tlm_init.c revision 2654012f83cec5dc15b61dfe3e4a4915f186e7a6
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Use is subject to license terms.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * BSD 3 Clause License
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Copyright (c) 2007, The Storage Networking Industry Association.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Redistribution and use in source and binary forms, with or without
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * modification, are permitted provided that the following conditions
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * are met:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * - Redistributions of source code must retain the above copyright
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * notice, this list of conditions and the following disclaimer.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * - Redistributions in binary form must reproduce the above copyright
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * notice, this list of conditions and the following disclaimer in
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * the documentation and/or other materials provided with the
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * distribution.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * - Neither the name of The Storage Networking Industry Association (SNIA)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * nor the names of its contributors may be used to endorse or promote
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * products derived from this software without specific prior written
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * permission.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * POSSIBILITY OF SUCH DAMAGE.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <sys/errno.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <sys/types.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <stdlib.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <unistd.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <sys/scsi/impl/uscsi.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <sys/scsi/scsi.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <tlm.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <pthread.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include "tlm_proto.h"
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * generic routine to read a SCSI page
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarread_scsi_page(scsi_link_t *slink, union scsi_cdb *cdb,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int command_size, caddr_t data, int size)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar struct uscsi_cmd uscsi_cmd;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar char *dname;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int dev;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (slink == 0 || slink->sl_sa == 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (EINVAL);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) memset(&uscsi_cmd, 0, sizeof (uscsi_cmd));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* Lun is in the 5th bit */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar cdb->scc_lun = slink->sl_lun;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_flags |= USCSI_READ | USCSI_ISOLATE;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_bufaddr = data;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_buflen = size;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_timeout = 1000;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_cdb = (char *)cdb;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (cdb->scc_cmd == SCMD_READ_ELEMENT_STATUS) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_flags |= USCSI_RQENABLE;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_rqbuf = data;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_rqlen = size;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar uscsi_cmd.uscsi_cdblen = command_size;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dname = sasd_slink_name(slink);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dev = open(dname, O_RDWR | O_NDELAY);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (dev == -1) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "Open failed for %s err=%d",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dname, errno);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (errno);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (tlm_ioctl(dev, USCSICMD, &uscsi_cmd) < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "SCSI cmd %d failed for %s err=%d",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar cdb->scc_cmd, dname, errno);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) close(dev);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (errno);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) close(dev);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (uscsi_cmd.uscsi_status);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Read the Inquiry Page.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarread_inquiry_page(scsi_link_t *slink, struct scsi_inquiry *inq)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar union scsi_cdb cdb;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) memset(&cdb, 0, sizeof (union scsi_cdb));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar cdb.scc_cmd = SCMD_INQUIRY;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar cdb.g0_count0 = sizeof (struct scsi_inquiry);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (read_scsi_page(slink, &cdb, CDB_GROUP0,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (caddr_t)inq, sizeof (*inq)) ? -1 : 0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Add the tape library call back function (used while scanning the bus)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdaradd_lib(scsi_link_t *slink, struct scsi_inquiry *sd, void *arg)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int l;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int *nlp; /* pointer to library counter */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sasd_drive_t *ssd;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!slink || !sd) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "Invalid argument %x %x %x",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar slink, sd, arg);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (-TLM_INVALID);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (sd->inq_dtype == DTYPE_CHANGER) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* This is a robot, which means this is also a library */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar nlp = (int *)arg;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (*nlp)++;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar l = tlm_insert_new_library(slink);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_enable_barcode(l);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "lib %d sid %d lun %d",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar l, slink->sl_sid, slink->sl_lun);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((ssd = sasd_slink_drive(slink)) != NULL) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) strlcpy(ssd->sd_vendor, sd->inq_vid,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sizeof (ssd->sd_vendor));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) strlcpy(ssd->sd_id, sd->inq_pid,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sizeof (ssd->sd_id));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) strlcpy(ssd->sd_rev, sd->inq_revision,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sizeof (ssd->sd_rev));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (TLM_NO_ERRORS);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Create some virutal slots
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarmake_virtual_slot(int l, tlm_drive_t *dp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int s;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_slot_t *sp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (l <= 0 || !dp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "Invalid argument %d, %x", l, dp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (-TLM_INVALID);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((s = tlm_insert_new_slot(l)) <= 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (-TLM_NO_MEMORY);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!(sp = tlm_slot(l, s))) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "Internal error: slot not found %d", s);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (-TLM_ERROR_INTERNAL);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * For virtual slots element number is 0 and they are always full.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sp->ts_element = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sp->ts_status_full = TRUE;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (TLM_NO_ERRORS);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Make the tape drive not part of a tape library (stand alone)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarmake_stand_alone_drive(scsi_link_t *slink, int l)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int d;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_drive_t *dp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!slink || l <= 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "Invalid argument %x %d", slink, l);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (-TLM_INVALID);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar d = tlm_insert_new_drive(l);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!(dp = tlm_drive(l, d))) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "Internal error: drive not found %d", d);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (-TLM_ERROR_INTERNAL);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* For stand-alone drives, the element number is the drive number. */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dp->td_element = d;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dp->td_slink = slink;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dp->td_scsi_id = slink->sl_sid;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dp->td_lun = slink->sl_lun;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dp->td_exists = TRUE;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Note: There is no way to remove library elements. We cannot clean
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * up if make_virtual_slot() fails.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) make_virtual_slot(l, dp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (d);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Find the LIBRARY structure that has control of this DRIVE.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarnew_drive(scsi_link_t *slink, int *lib)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int d;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_drive_t *dp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_library_t *lp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* Walk through all libraries. */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (*lib = 1; *lib <= tlm_library_count(); (*lib)++) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!(lp = tlm_library(*lib)))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* Walk through drives that are already found. */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (d = 1; d <= lp->tl_drive_count; d++) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!(dp = tlm_drive(*lib, d)))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (dp->td_scsi_id == slink->sl_sid &&
