1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_FDIO_H 28 #define _SYS_FDIO_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Floppy Disk Characteristic Structure 38 */ 39 struct fd_char { 40 uchar_t fdc_medium; /* medium type. */ 41 int fdc_transfer_rate; /* transfer rate */ 42 int fdc_ncyl; /* number of cylinders */ 43 int fdc_nhead; /* number of heads */ 44 int fdc_sec_size; /* sector size */ 45 int fdc_secptrack; /* sectors per track */ 46 int fdc_steps; /* number of steps per */ 47 }; 48 49 /* 50 * Floppy State Structure 51 */ 52 struct fd_state { 53 int fds_bsec; /* bytes per sector */ 54 int fds_strack; /* sectors per track */ 55 int fds_step; /* step rate */ 56 int fds_rate; /* data rate */ 57 int fds_error; /* error returned by controller */ 58 }; 59 60 /* 61 * Used by FDGETCHANGE, return state of the sense disk change bit. 62 */ 63 #define FDGC_HISTORY 0x01 /* disk has changed since last i/o */ 64 #define FDGC_CURRENT 0x02 /* current state of disk change */ 65 #define FDGC_CURWPROT 0x10 /* current state of write protect */ 66 #define FDGC_DETECTED 0x20 /* previous state of DISK CHANGE */ 67 68 /* 69 * Used by FD{G, S}ETDRIVECHAR 70 */ 71 struct fd_drive { 72 int fdd_ejectable; /* does the drive support eject? */ 73 int fdd_maxsearch; /* size of per-unit search table */ 74 75 int fdd_writeprecomp; /* cyl to start write prcompensation */ 76 int fdd_writereduce; /* cyl to start recucing write current */ 77 int fdd_stepwidth; /* width of step pulse in 1 us units */ 78 int fdd_steprate; /* step rate in 100 us units */ 79 int fdd_headsettle; /* delay, in 100 us units */ 80 int fdd_headload; /* delay, in 100 us units */ 81 int fdd_headunload; /* delay, in 100 us units */ 82 int fdd_motoron; /* delay, in 100 ms units */ 83 int fdd_motoroff; /* delay, in 100 ms units */ 84 int fdd_precomplevel; /* bit shift, in nano-secs */ 85 int fdd_pins; /* defines meaning of pin 1, 2, 4, and 34 */ 86 int fdd_flags; /* TRUE READY, Starting Sector #, & Motor On */ 87 }; 88 89 /* 90 * fdd_flags: 91 */ 92 #define FDD_READY 0x1 93 #define FDD_MOTON 0x2 94 #define FDD_POLLABLE 0x4 95 96 /* 97 * Used by FD{G, S}ETSEARCH 98 */ 99 struct fd_search { 100 int fds_numentries; /* number of elements in the table */ 101 struct fd_char *fds_search; 102 }; 103 104 /* 105 * Used by FDIOCMD 106 */ 107 struct fd_cmd { 108 ushort_t fdc_cmd; /* command to be executed */ 109 int fdc_flags; /* execution flags */ 110 daddr_t fdc_blkno; /* disk address for command */ 111 int fdc_secnt; /* sector count for command */ 112 caddr_t fdc_bufaddr; /* user's buffer address */ 113 uint_t fdc_buflen; /* size of user's buffer */ 114 }; 115 116 #if defined(_SYSCALL32) 117 struct fd_cmd32 { 118 ushort_t fdc_cmd; /* command to be executed */ 119 int fdc_flags; /* execution flags */ 120 daddr32_t fdc_blkno; /* disk address for command */ 121 int fdc_secnt; /* sector count for command */ 122 caddr32_t fdc_bufaddr; /* user's buffer address */ 123 uint_t fdc_buflen; /* size of user's buffer */ 124 }; 125 #endif /* _SYSCALL32 */ 126 127 /* 128 * Floppy commands 129 */ 130 #define FDCMD_WRITE 1 131 #define FDCMD_READ 2 132 #define FDCMD_SEEK 3 133 #define FDCMD_REZERO 4 134 #define FDCMD_FORMAT_UNIT 5 135 #define FDCMD_FORMAT_TRACK 6 136 137 /* 138 * Execution flags. 139 */ 140 #define FD_SILENT 0x01 /* no error messages */ 141 #define FD_DIAGNOSE 0x02 /* fail if any error occurs */ 142 #define FD_ISOLATE 0x04 /* isolate from normal commands */ 143 #define FD_READ 0x08 /* read from device */ 144 #define FD_WRITE 0x10 /* write to device */ 145 146 /* 147 * Used by FDRAW 148 */ 149 struct fd_raw { 150 char fdr_cmd[10]; /* user-supplied command bytes */ 151 short fdr_cnum; /* number of command bytes */ 152 char fdr_result[10]; /* controller-supplied result bytes */ 153 ushort_t fdr_nbytes; /* number to transfer if read/write command */ 154 caddr_t fdr_addr; /* where to transfer if read/write command */ 155 }; 156 157 #ifdef _SYSCALL32 158 159 struct fd_raw32 { 160 char fdr_cmd[10]; /* user-supplied command bytes */ 161 short fdr_cnum; /* number of command bytes */ 162 char fdr_result[10]; /* controller-supplied result bytes */ 163 ushort_t fdr_nbytes; /* number to transfer if read/write command */ 164 caddr32_t fdr_addr; /* where to transfer if read/write command */ 165 }; 166 167 #endif /* _SYSCALL32 */ 168 169 170 /* 171 * Floppy raw commands 172 */ 173 #define FDRAW_SPECIFY 0x03 174 #define FDRAW_READID 0x0a 175 #define FDRAW_SENSE_DRV 0x04 176 #define FDRAW_REZERO 0x07 177 #define FDRAW_SEEK 0x0f 178 #define FDRAW_SENSE_INT 0x08 179 #define FDRAW_FORMAT 0x0d 180 #define FDRAW_READTRACK 0x02 181 #define FDRAW_WRCMD 0x05 182 #define FDRAW_RDCMD 0x06 183 #define FDRAW_WRITEDEL 0x09 184 #define FDRAW_READDEL 0x0c 185 186 187 /* 188 * Disk io control commands 189 */ 190 #define FDIOC (0x04 << 8) 191 #define FDIOGCHAR (FDIOC|51) /* GetCharacteristics */ 192 #define FDIOSCHAR (FDIOC|52) /* SetCharacteristics */ 193 #define FDEJECT (FDIOC|53) /* Eject floppy disk */ 194 #define FDGETCHANGE (FDIOC|54) /* Get diskchng stat */ 195 #define FDGETDRIVECHAR (FDIOC|55) /* Get drivechar */ 196 #define FDSETDRIVECHAR (FDIOC|56) /* Set drivechar */ 197 #define FDGETSEARCH (FDIOC|57) /* Get search tbl */ 198 #define FDSETSEARCH (FDIOC|58) /* Set search tbl */ 199 #define FDIOCMD (FDIOC|59) /* Floppy command */ 200 #define FDRAW (FDIOC|70) /* ECDstyle genericcmd */ 201 #define FDDEFGEOCHAR (FDIOC|86) /* restore default geometry */ 202 /* & characteristics */ 203 204 #ifdef __cplusplus 205 } 206 #endif 207 208 #endif /* _SYS_FDIO_H */ 209