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1 | /* |
2 | * Copyright (C) 2008 Intel Corporation | |
3 | * | |
4 | * mdmon socket / message handling | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms and conditions of the GNU General Public License, | |
8 | * version 2, as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along with | |
16 | * this program; if not, write to the Free Software Foundation, Inc., | |
17 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | */ | |
19 | ||
3e70c845 DW |
20 | |
21 | struct mdinfo; | |
b109d928 | 22 | |
f7dd881f DW |
23 | struct mdinfo; |
24 | struct md_message { | |
25 | int seq; | |
26 | int num_bytes; | |
27 | void *buf; | |
28 | }; | |
29 | ||
f7dd881f DW |
30 | extern const int start_magic; |
31 | extern const int end_magic; | |
32 | ||
33 | extern int receive_message(int fd, struct md_message *msg, int tmo); | |
34 | extern int send_message(int fd, struct md_message *msg, int tmo); | |
35 | extern int ack(int fd, int seq, int tmo); | |
36 | extern int nack(int fd, int err, int tmo); | |
37 | extern int connect_monitor(char *devname); | |
38 | extern int ping_monitor(char *devname); | |
f7dd881f | 39 |