1 | /* $NetBSD: xenbus.h,v 1.1.1.2 2011/12/07 14:41:17 cegger Exp $ */ |
2 | /***************************************************************************** |
3 | * xenbus.h |
4 | * |
5 | * Xenbus protocol details. |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
8 | * of this software and associated documentation files (the "Software"), to |
9 | * deal in the Software without restriction, including without limitation the |
10 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
11 | * sell copies of the Software, and to permit persons to whom the Software is |
12 | * furnished to do so, subject to the following conditions: |
13 | * |
14 | * The above copyright notice and this permission notice shall be included in |
15 | * all copies or substantial portions of the Software. |
16 | * |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
22 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
23 | * DEALINGS IN THE SOFTWARE. |
24 | * |
25 | * Copyright (C) 2005 XenSource Ltd. |
26 | */ |
27 | |
28 | #ifndef _XEN_PUBLIC_IO_XENBUS_H |
29 | #define _XEN_PUBLIC_IO_XENBUS_H |
30 | |
31 | /* |
32 | * The state of either end of the Xenbus, i.e. the current communication |
33 | * status of initialisation across the bus. States here imply nothing about |
34 | * the state of the connection between the driver and the kernel's device |
35 | * layers. |
36 | */ |
37 | enum xenbus_state { |
38 | XenbusStateUnknown = 0, |
39 | |
40 | XenbusStateInitialising = 1, |
41 | |
42 | /* |
43 | * InitWait: Finished early initialisation but waiting for information |
44 | * from the peer or hotplug scripts. |
45 | */ |
46 | XenbusStateInitWait = 2, |
47 | |
48 | /* |
49 | * Initialised: Waiting for a connection from the peer. |
50 | */ |
51 | XenbusStateInitialised = 3, |
52 | |
53 | XenbusStateConnected = 4, |
54 | |
55 | /* |
56 | * Closing: The device is being closed due to an error or an unplug event. |
57 | */ |
58 | XenbusStateClosing = 5, |
59 | |
60 | XenbusStateClosed = 6, |
61 | |
62 | /* |
63 | * Reconfiguring: The device is being reconfigured. |
64 | */ |
65 | XenbusStateReconfiguring = 7, |
66 | |
67 | XenbusStateReconfigured = 8 |
68 | }; |
69 | typedef enum xenbus_state XenbusState; |
70 | |
71 | #endif /* _XEN_PUBLIC_IO_XENBUS_H */ |
72 | |
73 | /* |
74 | * Local variables: |
75 | * mode: C |
76 | * c-set-style: "BSD" |
77 | * c-basic-offset: 4 |
78 | * tab-width: 4 |
79 | * indent-tabs-mode: nil |
80 | * End: |
81 | */ |
82 | |