ia64/xen-unstable

view linux-2.6-xen-sparse/include/asm-xen/linux-public/evtchn.h @ 8534:da7873110bbb

Tiny bootstrap cleanup.

Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@firebug.cl.cam.ac.uk
date Mon Jan 09 19:46:46 2006 +0100 (2006-01-09)
parents 76a7a7aa27e4
children
line source
1 /******************************************************************************
2 * evtchn.h
3 *
4 * Interface to /dev/xen/evtchn.
5 *
6 * Copyright (c) 2003-2005, K A Fraser
7 *
8 * This file may be distributed separately from the Linux kernel, or
9 * incorporated into other software packages, subject to the following license:
10 *
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:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20 *
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
27 * IN THE SOFTWARE.
28 */
30 #ifndef __LINUX_PUBLIC_EVTCHN_H__
31 #define __LINUX_PUBLIC_EVTCHN_H__
33 /* /dev/xen/evtchn resides at device number major=10, minor=201 */
34 #define EVTCHN_MINOR 201
36 /*
37 * Bind a fresh port to VIRQ @virq.
38 * Return allocated port.
39 */
40 #define IOCTL_EVTCHN_BIND_VIRQ \
41 _IOC(_IOC_NONE, 'E', 0, sizeof(struct ioctl_evtchn_bind_virq))
42 struct ioctl_evtchn_bind_virq {
43 unsigned int virq;
44 };
46 /*
47 * Bind a fresh port to remote <@remote_domain, @remote_port>.
48 * Return allocated port.
49 */
50 #define IOCTL_EVTCHN_BIND_INTERDOMAIN \
51 _IOC(_IOC_NONE, 'E', 1, sizeof(struct ioctl_evtchn_bind_interdomain))
52 struct ioctl_evtchn_bind_interdomain {
53 unsigned int remote_domain, remote_port;
54 };
56 /*
57 * Allocate a fresh port for binding to @remote_domain.
58 * Return allocated port.
59 */
60 #define IOCTL_EVTCHN_BIND_UNBOUND_PORT \
61 _IOC(_IOC_NONE, 'E', 2, sizeof(struct ioctl_evtchn_bind_unbound_port))
62 struct ioctl_evtchn_bind_unbound_port {
63 unsigned int remote_domain;
64 };
66 /*
67 * Unbind previously allocated @port.
68 */
69 #define IOCTL_EVTCHN_UNBIND \
70 _IOC(_IOC_NONE, 'E', 3, sizeof(struct ioctl_evtchn_unbind))
71 struct ioctl_evtchn_unbind {
72 unsigned int port;
73 };
75 /*
76 * Unbind previously allocated @port.
77 */
78 #define IOCTL_EVTCHN_NOTIFY \
79 _IOC(_IOC_NONE, 'E', 4, sizeof(struct ioctl_evtchn_notify))
80 struct ioctl_evtchn_notify {
81 unsigned int port;
82 };
84 /* Clear and reinitialise the event buffer. Clear error condition. */
85 #define IOCTL_EVTCHN_RESET \
86 _IOC(_IOC_NONE, 'E', 5, 0)
88 #endif /* __LINUX_PUBLIC_EVTCHN_H__ */
90 /*
91 * Local variables:
92 * c-file-style: "linux"
93 * indent-tabs-mode: t
94 * c-indent-level: 8
95 * c-basic-offset: 8
96 * tab-width: 8
97 * End:
98 */