It tests proper seg_max_adjust settings for all machine types except
'none', 'isapc', 'microvm'
Signed-off-by: Denis Plotnikov <address@hidden>
---
tests/acceptance/virtio_seg_max_adjust.py | 134 ++++++++++++++++++++++
1 file changed, 134 insertions(+)
create mode 100755 tests/acceptance/virtio_seg_max_adjust.py
diff --git a/tests/acceptance/virtio_seg_max_adjust.py
b/tests/acceptance/virtio_seg_max_adjust.py
new file mode 100755
index 0000000000..5458573138
--- /dev/null
+++ b/tests/acceptance/virtio_seg_max_adjust.py
@@ -0,0 +1,134 @@
+#!/usr/bin/env python
+#
+# Test virtio-scsi and virtio-blk queue settings for all machine types
+#
+# Copyright (c) 2019 Virtuozzo International GmbH
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import sys
+import os
+import re
+
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..',
'python'))
+from qemu.machine import QEMUMachine
+from avocado_qemu import Test
+
+#list of machine types and virtqueue properties to test
+VIRTIO_SCSI_PROPS = {'seg_max_adjust': 'seg_max_adjust'}
+VIRTIO_BLK_PROPS = {'seg_max_adjust': 'seg-max-adjust'}
+
+DEV_TYPES = {'virtio-scsi-pci': VIRTIO_SCSI_PROPS,
+ 'virtio-blk-pci': VIRTIO_BLK_PROPS}
+
+VM_DEV_PARAMS = {'virtio-scsi-pci': ['-device',
'virtio-scsi-pci,id=scsi0'],
+ 'virtio-blk-pci': ['-device',
+ 'virtio-blk-pci,id=scsi0,drive=drive0',
+ '-drive',
+ 'driver=null-co,id=drive0,if=none']}
+
+
+class VirtioMaxSegSettingsCheck(Test):
+ @staticmethod
+ def make_pattern(props):
+ pattern_items = ['{0} = \w+'.format(prop) for prop in props]
+ return '|'.join(pattern_items)
+
+ def query_virtqueue(self, vm, dev_type_name):
+ query_ok = False
+ error = None
+ props = None
+
+ output = vm.command('human-monitor-command',
+ command_line = 'info qtree')
+ props_list = DEV_TYPES[dev_type_name].values();
+ pattern = self.make_pattern(props_list)
+ res = re.findall(pattern, output)
+
+ if len(res) != len(props_list):
+ props_list = set(props_list)
+ res = set(res)
+ not_found = props_list.difference(res)
+ not_found = ', '.join(not_found)
+ error = '({0}): The following properties not found: {1}'\
+ .format(dev_type_name, not_found)
+ else:
+ query_ok = True
+ props = dict()
+ for prop in res:
+ p = prop.split(' = ')
+ props[p[0]] = p[1]
+ return query_ok, props, error
+
+ def check_mt(self, mt, dev_type_name):
+ with QEMUMachine(self.qemu_bin) as vm:
+ vm.set_machine(mt["name"])
+ for s in VM_DEV_PARAMS[dev_type_name]:
+ vm.add_args(s)
+ vm.launch()
+ query_ok, props, error = self.query_virtqueue(vm,
dev_type_name)
+
+ if not query_ok:
+ self.fail('machine type {0}: {1}'.format(mt['name'],
error))
+
+ for prop_name, prop_val in props.items():
+ expected_val = mt[prop_name]
+ self.assertEqual(expected_val, prop_val)
+
+ @staticmethod
+ def seg_max_adjust_enabled(mt):
+ # machine types >= 5.0 should have seg_max_adjust = true
+ # others seg_max_adjust = false
+ mt = mt.split("-")
+
+ # machine types with one line name and name like pc-x.x
+ if len(mt) <= 2:
+ return False
+
+ # machine types like pc-<chip_name>-x.x[.x]
+ ver = mt[2]
+ ver = ver.split(".");
+
+ # versions >= 5.0 goes with seg_max_adjust enabled
+ major = int(ver[0])
+
+ if major >= 5:
+ return True
+ return False
+
+ def test_machine_types(self):
+ # collect all machine types except 'none', 'isapc', 'microvm'
+ with QEMUMachine(self.qemu_bin) as vm:
+ vm.launch()
+ machines = [m['name'] for m in
vm.command('query-machines')]
+ vm.shutdown()
+ machines.remove('none')
+ machines.remove('isapc')
+ machines.remove('microvm')
+
+ for dev_type in DEV_TYPES:
+ # create the list of machine types and their parameters.
+ mtypes = list()
+ for m in machines:
+ if self.seg_max_adjust_enabled(m):
+ enabled = 'true'
+ else:
+ enabled = 'false'
+ mtypes.append({'name': m,
+ DEV_TYPES[dev_type]['seg_max_adjust']: enabled})
+
+ # test each machine type for a device type
+ for mt in mtypes:
+ self.check_mt(mt, dev_type)