diskio.h revision 1.1.2.2 1 1.1.2.2 nathanw /* $NetBSD: diskio.h,v 1.1.2.2 2002/02/28 04:08:33 nathanw Exp $ */
2 1.1.2.2 nathanw
3 1.1.2.2 nathanw /*
4 1.1.2.2 nathanw * Copyright (c) 1995 Waldi Ravens.
5 1.1.2.2 nathanw * All rights reserved.
6 1.1.2.2 nathanw *
7 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without
8 1.1.2.2 nathanw * modification, are permitted provided that the following conditions
9 1.1.2.2 nathanw * are met:
10 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
11 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer.
12 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
13 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
14 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution.
15 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software
16 1.1.2.2 nathanw * must display the following acknowledgement:
17 1.1.2.2 nathanw * This product includes software developed by Waldi Ravens.
18 1.1.2.2 nathanw * 4. The name of the author may not be used to endorse or promote products
19 1.1.2.2 nathanw * derived from this software without specific prior written permission.
20 1.1.2.2 nathanw *
21 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 1.1.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 1.1.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 1.1.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 1.1.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 1.1.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 1.1.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 1.1.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 1.1.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 1.1.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 1.1.2.2 nathanw */
32 1.1.2.2 nathanw
33 1.1.2.2 nathanw #ifndef DISKIO_H
34 1.1.2.2 nathanw #define DISKIO_H
35 1.1.2.2 nathanw
36 1.1.2.2 nathanw #define MINOR(bus, target, lun) (lun)
37 1.1.2.2 nathanw #define MAJOR(bus, target, lun) (((bus) << 3) + (target))
38 1.1.2.2 nathanw
39 1.1.2.2 nathanw #define LUN(major, minor) (minor)
40 1.1.2.2 nathanw #define TARGET(major, minor) ((major) & 0x0007)
41 1.1.2.2 nathanw #define BUS(major, minor) (((major) >> 3) & 0x1FFF)
42 1.1.2.2 nathanw #define BIOSDEV(major, minor) (((minor) == 0) ? ((major) + 2) : 0)
43 1.1.2.2 nathanw
44 1.1.2.2 nathanw typedef enum {
45 1.1.2.2 nathanw ACSI = 0,
46 1.1.2.2 nathanw SCSI = 1,
47 1.1.2.2 nathanw IDE = 2
48 1.1.2.2 nathanw } bus_t;
49 1.1.2.2 nathanw
50 1.1.2.2 nathanw typedef struct {
51 1.1.2.2 nathanw u_int major; /* XHDI major number */
52 1.1.2.2 nathanw u_int minor; /* XHDI minor number */
53 1.1.2.2 nathanw char * sname; /* short name (s00) */
54 1.1.2.2 nathanw char * fname; /* full name (scsi target 0 lun 0)*/
55 1.1.2.2 nathanw char * product; /* product name */
56 1.1.2.2 nathanw u_long bsize; /* block size in bytes */
57 1.1.2.2 nathanw u_long msize; /* medium size in blocks */
58 1.1.2.2 nathanw void *xtra_info; /* application specific info */
59 1.1.2.2 nathanw } disk_t;
60 1.1.2.2 nathanw
61 1.1.2.2 nathanw /*
62 1.1.2.2 nathanw * diskio.c
63 1.1.2.2 nathanw */
64 1.1.2.2 nathanw EXTERN disk_t * disk_open PROTO((char *));
65 1.1.2.2 nathanw EXTERN void disk_close PROTO((disk_t *));
66 1.1.2.2 nathanw EXTERN void * disk_read PROTO((disk_t *, u_int, u_int));
67 1.1.2.2 nathanw EXTERN int disk_write PROTO((disk_t *, u_int, u_int, void *));
68 1.1.2.2 nathanw
69 1.1.2.2 nathanw /*
70 1.1.2.2 nathanw * biosrw.s
71 1.1.2.2 nathanw */
72 1.1.2.2 nathanw EXTERN int bios_read PROTO((void *, u_int, u_int, u_int));
73 1.1.2.2 nathanw EXTERN int bios_write PROTO((void *, u_int, u_int, u_int));
74 1.1.2.2 nathanw EXTERN void bios_critic PROTO((void));
75 1.1.2.2 nathanw #endif /* DISKIO_H */
76