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/*
* 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 8.1 (Berkeley) 6/10/93
* $Id: nfsmount.h,v 1.7 1995/12/17 21:12:36 phk Exp $
*/
#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... */
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 mbuf *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 */
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 */
};
#if defined(KERNEL) || defined(_KERNEL)
/*
* Convert mount ptr to nfsmount ptr.
*/
#define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
#ifdef NFS_DEBUG
extern int nfs_debug;
#define NFS_DEBUG_ASYNCIO 1
#define NFS_DPF(cat, args) \
do { \
if (nfs_debug & NFS_DEBUG_##cat) printf args; \
} while (0)
#else
#define NFS_DPF(cat, args)
#endif
#endif /* KERNEL */
#endif
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