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 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 void *priv; 38 int (*write) (struct p9_trans *, void *, int); 39 int (*read) (struct p9_trans *, void *, int); 40 void (*close) (struct p9_trans *); 41 unsigned int (*poll)(struct p9_trans *, struct poll_table_struct *); 42 }; 43 44 struct p9_trans_module { 45 struct list_head list; 46 char *name; /* name of transport */ 47 int maxsize; /* max message size of transport */ 48 int def; /* this transport should be default */ 49 struct p9_trans * (*create)(const char *devname, char *options); 50 }; 51 52 void v9fs_register_trans(struct p9_trans_module *m); 53 struct p9_trans_module *v9fs_match_trans(const substring_t *name); 54 struct p9_trans_module *v9fs_default_trans(void); 55 56 #endif /* NET_9P_TRANSPORT_H */ 57