drivers/w1/w1_netlink.h

   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 #define CN_W1_IDX       3
  31 #define CN_W1_VAL       1
  32
  33 enum w1_netlink_message_types {
  34         W1_SLAVE_ADD = 0,
  35         W1_SLAVE_REMOVE,
  36         W1_MASTER_ADD,
  37         W1_MASTER_REMOVE,
  38         W1_MASTER_CMD,
  39         W1_SLAVE_CMD,
  40 };
  41
  42 struct w1_netlink_msg
  43 {
  44         __u8                            type;
  45         __u8                            reserved;
  46         __u16                           len;
  47         union {
  48                 __u8                    id[8];
  49                 struct w1_mst {
  50                         __u32           id;
  51                         __u32           res;
  52                 } mst;
  53         } id;
  54         __u8                            data[0];
  55 };
  56
  57 #define W1_CMD_READ             0x0
  58 #define W1_CMD_WRITE            0x1
  59 #define W1_CMD_SEARCH           0x2
  60 #define W1_CMD_ALARM_SEARCH     0x3
  61
  62 struct w1_netlink_cmd
  63 {
  64         __u8                            cmd;
  65         __u8                            res;
  66         __u16                           len;
  67         __u8                            data[0];
  68 };
  69
  70 #ifdef __KERNEL__
  71
  72 void w1_netlink_send(struct w1_master *, struct w1_netlink_msg *);
  73 int w1_init_netlink(void);
  74 void w1_fini_netlink(void);
  75
  76 #endif /* __KERNEL__ */
  77 #endif /* __W1_NETLINK_H */