InterCD 2000 September/september_2000.iso/intercd/root/^Linux/cdrtools-1.10/cdrecord/scsi_scan.c

C/C++ Source or Header | 2000-07-30 | 4.4 KB | 194 lines

/* @(#)scsi_scan.c    1.9 00/07/30 Copyright 1997 J. Schilling */
#ifndef lint
static    char sccsid[] =
    "@(#)scsi_scan.c    1.9 00/07/30 Copyright 1997 J. Schilling";
#endif
/*
 *    Scan SCSI Bus.
 *    Stolen from sformat. Need a more general form to
 *    re-use it in sformat too.
 *
 *    Copyright (c) 1997 J. Schilling
 */
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <stdxlib.h>
#include <standard.h>
#include <btorder.h>
#include <errno.h>
#include <schily.h>

#include <scg/scgcmd.h>
#include <scg/scsidefs.h>
#include <scg/scsireg.h>
#include <scg/scsitransp.h>

#include "scsi_scan.h"
#include "cdrecord.h"

LOCAL    void    print_product        __PR((struct scsi_inquiry *ip));
EXPORT    void    select_target        __PR((SCSI *scgp));
LOCAL    void    select_unit        __PR((SCSI *scgp));

LOCAL void
print_product(ip)
    struct    scsi_inquiry *ip;
{
    printf("'%.8s' ", ip->info);
    printf("'%.16s' ", ip->ident);
    printf("'%.4s' ", ip->revision);
    if (ip->add_len < 31) {
        printf("NON CCS ");
    }
    scg_printdev(ip);
}

EXPORT void
select_target(scgp)
    SCSI    *scgp;
{
    int    initiator;
    int    cscsibus = scgp->scsibus;
    int    ctarget =  scgp->target;
    int    clun    =  scgp->lun;
    int    n;
    int    low    = -1;
    int    high    = -1;
    BOOL    have_tgt;

    scgp->silent++;

    for (scgp->scsibus=0; scgp->scsibus < 16; scgp->scsibus++) {
        if (!scg_havebus(scgp, scgp->scsibus))
            continue;

        initiator = scg_initiator_id(scgp);
        printf("scsibus%d:\n", scgp->scsibus);

        for (scgp->target=0, scgp->lun=0; scgp->target < 16; scgp->target++) {
            n = scgp->scsibus*100 + scgp->target;

            have_tgt = unit_ready(scgp) || scgp->scmd->error != SCG_FATAL;


            if (!have_tgt && scgp->target > 7) {
                if (scgp->scmd->ux_errno == EINVAL)
                    break;
/*                if ((high%100) < 8)*/
                continue;
            }

/*            if (print_disknames(scgp->scsibus, scgp->target, -1) < 8)*/
/*                printf("\t");*/
            printf("\t");
            if (printf("%d,%d,%d", scgp->scsibus, scgp->target, scgp->lun) < 8)
                printf("\t");
            else
                printf(" ");
            printf("%3d) ", n);
            if (scgp->target == initiator) {
                printf("HOST ADAPTOR\n");
                continue;
            }
            if (!have_tgt) {
                printf("*\n");
                continue;
            }
            if (low < 0)
                low = n;
            high = n;

            getdev(scgp, FALSE);
            print_product(scgp->inq);
        }
    }
    scgp->silent--;

    if (low < 0)
        comerrno(EX_BAD, "No target found.\n");
    n = -1;
/*    getint("Select target", &n, low, high); */
exit(0);
    scgp->scsibus = n/10;
    scgp->target = n%10;
    select_unit(scgp);

    scgp->scsibus    = cscsibus;
    scgp->target    = ctarget;
    scgp->lun    = clun;
}

LOCAL void
select_unit(scgp)
    SCSI    *scgp;
{
    int    initiator;
    int    clun    = scgp->lun;
    int    low    = -1;
    int    high    = -1;

    scgp->silent++;

    printf("scsibus%d target %d:\n", scgp->scsibus, scgp->target);

    initiator = scg_initiator_id(scgp);
    for (scgp->lun=0; scgp->lun < 8; scgp->lun++) {

/*        if (print_disknames(scgp->scsibus, scgp->target, scgp->lun) < 8)*/
/*            printf("\t");*/

        printf("\t");
        if (printf("%d,%d,%d", scgp->scsibus, scgp->target, scgp->lun) < 8)
            printf("\t");
        else
            printf(" ");
        printf("%3d) ", scgp->lun);
        if (scgp->target == initiator) {
            printf("HOST ADAPTOR\n");
            continue;
        }
        if (!unit_ready(scgp) && scgp->scmd->error == SCG_FATAL) {
            printf("*\n");
            continue;
        }
        if (unit_ready(scgp)) {
            /* non extended sense illegal lun */
            if (scgp->scmd->sense.code == 0x25) {
                printf("BAD UNIT\n");
                continue;
            }
        }
        if (low < 0)
            low = scgp->lun;
        high = scgp->lun;

        getdev(scgp, FALSE);
        print_product(scgp->inq);
    }
    scgp->silent--;

    if (low < 0)
        comerrno(EX_BAD, "No lun found.\n");
    scgp->lun = -1;
/*    getint("Select lun", &scgp->lun, low, high); */
exit(0);
/*    format_one();*/

    scgp->lun    = clun;
}