xref: /dragonfly/sys/dev/disk/nata/atapi-fd.h (revision 2458a87a)

/*-
 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer,
 *    without modification, immediately at the beginning of the file.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: src/sys/dev/ata/atapi-fd.h,v 1.26 2006/03/05 20:30:54 sos Exp $
 */

#include <sys/param.h>
#include <sys/devicestat.h>
#include <sys/disk.h>

/* ATAPI Rewriteable drive Capabilities and Mechanical Status Page */
struct afd_capabilities {
    u_int16_t   data_length;
    u_int8_t    medium_type;
#define MFD_2DD_UN              0x10
#define MFD_2DD                 0x11
#define MFD_HD_UN               0x20
#define MFD_HD_12_98            0x22
#define MFD_HD_12               0x23
#define MFD_HD_144              0x24
#define MFD_UHD                 0x31

#define MFD_UNKNOWN             0x00
#define MFD_NO_DISC             0x70
#define MFD_DOOR_OPEN           0x71
#define MFD_FMT_ERROR           0x72

    u_int8_t    reserved0       :7;
    u_int8_t    wp              :1;             /* write protect */
    u_int8_t    unused[4];

    /* capabilities page */
    u_int8_t    page_code       :6;
#define ATAPI_REWRITEABLE_CAP_PAGE        0x05

    u_int8_t    reserved1_6     :1;
    u_int8_t    ps              :1;             /* page save supported */
    u_int8_t    page_length;                    /* page length */
    u_int16_t   transfer_rate;                  /* in kilobits per second */
    u_int8_t    heads;                          /* number of heads */
    u_int8_t    sectors;                        /* number of sectors pr track */
    u_int16_t   sector_size;                    /* number of bytes per sector */
    u_int16_t   cylinders;                      /* number of cylinders */
    u_int8_t    reserved10[10];
    u_int8_t    motor_delay;                    /* motor off delay */
    u_int8_t    reserved21[7];
    u_int16_t   rpm;                            /* rotations per minute */
    u_int8_t    reserved30[2];
};

struct afd_capacity {
    u_int32_t	capacity;
    u_int32_t	blocksize;
};

struct afd_capacity_big {
    u_int64_t	capacity;
    u_int32_t	blocksize;
};

struct afd_softc {
    u_int64_t		mediasize;
    u_int32_t		heads;
    u_int32_t		sectors;
    u_int32_t		sectorsize;
    struct devstat	stats;
    struct disk		disk;			/* virtual drives */
    cdev_t		cdev;			/* device placeholder */
};