Annotation of sys/arch/sparc64/include/ioctl_fd.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: ioctl_fd.h,v 1.1 2005/03/09 18:41:49 miod Exp $ */
2: /* from: ioctl_fd.h,v 1.4 1995/06/29 03:49:32 jtk Exp */
3:
4: /*
5: * Copyright (C) 1992-1994 by Joerg Wunsch, Dresden
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY
18: * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
23: * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24: * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
27: * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
28: * DAMAGE.
29: *
30: * From: Id: ioctl_fd.h,v 1.7 1994/10/30 19:17:39 joerg Exp
31: */
32:
33: #ifndef _SPARC64_IOCTL_FD_H_
34: #define _SPARC64_IOCTL_FD_H_
35:
36: #define FD_FORMAT_VERSION 110 /* used to validate before formatting */
37: #define FD_MAX_NSEC 36 /* highest known number of spt - allow for */
38: /* 2.88 MB drives */
39:
40: struct fd_formb {
41: int format_version; /* == FD_FORMAT_VERSION */
42: int cyl, head;
43: int transfer_rate; /* fdreg.h: FDC_???KBPS */
44:
45: union {
46: struct fd_form_data {
47: /*
48: * DO NOT CHANGE THE LAYOUT OF THIS STRUCTS
49: * it is hardware-dependant since it exactly
50: * matches the byte sequence to write to FDC
51: * during its `format track' operation
52: */
53: u_char secshift; /* 0 -> 128, ...; usually 2 -> 512 */
54: u_char nsecs; /* must be <= FD_MAX_NSEC */
55: u_char gaplen; /* GAP 3 length; usually 84 */
56: u_char fillbyte; /* usually 0xf6 */
57: struct fd_idfield_data {
58: /*
59: * data to write into id fields;
60: * for obscure formats, they mustn't match
61: * the real values (but mostly do)
62: */
63: u_char cylno; /* 0 thru 79 (or 39) */
64: u_char headno; /* 0, or 1 */
65: u_char secno; /* starting at 1! */
66: u_char secsize; /* usually 2 */
67: } idfields[FD_MAX_NSEC]; /* 0 <= idx < nsecs used */
68: } structured;
69: u_char raw[1]; /* to have continuous indexed access */
70: } format_info;
71: };
72:
73: /* make life easier */
74: # define fd_formb_secshift format_info.structured.secshift
75: # define fd_formb_nsecs format_info.structured.nsecs
76: # define fd_formb_gaplen format_info.structured.gaplen
77: # define fd_formb_fillbyte format_info.structured.fillbyte
78: /* these data must be filled in for(i = 0; i < fd_formb_nsecs; i++) */
79: # define fd_formb_cylno(i) format_info.structured.idfields[i].cylno
80: # define fd_formb_headno(i) format_info.structured.idfields[i].headno
81: # define fd_formb_secno(i) format_info.structured.idfields[i].secno
82: # define fd_formb_secsize(i) format_info.structured.idfields[i].secsize
83:
84: /*
85: * Floppies come in various flavors, e.g., 1.2MB vs 1.44MB; here is how
86: * we tell them apart.
87: */
88: struct fd_type {
89: int sectrac; /* sectors per track */
90: int heads; /* number of heads */
91: int seccyl; /* sectors per cylinder */
92: int secsize; /* size code for sectors */
93: int datalen; /* data len when secsize = 0 */
94: int steprate; /* step rate and head unload time */
95: int gap1; /* gap len between sectors */
96: int gap2; /* formatting gap */
97: int tracks; /* total num of tracks */
98: int size; /* size of disk in sectors */
99: int step; /* steps per cylinder */
100: int rate; /* transfer speed code */
101: char *name;
102: };
103:
104:
105: #define FD_FORM _IOW('F', 61, struct fd_formb) /* format a track */
106: #define FD_GTYPE _IOR('F', 62, struct fd_type) /* get drive type */
107: #define FD_STYPE _IOW('F', 63, struct fd_type) /* set drive type */
108:
109: #define FD_GOPTS _IOR('F', 64, int) /* drive options, see below */
110: #define FD_SOPTS _IOW('F', 65, int)
111:
112: #define FDOPT_NORETRY 0x0001 /* no retries on failure (cleared on close) */
113: #define FDOPT_SILENT 0x0002
114:
115: /*
116: * The following definitions duplicate those in sys/i386/isa/fdreg.h
117: * They are here since their values are to be used in the above
118: * structure when formatting a floppy. For very obvious reasons, both
119: * definitions must match ;-)
120: */
121: #ifndef FDC_500KBPS
122: #define FDC_500KBPS 0x00 /* 500KBPS MFM drive transfer rate */
123: #define FDC_300KBPS 0x01 /* 300KBPS MFM drive transfer rate */
124: #define FDC_250KBPS 0x02 /* 250KBPS MFM drive transfer rate */
125: #define FDC_125KBPS 0x03 /* 125KBPS FM drive transfer rate */
126: /* for some controllers 1MPBS instead */
127: #endif /* FDC_500KBPS */
128:
129:
130: #endif /* !_SPARC64_IOCTL_FD_H__ */
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