xio.h revision 1.4 
1/* $NetBSD: xio.h,v 1.4 2015/09/07 03:49:46 dholland Exp $ */
2
3/*
4 * Copyright (c) 1995 Charles D. Cranor
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28/*
29 * x i o . h
30 *
31 * this file defines the software structure we use to ioctl the
32 * 753/7053.   this interface isn't set in stone and may (or may not)
33 * need adjustment.
34 *
35 * author: Chuck Cranor <chuck@netbsd>
36 */
37
38/*
39 * xylogic ioctl interface
40 */
41
42#include <sys/ioccom.h>
43
44struct xd_iocmd {
45  u_char cmd;       /* in: command number */
46  u_char subfn;     /* in: subfunction number */
47  u_char errno;     /* out: error number */
48  u_char tries;     /* out: number of tries */
49  u_short sectcnt;  /* in,out: sector count (hw_spt on read drive param) */
50  u_short dlen;     /* in: length of data buffer (good sanity check) */
51  u_long block;     /* in: block number */
52  void *dptr;     /* in: data buffer to do I/O from */
53};
54
55#ifndef DIOSXDCMD
56#define DIOSXDCMD _IOWR('x', 101, struct xd_iocmd) /* do xd command */
57#endif
58
59#define XD_IOCMD_MAXS 16 /* max number of sectors you can do */
60#define XD_IOCMD_HSZ   4 /* size of one header */
61#define XD_IOCMD_DMSZ 24 /* defect map size */
62