/*****************************************************************************
* xenbus.h
*
* Xenbus protocol details.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
* 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,
* Initializing: Back-end is initializing.
XenbusStateInitialising = 1,
* InitWait: Finished early initialisation but waiting for information
* from the peer or hotplug scripts.
XenbusStateInitWait = 2,
* Initialised: Waiting for a connection from the peer.
XenbusStateInitialised = 3,
* Connected: The normal state for a front to backend connection.
XenbusStateConnected = 4,
* Closing: The device is being closed due to an error or an unplug event.
XenbusStateClosing = 5,
* Closed: No connection exists between front and back end.
XenbusStateClosed = 6,
* Reconfiguring: The device is being reconfigured.
XenbusStateReconfiguring = 7,
XenbusStateReconfigured = 8
};
typedef enum xenbus_state XenbusState;
#endif /* _XEN_PUBLIC_IO_XENBUS_H */
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
