Annotation of sys/nfs/nfsmount.h, Revision 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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