Network.cc revision 6700 
1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include "mem/protocol/MachineType.hh"
30#include "mem/ruby/network/Network.hh"
31
32Network::Network(const string & name)
33  :  m_name(name)
34{
35  m_virtual_networks = 0;
36  m_topology_ptr = NULL;
37}
38
39void Network::init(const vector<string> & argv)
40{
41  m_nodes = MachineType_base_number(MachineType_NUM); // Total nodes in network
42
43  for (size_t i=0; i<argv.size(); i+=2) {
44   if (argv[i] == "number_of_virtual_networks")
45     m_virtual_networks = atoi(argv[i+1].c_str());
46   else if (argv[i] == "topology")
47     m_topology_ptr = RubySystem::getTopology(argv[i+1]);
48   else if (argv[i] == "buffer_size")
49     m_buffer_size = atoi(argv[i+1].c_str());
50   else if (argv[i] == "endpoint_bandwidth")
51     m_endpoint_bandwidth = atoi(argv[i+1].c_str());
52   else if (argv[i] == "adaptive_routing")
53     m_adaptive_routing = (argv[i+1]=="true");
54   else if (argv[i] == "link_latency")
55     m_link_latency = atoi(argv[i+1].c_str());
56   else if (argv[i] == "control_msg_size")
57     m_control_msg_size = atoi(argv[i+1].c_str());
58  }
59
60  m_data_msg_size = RubySystem::getBlockSizeBytes() + m_control_msg_size;
61
62  assert(m_virtual_networks != 0);
63  assert(m_topology_ptr != NULL);
64}
65
66int Network::MessageSizeType_to_int(MessageSizeType size_type)
67{
68  switch(size_type) {
69  case MessageSizeType_Undefined:
70    ERROR_MSG("Can't convert Undefined MessageSizeType to integer");
71    break;
72  case MessageSizeType_Control:
73  case MessageSizeType_Request_Control:
74  case MessageSizeType_Reissue_Control:
75  case MessageSizeType_Response_Control:
76  case MessageSizeType_Writeback_Control:
77  case MessageSizeType_Forwarded_Control:
78  case MessageSizeType_Invalidate_Control:
79  case MessageSizeType_Unblock_Control:
80  case MessageSizeType_Persistent_Control:
81  case MessageSizeType_Completion_Control:
82    return m_control_msg_size;
83    break;
84  case MessageSizeType_Data:
85  case MessageSizeType_Response_Data:
86  case MessageSizeType_ResponseLocal_Data:
87  case MessageSizeType_ResponseL2hit_Data:
88  case MessageSizeType_Writeback_Data:
89    return m_data_msg_size;
90    break;
91  default:
92    ERROR_MSG("Invalid range for type MessageSizeType");
93    break;
94  }
95  return 0;
96}
97