[PATCH v2 4/7] tests/qtest/libqos/virtio-blk: add support for vhost-user-blk

[Dima Stepanov]

Add support for the vhost-user-blk-pci device. This node can be used by
the vhost-user-blk tests. Tests for the vhost-user-blk device are added
in the following patches.

Signed-off-by: Dima Stepanov <dimastep@yandex-team.ru>
---
 tests/qtest/libqos/virtio-blk.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/qtest/libqos/virtio-blk.c b/tests/qtest/libqos/virtio-blk.c
index 5da0259..959c5dc 100644
--- a/tests/qtest/libqos/virtio-blk.c
+++ b/tests/qtest/libqos/virtio-blk.c
@@ -36,6 +36,9 @@ static void *qvirtio_blk_get_driver(QVirtioBlk *v_blk,
     if (!g_strcmp0(interface, "virtio")) {
         return v_blk->vdev;
     }
+    if (!g_strcmp0(interface, "vhost-user-blk")) {
+        return v_blk;
+    }
 
     fprintf(stderr, "%s not present in virtio-blk-device\n", interface);
     g_assert_not_reached();
@@ -120,6 +123,17 @@ static void virtio_blk_register_nodes(void)
     qos_node_produces("virtio-blk-pci", "virtio-blk");
 
     g_free(arg);
+
+    /* vhost-user-blk-pci */
+    arg = g_strdup_printf("id=drv0,chardev=chdev0,addr=%x.%x",
+                                PCI_SLOT, PCI_FN);
+    opts.extra_device_opts = arg;
+    add_qpci_address(&opts, &addr);
+    qos_node_create_driver("vhost-user-blk-pci", virtio_blk_pci_create);
+    qos_node_consumes("vhost-user-blk-pci", "pci-bus", &opts);
+    qos_node_produces("vhost-user-blk-pci", "vhost-user-blk");
+
+    g_free(arg);
 }
 
 libqos_init(virtio_blk_register_nodes);
-- 
2.7.4