projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b688fc87 WJ |
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 | ||
| 39 | /* | |
| 40 | * Mount structure. | |
| 41 | * One allocated on every NFS mount. | |
| 42 | * Holds NFS specific information for mount. | |
| 43 | */ | |
| 44 | struct nfsmount { | |
| 45 | int nm_flag; /* Flags for soft/hard... */ | |
| 46 | struct mount *nm_mountp; /* Vfs structure for this filesystem */ | |
| 47 | nfsv2fh_t nm_fh; /* File handle of root dir */ | |
| 48 | struct socket *nm_so; /* Rpc socket */ | |
| 49 | int nm_sotype; /* Type of socket */ | |
| 50 | int nm_soproto; /* and protocol */ | |
| 51 | int nm_soflags; /* pr_flags for socket protocol */ | |
| 52 | struct mbuf *nm_nam; /* Addr of server */ | |
| 53 | short nm_retry; /* Max retry count */ | |
| 54 | short nm_rexmit; /* Rexmit on previous request */ | |
| 55 | short nm_rtt; /* Round trip timer ticks @ NFS_HZ */ | |
| 56 | short nm_rto; /* Current timeout */ | |
| 57 | short nm_srtt; /* Smoothed round trip time */ | |
| 58 | short nm_rttvar; /* RTT variance */ | |
| 59 | short nm_currto; /* Current rto of any nfsmount */ | |
| 60 | short nm_currexmit; /* Max rexmit count of nfsmounts */ | |
| 61 | short nm_sent; /* Request send count */ | |
| 62 | short nm_window; /* Request send window (max) */ | |
| 63 | short nm_winext; /* Window incremental value */ | |
| 64 | short nm_ssthresh; /* Slowstart threshold */ | |
| 65 | short nm_salen; /* Actual length of nm_sockaddr */ | |
| 66 | int nm_rsize; /* Max size of read rpc */ | |
| 67 | int nm_wsize; /* Max size of write rpc */ | |
| 68 | }; | |
| 69 | ||
| 70 | #ifdef KERNEL | |
| 71 | /* | |
| 72 | * Convert mount ptr to nfsmount ptr. | |
| 73 | */ | |
| 74 | #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data)) | |
| 75 | #endif /* KERNEL */ | |
| 76 | ||
| 77 | /* | |
| 78 | * Prototypes for NFS mount operations | |
| 79 | */ | |
| 80 | int nfs_mount __P(( | |
| 81 | struct mount *mp, | |
| 82 | char *path, | |
| 83 | caddr_t data, | |
| 84 | struct nameidata *ndp, | |
| 85 | struct proc *p)); | |
| 86 | int nfs_start __P(( | |
| 87 | struct mount *mp, | |
| 88 | int flags, | |
| 89 | struct proc *p)); | |
| 90 | int nfs_unmount __P(( | |
| 91 | struct mount *mp, | |
| 92 | int mntflags, | |
| 93 | struct proc *p)); | |
| 94 | int nfs_root __P(( | |
| 95 | struct mount *mp, | |
| 96 | struct vnode **vpp)); | |
| 97 | int nfs_quotactl __P(( | |
| 98 | struct mount *mp, | |
| 99 | int cmds, | |
| 100 | int uid, /* should be uid_t */ | |
| 101 | caddr_t arg, | |
| 102 | struct proc *p)); | |
| 103 | int nfs_statfs __P(( | |
| 104 | struct mount *mp, | |
| 105 | struct statfs *sbp, | |
| 106 | struct proc *p)); | |
| 107 | int nfs_sync __P(( | |
| 108 | struct mount *mp, | |
| 109 | int waitfor)); | |
| 110 | int nfs_fhtovp __P(( | |
| 111 | struct mount *mp, | |
| 112 | struct fid *fhp, | |
| 113 | struct vnode **vpp)); | |
| 114 | int nfs_vptofh __P(( | |
| 115 | struct vnode *vp, | |
| 116 | struct fid *fhp)); | |
| 117 | int nfs_init __P(()); |