xref: /openbmc/linux/include/net/9p/transport.h (revision f42b3800)
1 /*
2  * include/net/9p/transport.h
3  *
4  * Transport Definition
5  *
6  *  Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
7  *  Copyright (C) 2004-2008 by Eric Van Hensbergen <ericvh@gmail.com>
8  *
9  *  This program is free software; you can redistribute it and/or modify
10  *  it under the terms of the GNU General Public License version 2
11  *  as published by the Free Software Foundation.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program; if not, write to:
20  *  Free Software Foundation
21  *  51 Franklin Street, Fifth Floor
22  *  Boston, MA  02111-1301  USA
23  *
24  */
25 
26 #ifndef NET_9P_TRANSPORT_H
27 #define NET_9P_TRANSPORT_H
28 
29 enum p9_trans_status {
30 	Connected,
31 	Disconnected,
32 	Hung,
33 };
34 
35 struct p9_trans {
36 	enum p9_trans_status status;
37 	int msize;
38 	unsigned char extended;
39 	void *priv;
40 	void (*close) (struct p9_trans *);
41 	int (*rpc) (struct p9_trans *t, struct p9_fcall *tc,
42 							struct p9_fcall **rc);
43 };
44 
45 struct p9_trans_module {
46 	struct list_head list;
47 	char *name;		/* name of transport */
48 	int maxsize;		/* max message size of transport */
49 	int def;		/* this transport should be default */
50 	struct p9_trans * (*create)(const char *, char *, int, unsigned char);
51 };
52 
53 void v9fs_register_trans(struct p9_trans_module *m);
54 struct p9_trans_module *v9fs_match_trans(const substring_t *name);
55 struct p9_trans_module *v9fs_default_trans(void);
56 
57 #endif /* NET_9P_TRANSPORT_H */
58