diff options
Diffstat (limited to 'sys/nfs/nfsmount.h')
| -rw-r--r-- | sys/nfs/nfsmount.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sys/nfs/nfsmount.h b/sys/nfs/nfsmount.h new file mode 100644 index 0000000..77ac7e3 --- /dev/null +++ b/sys/nfs/nfsmount.h @@ -0,0 +1,106 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Rick Macklem at The University of Guelph. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)nfsmount.h 8.3 (Berkeley) 3/30/95 + * $FreeBSD$ + */ + + +#ifndef _NFS_NFSMOUNT_H_ +#define _NFS_NFSMOUNT_H_ + +/* + * Mount structure. + * One allocated on every NFS mount. + * Holds NFS specific information for mount. + */ +struct nfsmount { + int nm_flag; /* Flags for soft/hard... */ + int nm_state; /* Internal state flags */ + struct mount *nm_mountp; /* Vfs structure for this filesystem */ + int nm_numgrps; /* Max. size of groupslist */ + u_char nm_fh[NFSX_V3FHMAX]; /* File handle of root dir */ + int nm_fhsize; /* Size of root file handle */ + struct socket *nm_so; /* Rpc socket */ + int nm_sotype; /* Type of socket */ + int nm_soproto; /* and protocol */ + int nm_soflags; /* pr_flags for socket protocol */ + struct sockaddr *nm_nam; /* Addr of server */ + int nm_timeo; /* Init timer for NFSMNT_DUMBTIMR */ + int nm_retry; /* Max retries */ + int nm_srtt[4]; /* Timers for rpcs */ + int nm_sdrtt[4]; + int nm_sent; /* Request send count */ + int nm_cwnd; /* Request send window */ + int nm_timeouts; /* Request timeouts */ + int nm_deadthresh; /* Threshold of timeouts-->dead server*/ + int nm_rsize; /* Max size of read rpc */ + int nm_wsize; /* Max size of write rpc */ + int nm_readdirsize; /* Size of a readdir rpc */ + int nm_readahead; /* Num. of blocks to readahead */ + int nm_leaseterm; /* Term (sec) for NQNFS lease */ + int nm_acdirmin; /* Directory attr cache min lifetime */ + int nm_acdirmax; /* Directory attr cache max lifetime */ + int nm_acregmin; /* Reg file attr cache min lifetime */ + int nm_acregmax; /* Reg file attr cache max lifetime */ + CIRCLEQ_HEAD(, nfsnode) nm_timerhead; /* Head of lease timer queue */ + struct vnode *nm_inprog; /* Vnode in prog by nqnfs_clientd() */ + uid_t nm_authuid; /* Uid for authenticator */ + int nm_authtype; /* Authenticator type */ + int nm_authlen; /* and length */ + char *nm_authstr; /* Authenticator string */ + char *nm_verfstr; /* and the verifier */ + int nm_verflen; + u_char nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */ + NFSKERBKEY_T nm_key; /* and the session key */ + int nm_numuids; /* Number of nfsuid mappings */ + TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */ + LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ]; + TAILQ_HEAD(, buf) nm_bufq; /* async io buffer queue */ + short nm_bufqlen; /* number of buffers in queue */ + short nm_bufqwant; /* process wants to add to the queue */ + int nm_bufqiods; /* number of iods processing queue */ + u_int64_t nm_maxfilesize; /* maximum file size */ +}; + +#if defined(KERNEL) || defined(_KERNEL) +/* + * Convert mount ptr to nfsmount ptr. + */ +#define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data)) + +#endif /* KERNEL */ + +#endif |
