2 files changed, 20 insertions, 0 deletions
diff --git a/tests/libqos/virtio.c b/tests/libqos/virtio.c
index 9880a6964e..0879a621c8 100644
--- a/tests/libqos/virtio.c
+++ b/tests/libqos/virtio.c
@@ -339,3 +339,20 @@ void qvirtqueue_set_used_event(QVirtQueue *vq, uint16_t idx)
     /* vq->avail->used_event */
     writew(vq->avail + 4 + (2 * vq->size), idx);
 }
+
+/*
+ * qvirtio_get_dev_type:
+ * Returns: the preferred virtio bus/device type for the current architecture.
+ */
+const char *qvirtio_get_dev_type(void)
+{
+    const char *arch = qtest_get_arch();
+
+    if (g_str_equal(arch, "arm") || g_str_equal(arch, "aarch64")) {
+        return "device";  /* for virtio-mmio */
+    } else if (g_str_equal(arch, "s390x")) {
+        return "ccw";
+    } else {
+        return "pci";
+    }
+}
diff --git a/tests/libqos/virtio.h b/tests/libqos/virtio.h
index 8fbcd1869c..0a04740adf 100644
--- a/tests/libqos/virtio.h
+++ b/tests/libqos/virtio.h
@@ -143,4 +143,7 @@ void qvirtqueue_kick(QVirtioDevice *d, QVirtQueue *vq, uint32_t free_head);
 bool qvirtqueue_get_buf(QVirtQueue *vq, uint32_t *desc_idx);
 
 void qvirtqueue_set_used_event(QVirtQueue *vq, uint16_t idx);
+
+const char *qvirtio_get_dev_type(void);
+
 #endif