1 files changed, 44 insertions, 0 deletions

diff --git a/include/xen/interface/io/xenbus.h b/include/xen/interface/io/xenbus.h
new file mode 100644
index 000000000000..46508c7fa399
--- /dev/null
+++ b/include/xen/interface/io/xenbus.h
@@ -0,0 +1,44 @@
+/*****************************************************************************
+ * xenbus.h
+ *
+ * Xenbus protocol details.
+ *
+ * Copyright (C) 2005 XenSource Ltd.
+ */
+
+#ifndef _XEN_PUBLIC_IO_XENBUS_H
+#define _XEN_PUBLIC_IO_XENBUS_H
+
+/* The state of either end of the Xenbus, i.e. the current communication
+   status of initialisation across the bus.  States here imply nothing about
+   the state of the connection between the driver and the kernel's device
+   layers.  */
+enum xenbus_state
+{
+        XenbusStateUnknown      = 0,
+        XenbusStateInitialising = 1,
+        XenbusStateInitWait     = 2,  /* Finished early
+                                         initialisation, but waiting
+                                         for information from the peer
+                                         or hotplug scripts. */
+        XenbusStateInitialised  = 3,  /* Initialised and waiting for a
+                                         connection from the peer. */
+        XenbusStateConnected    = 4,
+        XenbusStateClosing      = 5,  /* The device is being closed
+                                         due to an error or an unplug
+                                         event. */
+        XenbusStateClosed       = 6
+
+};
+
+#endif /* _XEN_PUBLIC_IO_XENBUS_H */
+
+/*
+ * Local variables:
+ *  c-file-style: "linux"
+ *  indent-tabs-mode: t
+ *  c-indent-level: 8
+ *  c-basic-offset: 8
+ *  tab-width: 8
+ * End:
+ */