src/mem/ruby/network/Network.py

   1 # Copyright (c) 2009 Advanced Micro Devices, Inc.
   2 # All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27 # Authors: Steve Reinhardt
  28 #          Brad Beckmann
  29
  30 from m5.params import *
  31 from m5.SimObject import SimObject
  32
  33 class Link(SimObject):
  34     type = 'Link'
  35     latency = Param.Int(1, "")
  36     bw_multiplier = Param.Int("")
  37     weight = Param.Int(1, "")
  38
  39 class ExtLink(Link):
  40     type = 'ExtLink'
  41     ext_node = Param.RubyController("External node")
  42     int_node = Param.Int("ID of internal node")
  43     bw_multiplier = 64
  44
  45 class IntLink(Link):
  46     type = 'IntLink'
  47     node_a = Param.Int("ID of internal node on one end")
  48     node_b = Param.Int("ID of internal node on other end")
  49     bw_multiplier = 16
  50
  51 class Topology(SimObject):
  52     type = 'Topology'
  53     description = Param.String("Not Specified",
  54                                "the name of the imported topology module")
  55     ext_links = VectorParam.ExtLink("Links to external nodes")
  56     int_links = VectorParam.IntLink("Links between internal nodes")
  57     num_int_nodes = Param.Int("Nunber of internal nodes")
  58     print_config = Param.Bool(False,
  59         "display topology config in the stats file")
  60
  61 class RubyNetwork(SimObject):
  62     type = 'RubyNetwork'
  63     cxx_class = 'Network'
  64     abstract = True
  65     number_of_virtual_networks = Param.Int(10, "");
  66     topology = Param.Topology("");
  67     buffer_size = Param.Int(0,
  68         "default buffer size; 0 indicates infinite buffering");
  69     endpoint_bandwidth = Param.Int(10000, "");
  70     adaptive_routing = Param.Bool(False, "enable adaptive routing");
  71     link_latency = Param.Int(1,
  72         "local memory latency ?? NetworkLinkLatency");
  73     control_msg_size = Param.Int(8, "");