Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 30 insertions, 0 deletions

diff --git a/util/nvdimm-utils.c b/util/nvdimm-utils.c
new file mode 100644
index 000000000..aa3d199f2
--- /dev/null
+++ b/util/nvdimm-utils.c
@@ -0,0 +1,30 @@
+#include "qemu/osdep.h"
+#include "qemu/nvdimm-utils.h"
+#include "hw/mem/nvdimm.h"
+
+static int nvdimm_device_list(Object *obj, void *opaque)
+{
+    GSList **list = opaque;
+
+    if (object_dynamic_cast(obj, TYPE_NVDIMM)) {
+        *list = g_slist_append(*list, DEVICE(obj));
+    }
+
+    object_child_foreach(obj, nvdimm_device_list, opaque);
+    return 0;
+}
+
+/*
+ * inquire NVDIMM devices and link them into the list which is
+ * returned to the caller.
+ *
+ * Note: it is the caller's responsibility to free the list to avoid
+ * memory leak.
+ */
+GSList *nvdimm_get_device_list(void)
+{
+    GSList *list = NULL;
+
+    object_child_foreach(qdev_get_machine(), nvdimm_device_list, &list);
+    return list;
+}