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tests/virtio-scsi: add a virtio_error() IOThread test

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Now that virtio_error() calls should work in an IOThread, add a
virtio-scsi IOThread test cases that triggers virtio_error().

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20250922220149.498967-6-stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2025-09-22 18:01:49 -04:00 • committed by Michael S. Tsirkin
parent e06d96d5a9
commit acaa3be3f7
1 changed files with 32 additions and 0 deletions
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32
tests/qtest/virtio-scsi-test.c
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@ -311,6 +311,31 @@ fail:
unlink(tmp_path);
}
static void test_iothread_virtio_error(void *obj, void *data,
QGuestAllocator *t_alloc)
{
QVirtioSCSIPCI *scsi_pci = obj;
QVirtioSCSI *scsi = &scsi_pci->scsi;
QVirtioSCSIQueues *vs;
QVirtQueue *vq;
alloc = t_alloc;
vs = qvirtio_scsi_init(scsi->vdev);
vq = vs->vq[2];
/* Move avail.idx out of bounds to trigger virtio_error() */
qvirtqueue_set_avail_idx(global_qtest, scsi->vdev, vq, vq->size * 2);
scsi->vdev->bus->virtqueue_kick(scsi->vdev, vq);
/*
* Reset the device out of the error state. If QEMU hangs or crashes then
* this will fail.
*/
qvirtio_reset(scsi->vdev);
qvirtio_scsi_pci_free(vs);
}
static void *virtio_scsi_hotplug_setup(GString *cmd_line, void *arg)
{
g_string_append(cmd_line,
@ -383,6 +408,13 @@ static void register_virtio_scsi_test(void)
};
qos_add_test("iothread-attach-node", "virtio-scsi-pci",
test_iothread_attach_node, &opts);
opts.before = virtio_scsi_setup_iothread;
opts.edge = (QOSGraphEdgeOptions) {
.extra_device_opts = "iothread=thread0",
};
qos_add_test("iothread-virtio-error", "virtio-scsi-pci",
test_iothread_virtio_error, &opts);
}
libqos_init(register_virtio_scsi_test);