Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / include / xen / interface / io / xenbus.h
diff --git a/kernel/include/xen/interface/io/xenbus.h b/kernel/include/xen/interface/io/xenbus.h
new file mode 100644 (file)
index 0000000..9fda532
--- /dev/null
@@ -0,0 +1,50 @@
+/*****************************************************************************
+ * 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,
+
+       /*
+       * Reconfiguring: The device is being reconfigured.
+       */
+       XenbusStateReconfiguring = 7,
+
+       XenbusStateReconfigured  = 8
+};
+
+#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:
+ */