On Fri, Nov 19, 2021 at 10:07:14AM +0100, Laurent Vivier wrote:
> This series adds a qtest entry to test virtio-net failover feature.
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
> We check following error cases:
>
> - check missing id on device with failover_pair_id triggers an error
> - check a primary device plugged on a bus that doesn't support hotplug
> triggers an error
>
> We check the status of the machine before and after hotplugging cards and
> feature negotiation:
>
> - check we don't see the primary device at boot if failover is on
> - check we see the primary device at boot if failover is off
> - check we don't see the primary device if failover is on
> but failover_pair_id is not the one with on (I think this should be changed)
> - check the primary device is plugged after the feature negotiation
> - check the result if the primary device is plugged before standby device and
> vice-versa
> - check the if the primary device is coldplugged and the standy device
> hotplugged and vice-versa
> - check the migration triggers the unplug and the hotplug
>
> There is one preliminary patch in the series:
>
> - PATCH 1 introduces a function to enable PCI bridge.
> Failover needs to be plugged on a pcie-root-port and while
> the root port is not configured the cards behind it are not
> available
>
> v5:
> - re-add the wait-unplug test that has been removed from v4 by mistake.
>
> v4:
> - rely on query-migrate status to know the migration state rather than
> to wait the STOP event.
> - remove the patch to add time out to qtest_qmp_eventwait()
>
> v3:
> - fix a bug with ACPI unplug and add the related test
>
> v2:
> - remove PATCH 1 that introduced a function that can be replaced by
> qobject_to_json_pretty() (Markus)
> - Add migration to a file and from the file to check the card is
> correctly unplugged on the source, and hotplugged on the dest
> - Add an ACPI call to eject the card as the kernel would do
>
> Laurent Vivier (4):
> qtest/libqos: add a function to initialize secondary PCI buses
> tests/qtest: add some tests for virtio-net failover
> failover: fix unplug pending detection
> tests/libqtest: update virtio-net failover test
>
> hw/acpi/pcihp.c | 30 +-
> include/hw/pci/pci_bridge.h | 8 +
> tests/qtest/libqos/pci.c | 118 ++++++
> tests/qtest/libqos/pci.h | 1 +
> tests/qtest/meson.build | 3 +
> tests/qtest/virtio-net-failover.c | 681 ++++++++++++++++++++++++++++++
> 6 files changed, 838 insertions(+), 3 deletions(-)
> create mode 100644 tests/qtest/virtio-net-failover.c
>
> --
> 2.33.1
>