1/***************************************************************************** 2 * xenbus.h 3 * 4 * Xenbus protocol details. 5 * 6 * Copyright (C) 2005 XenSource Ltd. 7 */ 8 9#ifndef _XEN_PUBLIC_IO_XENBUS_H 10#define _XEN_PUBLIC_IO_XENBUS_H 11 12/* The state of either end of the Xenbus, i.e. the current communication 13 status of initialisation across the bus. States here imply nothing about 14 the state of the connection between the driver and the kernel's device 15 layers. */ 16enum xenbus_state 17{ 18 XenbusStateUnknown = 0, 19 XenbusStateInitialising = 1, 20 XenbusStateInitWait = 2, /* Finished early 21 initialisation, but waiting 22 for information from the peer 23 or hotplug scripts. */ 24 XenbusStateInitialised = 3, /* Initialised and waiting for a 25 connection from the peer. */ 26 XenbusStateConnected = 4, 27 XenbusStateClosing = 5, /* The device is being closed 28 due to an error or an unplug 29 event. */ 30 XenbusStateClosed = 6 31 32}; 33 34#endif /* _XEN_PUBLIC_IO_XENBUS_H */ 35 36/* 37 * Local variables: 38 * c-file-style: "linux" 39 * indent-tabs-mode: t 40 * c-indent-level: 8 41 * c-basic-offset: 8 42 * tab-width: 8 43 * End: 44 */ 45