xref: /openbmc/linux/drivers/w1/w1_netlink.h (revision ecba1060)
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 	W1_LIST_MASTERS,
38 };
39 
40 struct w1_netlink_msg
41 {
42 	__u8				type;
43 	__u8				status;
44 	__u16				len;
45 	union {
46 		__u8			id[8];
47 		struct w1_mst {
48 			__u32		id;
49 			__u32		res;
50 		} mst;
51 	} id;
52 	__u8				data[0];
53 };
54 
55 enum w1_commands {
56 	W1_CMD_READ = 0,
57 	W1_CMD_WRITE,
58 	W1_CMD_SEARCH,
59 	W1_CMD_ALARM_SEARCH,
60 	W1_CMD_TOUCH,
61 	W1_CMD_RESET,
62 	W1_CMD_MAX,
63 };
64 
65 struct w1_netlink_cmd
66 {
67 	__u8				cmd;
68 	__u8				res;
69 	__u16				len;
70 	__u8				data[0];
71 };
72 
73 #ifdef __KERNEL__
74 
75 void w1_netlink_send(struct w1_master *, struct w1_netlink_msg *);
76 int w1_init_netlink(void);
77 void w1_fini_netlink(void);
78 
79 #endif /* __KERNEL__ */
80 #endif /* __W1_NETLINK_H */
81