Annotation of sys/nfs/nfsmount.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: nfsmount.h,v 1.14 2007/06/13 18:05:27 thib Exp $ */
2: /* $NetBSD: nfsmount.h,v 1.10 1996/02/18 11:54:03 fvdl Exp $ */
3:
4: /*
5: * Copyright (c) 1989, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Rick Macklem at The University of Guelph.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * @(#)nfsmount.h 8.3 (Berkeley) 3/30/95
36: */
37:
38:
39: #ifndef _NFS_NFSMOUNT_H_
40: #define _NFS_NFSMOUNT_H_
41:
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: int nm_numgrps; /* Max. size of groupslist */
51: u_char nm_fh[NFSX_V3FHMAX]; /* File handle of root dir */
52: int nm_fhsize; /* Size of root file handle */
53: struct socket *nm_so; /* Rpc socket */
54: int nm_sotype; /* Type of socket */
55: int nm_soproto; /* and protocol */
56: int nm_soflags; /* pr_flags for socket protocol */
57: struct mbuf *nm_nam; /* Addr of server */
58: int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */
59: int nm_retry; /* Max retries */
60: int nm_srtt[4]; /* Timers for rpcs */
61: int nm_sdrtt[4];
62: int nm_sent; /* Request send count */
63: int nm_cwnd; /* Request send window */
64: int nm_timeouts; /* Request timeouts */
65: int nm_deadthresh; /* Threshold of timeouts-->dead server*/
66: int nm_rsize; /* Max size of read rpc */
67: int nm_wsize; /* Max size of write rpc */
68: int nm_readdirsize; /* Size of a readdir rpc */
69: int nm_readahead; /* Num. of blocks to readahead */
70: uid_t nm_authuid; /* Uid for authenticator */
71: int nm_authtype; /* Authenticator type */
72: int nm_authlen; /* and length */
73: char *nm_authstr; /* Authenticator string */
74: char *nm_verfstr; /* and the verifier */
75: int nm_verflen;
76: u_char nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */
77: NFSKERBKEY_T nm_key; /* and the session key */
78: int nm_numuids; /* Number of nfsuid mappings */
79: TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */
80: LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ];
81: u_short nm_acregmin; /* Attr cache file recently modified */
82: u_short nm_acregmax; /* ac file not recently modified */
83: u_short nm_acdirmin; /* ac for dir recently modified */
84: u_short nm_acdirmax; /* ac for dir not recently modified */
85: };
86:
87: #ifdef _KERNEL
88: /*
89: * Convert mount ptr to nfsmount ptr.
90: */
91: #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
92: #endif /* _KERNEL */
93:
94: /*
95: * Prototypes for NFS mount operations
96: */
97: int nfs_mount(struct mount *mp, const char *path, void *data,
98: struct nameidata *ndp, struct proc *p);
99: int mountnfs(struct nfs_args *argp, struct mount *mp,
100: struct mbuf *nam, char *pth, char *hst);
101: int nfs_mountroot(void);
102: void nfs_decode_args(struct nfsmount *, struct nfs_args *, struct nfs_args *);
103: int nfs_start(struct mount *mp, int flags, struct proc *p);
104: int nfs_unmount(struct mount *mp, int mntflags, struct proc *p);
105: int nfs_root(struct mount *mp, struct vnode **vpp);
106: int nfs_quotactl(struct mount *mp, int cmds, uid_t uid, caddr_t arg,
107: struct proc *p);
108: int nfs_statfs(struct mount *mp, struct statfs *sbp, struct proc *p);
109: int nfs_sync(struct mount *mp, int waitfor, struct ucred *cred,
110: struct proc *p);
111: int nfs_vget(struct mount *, ino_t, struct vnode **);
112: int nfs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp);
113: int nfs_vptofh(struct vnode *vp, struct fid *fhp);
114: int nfs_fsinfo(struct nfsmount *, struct vnode *, struct ucred *,
115: struct proc *);
116: void nfs_init(void);
117:
118: #endif
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