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, 26 insertions, 0 deletions

diff --git a/include/exec/hwaddr.h b/include/exec/hwaddr.h
new file mode 100644
index 000000000..8f16d179a
--- /dev/null
+++ b/include/exec/hwaddr.h
@@ -0,0 +1,26 @@
+/* Define hwaddr if it exists.  */
+
+#ifndef HWADDR_H
+#define HWADDR_H
+
+
+#define HWADDR_BITS 64
+/* hwaddr is the type of a physical address (its size can
+   be different from 'target_ulong').  */
+
+typedef uint64_t hwaddr;
+#define HWADDR_MAX UINT64_MAX
+#define TARGET_FMT_plx "%016" PRIx64
+#define HWADDR_PRId PRId64
+#define HWADDR_PRIi PRIi64
+#define HWADDR_PRIo PRIo64
+#define HWADDR_PRIu PRIu64
+#define HWADDR_PRIx PRIx64
+#define HWADDR_PRIX PRIX64
+
+typedef struct MemMapEntry {
+    hwaddr base;
+    hwaddr size;
+} MemMapEntry;
+
+#endif