Driver core: kerneldoc - kobject_uevent_env is not "usually KOBJ_MOVE"
[linux-2.6/zen-sources.git] / fs / 9p / v9fs.h
blobabc4b1668acef49513feb28c034e929206128cbf
1 /*
2 * V9FS definitions.
4 * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
5 * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2
9 * as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to:
18 * Free Software Foundation
19 * 51 Franklin Street, Fifth Floor
20 * Boston, MA 02111-1301 USA
25 * Session structure provides information for an opened session
29 struct v9fs_session_info {
30 /* options */
31 unsigned int maxdata;
32 unsigned char extended; /* set to 1 if we are using UNIX extensions */
33 unsigned char nodev; /* set to 1 if no disable device mapping */
34 unsigned short port; /* port to connect to */
35 unsigned short debug; /* debug level */
36 unsigned short proto; /* protocol to use */
37 unsigned int afid; /* authentication fid */
38 unsigned int rfdno; /* read file descriptor number */
39 unsigned int wfdno; /* write file descriptor number */
40 unsigned int cache; /* cache mode */
42 char *name; /* user name to mount as */
43 char *remotename; /* name of remote hierarchy being mounted */
44 unsigned int uid; /* default uid/muid for legacy support */
45 unsigned int gid; /* default gid for legacy support */
47 struct p9_client *clnt; /* 9p client */
48 struct dentry *debugfs_dir;
51 /* possible values of ->proto */
52 enum {
53 PROTO_TCP,
54 PROTO_UNIX,
55 PROTO_FD,
56 PROTO_PCI,
59 /* possible values of ->cache */
60 /* eventually support loose, tight, time, session, default always none */
61 enum {
62 CACHE_NONE, /* default */
63 CACHE_LOOSE, /* no consistency */
66 extern struct dentry *v9fs_debugfs_root;
68 struct p9_fid *v9fs_session_init(struct v9fs_session_info *, const char *,
69 char *);
70 void v9fs_session_close(struct v9fs_session_info *v9ses);
71 void v9fs_session_cancel(struct v9fs_session_info *v9ses);
73 #define V9FS_MAGIC 0x01021997
75 /* other default globals */
76 #define V9FS_PORT 564
77 #define V9FS_DEFUSER "nobody"
78 #define V9FS_DEFANAME ""
80 static inline struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode)
82 return (inode->i_sb->s_fs_info);