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authorCornelia Huck <cohuck@redhat.com>2020-11-30 19:02:14 +0100
committerCornelia Huck <cohuck@redhat.com>2020-12-11 11:38:10 +0100
commit083470b579bd7587bf2ecf479eced8ef6103614c (patch)
tree58f834d40c181db9f8bbcf9ee96108e8b058649d /tests
parent2d9ca5a37b12902f461d901e783cc2ffa4842b93 (diff)
tests/acceptance: test virtio-ccw revision handling
The max_revision prop of virtio-ccw devices can be used to force an older revision for compatibility handling. The easiest way to check this is to force a device to revision 0, which turns off virtio-1. Signed-off-by: Cornelia Huck <cohuck@redhat.com> [re-formatted overlong lines] Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Message-Id: <20201130180216.15366-2-cohuck@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/acceptance/machine_s390_ccw_virtio.py20
1 files changed, 18 insertions, 2 deletions
diff --git a/tests/acceptance/machine_s390_ccw_virtio.py b/tests/acceptance/machine_s390_ccw_virtio.py
index db6352c444..c681271972 100644
--- a/tests/acceptance/machine_s390_ccw_virtio.py
+++ b/tests/acceptance/machine_s390_ccw_virtio.py
@@ -51,6 +51,10 @@ class S390CCWVirtioMachine(Test):
'-initrd', initrd_path,
'-append', kernel_command_line,
'-device', 'virtio-net-ccw,devno=fe.1.1111',
+ '-device',
+ 'virtio-rng-ccw,devno=fe.2.0000,max_revision=0',
+ '-device',
+ 'virtio-rng-ccw,devno=fe.3.1234,max_revision=2',
'-device', 'zpci,uid=5,target=zzz',
'-device', 'virtio-net-pci,id=zzz')
self.vm.launch()
@@ -60,9 +64,21 @@ class S390CCWVirtioMachine(Test):
# first debug shell is too early, we need to wait for device detection
exec_command_and_wait_for_pattern(self, 'exit', shell_ready)
- ccw_bus_id="0.1.1111"
+ ccw_bus_ids="0.1.1111 0.2.0000 0.3.1234"
pci_bus_id="0005:00:00.0"
exec_command_and_wait_for_pattern(self, 'ls /sys/bus/ccw/devices/',
- ccw_bus_id)
+ ccw_bus_ids)
exec_command_and_wait_for_pattern(self, 'ls /sys/bus/pci/devices/',
pci_bus_id)
+ # check that the device at 0.2.0000 is in legacy mode, while the
+ # device at 0.3.1234 has the virtio-1 feature bit set
+ virtio_rng_features="00000000000000000000000000001100" + \
+ "10000000000000000000000000000000"
+ virtio_rng_features_legacy="00000000000000000000000000001100" + \
+ "00000000000000000000000000000000"
+ exec_command_and_wait_for_pattern(self,
+ 'cat /sys/bus/ccw/devices/0.2.0000/virtio?/features',
+ virtio_rng_features_legacy)
+ exec_command_and_wait_for_pattern(self,
+ 'cat /sys/bus/ccw/devices/0.3.1234/virtio?/features',
+ virtio_rng_features)