ref: 4fb65ae3e84f536a9b924082b7c59a30d5802e6b
dir: /sys/src/9/xen/xen-public/io/xenbus.h/
/***************************************************************************** * 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, 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, XenbusStateConnected = 4, /* * Closing: The device is being closed due to an error or an unplug event. */ XenbusStateClosing = 5, 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-file-style: "BSD" * c-basic-offset: 4 * tab-width: 4 * indent-tabs-mode: nil * End: */