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 7.1 (Berkeley) %G%
 */

/*
 * UNIBUS peripheral standalone
 * driver: drive type mapping routine.
 */

#include "../h/param.h"
#include "../h/inode.h"
#include "../h/fs.h"
#include "../h/dkbad.h"
#include "../h/vmmac.h"

#include "../vax/pte.h"
#include "../vaxuba/upreg.h"
#include "../vaxuba/ubareg.h"

#include "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[8] =  { 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)
        int unit;
        register struct updevice *upaddr;
{
        register struct st *st;
        int type = -1;

        upaddr->upcs1 = 0;
        upaddr->upcs2 = unit % 8;
        upaddr->uphr = UPHR_MAXTRAK;
        for (st = upst; st->ntrak != 0; st++)
                if (upaddr->uphr == st->ntrak - 1) {
                        type = st - upst;
                        break;
                }
        if (st->ntrak == 0)
                printf("up%d: uphr=%x\n", unit, upaddr->uphr);
        if (type == 0) {
                upaddr->uphr = UPHR_MAXCYL;
                if (upaddr->uphr == 822)        /* CDC 9766 */
                        type++;
        }
        upaddr->upcs2 = UPCS2_CLR;
        return (type);
}