364Snilay@cs.wisc.edu int m_number_of_TBEs; 14810005Snilay@cs.wisc.edu int m_transitions_per_cycle; 14910096Snilay@cs.wisc.edu unsigned int m_buffer_size; 15010005Snilay@cs.wisc.edu Cycles m_recycle_latency; 1519496Snilay@cs.wisc.edu 1529595Snilay@cs.wisc.edu //! Map from physical network number to the Message Buffer. 1539595Snilay@cs.wisc.edu std::map<uint32_t, MessageBuffer*> peerQueueMap; 1549595Snilay@cs.wisc.edu 1559496Snilay@cs.wisc.edu //! Counter for the number of cycles when the transitions carried out 1569496Snilay@cs.wisc.edu //! were equal to the maximum allowed 15710012Snilay@cs.wisc.edu Stats::Scalar m_fully_busy_cycles; 1589497Snilay@cs.wisc.edu 1599497Snilay@cs.wisc.edu //! Histogram for profiling delay for the messages this controller 1609497Snilay@cs.wisc.edu //! cares for 16110012Snilay@cs.wisc.edu Stats::Histogram m_delayHistogram; 16210012Snilay@cs.wisc.edu std::vector<Stats::Histogram *> m_delayVCHistogram; 1639745Snilay@cs.wisc.edu 1649745Snilay@cs.wisc.edu //! Callback class used for collating statistics from all the 1659745Snilay@cs.wisc.edu //! controller of this type. 1669745Snilay@cs.wisc.edu class StatsCallback : public Callback 1679745Snilay@cs.wisc.edu { 1689745Snilay@cs.wisc.edu private: 1699745Snilay@cs.wisc.edu AbstractController *ctr; 1709745Snilay@cs.wisc.edu 1719745Snilay@cs.wisc.edu public: 1729745Snilay@cs.wisc.edu virtual ~StatsCallback() {} 17310012Snilay@cs.wisc.edu StatsCallback(AbstractController *_ctr) : ctr(_ctr) {} 1749745Snilay@cs.wisc.edu void process() {ctr->collateStats();} 1759745Snilay@cs.wisc.edu }; 1766285Snate@binkert.org}; 1776285Snate@binkert.org 1787039Snate@binkert.org#endif // __MEM_RUBY_SLICC_INTERFACE_ABSTRACTCONTROLLER_HH__ 179