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, 35 insertions, 0 deletions

diff --git a/include/hw/watchdog/wdt_diag288.h b/include/hw/watchdog/wdt_diag288.h
new file mode 100644
index 000000000..f72c1d331
--- /dev/null
+++ b/include/hw/watchdog/wdt_diag288.h
@@ -0,0 +1,35 @@
+#ifndef WDT_DIAG288_H
+#define WDT_DIAG288_H
+
+#include "hw/qdev-core.h"
+#include "qom/object.h"
+
+#define TYPE_WDT_DIAG288 "diag288"
+typedef struct DIAG288Class DIAG288Class;
+typedef struct DIAG288State DIAG288State;
+DECLARE_OBJ_CHECKERS(DIAG288State, DIAG288Class,
+                     DIAG288, TYPE_WDT_DIAG288)
+
+#define WDT_DIAG288_INIT      0
+#define WDT_DIAG288_CHANGE    1
+#define WDT_DIAG288_CANCEL    2
+
+struct DIAG288State {
+    /*< private >*/
+    DeviceState parent_obj;
+    QEMUTimer *timer;
+    bool enabled;
+
+    /*< public >*/
+};
+
+struct DIAG288Class {
+    /*< private >*/
+    DeviceClass parent_class;
+
+    /*< public >*/
+    int (*handle_timer)(DIAG288State *dev,
+                        uint64_t func, uint64_t timeout);
+};
+
+#endif /* WDT_DIAG288_H */