tests/x86: Add 'q35' machine type to ivshmem-test

Configure pci bridge setting to test ivshmem on 'q35'.

Signed-off-by: Michael Labiuk <michael.labiuk@virtuozzo.com>
Message-Id: <20220929223547.1429580-10-michael.labiuk@virtuozzo.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/qtest/ivshmem-test.c

@@ -378,6 +378,20 @@ static void test_ivshmem_server(void)
     close(thread.pipe[0]);
 }
 
+static void test_ivshmem_hotplug_q35(void)
+{
+    QTestState *qts = qtest_init("-object memory-backend-ram,size=1M,id=mb1 "
+                                 "-device pcie-root-port,id=p1 "
+                                 "-device pcie-pci-bridge,bus=p1,id=b1 "
+                                 "-machine q35");
+
+    qtest_qmp_device_add(qts, "ivshmem-plain", "iv1",
+                         "{'memdev': 'mb1', 'bus': 'b1'}");
+    qtest_qmp_device_del_send(qts, "iv1");
+
+    qtest_quit(qts);
+}
+
 #define PCI_SLOT_HP             0x06
 
 static void test_ivshmem_hotplug(void)
@@ -469,6 +483,7 @@ int main(int argc, char **argv)
 {
     int ret, fd;
     gchar dir[] = "/tmp/ivshmem-test.XXXXXX";
+    const char *arch = qtest_get_arch();
 
     g_test_init(&argc, &argv, NULL);
 
@@ -494,6 +509,9 @@ int main(int argc, char **argv)
         qtest_add_func("/ivshmem/pair", test_ivshmem_pair);
         qtest_add_func("/ivshmem/server", test_ivshmem_server);
     }
+    if (!strcmp(arch, "x86_64") && qtest_has_machine("q35")) {
+        qtest_add_func("/ivshmem/hotplug-q35", test_ivshmem_hotplug_q35);
+    }
 
 out:
     ret = g_test_run();