scsi/impl/scsi_control.c

	scsi_control.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1996-2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

/*
 * Generic Abort, Reset and Misc Routines
 */

#include <sys/scsi/scsi.h>


#define A_TO_TRAN(ap)   (ap->a_hba_tran)

int
scsi_abort(struct scsi_address *ap, struct scsi_pkt *pkt)
{
    return (*A_TO_TRAN(ap)->tran_abort)(ap, pkt);
}

int
scsi_reset(struct scsi_address *ap, int level)
{
    ASSERT((level == RESET_LUN) || (level == RESET_TARGET) ||
        (level == RESET_ALL));
    if ((level == RESET_LUN) &&
        ((*A_TO_TRAN(ap)->tran_getcap)(ap, "lun-reset", 1) != 1)) {
        return (0);
    }
    return (*A_TO_TRAN(ap)->tran_reset)(ap, level);
}

int
scsi_reset_notify(struct scsi_address *ap, int flag,
    void (*callback)(caddr_t), caddr_t arg)
{
    if ((A_TO_TRAN(ap)->tran_reset_notify) == NULL) {
        return (DDI_FAILURE);
    }
    return (*A_TO_TRAN(ap)->tran_reset_notify)(ap, flag, callback, arg);
}

int
scsi_clear_task_set(struct scsi_address *ap)
{
    if ((A_TO_TRAN(ap)->tran_clear_task_set) == NULL) {
        return (-1);
    }
    return (*A_TO_TRAN(ap)->tran_clear_task_set)(ap);
}

int
scsi_terminate_task(struct scsi_address *ap, struct scsi_pkt *pkt)
{
    if ((A_TO_TRAN(ap)->tran_terminate_task) == NULL) {
        return (-1);
    }
    return (*A_TO_TRAN(ap)->tran_terminate_task)(ap, pkt);
}

/*
 * Other Misc Routines
 */

int
scsi_clear_aca(struct scsi_address *ap)
{
    if ((A_TO_TRAN(ap)->tran_clear_aca) == NULL) {
        return (-1);
    }
    return (*A_TO_TRAN(ap)->tran_clear_aca)(ap);
}