/*      $NetBSD: rdvar.h,v 1.27 2022/11/23 18:55:06 tsutsui Exp $       */

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1982, 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * 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.
 * 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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
 *
 * from: Utah $Hdr: rdvar.h 1.1 92/12/21$
 *
 *      @(#)rdvar.h     8.1 (Berkeley) 6/10/93
 */

#include <sys/callout.h>
#include <sys/rndsource.h>

struct  rdidentinfo {
        uint16_t ri_hwid;               /* 2 byte HW id */
        const char *ri_desc;            /* drive type description */
        int     ri_nbpt;                /* DEV_BSIZE blocks per track */
        int     ri_ntpc;                /* tracks per cylinder */
        int     ri_ncyl;                /* cylinders per unit */
        int     ri_nblocks;             /* DEV_BSIZE blocks on disk */
};

struct rdstats {
        long    rdretries;
        long    rdresets;
        long    rdtimeouts;
        long    rdpolltries;
        long    rdpollwaits;
};

struct  rd_softc {
        device_t sc_dev;
        struct  disk sc_dkdev;
        struct  callout sc_restart_ch;
        int     sc_slave;               /* HP-IB slave */
        int     sc_punit;               /* physical unit on slave */
        int     sc_flags;
        short   sc_type;
        char    *sc_addr;
        int     sc_resid;
        struct  hpibqueue sc_hq;        /* hpib job queue entry */
        struct  rd_iocmd sc_ioc;
        struct  rd_rscmd sc_rsc;
        struct  rd_stat sc_stat;
        struct  bufq_state *sc_tab;
        int     sc_active;
        int     sc_errcnt;
        struct  rdstats sc_stats;
        krndsource_t rnd_source;
};

/* sc_flags values */
#define RDF_ALIVE       0x01
#define RDF_SEEK        0x02
#define RDF_SWAIT       0x04
#define RDF_OPENING     0x08
#define RDF_CLOSING     0x10
#define RDF_WANTED      0x20
#define RDF_WLABEL      0x40

#define rdunit(x)       ((int)(minor(x) >> 3))
#define rdpart(x)       ((int)(minor(x) & 0x7))
#define rdpunit(x)      ((x) & 7)
#define rdlabdev(d)     (dev_t)(((int)(d)&~7)|2)        /* rd?c */

#define RDRETRY         5
#define RDWAITC         1       /* min time for timeout in seconds */