1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | /* |
3 | * Copyright (C) 2017 Facebook. All rights reserved. |
4 | * |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public |
7 | * License v2 as published by the Free Software Foundation. |
8 | * |
9 | * This program is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public |
15 | * License along with this program; if not, write to the |
16 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
17 | * Boston, MA 021110-1307, USA. |
18 | */ |
19 | #ifndef _UAPILINUX_NBD_NETLINK_H |
20 | #define _UAPILINUX_NBD_NETLINK_H |
21 | |
22 | #define NBD_GENL_FAMILY_NAME "nbd" |
23 | #define NBD_GENL_VERSION 0x1 |
24 | #define NBD_GENL_MCAST_GROUP_NAME "nbd_mc_group" |
25 | |
26 | /* Configuration policy attributes, used for CONNECT */ |
27 | enum { |
28 | NBD_ATTR_UNSPEC, |
29 | NBD_ATTR_INDEX, |
30 | NBD_ATTR_SIZE_BYTES, |
31 | NBD_ATTR_BLOCK_SIZE_BYTES, |
32 | NBD_ATTR_TIMEOUT, |
33 | NBD_ATTR_SERVER_FLAGS, |
34 | NBD_ATTR_CLIENT_FLAGS, |
35 | NBD_ATTR_SOCKETS, |
36 | NBD_ATTR_DEAD_CONN_TIMEOUT, |
37 | NBD_ATTR_DEVICE_LIST, |
38 | NBD_ATTR_BACKEND_IDENTIFIER, |
39 | __NBD_ATTR_MAX, |
40 | }; |
41 | #define NBD_ATTR_MAX (__NBD_ATTR_MAX - 1) |
42 | |
43 | /* |
44 | * This is the format for multiple devices with NBD_ATTR_DEVICE_LIST |
45 | * |
46 | * [NBD_ATTR_DEVICE_LIST] |
47 | * [NBD_DEVICE_ITEM] |
48 | * [NBD_DEVICE_INDEX] |
49 | * [NBD_DEVICE_CONNECTED] |
50 | */ |
51 | enum { |
52 | NBD_DEVICE_ITEM_UNSPEC, |
53 | NBD_DEVICE_ITEM, |
54 | __NBD_DEVICE_ITEM_MAX, |
55 | }; |
56 | #define NBD_DEVICE_ITEM_MAX (__NBD_DEVICE_ITEM_MAX - 1) |
57 | |
58 | enum { |
59 | NBD_DEVICE_UNSPEC, |
60 | NBD_DEVICE_INDEX, |
61 | NBD_DEVICE_CONNECTED, |
62 | __NBD_DEVICE_MAX, |
63 | }; |
64 | #define NBD_DEVICE_ATTR_MAX (__NBD_DEVICE_MAX - 1) |
65 | |
66 | /* |
67 | * This is the format for multiple sockets with NBD_ATTR_SOCKETS |
68 | * |
69 | * [NBD_ATTR_SOCKETS] |
70 | * [NBD_SOCK_ITEM] |
71 | * [NBD_SOCK_FD] |
72 | * [NBD_SOCK_ITEM] |
73 | * [NBD_SOCK_FD] |
74 | */ |
75 | enum { |
76 | NBD_SOCK_ITEM_UNSPEC, |
77 | NBD_SOCK_ITEM, |
78 | __NBD_SOCK_ITEM_MAX, |
79 | }; |
80 | #define NBD_SOCK_ITEM_MAX (__NBD_SOCK_ITEM_MAX - 1) |
81 | |
82 | enum { |
83 | NBD_SOCK_UNSPEC, |
84 | NBD_SOCK_FD, |
85 | __NBD_SOCK_MAX, |
86 | }; |
87 | #define NBD_SOCK_MAX (__NBD_SOCK_MAX - 1) |
88 | |
89 | enum { |
90 | NBD_CMD_UNSPEC, |
91 | NBD_CMD_CONNECT, |
92 | NBD_CMD_DISCONNECT, |
93 | NBD_CMD_RECONFIGURE, |
94 | NBD_CMD_LINK_DEAD, |
95 | NBD_CMD_STATUS, |
96 | __NBD_CMD_MAX, |
97 | }; |
98 | #define NBD_CMD_MAX (__NBD_CMD_MAX - 1) |
99 | |
100 | #endif /* _UAPILINUX_NBD_NETLINK_H */ |
101 | |