843e19887f64dde75055cf8842fc4db2171eff45johnlev/*****************************************************************************
843e19887f64dde75055cf8842fc4db2171eff45johnlev * xenbus.h
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Xenbus protocol details.
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Permission is hereby granted, free of charge, to any person obtaining a copy
843e19887f64dde75055cf8842fc4db2171eff45johnlev * of this software and associated documentation files (the "Software"), to
843e19887f64dde75055cf8842fc4db2171eff45johnlev * deal in the Software without restriction, including without limitation the
843e19887f64dde75055cf8842fc4db2171eff45johnlev * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
843e19887f64dde75055cf8842fc4db2171eff45johnlev * sell copies of the Software, and to permit persons to whom the Software is
843e19887f64dde75055cf8842fc4db2171eff45johnlev * furnished to do so, subject to the following conditions:
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * The above copyright notice and this permission notice shall be included in
843e19887f64dde75055cf8842fc4db2171eff45johnlev * all copies or substantial portions of the Software.
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
843e19887f64dde75055cf8842fc4db2171eff45johnlev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
843e19887f64dde75055cf8842fc4db2171eff45johnlev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
843e19887f64dde75055cf8842fc4db2171eff45johnlev * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
843e19887f64dde75055cf8842fc4db2171eff45johnlev * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
843e19887f64dde75055cf8842fc4db2171eff45johnlev * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
843e19887f64dde75055cf8842fc4db2171eff45johnlev * DEALINGS IN THE SOFTWARE.
843e19887f64dde75055cf8842fc4db2171eff45johnlev *
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Copyright (C) 2005 XenSource Ltd.
843e19887f64dde75055cf8842fc4db2171eff45johnlev */
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#ifndef _XEN_PUBLIC_IO_XENBUS_H
843e19887f64dde75055cf8842fc4db2171eff45johnlev#define _XEN_PUBLIC_IO_XENBUS_H
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*
843e19887f64dde75055cf8842fc4db2171eff45johnlev * The state of either end of the Xenbus, i.e. the current communication
843e19887f64dde75055cf8842fc4db2171eff45johnlev * status of initialisation across the bus. States here imply nothing about
843e19887f64dde75055cf8842fc4db2171eff45johnlev * the state of the connection between the driver and the kernel's device
843e19887f64dde75055cf8842fc4db2171eff45johnlev * layers.
843e19887f64dde75055cf8842fc4db2171eff45johnlev */
843e19887f64dde75055cf8842fc4db2171eff45johnlevenum xenbus_state {
843e19887f64dde75055cf8842fc4db2171eff45johnlev XenbusStateUnknown = 0,
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev XenbusStateInitialising = 1,
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev /*
843e19887f64dde75055cf8842fc4db2171eff45johnlev * InitWait: Finished early initialisation but waiting for information
843e19887f64dde75055cf8842fc4db2171eff45johnlev * from the peer or hotplug scripts.
843e19887f64dde75055cf8842fc4db2171eff45johnlev */
843e19887f64dde75055cf8842fc4db2171eff45johnlev XenbusStateInitWait = 2,
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev /*
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Initialised: Waiting for a connection from the peer.
843e19887f64dde75055cf8842fc4db2171eff45johnlev */
843e19887f64dde75055cf8842fc4db2171eff45johnlev XenbusStateInitialised = 3,
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev XenbusStateConnected = 4,
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev /*
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Closing: The device is being closed due to an error or an unplug event.
843e19887f64dde75055cf8842fc4db2171eff45johnlev */
843e19887f64dde75055cf8842fc4db2171eff45johnlev XenbusStateClosing = 5,
843e19887f64dde75055cf8842fc4db2171eff45johnlev
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee XenbusStateClosed = 6,
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee /*
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee * Reconfiguring: The device is being reconfigured.
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee */
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee XenbusStateReconfiguring = 7,
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee
349b53dd4e695e3d833b5380540385145b2d3ae8Stuart Maybee XenbusStateReconfigured = 8
843e19887f64dde75055cf8842fc4db2171eff45johnlev};
843e19887f64dde75055cf8842fc4db2171eff45johnlevtypedef enum xenbus_state XenbusState;
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev#endif /* _XEN_PUBLIC_IO_XENBUS_H */
843e19887f64dde75055cf8842fc4db2171eff45johnlev
843e19887f64dde75055cf8842fc4db2171eff45johnlev/*
843e19887f64dde75055cf8842fc4db2171eff45johnlev * Local variables:
843e19887f64dde75055cf8842fc4db2171eff45johnlev * mode: C
843e19887f64dde75055cf8842fc4db2171eff45johnlev * c-set-style: "BSD"
843e19887f64dde75055cf8842fc4db2171eff45johnlev * c-basic-offset: 4
843e19887f64dde75055cf8842fc4db2171eff45johnlev * tab-width: 4
843e19887f64dde75055cf8842fc4db2171eff45johnlev * indent-tabs-mode: nil
843e19887f64dde75055cf8842fc4db2171eff45johnlev * End:
843e19887f64dde75055cf8842fc4db2171eff45johnlev */