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1/* SPDX-License-Identifier: MIT */2/*****************************************************************************3 * xenbus.h4 *5 * Xenbus protocol details.6 *7 * Copyright (C) 2005 XenSource Ltd.8 */9 10#ifndef _XEN_PUBLIC_IO_XENBUS_H11#define _XEN_PUBLIC_IO_XENBUS_H12 13/* The state of either end of the Xenbus, i.e. the current communication14 status of initialisation across the bus. States here imply nothing about15 the state of the connection between the driver and the kernel's device16 layers. */17enum xenbus_state18{19 XenbusStateUnknown = 0,20 XenbusStateInitialising = 1,21 XenbusStateInitWait = 2, /* Finished early22 initialisation, but waiting23 for information from the peer24 or hotplug scripts. */25 XenbusStateInitialised = 3, /* Initialised and waiting for a26 connection from the peer. */27 XenbusStateConnected = 4,28 XenbusStateClosing = 5, /* The device is being closed29 due to an error or an unplug30 event. */31 XenbusStateClosed = 6,32 33 /*34 * Reconfiguring: The device is being reconfigured.35 */36 XenbusStateReconfiguring = 7,37 38 XenbusStateReconfigured = 839};40 41#endif /* _XEN_PUBLIC_IO_XENBUS_H */42