diff options
Diffstat (limited to 'include/xen/interface/io/xenbus.h')
| -rw-r--r-- | include/xen/interface/io/xenbus.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/xen/interface/io/xenbus.h b/include/xen/interface/io/xenbus.h new file mode 100644 index 0000000000..44456e2853 --- /dev/null +++ b/include/xen/interface/io/xenbus.h @@ -0,0 +1,41 @@ +/* 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 */ |