| /* |
| * 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 |
| */ |
| |
| #include "mem/ruby/network/garnet/fixed-pipeline/CreditLink_d.hh" |
| #include "mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh" |
| |
| NetworkLink_d::NetworkLink_d(const Params *p) |
| : SimObject(p) |
| { |
| m_latency = p->link_latency; |
| channel_width = p->channel_width; |
| m_id = p->link_id; |
| linkBuffer = new flitBuffer_d(); |
| m_link_utilized = 0; |
| m_vc_load.resize(p->vcs_per_vnet * p->virt_nets); |
| |
| for (int i = 0; i < (p->vcs_per_vnet * p->virt_nets); i++) { |
| m_vc_load[i] = 0; |
| } |
| } |
| |
| NetworkLink_d::~NetworkLink_d() |
| { |
| delete linkBuffer; |
| } |
| |
| void |
| NetworkLink_d::setLinkConsumer(Consumer *consumer) |
| { |
| link_consumer = consumer; |
| } |
| |
| void |
| NetworkLink_d::setSourceQueue(flitBuffer_d *srcQueue) |
| { |
| link_srcQueue = srcQueue; |
| } |
| |
| void |
| NetworkLink_d::wakeup() |
| { |
| if (link_srcQueue->isReady()) { |
| flit_d *t_flit = link_srcQueue->getTopFlit(); |
| t_flit->set_time(g_eventQueue_ptr->getTime() + m_latency); |
| linkBuffer->insert(t_flit); |
| g_eventQueue_ptr->scheduleEvent(link_consumer, m_latency); |
| m_link_utilized++; |
| m_vc_load[t_flit->get_vc()]++; |
| } |
| } |
| |
| std::vector<int> |
| NetworkLink_d::getVcLoad() |
| { |
| return m_vc_load; |
| } |
| |
| int |
| NetworkLink_d::getLinkUtilization() |
| { |
| return m_link_utilized; |
| } |
| |
| NetworkLink_d * |
| NetworkLink_dParams::create() |
| { |
| return new NetworkLink_d(this); |
| } |
| |
| CreditLink_d * |
| CreditLink_dParams::create() |
| { |
| return new CreditLink_d(this); |
| } |