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dp->td_lun == slink->sl_lun)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (d);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* Not part of any library, this is a newly found tape drive. */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Add the tape library call back function (used while scanning the bus)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdaradd_drv(scsi_link_t *slink, struct scsi_inquiry *sd, void *arg)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int l, d;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int *vlp; /* pointer to virtual library number */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sasd_drive_t *ssd;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_library_t *library;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_drive_t *drive;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!slink || !sd) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "Invalid argument %x %x %x",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar slink, sd, arg);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (-TLM_INVALID);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (sd->inq_dtype == DTYPE_SEQUENTIAL) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar vlp = (int *)arg;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar d = new_drive(slink, &l);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (d == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* This tape drive was not found inside any robot. */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (*vlp == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * First, create a virtual library if it's not
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * done yet.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *vlp = tlm_insert_new_library(slink);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((library = tlm_library(*vlp)) != NULL)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar library->tl_capability_robot = FALSE;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((d = make_stand_alone_drive(slink, *vlp)) < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* sorry, we can not clean up the vlib now * */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (-TLM_INVALID);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar l = *vlp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "vlib(%d, %d) sid %d lun %d",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar l, d, slink->sl_sid, slink->sl_lun);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar } else
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "(%d, %d) sid %d lun %d",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar l, d, slink->sl_sid, slink->sl_lun);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((drive = tlm_drive(l, d)) != NULL) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar drive->td_exists = TRUE;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar drive->td_slink = slink;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((ssd = sasd_slink_drive(slink)) != NULL) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) strlcpy(ssd->sd_vendor,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sd->inq_vid, sizeof (ssd->sd_vendor));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) strlcpy(ssd->sd_id, sd->inq_pid,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sizeof (ssd->sd_id));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) strlcpy(ssd->sd_rev, sd->inq_revision,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar sizeof (ssd->sd_rev));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (TLM_NO_ERRORS);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Scan the specified bus and call the handler function.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarscan_bus(scsi_adapter_t *sa, int(*hndlr)(), void *args)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int nerr;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar scsi_link_t *slink;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar struct scsi_inquiry scsi_data;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar nerr = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar slink = sa->sa_link_head.sl_next;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (; slink != &sa->sa_link_head; slink = slink->sl_next) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) memset(&scsi_data, 0, sizeof (struct scsi_inquiry));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (read_inquiry_page(slink, &scsi_data) == -1)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar nerr++;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar else
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((*hndlr)(slink, &scsi_data, args) != TLM_NO_ERRORS)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar nerr++;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (nerr);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Marks the library/slots inaccessible if there are not enough drives
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * available on the library
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic void
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarinaccbl_drv_warn(int start, int max)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar char *dname;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int l, d;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_library_t *lp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (l = start; l < max; l++) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!(lp = tlm_library(l)))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (lp->tl_drive_count <= 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar "Warning: The following drives are not accessible:");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (d = 1; d <= lp->tl_drive_count; d++)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!(dname = tlm_get_tape_name(l, d))) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar "Error getting drive(%d, %d)", l, d);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar } else
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "%s", dname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Note: Make the slots inaccessible to prevent running
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * discovery on these libraries. The better idea is
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * removing these libraries, but we don't have that
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * feature available now.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar lp->tl_slot_count = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Initialize the tape library data structure, asks the libraries what
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * equipments they have.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdartlm_init(void)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar static int nlibs; /* number of found libraries */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int i, nsa;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int l, vlibs, d;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar int rv;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar scsi_adapter_t *sa;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_library_t *lp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar tlm_drive_t *dp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* Search through all SCSI adapters, look for tape robots. */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar nlibs = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * We probe both changers and tape drives here
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * but later on this needs to be removed as the
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * probe will happen somewhere else.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) probe_scsi();
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar nsa = scsi_get_adapter_count();
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (i = 0; i < nsa; i++)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((sa = scsi_get_adapter(i)))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) scan_bus(sa, add_lib, (void *)&nlibs);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "nlibs %d", nlibs);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /* Search through all SCSI adapters, look for tape drives. */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar vlibs = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (i = 0; i < nsa; i++)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if ((sa = scsi_get_adapter(i)))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar (void) scan_bus(sa, add_drv, (void *)&vlibs);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "vlibs %d", vlibs);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (nlibs > 0 && vlibs > 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar inaccbl_drv_warn(nlibs + 1, vlibs + nlibs + 1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (l = 1; l <= tlm_library_count(); l++) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (!(lp = tlm_library(l))) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "can't find lib %d", l);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Make sure all libraries have tape drives.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (lp->tl_drive_count == 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Make sure all tape drives exist. A drive that is not
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * linked into the SCSI chain will be seen by the library
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * but we cannot talk to it.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar for (d = 1; d <= lp->tl_drive_count; d++) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar dp = tlm_drive(l, d);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (dp && !dp->td_exists) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar NDMP_LOG(LOG_DEBUG, "Ghost drive found %d.%d",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar l, d);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar lp->tl_ghost_drives = TRUE;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar if (nlibs > 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar rv = (vlibs > 0) ? 0 : nlibs;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar else
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar rv = vlibs;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar return (rv);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}