xref: /src/sys/arch/amiga/stand/bootblock/boot/amigaio.h

/* $NetBSD: amigaio.h,v 1.4 2008/04/28 20:23:13 martin Exp $ */

/*-
 * Copyright (c) 1996 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Ignatios Souvatzis.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * This describes the IO parameter block used by many standard
 * Amiga OS device drivers.
 */
#ifndef AMIGA_IO_H
#define AMIGA_IO_H

struct AmigaIO {
	u_int8_t	dum0[28];
	u_int16_t	cmd;
	u_int8_t	flags;
	int8_t		err;
	u_int32_t	actual, /* transferred */
			length;	/* please transfer this much */
	void 		*buf;	/* data buffer */
	u_int32_t	offset;	/* offset for block devices */
};

struct TimerIO {
	u_int8_t	dum0[28];
	u_int16_t	cmd;
	u_int8_t	flags;
	int8_t		err;
	u_int32_t	secs,
			usec;
};

/* flags */
#define	QuickIO		0x1

/* commands */
#define Cmd_Rst		0x1
#define Cmd_Rd		0x2
#define Cmd_Wr		0x3
#define Cmd_Upd		0x4
#define Cmd_Clr		0x5
#define Cmd_Stp		0x6
#define Cmd_Strt	0x7
#define Cmd_Flsh	0x8

#define Cmd_Addtimereq	0x9

#endif /* AMIGA_IO_H */