Network.cc revision 9465
16700Snate@binkert.org/* 26700Snate@binkert.org * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 36700Snate@binkert.org * All rights reserved. 46700Snate@binkert.org * 56700Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66700Snate@binkert.org * modification, are permitted provided that the following conditions are 76700Snate@binkert.org * met: redistributions of source code must retain the above copyright 86700Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96700Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106700Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116700Snate@binkert.org * documentation and/or other materials provided with the distribution; 126700Snate@binkert.org * neither the name of the copyright holders nor the names of its 136700Snate@binkert.org * contributors may be used to endorse or promote products derived from 146700Snate@binkert.org * this software without specific prior written permission. 156700Snate@binkert.org * 166700Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176700Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186700Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196700Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206700Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216700Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226700Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236700Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246700Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256700Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266700Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276700Snate@binkert.org */ 286285Snate@binkert.org 297805Snilay@cs.wisc.edu#include "base/misc.hh" 306285Snate@binkert.org#include "mem/protocol/MachineType.hh" 316285Snate@binkert.org#include "mem/ruby/network/Network.hh" 328255SBrad.Beckmann@amd.com#include "mem/ruby/network/Topology.hh" 338645Snilay@cs.wisc.edu#include "mem/ruby/system/System.hh" 346285Snate@binkert.org 359275Snilay@cs.wisc.eduuint32_t Network::m_virtual_networks; 369275Snilay@cs.wisc.eduuint32_t Network::m_control_msg_size; 379275Snilay@cs.wisc.eduuint32_t Network::m_data_msg_size; 389275Snilay@cs.wisc.edu 396876Ssteve.reinhardt@amd.comNetwork::Network(const Params *p) 409465Snilay@cs.wisc.edu : ClockedObject(p) 416285Snate@binkert.org{ 426876Ssteve.reinhardt@amd.com m_virtual_networks = p->number_of_virtual_networks; 436876Ssteve.reinhardt@amd.com m_topology_ptr = p->topology; 446876Ssteve.reinhardt@amd.com m_control_msg_size = p->control_msg_size; 456876Ssteve.reinhardt@amd.com 466881SBrad.Beckmann@amd.com // Total nodes/controllers in network 476881SBrad.Beckmann@amd.com // Must make sure this is called after the State Machine constructors 487054Snate@binkert.org m_nodes = MachineType_base_number(MachineType_NUM); 496881SBrad.Beckmann@amd.com assert(m_nodes != 0); 506881SBrad.Beckmann@amd.com 516876Ssteve.reinhardt@amd.com assert(m_virtual_networks != 0); 526876Ssteve.reinhardt@amd.com assert(m_topology_ptr != NULL); 536881SBrad.Beckmann@amd.com 546881SBrad.Beckmann@amd.com // Initialize the controller's network pointers 556881SBrad.Beckmann@amd.com m_topology_ptr->initNetworkPtr(this); 568436SBrad.Beckmann@amd.com p->ruby_system->registerNetwork(this); 576285Snate@binkert.org} 586285Snate@binkert.org 597054Snate@binkert.orgvoid 607054Snate@binkert.orgNetwork::init() 616285Snate@binkert.org{ 627054Snate@binkert.org m_data_msg_size = RubySystem::getBlockSizeBytes() + m_control_msg_size; 636285Snate@binkert.org} 646493STushar.Krishna@amd.com 659275Snilay@cs.wisc.eduuint32_t 667054Snate@binkert.orgNetwork::MessageSizeType_to_int(MessageSizeType size_type) 676493STushar.Krishna@amd.com{ 687054Snate@binkert.org switch(size_type) { 697054Snate@binkert.org case MessageSizeType_Undefined: 707805Snilay@cs.wisc.edu panic("Can't convert Undefined MessageSizeType to integer"); 717054Snate@binkert.org break; 727054Snate@binkert.org case MessageSizeType_Control: 737054Snate@binkert.org case MessageSizeType_Request_Control: 747054Snate@binkert.org case MessageSizeType_Reissue_Control: 757054Snate@binkert.org case MessageSizeType_Response_Control: 767054Snate@binkert.org case MessageSizeType_Writeback_Control: 777548SBrad.Beckmann@amd.com case MessageSizeType_Broadcast_Control: 787904SBrad.Beckmann@amd.com case MessageSizeType_Multicast_Control: 797054Snate@binkert.org case MessageSizeType_Forwarded_Control: 807054Snate@binkert.org case MessageSizeType_Invalidate_Control: 817054Snate@binkert.org case MessageSizeType_Unblock_Control: 827054Snate@binkert.org case MessageSizeType_Persistent_Control: 837054Snate@binkert.org case MessageSizeType_Completion_Control: 847054Snate@binkert.org return m_control_msg_size; 857054Snate@binkert.org case MessageSizeType_Data: 867054Snate@binkert.org case MessageSizeType_Response_Data: 877054Snate@binkert.org case MessageSizeType_ResponseLocal_Data: 887054Snate@binkert.org case MessageSizeType_ResponseL2hit_Data: 897054Snate@binkert.org case MessageSizeType_Writeback_Data: 907054Snate@binkert.org return m_data_msg_size; 917054Snate@binkert.org default: 927805Snilay@cs.wisc.edu panic("Invalid range for type MessageSizeType"); 937054Snate@binkert.org break; 947054Snate@binkert.org } 956493STushar.Krishna@amd.com} 967054Snate@binkert.org 977454Snate@binkert.orgconst std::vector<Throttle*>* 987054Snate@binkert.orgNetwork::getThrottles(NodeID id) const 997054Snate@binkert.org{ 1007054Snate@binkert.org return NULL; 1017054Snate@binkert.org} 102