experiments: add pci validation experiment

experiments/pyexps/pci_validation.py

+# Copyright 2021 Max Planck Institute for Software Systems, and
+# National University of Singapore
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+"""Validation experiment for our PCI interface by running with the builtin gem5
+e1000 NIC, and then with the extracted gem5 e1000 NIC connected through
+SimBricks."""
+
+import simbricks.experiments as exp
+import simbricks.simulators as sim
+import simbricks.nodeconfig as node
+
+experiments = []
+
+
+for internal in [True, False]:
+    if internal:
+        e = exp.Experiment('pci_validation-internal')
+    else:
+        e = exp.Experiment('pci_validation-external')
+    e.checkpoint = False
+
+    net = sim.SwitchNet()
+    e.add_network(net)
+
+    server = sim.Gem5Host()
+    server.name = 'server'
+    nc_server = node.E1000LinuxNode()
+    nc_server.prefix = 24
+    nc_server.ip = '10.0.0.1'
+    nc_server.force_mac_addr = '00:90:00:00:00:01'
+    nc_server.app = node.NetperfServer()
+    server.set_config(nc_server)
+    e.add_host(server)
+
+    client = sim.Gem5Host()
+    client.name = 'client'
+    nc_client = node.E1000LinuxNode()
+    nc_client.prefix = 24
+    nc_client.ip = '10.0.0.2'
+    nc_client.force_mac_addr = '00:90:00:00:00:02'
+    nc_client.app = node.NetperfClient()
+    nc_client.app.server_ip = '10.0.0.1'
+    nc_client.app.duration_tp = -1000000
+    nc_client.app.duration_lat = -1000
+    client.set_config(nc_client)
+    client.wait = True
+    e.add_host(client)
+
+    for h in [client, server]:
+        h.cpu_type = h.cpu_type_cp = 'TimingSimpleCPU'
+        h.extra_main_args.append('--debug-flags=SimBricksEthernet,SimBricksPci,EthernetAll,EthernetDesc')
+        if internal:
+            h.add_netdirect(net)
+        else:
+            nic = sim.E1000NIC()
+            nic.debug = True
+            nic.set_network(net)
+            # force same mac address in HW as in gem5 (same default for both)
+            nic.mac = '00:90:00:00:00:01'
+            h.add_nic(nic)
+            e.add_nic(nic)
+
+    experiments.append(e)