xref: /netbsd-src/sys/arch/amiga/stand/bootblock/boot/amigaio.h (revision d0fed6c87ddc40a8bffa6f99e7433ddfc864dd83)
1 /*
2  * $NetBSD: amigaio.h,v 1.1.1.1 1996/11/29 23:36:29 is Exp $
3  *
4  *
5  * Copyright (c) 1996 Ignatios Souvatzis
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 Ignatios Souvatzis
19  *      for the NetBSD project.
20  * 4. The name of the author may not be used to endorse or promote products
21  *    derived from this software without specific prior written permission
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  */
35 
36 /*
37  * This describes the IO parameter block used by many standard
38  * Amiga OS device drivers.
39  */
40 #ifndef AMIGA_IO_H
41 #define AMIGA_IO_H
42 
43 struct AmigaIO {
44 	u_int8_t	dum0[28];
45 	u_int16_t	cmd;
46 	u_int8_t	flags;
47 	int8_t		err;
48 	u_int32_t	actual, /* transferred */
49 			length;	/* please transfer this much */
50 	void 		*buf;	/* data buffer */
51 	u_int32_t	offset;	/* offset for block devices */
52 };
53 
54 struct TimerIO {
55 	u_int8_t	dum0[28];
56 	u_int16_t	cmd;
57 	u_int8_t	flags;
58 	int8_t		err;
59 	u_int32_t	secs,
60 			usec;
61 };
62 
63 /* flags */
64 #define	QuickIO		0x1
65 
66 /* commands */
67 #define Cmd_Rst		0x1
68 #define Cmd_Rd		0x2
69 #define Cmd_Wr		0x3
70 #define Cmd_Upd		0x4
71 #define Cmd_Clr		0x5
72 #define Cmd_Stp		0x6
73 #define Cmd_Strt	0x7
74 #define Cmd_Flsh	0x8
75 
76 #define Cmd_Addtimereq	0x9
77 
78 #endif /* AMIGA_IO_H */
79