6 * Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net>
7 * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
8 * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2
12 * as published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to:
21 * Free Software Foundation
22 * 51 Franklin Street, Fifth Floor
23 * Boston, MA 02111-1301 USA
27 #include <linux/module.h>
28 #include <linux/moduleparam.h>
29 #include <net/9p/9p.h>
31 #include <linux/parser.h>
32 #include <net/9p/transport.h>
33 #include <linux/list.h>
35 #ifdef CONFIG_NET_9P_DEBUG
36 unsigned int p9_debug_level = 0; /* feature-rific global debug level */
37 EXPORT_SYMBOL(p9_debug_level);
38 module_param_named(debug, p9_debug_level, uint, 0);
39 MODULE_PARM_DESC(debug, "9P debugging level");
43 * Dynamic Transport Registration Routines
47 static LIST_HEAD(v9fs_trans_list);
48 static struct p9_trans_module *v9fs_default_transport;
51 * v9fs_register_trans - register a new transport with 9p
52 * @m: structure describing the transport module and entry points
55 void v9fs_register_trans(struct p9_trans_module *m)
57 list_add_tail(&m->list, &v9fs_trans_list);
59 v9fs_default_transport = m;
61 EXPORT_SYMBOL(v9fs_register_trans);
64 * v9fs_match_trans - match transport versus registered transports
65 * @name: string identifying transport
68 struct p9_trans_module *v9fs_match_trans(const substring_t *name)
71 struct p9_trans_module *t = NULL;
73 list_for_each(p, &v9fs_trans_list) {
74 t = list_entry(p, struct p9_trans_module, list);
75 if (strncmp(t->name, name->from, name->to-name->from) == 0)
80 EXPORT_SYMBOL(v9fs_match_trans);
83 * v9fs_default_trans - returns pointer to default transport
87 struct p9_trans_module *v9fs_default_trans(void)
89 if (v9fs_default_transport)
90 return v9fs_default_transport;
91 else if (!list_empty(&v9fs_trans_list))
92 return list_first_entry(&v9fs_trans_list,
93 struct p9_trans_module, list);
97 EXPORT_SYMBOL(v9fs_default_trans);
101 * v9fs_init - Initialize module
104 static int __init init_p9(void)
109 printk(KERN_INFO "Installing 9P2000 support\n");
116 * v9fs_init - shutdown module
120 static void __exit exit_p9(void)
122 printk(KERN_INFO "Unloading 9P2000 support\n");
128 MODULE_AUTHOR("Latchesar Ionkov <lucho@ionkov.net>");
129 MODULE_AUTHOR("Eric Van Hensbergen <ericvh@gmail.com>");
130 MODULE_AUTHOR("Ron Minnich <rminnich@lanl.gov>");
131 MODULE_LICENSE("GPL");