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filecore_extern.h revision 1.2 
      1 /*	$NetBSD: filecore_extern.h,v 1.2 2003/02/01 06:23:41 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 Andrew McMurry
      5  * Copyright (c) 1994 The Regents of the University of California.
      6  * All rights reserved.
      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  *	filecore_extern.h	1.1	1998/6/26
     37  */
     38 
     39 /*
     40  * Definitions used in the kernel for Acorn Filecore file system support.
     41  */
     42 
     43 #ifndef	FILECOREMNT_ROOT
     44 #define	FILECOREMNT_ROOT	0
     45 #endif
     46 
     47 #include <sys/mallocvar.h>
     48 
     49 MALLOC_DECLARE(M_FILECOREMNT);
     50 
     51 struct filecore_mnt {
     52 	struct mount *fc_mountp;
     53 	dev_t fc_dev;
     54 	struct vnode *fc_devvp;
     55 
     56 	u_int32_t blksize;
     57 	u_int32_t log2bsize;
     58 	u_int32_t map;
     59 	u_int32_t idspz;
     60 	u_int32_t mask;
     61 	u_int64_t nblks;
     62 
     63 	uid_t fc_uid;		/* uid to set as owner of the files */
     64 	gid_t fc_gid;		/* gid to set as owner of the files */
     65 	int fc_mntflags;
     66 	struct netexport fc_export;
     67 	struct filecore_disc_record drec;
     68 };
     69 
     70 #define VFSTOFILECORE(mp)	((struct filecore_mnt *)((mp)->mnt_data))
     71 
     72 #define blkoff(fcp, loc)	((loc) & ((fcp)->blksize-1))
     73 #define lblktosize(fcp, blk)	((blk) << (fcp)->log2bsize)
     74 #define lblkno(fcp, loc)	((loc) >> (fcp)->log2bsize)
     75 #define blksize(fcp, ip, lbn)	((fcp)->blksize)
     76 
     77 extern struct pool filecore_node_pool;
     78 
     79 int filecore_mount __P((struct mount *,
     80 	    const char *, void *, struct nameidata *, struct proc *));
     81 int filecore_start __P((struct mount *, int, struct proc *));
     82 int filecore_unmount __P((struct mount *, int, struct proc *));
     83 int filecore_root __P((struct mount *, struct vnode **));
     84 int filecore_quotactl __P((struct mount *, int, uid_t, caddr_t, struct proc *));
     85 int filecore_statfs __P((struct mount *, struct statfs *, struct proc *));
     86 int filecore_sync __P((struct mount *, int, struct ucred *, struct proc *));
     87 int filecore_vget __P((struct mount *, ino_t, struct vnode **));
     88 int filecore_fhtovp __P((struct mount *, struct fid *, struct vnode **));
     89 int filecore_checkexp __P((struct mount *, struct mbuf *, int *,
     90 	    struct ucred **));
     91 int filecore_vptofh __P((struct vnode *, struct fid *));
     92 void filecore_init __P((void));
     93 void filecore_reinit __P((void));
     94 void filecore_done __P((void));
     95 int filecore_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
     96 			struct proc *));
     97 
     98 extern int (**filecore_vnodeop_p) __P((void *));
     99 
    100 int filecore_bbchecksum __P((void *));
    101 int filecore_bread __P((struct filecore_mnt *, u_int32_t, int, struct ucred *,
    102 			struct buf **));
    103 int filecore_map __P((struct filecore_mnt *, u_int32_t, daddr_t, daddr_t *));
    104