tests: Add virtio-rng qtest

Cc: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NAndreas Färber <afaerber@suse.de>

tests/Makefile

@@ -76,6 +76,8 @@ check-qtest-virtio-y += tests/virtio-balloon-test$(EXESUF)
 gcov-files-virtio-y += i386-softmmu/hw/virtio/virtio-balloon.c
 check-qtest-virtio-y += tests/virtio-blk-test$(EXESUF)
 gcov-files-virtio-y += i386-softmmu/hw/block/virtio-blk.c
+check-qtest-virtio-y += tests/virtio-rng-test$(EXESUF)
+gcov-files-virtio-y += hw/virtio/virtio-rng.c
 
 check-qtest-pci-y += tests/e1000-test$(EXESUF)
 gcov-files-pci-y += hw/net/e1000.c
@@ -246,6 +248,7 @@ tests/ne2000-test$(EXESUF): tests/ne2000-test.o
 tests/virtio-balloon-test$(EXESUF): tests/virtio-balloon-test.o
 tests/virtio-blk-test$(EXESUF): tests/virtio-blk-test.o
 tests/virtio-net-test$(EXESUF): tests/virtio-net-test.o
+tests/virtio-rng-test$(EXESUF): tests/virtio-rng-test.o
 tests/tpci200-test$(EXESUF): tests/tpci200-test.o
 tests/ipoctal232-test$(EXESUF): tests/ipoctal232-test.o
 tests/qom-test$(EXESUF): tests/qom-test.o

tests/virtio-rng-test.c

+/*
+ * QTest testcase for VirtIO RNG
+ *
+ * Copyright (c) 2014 SUSE LINUX Products GmbH
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <glib.h>
+#include <string.h>
+#include "libqtest.h"
+#include "qemu/osdep.h"
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void pci_nop(void)
+{
+}
+
+int main(int argc, char **argv)
+{
+    int ret;
+
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/virtio/rng/pci/nop", pci_nop);
+
+    qtest_start("-device virtio-rng-pci");
+    ret = g_test_run();
+
+    qtest_end();
+
+    return ret;
+}