| /* SPDX-License-Identifier: MIT */ |
| /***************************************************************************** |
| * xenbus.h |
| * |
| * Xenbus protocol details. |
| * |
| * 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, |
| XenbusStateInitWait = 2, /* Finished early |
| initialisation, but waiting |
| for information from the peer |
| or hotplug scripts. */ |
| XenbusStateInitialised = 3, /* Initialised and waiting for a |
| connection from the peer. */ |
| XenbusStateConnected = 4, |
| XenbusStateClosing = 5, /* The device is being closed |
| due to an error or an unplug |
| event. */ |
| XenbusStateClosed = 6, |
| |
| /* |
| * Reconfiguring: The device is being reconfigured. |
| */ |
| XenbusStateReconfiguring = 7, |
| |
| XenbusStateReconfigured = 8 |
| }; |
| |
| #endif /* _XEN_PUBLIC_IO_XENBUS_H */ |
