12003375ac
There are three types of messages between w1 core and userspace: 1. Events. They are generated each time new master or slave device found either due to automatic or requested search. 2. Userspace commands. Includes read/write and search/alarm search comamnds. 3. Replies to userspace commands. From: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
/*
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* w1_netlink.h
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*
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* Copyright (c) 2003 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __W1_NETLINK_H
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#define __W1_NETLINK_H
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#include <asm/types.h>
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#include <linux/connector.h>
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#include "w1.h"
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#define CN_W1_IDX 3
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#define CN_W1_VAL 1
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enum w1_netlink_message_types {
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W1_SLAVE_ADD = 0,
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W1_SLAVE_REMOVE,
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W1_MASTER_ADD,
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W1_MASTER_REMOVE,
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W1_MASTER_CMD,
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W1_SLAVE_CMD,
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};
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struct w1_netlink_msg
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{
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__u8 type;
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__u8 reserved;
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__u16 len;
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union {
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__u8 id[8];
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struct w1_mst {
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__u32 id;
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__u32 res;
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} mst;
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} id;
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__u8 data[0];
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};
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#define W1_CMD_READ 0x0
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#define W1_CMD_WRITE 0x1
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#define W1_CMD_SEARCH 0x2
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#define W1_CMD_ALARM_SEARCH 0x3
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struct w1_netlink_cmd
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{
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__u8 cmd;
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__u8 res;
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__u16 len;
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__u8 data[0];
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};
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#ifdef __KERNEL__
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void w1_netlink_send(struct w1_master *, struct w1_netlink_msg *);
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int w1_init_netlink(void);
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void w1_fini_netlink(void);
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#endif /* __KERNEL__ */
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#endif /* __W1_NETLINK_H */
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