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, 32 insertions, 0 deletions

diff --git a/include/hw/misc/a9scu.h b/include/hw/misc/a9scu.h
new file mode 100644
index 000000000..c3759fb8c
--- /dev/null
+++ b/include/hw/misc/a9scu.h
@@ -0,0 +1,32 @@
+/*
+ * Cortex-A9MPCore Snoop Control Unit (SCU) emulation.
+ *
+ * Copyright (c) 2009 CodeSourcery.
+ * Copyright (c) 2011 Linaro Limited.
+ * Written by Paul Brook, Peter Maydell.
+ *
+ * This code is licensed under the GPL.
+ */
+#ifndef HW_MISC_A9SCU_H
+#define HW_MISC_A9SCU_H
+
+#include "hw/sysbus.h"
+#include "qom/object.h"
+
+/* A9MP private memory region.  */
+
+struct A9SCUState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    MemoryRegion iomem;
+    uint32_t control;
+    uint32_t status;
+    uint32_t num_cpu;
+};
+
+#define TYPE_A9_SCU "a9-scu"
+OBJECT_DECLARE_SIMPLE_TYPE(A9SCUState, A9_SCU)
+
+#endif