Annotation of XNU/bsd/nfs/nfsmount.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            23: /*
        !            24:  * Copyright (c) 1989, 1993
        !            25:  *     The Regents of the University of California.  All rights reserved.
        !            26:  *
        !            27:  * This code is derived from software contributed to Berkeley by
        !            28:  * Rick Macklem at The University of Guelph.
        !            29:  *
        !            30:  * Redistribution and use in source and binary forms, with or without
        !            31:  * modification, are permitted provided that the following conditions
        !            32:  * are met:
        !            33:  * 1. Redistributions of source code must retain the above copyright
        !            34:  *    notice, this list of conditions and the following disclaimer.
        !            35:  * 2. Redistributions in binary form must reproduce the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer in the
        !            37:  *    documentation and/or other materials provided with the distribution.
        !            38:  * 3. All advertising materials mentioning features or use of this software
        !            39:  *    must display the following acknowledgement:
        !            40:  *     This product includes software developed by the University of
        !            41:  *     California, Berkeley and its contributors.
        !            42:  * 4. Neither the name of the University nor the names of its contributors
        !            43:  *    may be used to endorse or promote products derived from this software
        !            44:  *    without specific prior written permission.
        !            45:  *
        !            46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            56:  * SUCH DAMAGE.
        !            57:  *
        !            58:  *     @(#)nfsmount.h  8.3 (Berkeley) 3/30/95
        !            59:  * FreeBSD-Id: nfsmount.h,v 1.13 1997/08/16 19:16:05 wollman Exp $
        !            60:  */
        !            61: 
        !            62: 
        !            63: #ifndef _NFS_NFSMOUNT_H_
        !            64: #define _NFS_NFSMOUNT_H_
        !            65: 
        !            66: /*
        !            67:  * Mount structure.
        !            68:  * One allocated on every NFS mount.
        !            69:  * Holds NFS specific information for mount.
        !            70:  */
        !            71: struct nfsmount {
        !            72:        int     nm_flag;                /* Flags for soft/hard... */
        !            73:        struct  mount *nm_mountp;       /* Vfs structure for this filesystem */
        !            74:        int     nm_numgrps;             /* Max. size of groupslist */
        !            75:        u_char  nm_fh[NFSX_V3FHMAX];    /* File handle of root dir */
        !            76:        int     nm_fhsize;              /* Size of root file handle */
        !            77:        struct  socket *nm_so;          /* Rpc socket */
        !            78:        int     nm_sotype;              /* Type of socket */
        !            79:        int     nm_soproto;             /* and protocol */
        !            80:        int     nm_soflags;             /* pr_flags for socket protocol */
        !            81:        struct  mbuf *nm_nam;           /* Addr of server */
        !            82:        int     nm_timeo;               /* Init timer for NFSMNT_DUMBTIMR */
        !            83:        int     nm_retry;               /* Max retries */
        !            84:        int     nm_srtt[4];             /* Timers for rpcs */
        !            85:        int     nm_sdrtt[4];
        !            86:        int     nm_sent;                /* Request send count */
        !            87:        int     nm_cwnd;                /* Request send window */
        !            88:        int     nm_timeouts;            /* Request timeouts */
        !            89:        int     nm_deadthresh;          /* Threshold of timeouts-->dead server*/
        !            90:        int     nm_rsize;               /* Max size of read rpc */
        !            91:        int     nm_wsize;               /* Max size of write rpc */
        !            92:        int     nm_readdirsize;         /* Size of a readdir rpc */
        !            93:        int     nm_readahead;           /* Num. of blocks to readahead */
        !            94:        int     nm_leaseterm;           /* Term (sec) for NQNFS lease */
        !            95:        CIRCLEQ_HEAD(, nfsnode) nm_timerhead; /* Head of lease timer queue */
        !            96:        struct vnode *nm_inprog;        /* Vnode in prog by nqnfs_clientd() */
        !            97:        uid_t   nm_authuid;             /* Uid for authenticator */
        !            98:        int     nm_authtype;            /* Authenticator type */
        !            99:        int     nm_authlen;             /* and length */
        !           100:        char    *nm_authstr;            /* Authenticator string */
        !           101:        char    *nm_verfstr;            /* and the verifier */
        !           102:        int     nm_verflen;
        !           103:        u_char  nm_verf[NFSX_V3WRITEVERF]; /* V3 write verifier */
        !           104:        NFSKERBKEY_T nm_key;            /* and the session key */
        !           105:        int     nm_numuids;             /* Number of nfsuid mappings */
        !           106:        TAILQ_HEAD(, nfsuid) nm_uidlruhead; /* Lists of nfsuid mappings */
        !           107:        LIST_HEAD(, nfsuid) nm_uidhashtbl[NFS_MUIDHASHSIZ];
        !           108:        TAILQ_HEAD(, buf) nm_bufq;      /* async io buffer queue */
        !           109:        short   nm_bufqlen;             /* number of buffers in queue */
        !           110:        short   nm_bufqwant;            /* process wants to add to the queue */
        !           111:        int     nm_bufqiods;            /* number of iods processing queue */
        !           112: };
        !           113: 
        !           114: #if defined(KERNEL)
        !           115: /*
        !           116:  * Convert mount ptr to nfsmount ptr.
        !           117:  */
        !           118: #define VFSTONFS(mp)   ((struct nfsmount *)((mp)->mnt_data))
        !           119: 
        !           120: #endif /* KERNEL */
        !           121: 
        !           122: #endif

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