ia64/xen-unstable

view xen/include/public/io/xenbus.h @ 17101:b21b434b3b1a

New Xenbus states Reconfiguring and Reconfigured.
Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>
author Keir Fraser <keir.fraser@citrix.com>
date Fri Feb 22 10:07:35 2008 +0000 (2008-02-22)
parents 0c2816fb60b9
children
line source
1 /*****************************************************************************
2 * xenbus.h
3 *
4 * Xenbus protocol details.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to
8 * deal in the Software without restriction, including without limitation the
9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Copyright (C) 2005 XenSource Ltd.
25 */
27 #ifndef _XEN_PUBLIC_IO_XENBUS_H
28 #define _XEN_PUBLIC_IO_XENBUS_H
30 /*
31 * The state of either end of the Xenbus, i.e. the current communication
32 * status of initialisation across the bus. States here imply nothing about
33 * the state of the connection between the driver and the kernel's device
34 * layers.
35 */
36 enum xenbus_state {
37 XenbusStateUnknown = 0,
39 XenbusStateInitialising = 1,
41 /*
42 * InitWait: Finished early initialisation but waiting for information
43 * from the peer or hotplug scripts.
44 */
45 XenbusStateInitWait = 2,
47 /*
48 * Initialised: Waiting for a connection from the peer.
49 */
50 XenbusStateInitialised = 3,
52 XenbusStateConnected = 4,
54 /*
55 * Closing: The device is being closed due to an error or an unplug event.
56 */
57 XenbusStateClosing = 5,
59 XenbusStateClosed = 6,
61 /*
62 * Reconfiguring: The device is being reconfigured.
63 */
64 XenbusStateReconfiguring = 7,
66 XenbusStateReconfigured = 8
67 };
68 typedef enum xenbus_state XenbusState;
70 #endif /* _XEN_PUBLIC_IO_XENBUS_H */
72 /*
73 * Local variables:
74 * mode: C
75 * c-set-style: "BSD"
76 * c-basic-offset: 4
77 * tab-width: 4
78 * indent-tabs-mode: nil
79 * End:
80 */