2013-04-06 16:48:33 +02:00

76 lines
2.9 KiB
C

/* $NetBSD: diskio.h,v 1.1 2002/02/24 20:51:08 leo Exp $ */
/*
* Copyright (c) 1995 Waldi Ravens.
* All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Waldi Ravens.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#ifndef DISKIO_H
#define DISKIO_H
#define MINOR(bus, target, lun) (lun)
#define MAJOR(bus, target, lun) (((bus) << 3) + (target))
#define LUN(major, minor) (minor)
#define TARGET(major, minor) ((major) & 0x0007)
#define BUS(major, minor) (((major) >> 3) & 0x1FFF)
#define BIOSDEV(major, minor) (((minor) == 0) ? ((major) + 2) : 0)
typedef enum {
ACSI = 0,
SCSI = 1,
IDE = 2
} bus_t;
typedef struct {
u_int major; /* XHDI major number */
u_int minor; /* XHDI minor number */
char * sname; /* short name (s00) */
char * fname; /* full name (scsi target 0 lun 0)*/
char * product; /* product name */
u_long bsize; /* block size in bytes */
u_long msize; /* medium size in blocks */
void *xtra_info; /* application specific info */
} disk_t;
/*
* diskio.c
*/
EXTERN disk_t * disk_open PROTO((char *));
EXTERN void disk_close PROTO((disk_t *));
EXTERN void * disk_read PROTO((disk_t *, u_int, u_int));
EXTERN int disk_write PROTO((disk_t *, u_int, u_int, void *));
/*
* biosrw.s
*/
EXTERN int bios_read PROTO((void *, u_int, u_int, u_int));
EXTERN int bios_write PROTO((void *, u_int, u_int, u_int));
EXTERN void bios_critic PROTO((void));
#endif /* DISKIO_H */