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1.1 root 1: /*
2: * Copyright (c) 1989 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * This code is derived from software contributed to Berkeley by
6: * Rick Macklem at The University of Guelph.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
36: * @(#)nfsmount.h 7.7 (Berkeley) 4/16/91
37: */
38:
1.1.1.2 ! root 39: #ifndef _NFS_NFSMOUNT_H_
! 40: #define _NFS_NFSMOUNT_H_
! 41:
1.1 root 42: /*
43: * Mount structure.
44: * One allocated on every NFS mount.
45: * Holds NFS specific information for mount.
46: */
47: struct nfsmount {
48: int nm_flag; /* Flags for soft/hard... */
49: struct mount *nm_mountp; /* Vfs structure for this filesystem */
50: nfsv2fh_t nm_fh; /* File handle of root dir */
51: struct socket *nm_so; /* Rpc socket */
52: int nm_sotype; /* Type of socket */
53: int nm_soproto; /* and protocol */
54: int nm_soflags; /* pr_flags for socket protocol */
55: struct mbuf *nm_nam; /* Addr of server */
56: short nm_retry; /* Max retry count */
57: short nm_rexmit; /* Rexmit on previous request */
58: short nm_rtt; /* Round trip timer ticks @ NFS_HZ */
59: short nm_rto; /* Current timeout */
60: short nm_srtt; /* Smoothed round trip time */
61: short nm_rttvar; /* RTT variance */
62: short nm_currto; /* Current rto of any nfsmount */
63: short nm_currexmit; /* Max rexmit count of nfsmounts */
64: short nm_sent; /* Request send count */
65: short nm_window; /* Request send window (max) */
66: short nm_winext; /* Window incremental value */
67: short nm_ssthresh; /* Slowstart threshold */
68: short nm_salen; /* Actual length of nm_sockaddr */
69: int nm_rsize; /* Max size of read rpc */
70: int nm_wsize; /* Max size of write rpc */
71: };
72:
73: #ifdef KERNEL
74: /*
75: * Convert mount ptr to nfsmount ptr.
76: */
77: #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
78: #endif /* KERNEL */
79:
80: /*
81: * Prototypes for NFS mount operations
82: */
83: int nfs_mount __P((
84: struct mount *mp,
85: char *path,
86: caddr_t data,
87: struct nameidata *ndp,
88: struct proc *p));
89: int nfs_start __P((
90: struct mount *mp,
91: int flags,
92: struct proc *p));
93: int nfs_unmount __P((
94: struct mount *mp,
95: int mntflags,
96: struct proc *p));
97: int nfs_root __P((
98: struct mount *mp,
99: struct vnode **vpp));
100: int nfs_quotactl __P((
101: struct mount *mp,
102: int cmds,
103: int uid, /* should be uid_t */
104: caddr_t arg,
105: struct proc *p));
106: int nfs_statfs __P((
107: struct mount *mp,
108: struct statfs *sbp,
109: struct proc *p));
110: int nfs_sync __P((
111: struct mount *mp,
112: int waitfor));
113: int nfs_fhtovp __P((
114: struct mount *mp,
115: struct fid *fhp,
116: struct vnode **vpp));
117: int nfs_vptofh __P((
118: struct vnode *vp,
119: struct fid *fhp));
120: int nfs_init __P(());
1.1.1.2 ! root 121:
! 122: #endif /* !_NFS_NFSMOUNT_H_ */
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