LCOM1920-T02G10

/*        $NetBSD: tape.h,v 1.3 2005/12/26 18:41:36 perry Exp $        */

/*-

 * Copyright (c) 2005 The NetBSD Foundation, Inc.

 * All rights reserved.

 *

 * This code is derived from software contributed to The NetBSD Foundation

 * by Brett Lymn

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Neither the name of The NetBSD Foundation nor the names of its

 *    contributors may be used to endorse or promote products derived

 *    from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS

 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS

 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

#ifndef _SYS_TAPE_H_

#define _SYS_TAPE_H_

#include <sys/queue.h>

#define        TAPENAMELEN        16

/* The following structure is 64-bit alignment safe */

struct tape_sysctl {

        char                name[TAPENAMELEN];

        int32_t                busy;

        int32_t                pad;

        uint64_t        xfer;

        uint64_t        bytes;

        uint32_t        attachtime_sec;

        uint32_t        attachtime_usec;

        uint32_t        timestamp_sec;

        uint32_t        timestamp_usec;

        uint32_t        time_sec;

        uint32_t        time_usec;

        uint64_t        rxfer;

        uint64_t        rbytes;

        uint64_t        wxfer;

        uint64_t        wbytes;

};

/*

 * Statistics for the tape device - in a separate structure so userland can

 * see them.

 */

struct tape {

        char                *name;                 /* name of drive */

        int                busy;                /* drive is busy */

        uint64_t       rxfer;                /* total number of read transfers */

        uint64_t       wxfer;                /* total number of write transfers */

        uint64_t       rbytes;                /* total bytes read */

        uint64_t       wbytes;                /* total bytes written */

        struct timeval  attachtime;        /* time tape was attached */

        struct timeval  timestamp;        /* timestamp of last unbusy */

        struct timeval  time;                /* total time spent busy */

        TAILQ_ENTRY(tape) link;

};

/* Head of the tape stats list, define here so userland can get at it */

TAILQ_HEAD(tapelist_head, tape);        /* the tapelist is a TAILQ */

#endif