1/*
2 * Copyright (c) 2008 Princeton University
3 * Copyright (c) 2016 Georgia Institute of Technology
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Niket Agarwal
30 * Tushar Krishna
31 */
32
33
34#ifndef __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__
35#define __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__
36
37#include <iostream>
38#include <vector>
39
40#include "mem/ruby/common/Consumer.hh"
41#include "mem/ruby/network/garnet2.0/CommonTypes.hh"
42#include "mem/ruby/network/garnet2.0/flitBuffer.hh"
43#include "params/NetworkLink.hh"
44#include "sim/clocked_object.hh"
45
46class GarnetNetwork;
47
48class NetworkLink : public ClockedObject, public Consumer
49{
50 public:
51 typedef NetworkLinkParams Params;
52 NetworkLink(const Params *p);
53 ~NetworkLink();
54
55 void setLinkConsumer(Consumer *consumer);
56 void setSourceQueue(flitBuffer *srcQueue);
57 void setType(link_type type) { m_type = type; }
58 link_type getType() { return m_type; }
59 void print(std::ostream& out) const {}
60 int get_id() const { return m_id; }
61 void wakeup();
62
63 unsigned int getLinkUtilization() const { return m_link_utilized; }
64 const std::vector<unsigned int> & getVcLoad() const { return m_vc_load; }
65
66 inline bool isReady(Cycles curTime)
67 { return linkBuffer->isReady(curTime); }
68
69 inline flit* peekLink() { return linkBuffer->peekTopFlit(); }
70 inline flit* consumeLink() { return linkBuffer->getTopFlit(); }
71
72 uint32_t functionalWrite(Packet *);
| 1/*
2 * Copyright (c) 2008 Princeton University
3 * Copyright (c) 2016 Georgia Institute of Technology
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Niket Agarwal
30 * Tushar Krishna
31 */
32
33
34#ifndef __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__
35#define __MEM_RUBY_NETWORK_GARNET_NETWORK_LINK_HH__
36
37#include <iostream>
38#include <vector>
39
40#include "mem/ruby/common/Consumer.hh"
41#include "mem/ruby/network/garnet2.0/CommonTypes.hh"
42#include "mem/ruby/network/garnet2.0/flitBuffer.hh"
43#include "params/NetworkLink.hh"
44#include "sim/clocked_object.hh"
45
46class GarnetNetwork;
47
48class NetworkLink : public ClockedObject, public Consumer
49{
50 public:
51 typedef NetworkLinkParams Params;
52 NetworkLink(const Params *p);
53 ~NetworkLink();
54
55 void setLinkConsumer(Consumer *consumer);
56 void setSourceQueue(flitBuffer *srcQueue);
57 void setType(link_type type) { m_type = type; }
58 link_type getType() { return m_type; }
59 void print(std::ostream& out) const {}
60 int get_id() const { return m_id; }
61 void wakeup();
62
63 unsigned int getLinkUtilization() const { return m_link_utilized; }
64 const std::vector<unsigned int> & getVcLoad() const { return m_vc_load; }
65
66 inline bool isReady(Cycles curTime)
67 { return linkBuffer->isReady(curTime); }
68
69 inline flit* peekLink() { return linkBuffer->peekTopFlit(); }
70 inline flit* consumeLink() { return linkBuffer->getTopFlit(); }
71
72 uint32_t functionalWrite(Packet *);
|