1/*	$NetBSD: filecore_extern.h,v 1.21 2013/06/19 18:16:10 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
79struct 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
104extern struct pool filecore_node_pool;
105
106VFS_PROTOS(filecore);
107
108extern int (**filecore_vnodeop_p)(void *);
109
110int filecore_bbchecksum(void *);
111int filecore_bread(struct filecore_mnt *, u_int32_t, int,
112    kauth_cred_t, struct buf **);
113int filecore_map(struct filecore_mnt *, u_int32_t, daddr_t, daddr_t *);
114