Annotation of sys/arch/sparc64/include/ioctl_fd.h, Revision 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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