The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/fs/portalfs/portal.h

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    1 /*
    2  * Copyright (c) 1992, 1993
    3  *      The Regents of the University of California.  All rights reserved.
    4  *
    5  * This code is derived from software donated to Berkeley by
    6  * Jan-Simon Pendry.
    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  *      @(#)portal.h    8.4 (Berkeley) 1/21/94
   37  *
   38  * $FreeBSD: releng/5.0/sys/fs/portalfs/portal.h 55206 1999-12-29 05:07:58Z peter $
   39  */
   40 
   41 struct portal_args {
   42         char            *pa_config;     /* Config file */
   43         int             pa_socket;      /* Socket to server */
   44 };
   45 
   46 struct portal_cred {
   47         int             pcr_flag;               /* File open mode */
   48         uid_t           pcr_uid;                /* From ucred */
   49         short           pcr_ngroups;            /* From ucred */
   50         gid_t           pcr_groups[NGROUPS];    /* From ucred */
   51 };
   52 
   53 #ifdef _KERNEL
   54 struct portalmount {
   55         struct vnode    *pm_root;       /* Root node */
   56         struct file     *pm_server;     /* Held reference to server socket */
   57 };
   58 
   59 struct portalnode {
   60         int             pt_size;        /* Length of Arg */
   61         char            *pt_arg;        /* Arg to send to server */
   62         int             pt_fileid;      /* cookie */
   63 };
   64 
   65 #define VFSTOPORTAL(mp) ((struct portalmount *)((mp)->mnt_data))
   66 #define VTOPORTAL(vp) ((struct portalnode *)(vp)->v_data)
   67 
   68 #define PORTAL_ROOTFILEID       2
   69 
   70 extern vop_t **portal_vnodeop_p;
   71 #endif /* _KERNEL */

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