xref: /openbmc/linux/drivers/w1/w1_netlink.h (revision 8fa5723aa7e053d498336b48448b292fc2e0458b)
1 /*
2  * w1_netlink.h
3  *
4  * Copyright (c) 2003 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
5  *
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 
22 #ifndef __W1_NETLINK_H
23 #define __W1_NETLINK_H
24 
25 #include <asm/types.h>
26 #include <linux/connector.h>
27 
28 #include "w1.h"
29 
30 enum w1_netlink_message_types {
31 	W1_SLAVE_ADD = 0,
32 	W1_SLAVE_REMOVE,
33 	W1_MASTER_ADD,
34 	W1_MASTER_REMOVE,
35 	W1_MASTER_CMD,
36 	W1_SLAVE_CMD,
37 };
38 
39 struct w1_netlink_msg
40 {
41 	__u8				type;
42 	__u8				reserved;
43 	__u16				len;
44 	union {
45 		__u8			id[8];
46 		struct w1_mst {
47 			__u32		id;
48 			__u32		res;
49 		} mst;
50 	} id;
51 	__u8				data[0];
52 };
53 
54 #define W1_CMD_READ		0x0
55 #define W1_CMD_WRITE		0x1
56 #define W1_CMD_SEARCH		0x2
57 #define W1_CMD_ALARM_SEARCH	0x3
58 
59 struct w1_netlink_cmd
60 {
61 	__u8				cmd;
62 	__u8				res;
63 	__u16				len;
64 	__u8				data[0];
65 };
66 
67 #ifdef __KERNEL__
68 
69 void w1_netlink_send(struct w1_master *, struct w1_netlink_msg *);
70 int w1_init_netlink(void);
71 void w1_fini_netlink(void);
72 
73 #endif /* __KERNEL__ */
74 #endif /* __W1_NETLINK_H */
75