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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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2 | /* |
3 | * connector.h | |
4 | * | |
5 | * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> | |
6 | * All rights reserved. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #ifndef _UAPI__CONNECTOR_H | |
24 | #define _UAPI__CONNECTOR_H | |
25 | ||
26 | #include <linux/types.h> | |
27 | ||
28 | /* | |
29 | * Process Events connector unique ids -- used for message routing | |
30 | */ | |
31 | #define CN_IDX_PROC 0x1 | |
32 | #define CN_VAL_PROC 0x1 | |
33 | #define CN_IDX_CIFS 0x2 | |
34 | #define CN_VAL_CIFS 0x1 | |
35 | #define CN_W1_IDX 0x3 /* w1 communication */ | |
36 | #define CN_W1_VAL 0x1 | |
37 | #define CN_IDX_V86D 0x4 | |
38 | #define CN_VAL_V86D_UVESAFB 0x1 | |
39 | #define CN_IDX_BB 0x5 /* BlackBoard, from the TSP GPL sampling framework */ | |
40 | #define CN_DST_IDX 0x6 | |
41 | #define CN_DST_VAL 0x1 | |
42 | #define CN_IDX_DM 0x7 /* Device Mapper */ | |
43 | #define CN_VAL_DM_USERSPACE_LOG 0x1 | |
44 | #define CN_IDX_DRBD 0x8 | |
45 | #define CN_VAL_DRBD 0x1 | |
46 | #define CN_KVP_IDX 0x9 /* HyperV KVP */ | |
47 | #define CN_KVP_VAL 0x1 /* queries from the kernel */ | |
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48 | #define CN_VSS_IDX 0xA /* HyperV VSS */ |
49 | #define CN_VSS_VAL 0x1 /* queries from the kernel */ | |
607ca46e | 50 | |
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51 | |
52 | #define CN_NETLINK_USERS 11 /* Highest index + 1 */ | |
607ca46e DH |
53 | |
54 | /* | |
55 | * Maximum connector's message size. | |
56 | */ | |
57 | #define CONNECTOR_MAX_MSG_SIZE 16384 | |
58 | ||
59 | /* | |
60 | * idx and val are unique identifiers which | |
61 | * are used for message routing and | |
62 | * must be registered in connector.h for in-kernel usage. | |
63 | */ | |
64 | ||
65 | struct cb_id { | |
66 | __u32 idx; | |
67 | __u32 val; | |
68 | }; | |
69 | ||
70 | struct cn_msg { | |
71 | struct cb_id id; | |
72 | ||
73 | __u32 seq; | |
74 | __u32 ack; | |
75 | ||
76 | __u16 len; /* Length of the following data */ | |
77 | __u16 flags; | |
78 | __u8 data[0]; | |
79 | }; | |
80 | ||
81 | #endif /* _UAPI__CONNECTOR_H */ |