xref: /netbsd/sys/sys/fdio.h (revision 2a9a9741)
1 /*	$NetBSD: fdio.h,v 1.6 2016/01/23 01:26:14 dholland Exp $	*/
2 
3 /*-
4  * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by John Kohl.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _SYS_FDIO_H_
33 #define _SYS_FDIO_H_
34 
35 #include <sys/ioccom.h>
36 
37 /* Floppy diskette definitions */
38 
39 enum fdformat_result {
40 	FDFORMAT_SUCCESS,
41 	FDFORMAT_MEDIA_ERROR,		/* hardware reported a formatting
42 					   error */
43 	FDFORMAT_CONFIG_ERROR		/* something bogus in parameters */
44 };
45 
46 #define FDFORMAT_VERSION 19961120
47 
48 struct fdformat_cmd {
49 	unsigned int formatcmd_version;	/* FDFORMAT_VERSION */
50 	int head;		/* IN */
51 	int cylinder;		/* IN */
52 };
53 
54 struct fdformat_parms {
55 /* list of items taken from i386 formatting glop (NEC 765);
56    should be made the union of support needed for other devices. */
57     unsigned int fdformat_version;/* rev this when needed; write drivers to
58 				   allow forward compatibility, please,
59 				   and add elements to the end of the
60 				   structure */
61     unsigned int nbps;			/* number of bytes per sector */
62     unsigned int ncyl;			/* number of cylinders */
63     unsigned int nspt;			/* sectors per track */
64     unsigned int ntrk;			/* number of heads/tracks per cyl */
65     unsigned int stepspercyl;		/* steps per cylinder */
66     unsigned int gaplen;		/* formatting gap length */
67     unsigned int fillbyte;		/* formatting fill byte */
68     unsigned int xfer_rate;		/* in bits per second; driver
69 					   must convert */
70     unsigned int interleave;		/* interleave factor */
71 };
72 
73 
74 #define FDOPT_NORETRY 0x0001	/* no retries on failure (cleared on close) */
75 #define FDOPT_SILENT  0x0002	/* no error messages (cleared on close) */
76 
77 #define FDIOCGETOPTS  _IOR('d', 114, int) /* drive options, see previous */
78 #define FDIOCSETOPTS  _IOW('d', 115, int)
79 
80 #define FDIOCSETFORMAT _IOW('d', 116, struct fdformat_parms) /* set format parms */
81 #define FDIOCGETFORMAT _IOR('d', 117, struct fdformat_parms) /* get format parms */
82 #define FDIOCFORMAT_TRACK _IOW('d', 118, struct fdformat_cmd) /* do it */
83 
84 #endif /* _SYS_FDIO_H_ */
85