megasas: add qtest

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/tests/megasas-test.c b/tests/megasas-test.c
new file mode 100644
index 0000000..a9e56a2
--- /dev/null
+++ b/tests/megasas-test.c
@@ -0,0 +1,51 @@
+/*
+ * QTest testcase for LSI MegaRAID
+ *
+ * Copyright (c) 2017 Red Hat Inc.
+ *
+ * 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 "qemu/osdep.h"
+#include "libqtest.h"
+#include "qemu/bswap.h"
+#include "libqos/libqos-pc.h"
+#include "libqos/libqos-spapr.h"
+
+static QOSState *qmegasas_start(const char *extra_opts)
+{
+    const char *arch = qtest_get_arch();
+    const char *cmd = "-drive id=hd0,if=none,file=null-co://,format=raw "
+                      "-device megasas,id=scsi0,addr=04.0 "
+                      "-device scsi-hd,bus=scsi0.0,drive=hd0 %s";
+
+    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+        return qtest_pc_boot(cmd, extra_opts ? : "");
+    }
+
+    g_printerr("virtio-scsi tests are only available on x86 or ppc64\n");
+    exit(EXIT_FAILURE);
+}
+
+static void qmegasas_stop(QOSState *qs)
+{
+    qtest_shutdown(qs);
+}
+
+/* Tests only initialization so far. TODO: Replace with functional tests */
+static void pci_nop(void)
+{
+    QOSState *qs;
+
+    qs = qmegasas_start(NULL);
+    qmegasas_stop(qs);
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    qtest_add_func("/megasas/pci/nop", pci_nop);
+
+    return g_test_run();
+}