FreeBSD/Linux Kernel Cross Reference
sys/fs/filecorefs/filecore_extern.h

     /*      $NetBSD: filecore_extern.h,v 1.6.2.1 2004/05/23 10:44:39 tron Exp $     */
     
     /*-
      * Copyright (c) 1994 The Regents of the University of California.
      * All rights reserved.
      *
      * 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. 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.
     *
     *      filecore_extern.h       1.1     1998/6/26
     */
    
    /*-
     * Copyright (c) 1998 Andrew McMurry
     *
     * 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.
     *
     *      filecore_extern.h       1.1     1998/6/26
     */
    
    /*
     * Definitions used in the kernel for Acorn Filecore file system support.
     */
    
    #ifndef FILECOREMNT_ROOT
    #define FILECOREMNT_ROOT        0
    #endif
    
    #include <sys/mallocvar.h>
    
    MALLOC_DECLARE(M_FILECOREMNT);
    
    struct filecore_mnt {
            struct mount *fc_mountp;
            dev_t fc_dev;
            struct vnode *fc_devvp;
    
            u_int32_t blksize;
            u_int32_t log2bsize;
            u_int32_t map;
            u_int32_t idspz;
            u_int32_t mask;
            u_int64_t nblks;
    
            uid_t fc_uid;           /* uid to set as owner of the files */
            gid_t fc_gid;           /* gid to set as owner of the files */
            int fc_mntflags;
            struct netexport fc_export;
            struct filecore_disc_record drec;
    };
    
    #define VFSTOFILECORE(mp)       ((struct filecore_mnt *)((mp)->mnt_data))
   
   #define blkoff(fcp, loc)        ((loc) & ((fcp)->blksize-1))
   #define lblktosize(fcp, blk)    ((blk) << (fcp)->log2bsize)
   #define lblkno(fcp, loc)        ((loc) >> (fcp)->log2bsize)
   #define blksize(fcp, ip, lbn)   ((fcp)->blksize)
   
   extern struct pool filecore_node_pool;
   
   int filecore_mount __P((struct mount *,
               const char *, void *, struct nameidata *, struct proc *));
   int filecore_start __P((struct mount *, int, struct proc *));
   int filecore_unmount __P((struct mount *, int, struct proc *));
   int filecore_root __P((struct mount *, struct vnode **));
   int filecore_quotactl __P((struct mount *, int, uid_t, caddr_t, struct proc *));
   int filecore_statfs __P((struct mount *, struct statfs *, struct proc *));
   int filecore_sync __P((struct mount *, int, struct ucred *, struct proc *));
   int filecore_vget __P((struct mount *, ino_t, struct vnode **));
   int filecore_fhtovp __P((struct mount *, struct fid *, struct vnode **));
   int filecore_checkexp __P((struct mount *, struct mbuf *, int *,
               struct ucred **));
   int filecore_vptofh __P((struct vnode *, struct fid *));
   void filecore_init __P((void));
   void filecore_reinit __P((void));
   void filecore_done __P((void));
   
   #ifdef SYSCTL_SETUP_PROTO
   SYSCTL_SETUP_PROTO(sysctl_vfs_filecore_setup);
   #endif /* SYSCTL_SETUP_PROTO */
   
   extern int (**filecore_vnodeop_p) __P((void *));
   
   int filecore_bbchecksum __P((void *));
   int filecore_bread __P((struct filecore_mnt *, u_int32_t, int, struct ucred *,
                           struct buf **));
   int filecore_map __P((struct filecore_mnt *, u_int32_t, daddr_t, daddr_t *));

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