1 /******************************************************************************
4 * Interface to /dev/xen/evtchn.
6 * Copyright (c) 2003-2005, K A Fraser
8 * This file may be distributed separately from the Linux kernel, or
9 * incorporated into other software packages, subject to the following license:
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this source file (the "Software"), to deal in the Software without
13 * restriction, including without limitation the rights to use, copy, modify,
14 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
15 * and to permit persons to whom the Software is furnished to do so, subject to
16 * the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30 #ifndef __XEN_EVTCHN_H__
31 #define __XEN_EVTCHN_H__
34 * Bind a fresh port to VIRQ @virq.
36 #define IOCTL_EVTCHN_BIND_VIRQ \
37 _IOWR('E', 4, struct ioctl_evtchn_bind_virq)
38 struct ioctl_evtchn_bind_virq {
44 * Bind a fresh port to remote <@remote_domain, @remote_port>.
46 #define IOCTL_EVTCHN_BIND_INTERDOMAIN \
47 _IOWR('E', 5, struct ioctl_evtchn_bind_interdomain)
48 struct ioctl_evtchn_bind_interdomain {
49 unsigned int remote_domain, remote_port;
54 * Allocate a fresh port for binding to @remote_domain.
56 #define IOCTL_EVTCHN_BIND_UNBOUND_PORT \
57 _IOWR('E', 6, struct ioctl_evtchn_bind_unbound_port)
58 struct ioctl_evtchn_bind_unbound_port {
59 unsigned int remote_domain;
64 * Unbind previously allocated @port.
66 #define IOCTL_EVTCHN_UNBIND \
67 _IOW('E', 7, struct ioctl_evtchn_unbind)
68 struct ioctl_evtchn_unbind {
73 * Send event to previously allocated @port.
75 #define IOCTL_EVTCHN_NOTIFY \
76 _IOW('E', 8, struct ioctl_evtchn_notify)
77 struct ioctl_evtchn_notify {
81 /* Clear and reinitialise the event buffer. Clear error condition. */
82 #define IOCTL_EVTCHN_RESET \
85 #endif /* __XEN_EVTCHN_H__ */