/*      $NetBSD: aptck.h,v 1.3 2002/02/24 20:51:07 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 APTCK_H
#define APTCK_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 {
       char            id[4];
       u_int           start;
       u_int           end;
       u_int           rsec;
       u_int           rent;
} part_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        */
       u_int           bblock;         /* NetBSD boot block            */
       u_int           lblofs;         /* label offset in boot block   */
       u_int           hdsize;         /* medium size from root sector */
       u_int           bslst;          /* start of bad sector list     */
       u_int           bslend;         /* end of bad sector list       */
       u_int           nroots;         /* # of auxiliary root sectors  */
       u_int           *roots;         /* list of auxiliary roots      */
       u_int           nparts;         /* number of regular partitions */
       part_t          *parts;         /* list of partition descriptors */
} disk_t;


/*
*      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));

/*
*      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 *));

/*
*      disklabel.c
*/
EXTERN int      readdisklabel PROTO((disk_t *));

#endif  /* APTCK_H */