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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_FDIO_H
#define _SYS_FDIO_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Floppy Disk Characteristic Structure
*/
struct fd_char {
uchar_t fdc_medium; /* medium type. */
int fdc_transfer_rate; /* transfer rate */
int fdc_ncyl; /* number of cylinders */
int fdc_nhead; /* number of heads */
int fdc_sec_size; /* sector size */
int fdc_secptrack; /* sectors per track */
int fdc_steps; /* number of steps per */
};
/*
* Floppy State Structure
*/
struct fd_state {
int fds_bsec; /* bytes per sector */
int fds_strack; /* sectors per track */
int fds_step; /* step rate */
int fds_rate; /* data rate */
int fds_error; /* error returned by controller */
};
/*
* Used by FDGETCHANGE, return state of the sense disk change bit.
*/
#define FDGC_HISTORY 0x01 /* disk has changed since last i/o */
#define FDGC_CURRENT 0x02 /* current state of disk change */
#define FDGC_CURWPROT 0x10 /* current state of write protect */
#define FDGC_DETECTED 0x20 /* previous state of DISK CHANGE */
/*
* Used by FD{G, S}ETDRIVECHAR
*/
struct fd_drive {
int fdd_ejectable; /* does the drive support eject? */
int fdd_maxsearch; /* size of per-unit search table */
int fdd_writeprecomp; /* cyl to start write prcompensation */
int fdd_writereduce; /* cyl to start recucing write current */
int fdd_stepwidth; /* width of step pulse in 1 us units */
int fdd_steprate; /* step rate in 100 us units */
int fdd_headsettle; /* delay, in 100 us units */
int fdd_headload; /* delay, in 100 us units */
int fdd_headunload; /* delay, in 100 us units */
int fdd_motoron; /* delay, in 100 ms units */
int fdd_motoroff; /* delay, in 100 ms units */
int fdd_precomplevel; /* bit shift, in nano-secs */
int fdd_pins; /* defines meaning of pin 1, 2, 4, and 34 */
int fdd_flags; /* TRUE READY, Starting Sector #, & Motor On */
};
/*
* fdd_flags:
*/
#define FDD_READY 0x1
#define FDD_MOTON 0x2
#define FDD_POLLABLE 0x4
/*
* Used by FD{G, S}ETSEARCH
*/
struct fd_search {
int fds_numentries; /* number of elements in the table */
struct fd_char *fds_search;
};
/*
* Used by FDIOCMD
*/
struct fd_cmd {
ushort_t fdc_cmd; /* command to be executed */
int fdc_flags; /* execution flags */
daddr_t fdc_blkno; /* disk address for command */
int fdc_secnt; /* sector count for command */
caddr_t fdc_bufaddr; /* user's buffer address */
uint_t fdc_buflen; /* size of user's buffer */
};
#if defined(_SYSCALL32)
struct fd_cmd32 {
ushort_t fdc_cmd; /* command to be executed */
int fdc_flags; /* execution flags */
daddr32_t fdc_blkno; /* disk address for command */
int fdc_secnt; /* sector count for command */
caddr32_t fdc_bufaddr; /* user's buffer address */
uint_t fdc_buflen; /* size of user's buffer */
};
#endif /* _SYSCALL32 */
/*
* Floppy commands
*/
#define FDCMD_WRITE 1
#define FDCMD_READ 2
#define FDCMD_SEEK 3
#define FDCMD_REZERO 4
#define FDCMD_FORMAT_UNIT 5
#define FDCMD_FORMAT_TRACK 6
/*
* Execution flags.
*/
#define FD_SILENT 0x01 /* no error messages */
#define FD_DIAGNOSE 0x02 /* fail if any error occurs */
#define FD_ISOLATE 0x04 /* isolate from normal commands */
#define FD_READ 0x08 /* read from device */
#define FD_WRITE 0x10 /* write to device */
/*
* Used by FDRAW
*/
struct fd_raw {
char fdr_cmd[10]; /* user-supplied command bytes */
short fdr_cnum; /* number of command bytes */
char fdr_result[10]; /* controller-supplied result bytes */
ushort_t fdr_nbytes; /* number to transfer if read/write command */
caddr_t fdr_addr; /* where to transfer if read/write command */
};
#ifdef _SYSCALL32
struct fd_raw32 {
char fdr_cmd[10]; /* user-supplied command bytes */
short fdr_cnum; /* number of command bytes */
char fdr_result[10]; /* controller-supplied result bytes */
ushort_t fdr_nbytes; /* number to transfer if read/write command */
caddr32_t fdr_addr; /* where to transfer if read/write command */
};
#endif /* _SYSCALL32 */
/*
* Floppy raw commands
*/
#define FDRAW_SPECIFY 0x03
#define FDRAW_READID 0x0a
#define FDRAW_SENSE_DRV 0x04
#define FDRAW_REZERO 0x07
#define FDRAW_SEEK 0x0f
#define FDRAW_SENSE_INT 0x08
#define FDRAW_FORMAT 0x0d
#define FDRAW_READTRACK 0x02
#define FDRAW_WRCMD 0x05
#define FDRAW_RDCMD 0x06
#define FDRAW_WRITEDEL 0x09
#define FDRAW_READDEL 0x0c
/*
* Disk io control commands
*/
#define FDIOC (0x04 << 8)
#define FDIOGCHAR (FDIOC|51) /* GetCharacteristics */
#define FDIOSCHAR (FDIOC|52) /* SetCharacteristics */
#define FDEJECT (FDIOC|53) /* Eject floppy disk */
#define FDGETCHANGE (FDIOC|54) /* Get diskchng stat */
#define FDGETDRIVECHAR (FDIOC|55) /* Get drivechar */
#define FDSETDRIVECHAR (FDIOC|56) /* Set drivechar */
#define FDGETSEARCH (FDIOC|57) /* Get search tbl */
#define FDSETSEARCH (FDIOC|58) /* Set search tbl */
#define FDIOCMD (FDIOC|59) /* Floppy command */
#define FDRAW (FDIOC|70) /* ECDstyle genericcmd */
#define FDDEFGEOCHAR (FDIOC|86) /* restore default geometry */
/* & characteristics */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_FDIO_H */
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