[dts] [PATCH] qemu-kvm: Avoid using hardcoded pci-id for access net incase of net type is nic
pvukkisala at marvell.com
pvukkisala at marvell.com
Fri Jun 28 07:30:08 CEST 2019
From: Phanendra Vukkisala <pvukkisala at marvell.com>
Added code to find pci-id of access net interface if nic type is nic else use same hardcoded pci-id
Signed-off-by: Phanendra Vukkisala <pvukkisala at marvell.com>
---
framework/qemu_kvm.py | 37 ++++++++++++++++++++++++++++++++++++-
1 file changed, 36 insertions(+), 1 deletion(-)
diff --git a/framework/qemu_kvm.py b/framework/qemu_kvm.py
index cf1f7e7..ce8da46 100644
--- a/framework/qemu_kvm.py
+++ b/framework/qemu_kvm.py
@@ -544,6 +544,7 @@ class QEMUKvm(VirtBase):
model = options['opt_model']
else:
model = 'e1000'
+ self.nic_model = model
net_boot_line += separator + 'model=%s' % model
if 'opt_name' in options.keys() and \
@@ -1428,6 +1429,31 @@ class QEMUKvm(VirtBase):
return qemu_boot_line
+ def __get_vmnet_pci(self):
+ """
+ Get PCI ID of access net interface on VM
+ """
+ if not getattr(self, 'nic_model', None) is None:
+ pci_reg = r'^.*Bus(\s+)(\d+), device(\s+)(\d+), function (\d+)'
+ dev_reg = r'^.*Ethernet controller:.*([a-fA-F0-9]{4}:[a-fA-F0-9]{4})'
+ if self.nic_model == "e1000":
+ dev_id = "8086:100e"
+ elif self.nic_model == "i82551":
+ dev_id = "8086:1209"
+ elif self.nic_model == "virtio":
+ dev_id = "1af4:1000"
+ out = self.__monitor_session('info', 'pci')
+ lines = out.split("\r\n")
+ for line in lines:
+ m = re.match(pci_reg, line)
+ o = re.match(dev_reg, line)
+ if m:
+ pci = "%02d:%02d.%d" % (
+ int(m.group(2)), int(m.group(4)), int(m.group(5)))
+ if o:
+ if o.group(1) == dev_id:
+ self.net_nic_pci = pci
+
def __wait_vmnet_ready(self):
"""
wait for 120 seconds for vm net ready
@@ -1438,6 +1464,8 @@ class QEMUKvm(VirtBase):
try_times = 0
network_ready = False
while (time_diff < self.START_TIMEOUT):
+ if getattr(self, 'net_nic_pci', None) is None:
+ self.__get_vmnet_pci()
if self.control_command("network") == "Success":
network_ready = True
break
@@ -1825,7 +1853,14 @@ class QEMUKvm(VirtBase):
time.sleep(5)
out = self.control_session.send_expect(self.qga_cmd_head + "ifconfig" , "#", timeout=self.OPERATION_TIMEOUT)
else:
- intf = self.control_session.send_expect("ls -1 /sys/bus/pci/devices/0000:00:1f.0/net", "#", timeout=self.OPERATION_TIMEOUT)
+ pci = "00:1f.0"
+ if not getattr(self, 'net_nic_pci', None) is None:
+ pci = self.net_nic_pci
+ ## If interface is vritio model, net file will be under virtio* directory
+ if self.nic_model == "virtio":
+ pci += "/virtio*/"
+
+ intf = self.control_session.send_expect("ls -1 /sys/bus/pci/devices/0000:%s/net" %pci, "#", timeout=self.OPERATION_TIMEOUT)
out = self.control_session.send_expect("ifconfig %s" % intf, "#", timeout=self.OPERATION_TIMEOUT)
if "10.0.2" not in out:
self.control_session.send_expect("dhclient %s -timeout 10" % intf, "#", timeout=30)
--
1.7.9.5
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