[ipoib] Avoid unnecessary path record lookup for broadcast address
[ipxe.git] / src / include / xen / io / xenbus.h
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 */
26
27 #ifndef _XEN_PUBLIC_IO_XENBUS_H
28 #define _XEN_PUBLIC_IO_XENBUS_H
29
30 FILE_LICENCE ( MIT );
31
32 /*
33 * The state of either end of the Xenbus, i.e. the current communication
34 * status of initialisation across the bus. States here imply nothing about
35 * the state of the connection between the driver and the kernel's device
36 * layers.
37 */
38 enum xenbus_state {
39 XenbusStateUnknown = 0,
40
41 XenbusStateInitialising = 1,
42
43 /*
44 * InitWait: Finished early initialisation but waiting for information
45 * from the peer or hotplug scripts.
46 */
47 XenbusStateInitWait = 2,
48
49 /*
50 * Initialised: Waiting for a connection from the peer.
51 */
52 XenbusStateInitialised = 3,
53
54 XenbusStateConnected = 4,
55
56 /*
57 * Closing: The device is being closed due to an error or an unplug event.
58 */
59 XenbusStateClosing = 5,
60
61 XenbusStateClosed = 6,
62
63 /*
64 * Reconfiguring: The device is being reconfigured.
65 */
66 XenbusStateReconfiguring = 7,
67
68 XenbusStateReconfigured = 8
69 };
70 typedef enum xenbus_state XenbusState;
71
72 #endif /* _XEN_PUBLIC_IO_XENBUS_H */
73
74 /*
75 * Local variables:
76 * mode: C
77 * c-file-style: "BSD"
78 * c-basic-offset: 4
79 * tab-width: 4
80 * indent-tabs-mode: nil
81 * End:
82 */