xref: /dragonfly/sys/vfs/hpfs/hpfs_subr.h (revision 1de703da)
1 /*-
2  * Copyright (c) 1998, 1999 Semen Ustimenko (semenu@FreeBSD.org)
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sys/fs/hpfs/hpfs_subr.h,v 1.1 1999/12/09 19:09:59 semenu Exp $
27  * $DragonFly: src/sys/vfs/hpfs/hpfs_subr.h,v 1.2 2003/06/17 04:28:33 dillon Exp $
28  */
29 
30 #define	hpfs_bmmarkfree(hpmp, bn,bl) hpfs_bmmark(hpmp, bn, bl, 1)
31 #define	hpfs_bmmarkbusy(hpmp, bn,bl) hpfs_bmmark(hpmp, bn, bl, 0)
32 
33 u_long		hpfs_checksum (u_int8_t *, int);
34 
35 int		hpfs_bminit (struct hpfsmount *);
36 void		hpfs_bmdeinit (struct hpfsmount *);
37 int		hpfs_bmfblookup (struct hpfsmount *, lsn_t *);
38 int		hpfs_bmmark (struct hpfsmount *, lsn_t, u_long, int);
39 int		hpfs_bmlookup (struct hpfsmount *, u_long, lsn_t, u_long,
40 				lsn_t *, u_long *);
41 
42 struct hpfs_args;
43 int		hpfs_cpinit (struct hpfsmount *, struct hpfs_args *);
44 int		hpfs_cpdeinit (struct hpfsmount *);
45 int		hpfs_cpload (struct hpfsmount *, struct cpiblk *,
46 			     struct cpdblk *);
47 int		hpfs_cpstrnnicmp (struct hpfsmount *, char *, int, u_int16_t,
48 				  char *, int, u_int16_t);
49 int		hpfs_cmpfname (struct hpfsmount *, char *, int,
50 			       char *, int, u_int16_t);
51 
52 /* XXX Need unsigned conversion? */
53 #define	hpfs_u2d(hpmp, c)	((((u_char)(c))&0x80)?(hpmp->hpm_u2d[((u_char)(c))&0x7F]):((u_char)(c)))
54 #define hpfs_d2u(hpmp, c)	((((u_char)(c))&0x80)?(hpmp->hpm_d2u[((u_char)(c))&0x7F]):((u_char)(c)))
55 #define	hpfs_toupper(hpmp, c, cp)	((((u_char)(c))&0x80) ? ((u_char)((hpmp)->hpm_cpdblk[(cp)].b_upcase[((u_char)(c))&0x7F])) : ((((u_char)(c)) >= 'a' && ((u_char)(c)) <='z')?(((u_char)(c))-'a'+'A'):((u_char)(c))))
56 
57 
58 int		hpfs_truncate (struct hpfsnode *, u_long);
59 int		hpfs_extend (struct hpfsnode *, u_long);
60 
61 int		hpfs_updateparent (struct hpfsnode *);
62 int		hpfs_update (struct hpfsnode *);
63 
64 int		hpfs_validateparent (struct hpfsnode *);
65 struct timespec	hpfstimetounix (u_long);
66 int		hpfs_genlookupbyname (struct hpfsnode *, char *, int,
67 				      struct buf **, struct hpfsdirent **);
68 
69 int		hpfs_makefnode (struct vnode *, struct vnode **,
70 				struct componentname *, struct vattr *);
71 int		hpfs_removefnode (struct vnode *, struct vnode *,
72 				struct componentname *);
73 
74 int		hpfs_breadstruct (struct hpfsmount *, lsn_t, u_int, u_int32_t,
75 				 struct buf **);
76 #define	hpfs_breadalsec(hpmp, lsn, bpp) \
77 	hpfs_breadstruct(hpmp, lsn, DEV_BSIZE, AS_MAGIC, bpp)
78 #define	hpfs_breaddirblk(hpmp, lsn, bpp) \
79 	hpfs_breadstruct(hpmp, lsn, D_BSIZE, D_MAGIC, bpp)
80 
81 #if 0
82 #define	hpfs_hplock(hp, p)	LOCKMGR(&(hp)->h_intlock, LK_EXCLUSIVE, (p))
83 #define	hpfs_hpunlock(hp, p)	LOCKMGR(&(hp)->h_intlock, LK_RELEASE, (p))
84 #endif
85 
86 int		hpfs_hpbmap (struct hpfsnode *, daddr_t, daddr_t *, int *);
87 int		hpfs_truncatealblk (struct hpfsmount *, alblk_t *, lsn_t,int *);
88 int		hpfs_addextent (struct hpfsmount *, struct hpfsnode *, u_long);
89