Network.cc revision 6881:5a61a8a9009a 
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#include "mem/ruby/network/simple/Topology.hh"
32
33Network::Network(const Params *p)
34    : SimObject(p)
35{
36    m_virtual_networks = p->number_of_virtual_networks;
37    m_topology_ptr = p->topology;
38    m_buffer_size = p->buffer_size;
39    m_endpoint_bandwidth = p->endpoint_bandwidth;
40    m_adaptive_routing = p->adaptive_routing;
41    m_link_latency = p->link_latency;
42    m_control_msg_size = p->control_msg_size;
43
44    //
45    // Total nodes/controllers in network
46    // Must make sure this is called after the State Machine constructors
47    //
48    m_nodes = MachineType_base_number(MachineType_NUM);
49    assert(m_nodes != 0);
50
51    assert(m_virtual_networks != 0);
52    assert(m_topology_ptr != NULL);
53
54    //
55    // Initialize the controller's network pointers
56    //
57    m_topology_ptr->initNetworkPtr(this);
58}
59
60void Network::init()
61{
62  m_data_msg_size = RubySystem::getBlockSizeBytes() + m_control_msg_size;
63}
64
65int Network::MessageSizeType_to_int(MessageSizeType size_type)
66{
67  switch(size_type) {
68  case MessageSizeType_Undefined:
69    ERROR_MSG("Can't convert Undefined MessageSizeType to integer");
70    break;
71  case MessageSizeType_Control:
72  case MessageSizeType_Request_Control:
73  case MessageSizeType_Reissue_Control:
74  case MessageSizeType_Response_Control:
75  case MessageSizeType_Writeback_Control:
76  case MessageSizeType_Forwarded_Control:
77  case MessageSizeType_Invalidate_Control:
78  case MessageSizeType_Unblock_Control:
79  case MessageSizeType_Persistent_Control:
80  case MessageSizeType_Completion_Control:
81    return m_control_msg_size;
82    break;
83  case MessageSizeType_Data:
84  case MessageSizeType_Response_Data:
85  case MessageSizeType_ResponseLocal_Data:
86  case MessageSizeType_ResponseL2hit_Data:
87  case MessageSizeType_Writeback_Data:
88    return m_data_msg_size;
89    break;
90  default:
91    ERROR_MSG("Invalid range for type MessageSizeType");
92    break;
93  }
94  return 0;
95}
96