aboutsummaryrefslogtreecommitdiffstats
path: root/include/xen/evtchn.h
diff options
context:
space:
mode:
authorDan Williams <dan.j.williams@intel.com>2009-09-08 20:55:21 -0400
committerDan Williams <dan.j.williams@intel.com>2009-09-08 20:55:21 -0400
commitbbb20089a3275a19e475dbc21320c3742e3ca423 (patch)
tree216fdc1cbef450ca688135c5b8969169482d9a48 /include/xen/evtchn.h
parent3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff)
parent657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff)
Merge branch 'dmaengine' into async-tx-next
Conflicts: crypto/async_tx/async_xor.c drivers/dma/ioat/dma_v2.h drivers/dma/ioat/pci.c drivers/md/raid5.c
Diffstat (limited to 'include/xen/evtchn.h')
-rw-r--r--include/xen/evtchn.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/include/xen/evtchn.h b/include/xen/evtchn.h
new file mode 100644
index 000000000000..14e833ee4e0b
--- /dev/null
+++ b/include/xen/evtchn.h
@@ -0,0 +1,88 @@
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 */
32
33#ifndef __LINUX_PUBLIC_EVTCHN_H__
34#define __LINUX_PUBLIC_EVTCHN_H__
35
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))
42struct ioctl_evtchn_bind_virq {
43 unsigned int virq;
44};
45
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))
52struct ioctl_evtchn_bind_interdomain {
53 unsigned int remote_domain, remote_port;
54};
55
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))
62struct ioctl_evtchn_bind_unbound_port {
63 unsigned int remote_domain;
64};
65
66/*
67 * Unbind previously allocated @port.
68 */
69#define IOCTL_EVTCHN_UNBIND \
70 _IOC(_IOC_NONE, 'E', 3, sizeof(struct ioctl_evtchn_unbind))
71struct ioctl_evtchn_unbind {
72 unsigned int port;
73};
74
75/*
76 * Unbind previously allocated @port.
77 */
78#define IOCTL_EVTCHN_NOTIFY \
79 _IOC(_IOC_NONE, 'E', 4, sizeof(struct ioctl_evtchn_notify))
80struct ioctl_evtchn_notify {
81 unsigned int port;
82};
83
84/* Clear and reinitialise the event buffer. Clear error condition. */
85#define IOCTL_EVTCHN_RESET \
86 _IOC(_IOC_NONE, 'E', 5, 0)
87
88#endif /* __LINUX_PUBLIC_EVTCHN_H__ */