android_kernel_xiaomi_sm8350/include/xen/interface/io/xenbus.h
Jeremy Fitzhardinge a42089dd35 xen: Add Xen interface header files
Add Xen interface header files. These are taken fairly directly from
the Xen tree, but somewhat rearranged to suit the kernel's conventions.

Define macros and inline functions for doing hypercalls into the
hypervisor.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ian Pratt <ian.pratt@xensource.com>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
2007-07-18 08:47:42 -07:00

45 lines
1.1 KiB
C

/*****************************************************************************
* 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
};
#endif /* _XEN_PUBLIC_IO_XENBUS_H */
/*
* Local variables:
* c-file-style: "linux"
* indent-tabs-mode: t
* c-indent-level: 8
* c-basic-offset: 8
* tab-width: 8
* End:
*/