usr/src/sys/vax/stand/upmaptype.c

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *      @(#)upmaptype.c 7.6 (Berkeley) 12/16/90
 */

/*
 * UNIBUS peripheral standalone
 * driver: drive type mapping routine.
 */
#ifdef COMPAT_42
#include "sys/param.h"
#include "sys/dkbad.h"
#include "sys/disklabel.h"
#include "sys/vmmac.h"

#include "../include/pte.h"
#include "../uba/upreg.h"
#include "../uba/ubareg.h"

#include "stand/saio.h"
#include "savax.h"

static short    up9300_off[] = { 0,  27,  0,  -1,  -1,  -1, 562, 82 };
static short    fj_off[]     = { 0,  50,  0,  -1,  -1,  -1, 155, -1 };
static short    upam_off[]   = { 0,  32,  0, 668, 723, 778, 668, 98 };
static short    up980_off[]  = { 0, 100,  0,  -1,  -1,  -1, 309, -1 };
static short    eagle_off[]  = { 0,  17,  0, 391, 408, 728, 391, 87 };

struct st upst[] = {
        32,     19,     32*19,  815,    up9300_off,     /* 9300 */
        32,     19,     32*19,  823,    up9300_off,     /* 9766 */
        32,     10,     32*10,  823,    fj_off,         /* Fuji 160 */
        32,     16,     32*16,  1024,   upam_off,       /* Capricorn */
        32,     5,      32*5,   823,    up980_off,      /* DM980 */
        48,     20,     48*20,  842,    eagle_off,      /* Fuji Eagle */
        0,      0,      0,      0,      0,
};

upmaptype(unit, upaddr, lp)
        int unit;
        register struct updevice *upaddr;
        register struct disklabel *lp;
{
        register struct st *st;
        register int i;
        int type = -1;

        upaddr->upcs1 = 0;
        upaddr->upcs2 = unit % 8;
        upaddr->uphr = UPHR_MAXTRAK;
        for (st = upst;; ++st) {
                if (!st->ntrak)
                        return(0);
                if (upaddr->uphr == st->ntrak - 1) {
                        type = st - upst;
                        break;
                }
        }
        if (type == 0) {
                upaddr->uphr = UPHR_MAXCYL;
                if (upaddr->uphr == 822)        /* CDC 9766 */
                        ++type;
        }
        upaddr->upcs2 = UPCS2_CLR;
        st = &upst[type];

        /* set up a minimal disk label */
        lp->d_nsectors = st->nsect;
        lp->d_ntracks = st->ntrak;
        lp->d_secpercyl = st->nspc;
        lp->d_ncylinders = st->ncyl;
        lp->d_secperunit = st->nspc * st->ncyl;
        lp->d_npartitions = 8;
        for (i = 0; i < 8; i++)
                if (st->off[i] == -1)
                        lp->d_partitions[i].p_size = 0;
                else {
                        lp->d_partitions[i].p_offset = st->off[i] *
                            lp->d_secpercyl;
                        lp->d_partitions[i].p_size = lp->d_secperunit;
                }
        return(1);
}
#endif /* COMPAT_42 */