/* $NetBSD: xio.h,v 1.6 2015/09/06 06:01:01 dholland Exp $ */

/*
* Copyright (c) 1995 Charles D. Cranor
* 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.
*
* 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.
*/

/*
* x i o . h
*
* this file defines the software structure we use to ioctl the
* 753/7053.   this interface isn't set in stone and may (or may not)
* need adjustment.
*
* author: Chuck Cranor <chuck@netbsd>
*/

/*
* xylogic ioctl interface
*/

#include <sys/ioccom.h>


struct xd_iocmd {
       u_char cmd;     /* in: command number */
       u_char subfn;   /* in: subfunction number */
       u_char errnum;  /* out: error number */
       u_char tries;   /* out: number of tries */
       u_short sectcnt;/* in,out: sector count (hw_spt on read drive param) */
       u_short dlen;   /* in: length of data buffer (good sanity check) */
       u_int block;    /* in: block number */
       void *dptr;     /* in: data buffer to do I/O from */
};

#ifndef DIOSXDCMD
#define DIOSXDCMD _IOWR('x', 101, struct xd_iocmd) /* do xd command */
#endif

#define XD_IOCMD_MAXS 16 /* max number of sectors you can do */
#define XD_IOCMD_HSZ   4 /* size of one header */
#define XD_IOCMD_DMSZ 24 /* defect map size */