/******************************************************************************
* evtchn.h
*
* Interface to /dev/xen/evtchn.
*
* Copyright (c) 2003-2005, K A Fraser
*
* This file may be distributed separately from the Linux kernel, or
* incorporated into other software packages, subject to the following license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this source file (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.
*
* $FreeBSD$
*/
#ifndef __XEN_EVTCHN_H__
#define __XEN_EVTCHN_H__
/*
* Bind a fresh port to VIRQ @virq.
*/
#define IOCTL_EVTCHN_BIND_VIRQ \
_IOWR('E', 4, struct ioctl_evtchn_bind_virq)
struct ioctl_evtchn_bind_virq {
unsigned int virq;
unsigned int port;
};
/*
* Bind a fresh port to remote <@remote_domain, @remote_port>.
*/
#define IOCTL_EVTCHN_BIND_INTERDOMAIN \
_IOWR('E', 5, struct ioctl_evtchn_bind_interdomain)
struct ioctl_evtchn_bind_interdomain {
unsigned int remote_domain, remote_port;
unsigned int port;
};
/*
* Allocate a fresh port for binding to @remote_domain.
*/
#define IOCTL_EVTCHN_BIND_UNBOUND_PORT \
_IOWR('E', 6, struct ioctl_evtchn_bind_unbound_port)
struct ioctl_evtchn_bind_unbound_port {
unsigned int remote_domain;
unsigned int port;
};
/*
* Unbind previously allocated @port.
*/
#define IOCTL_EVTCHN_UNBIND \
_IOW('E', 7, struct ioctl_evtchn_unbind)
struct ioctl_evtchn_unbind {
unsigned int port;
};
/*
* Send event to previously allocated @port.
*/
#define IOCTL_EVTCHN_NOTIFY \
_IOW('E', 8, struct ioctl_evtchn_notify)
struct ioctl_evtchn_notify {
unsigned int port;
};
/* Clear and reinitialise the event buffer. Clear error condition. */
#define IOCTL_EVTCHN_RESET \
_IO('E', 9)
#endif /* __XEN_EVTCHN_H__ */
