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      1 /*	$NetBSD: filecore_extern.h,v 1.22 2013/06/23 07:28:36 dholland Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1994 The Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	filecore_extern.h	1.1	1998/6/26
     32  */
     33 
     34 /*-
     35  * Copyright (c) 1998 Andrew McMurry
     36  *
     37  * Redistribution and use in source and binary forms, with or without
     38  * modification, are permitted provided that the following conditions
     39  * are met:
     40  * 1. Redistributions of source code must retain the above copyright
     41  *    notice, this list of conditions and the following disclaimer.
     42  * 2. Redistributions in binary form must reproduce the above copyright
     43  *    notice, this list of conditions and the following disclaimer in the
     44  *    documentation and/or other materials provided with the distribution.
     45  * 3. All advertising materials mentioning features or use of this software
     46  *    must display the following acknowledgement:
     47  *	This product includes software developed by the University of
     48  *	California, Berkeley and its contributors.
     49  * 4. Neither the name of the University nor the names of its contributors
     50  *    may be used to endorse or promote products derived from this software
     51  *    without specific prior written permission.
     52  *
     53  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     54  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     55  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     56  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     57  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     58  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     59  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     60  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     61  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     62  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     63  * SUCH DAMAGE.
     64  *
     65  *	filecore_extern.h	1.1	1998/6/26
     66  */
     67 
     68 /*
     69  * Definitions used in the kernel for Acorn Filecore file system support.
     70  */
     71 #if !defined(_KERNEL)
     72 #error not supposed to be exposed to userland.
     73 #endif
     74 
     75 #ifndef	FILECOREMNT_ROOT
     76 #define	FILECOREMNT_ROOT	0
     77 #endif
     78 
     79 struct filecore_mnt {
     80 	struct mount *fc_mountp;
     81 	dev_t fc_dev;
     82 	struct vnode *fc_devvp;
     83 
     84 	u_int32_t blksize;
     85 	u_int32_t log2bsize;
     86 	u_int32_t map;
     87 	u_int32_t idspz;
     88 	u_int32_t mask;
     89 	u_int64_t nblks;
     90 
     91 	uid_t fc_uid;		/* uid to set as owner of the files */
     92 	gid_t fc_gid;		/* gid to set as owner of the files */
     93 	int fc_mntflags;
     94 	struct filecore_disc_record drec;
     95 };
     96 
     97 #define VFSTOFILECORE(mp)	((struct filecore_mnt *)((mp)->mnt_data))
     98 
     99 #define filecore_blkoff(fcp, loc)	((loc) & ((fcp)->blksize-1))
    100 #define filecore_lblktosize(fcp, blk)	((blk) << (fcp)->log2bsize)
    101 #define filecore_lblkno(fcp, loc)	((loc) >> (fcp)->log2bsize)
    102 #define filecore_blksize(fcp, ip, lbn)	((fcp)->blksize)
    103 
    104 extern struct pool filecore_node_pool;
    105 
    106 VFS_PROTOS(filecore);
    107 
    108 extern int (**filecore_vnodeop_p)(void *);
    109 
    110 int filecore_bbchecksum(void *);
    111 int filecore_bread(struct filecore_mnt *, u_int32_t, int,
    112     kauth_cred_t, struct buf **);
    113 int filecore_map(struct filecore_mnt *, u_int32_t, daddr_t, daddr_t *);
    114