diff mbox series

[v25,20/21] tests/avocado: s390x cpu topology dedicated errors

Message ID 20231005160155.1945588-21-nsg@linux.ibm.com
State New
Headers show
Series s390x: CPU Topology | expand

Commit Message

Nina Schoetterl-Glausch Oct. 5, 2023, 4:01 p.m. UTC 
From: Pierre Morel <pmorel@linux.ibm.com>

Let's test that QEMU refuses to setup a dedicated CPU with
low or medium entitlement.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
 tests/avocado/s390_topology.py | 48 ++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
diff mbox series

Patch

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 @@  def test_socket_full(self):
         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'], {})