Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * w1_netlink.h | |
3 | * | |
a8018766 | 4 | * Copyright (c) 2003 Evgeniy Polyakov <zbr@ioremap.net> |
1da177e4 LT |
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> | |
12003375 | 26 | #include <linux/connector.h> |
1da177e4 LT |
27 | |
28 | #include "w1.h" | |
29 | ||
b3be177a DF |
30 | /** |
31 | * enum w1_netlink_message_types - message type | |
70b34d2e DF |
32 | * |
33 | * @W1_SLAVE_ADD: notification that a slave device was added | |
34 | * @W1_SLAVE_REMOVE: notification that a slave device was removed | |
35 | * @W1_MASTER_ADD: notification that a new bus master was added | |
36 | * @W1_MASTER_REMOVE: notification that a bus masterwas removed | |
37 | * @W1_MASTER_CMD: initiate operations on a specific master | |
38 | * @W1_SLAVE_CMD: sends reset, selects the slave, then does a read/write/touch | |
39 | * operation | |
40 | * @W1_LIST_MASTERS: used to determine the bus master identifiers | |
41 | */ | |
1da177e4 LT |
42 | enum w1_netlink_message_types { |
43 | W1_SLAVE_ADD = 0, | |
44 | W1_SLAVE_REMOVE, | |
45 | W1_MASTER_ADD, | |
46 | W1_MASTER_REMOVE, | |
12003375 EP |
47 | W1_MASTER_CMD, |
48 | W1_SLAVE_CMD, | |
610705e7 | 49 | W1_LIST_MASTERS, |
1da177e4 LT |
50 | }; |
51 | ||
7785925d | 52 | struct w1_netlink_msg |
1da177e4 LT |
53 | { |
54 | __u8 type; | |
4037014e | 55 | __u8 status; |
12003375 EP |
56 | __u16 len; |
57 | union { | |
58 | __u8 id[8]; | |
59 | struct w1_mst { | |
1da177e4 | 60 | __u32 id; |
12003375 | 61 | __u32 res; |
1da177e4 LT |
62 | } mst; |
63 | } id; | |
12003375 EP |
64 | __u8 data[0]; |
65 | }; | |
66 | ||
b3be177a DF |
67 | /** |
68 | * enum w1_commands - commands available for master or slave operations | |
70b34d2e DF |
69 | * @W1_CMD_READ: read len bytes |
70 | * @W1_CMD_WRITE: write len bytes | |
71 | * @W1_CMD_SEARCH: initiate a standard search, returns only the slave | |
72 | * devices found during that search | |
73 | * @W1_CMD_ALARM_SEARCH: search for devices that are currently alarming | |
74 | * @W1_CMD_TOUCH: Touches a series of bytes. | |
75 | * @W1_CMD_RESET: sends a bus reset on the given master | |
76 | * @W1_CMD_SLAVE_ADD: adds a slave to the given master, | |
77 | * 8 byte slave id at data[0] | |
78 | * @W1_CMD_SLAVE_REMOVE: removes a slave to the given master, | |
79 | * 8 byte slave id at data[0] | |
80 | * @W1_CMD_LIST_SLAVES: list of slaves registered on this master | |
81 | * @W1_CMD_MAX: number of available commands | |
82 | */ | |
325a06fb EP |
83 | enum w1_commands { |
84 | W1_CMD_READ = 0, | |
85 | W1_CMD_WRITE, | |
86 | W1_CMD_SEARCH, | |
87 | W1_CMD_ALARM_SEARCH, | |
88 | W1_CMD_TOUCH, | |
f89735c4 | 89 | W1_CMD_RESET, |
70b34d2e DF |
90 | W1_CMD_SLAVE_ADD, |
91 | W1_CMD_SLAVE_REMOVE, | |
92 | W1_CMD_LIST_SLAVES, | |
93 | W1_CMD_MAX | |
325a06fb | 94 | }; |
12003375 EP |
95 | |
96 | struct w1_netlink_cmd | |
97 | { | |
98 | __u8 cmd; | |
99 | __u8 res; | |
100 | __u16 len; | |
101 | __u8 data[0]; | |
1da177e4 LT |
102 | }; |
103 | ||
104 | #ifdef __KERNEL__ | |
105 | ||
106 | void w1_netlink_send(struct w1_master *, struct w1_netlink_msg *); | |
12003375 EP |
107 | int w1_init_netlink(void); |
108 | void w1_fini_netlink(void); | |
1da177e4 LT |
109 | |
110 | #endif /* __KERNEL__ */ | |
111 | #endif /* __W1_NETLINK_H */ |