direct-io.hg

view linux-2.6-xen-sparse/include/xen/public/evtchn.h @ 11509:2e6c10dc7c0b

[POWERPC][XEN] make sure put_domain() is called in case of allocate_rma() failuer

Signed-off-by: Jimi Xenidis <jimix@watson.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
author Jimi Xenidis <jimix@watson.ibm.com>
date Tue Sep 12 10:53:46 2006 -0400 (2006-09-12)
parents 48c0f5489d44
children 7e79259c2c17
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 program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version 2
10 * as published by the Free Software Foundation; or, when distributed
11 * separately from the Linux kernel or incorporated into other
12 * software packages, subject to the following license:
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining a copy
15 * of this source file (the "Software"), to deal in the Software without
16 * restriction, including without limitation the rights to use, copy, modify,
17 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
18 * and to permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30 * IN THE SOFTWARE.
31 */
33 #ifndef __LINUX_PUBLIC_EVTCHN_H__
34 #define __LINUX_PUBLIC_EVTCHN_H__
36 /* /dev/xen/evtchn resides at device number major=10, minor=201 */
37 #define EVTCHN_MINOR 201
39 /*
40 * Bind a fresh port to VIRQ @virq.
41 * Return allocated port.
42 */
43 #define IOCTL_EVTCHN_BIND_VIRQ \
44 _IOC(_IOC_NONE, 'E', 0, sizeof(struct ioctl_evtchn_bind_virq))
45 struct ioctl_evtchn_bind_virq {
46 unsigned int virq;
47 };
49 /*
50 * Bind a fresh port to remote <@remote_domain, @remote_port>.
51 * Return allocated port.
52 */
53 #define IOCTL_EVTCHN_BIND_INTERDOMAIN \
54 _IOC(_IOC_NONE, 'E', 1, sizeof(struct ioctl_evtchn_bind_interdomain))
55 struct ioctl_evtchn_bind_interdomain {
56 unsigned int remote_domain, remote_port;
57 };
59 /*
60 * Allocate a fresh port for binding to @remote_domain.
61 * Return allocated port.
62 */
63 #define IOCTL_EVTCHN_BIND_UNBOUND_PORT \
64 _IOC(_IOC_NONE, 'E', 2, sizeof(struct ioctl_evtchn_bind_unbound_port))
65 struct ioctl_evtchn_bind_unbound_port {
66 unsigned int remote_domain;
67 };
69 /*
70 * Unbind previously allocated @port.
71 */
72 #define IOCTL_EVTCHN_UNBIND \
73 _IOC(_IOC_NONE, 'E', 3, sizeof(struct ioctl_evtchn_unbind))
74 struct ioctl_evtchn_unbind {
75 unsigned int port;
76 };
78 /*
79 * Unbind previously allocated @port.
80 */
81 #define IOCTL_EVTCHN_NOTIFY \
82 _IOC(_IOC_NONE, 'E', 4, sizeof(struct ioctl_evtchn_notify))
83 struct ioctl_evtchn_notify {
84 unsigned int port;
85 };
87 /* Clear and reinitialise the event buffer. Clear error condition. */
88 #define IOCTL_EVTCHN_RESET \
89 _IOC(_IOC_NONE, 'E', 5, 0)
91 #endif /* __LINUX_PUBLIC_EVTCHN_H__ */