From 22ac7809bbd0dc338836ac9f0e5330c18e13e08c Mon Sep 17 00:00:00 2001 From: Pierre Morel Date: Mon, 16 Oct 2023 20:39:24 +0200 Subject: [PATCH] tests/avocado: s390x cpu topology dedicated errors Let's test that QEMU refuses to setup a dedicated CPU with low or medium entitlement. Signed-off-by: Pierre Morel Reviewed-by: Thomas Huth Message-ID: <20231016183925.2384704-21-nsg@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/avocado/s390_topology.py | 48 ++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py index a63c2b2923..d3e6556c0f 100644 --- a/tests/avocado/s390_topology.py +++ b/tests/avocado/s390_topology.py @@ -364,3 +364,51 @@ class S390CPUTopology(QemuSystemTest): res = self.vm.qmp('set-cpu-topology', {'core-id': 2, 'socket-id': 0, 'book-id': 1}) self.assertEqual(res['return'], {}) + + def test_dedicated_error(self): + """ + This test verifies that QEMU refuses to lower the entitlement + of a dedicated CPU + + :avocado: tags=arch:s390x + :avocado: tags=machine:s390-ccw-virtio + """ + self.kernel_init() + self.vm.launch() + self.wait_until_booted() + + self.system_init() + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'dedicated': True}) + self.assertEqual(res['return'], {}) + + self.check_topology(0, 0, 0, 0, 'high', True) + + self.guest_set_dispatching('1'); + + self.check_topology(0, 0, 0, 0, 'high', True) + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'low', 'dedicated': True}) + self.assertEqual(res['error']['class'], 'GenericError') + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'low'}) + self.assertEqual(res['error']['class'], 'GenericError') + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'medium', 'dedicated': True}) + self.assertEqual(res['error']['class'], 'GenericError') + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'medium'}) + self.assertEqual(res['error']['class'], 'GenericError') + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'low', 'dedicated': False}) + self.assertEqual(res['return'], {}) + + res = self.vm.qmp('set-cpu-topology', + {'core-id': 0, 'entitlement': 'medium', 'dedicated': False}) + self.assertEqual(res['return'], {})