sys/vfs/portal/portal.h

   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: src/sys/miscfs/portal/portal.h,v 1.7 1999/12/29 04:54:45 peter Exp $
  39  * $DragonFly: src/sys/vfs/portal/portal.h,v 1.4 2004/08/17 18:57:35 dillon Exp $
  40  */
  41
  42 struct portal_args {
  43         char            *pa_config;     /* Config file */
  44         int             pa_socket;      /* Socket to server */
  45 };
  46
  47 struct portal_cred {
  48         int             pcr_flag;               /* File open mode */
  49         uid_t           pcr_uid;                /* From ucred */
  50         short           pcr_ngroups;            /* From ucred */
  51         gid_t           pcr_groups[NGROUPS];    /* From ucred */
  52 };
  53
  54 #ifdef _KERNEL
  55 struct portalmount {
  56         struct vnode    *pm_root;       /* Root node */
  57         struct file     *pm_server;     /* Held reference to server socket */
  58 };
  59
  60 struct portalnode {
  61         int             pt_size;        /* Length of Arg */
  62         char            *pt_arg;        /* Arg to send to server */
  63         int             pt_fileid;      /* cookie */
  64 };
  65
  66 #define VFSTOPORTAL(mp) ((struct portalmount *)((mp)->mnt_data))
  67 #define VTOPORTAL(vp) ((struct portalnode *)(vp)->v_data)
  68
  69 #define PORTAL_ROOTFILEID       2
  70
  71 #endif /* _KERNEL */