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[PATCH v22 19/20] tests/avocado: s390x cpu topology dedicated errors


From: Nina Schoetterl-Glausch
Subject: [PATCH v22 19/20] tests/avocado: s390x cpu topology dedicated errors
Date: Fri, 1 Sep 2023 17:58:11 +0200

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 --git a/tests/avocado/s390_topology.py b/tests/avocado/s390_topology.py
index d1d7a91276..2c47e38dab 100644
--- a/tests/avocado/s390_topology.py
+++ b/tests/avocado/s390_topology.py
@@ -357,3 +357,51 @@ 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'], {})
-- 
2.39.2




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