usr/src/uts/common/sys/fdio.h

   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 */