gem5  v20.1.0.0
VirtualChannel.hh
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2020 Inria
3  * Copyright (c) 2016 Georgia Institute of Technology
4  * Copyright (c) 2008 Princeton University
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are
9  * met: redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer;
11  * redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution;
14  * neither the name of the copyright holders nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 
32 #ifndef __MEM_RUBY_NETWORK_GARNET_0_VIRTUALCHANNEL_HH__
33 #define __MEM_RUBY_NETWORK_GARNET_0_VIRTUALCHANNEL_HH__
34 
35 #include <utility>
36 
39 
41 {
42  public:
44  ~VirtualChannel() = default;
45 
46  bool need_stage(flit_stage stage, Tick time);
47  void set_idle(Tick curTime);
48  void set_active(Tick curTime);
49  void set_outvc(int outvc) { m_output_vc = outvc; }
50  inline int get_outvc() { return m_output_vc; }
51  void set_outport(int outport) { m_output_port = outport; };
52  inline int get_outport() { return m_output_port; }
53 
54  inline Tick get_enqueue_time() { return m_enqueue_time; }
55  inline void set_enqueue_time(Tick time) { m_enqueue_time = time; }
56  inline VC_state_type get_state() { return m_vc_state.first; }
57 
58  inline bool
59  isReady(Tick curTime)
60  {
61  return inputBuffer.isReady(curTime);
62  }
63 
64  inline void
65  insertFlit(flit *t_flit)
66  {
67  inputBuffer.insert(t_flit);
68  }
69 
70  inline void
71  set_state(VC_state_type m_state, Tick curTime)
72  {
73  m_vc_state.first = m_state;
74  m_vc_state.second = curTime;
75  }
76 
77  inline flit*
79  {
80  return inputBuffer.peekTopFlit();
81  }
82 
83  inline flit*
85  {
86  return inputBuffer.getTopFlit();
87  }
88 
89  uint32_t functionalWrite(Packet *pkt);
90 
91  private:
97 };
98 
99 #endif // __MEM_RUBY_NETWORK_GARNET_0_VIRTUALCHANNEL_HH__
VirtualChannel::peekTopFlit
flit * peekTopFlit()
Definition: VirtualChannel.hh:78
flitBuffer
Definition: flitBuffer.hh:41
VirtualChannel::set_active
void set_active(Tick curTime)
Definition: VirtualChannel.cc:51
flit
Definition: flit.hh:41
VirtualChannel::~VirtualChannel
~VirtualChannel()=default
VirtualChannel::m_output_port
int m_output_port
Definition: VirtualChannel.hh:94
flit_stage
flit_stage
Definition: CommonTypes.hh:42
VirtualChannel
Definition: VirtualChannel.hh:40
VirtualChannel::set_outvc
void set_outvc(int outvc)
Definition: VirtualChannel.hh:49
Tick
uint64_t Tick
Tick count type.
Definition: types.hh:63
VirtualChannel::VirtualChannel
VirtualChannel()
Definition: VirtualChannel.cc:34
VirtualChannel::getTopFlit
flit * getTopFlit()
Definition: VirtualChannel.hh:84
CommonTypes.hh
flitBuffer.hh
flitBuffer::getTopFlit
flit * getTopFlit()
Definition: flitBuffer.hh:55
VirtualChannel::insertFlit
void insertFlit(flit *t_flit)
Definition: VirtualChannel.hh:65
VirtualChannel::set_idle
void set_idle(Tick curTime)
Definition: VirtualChannel.cc:41
VirtualChannel::need_stage
bool need_stage(flit_stage stage, Tick time)
Definition: VirtualChannel.cc:59
VirtualChannel::isReady
bool isReady(Tick curTime)
Definition: VirtualChannel.hh:59
VC_state_type
VC_state_type
Definition: CommonTypes.hh:40
VirtualChannel::m_output_vc
int m_output_vc
Definition: VirtualChannel.hh:96
VirtualChannel::get_enqueue_time
Tick get_enqueue_time()
Definition: VirtualChannel.hh:54
VirtualChannel::get_outvc
int get_outvc()
Definition: VirtualChannel.hh:50
VirtualChannel::get_outport
int get_outport()
Definition: VirtualChannel.hh:52
VirtualChannel::set_outport
void set_outport(int outport)
Definition: VirtualChannel.hh:51
VirtualChannel::functionalWrite
uint32_t functionalWrite(Packet *pkt)
Definition: VirtualChannel.cc:70
VirtualChannel::m_enqueue_time
Tick m_enqueue_time
Definition: VirtualChannel.hh:95
std::pair< VC_state_type, Tick >
VirtualChannel::inputBuffer
flitBuffer inputBuffer
Definition: VirtualChannel.hh:92
VirtualChannel::set_state
void set_state(VC_state_type m_state, Tick curTime)
Definition: VirtualChannel.hh:71
VirtualChannel::m_vc_state
std::pair< VC_state_type, Tick > m_vc_state
Definition: VirtualChannel.hh:93
flitBuffer::insert
void insert(flit *flt)
Definition: flitBuffer.hh:70
flitBuffer::isReady
bool isReady(Tick curTime)
Definition: flitBuffer.cc:51
Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:257
VirtualChannel::get_state
VC_state_type get_state()
Definition: VirtualChannel.hh:56
flitBuffer::peekTopFlit
flit * peekTopFlit()
Definition: flitBuffer.hh:64
VirtualChannel::set_enqueue_time
void set_enqueue_time(Tick time)
Definition: VirtualChannel.hh:55

Generated on Wed Sep 30 2020 14:02:13 for gem5 by doxygen 1.8.17