* Copyright (c) 1982, 1990 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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
* @(#)ctreg.h 7.1 (Berkeley) 5/8/90
u_int d_iuw
:16, /* controller: installed unit word */
d_cmaxxfr
:16, /* controller: max transfer rate (Kb) */
d_ctype
:8, /* controller: controller type */
d_utype
:8, /* unit: unit type */
d_name
:24, /* unit: name (6 BCD digits) */
d_sectsize
:16, /* unit: # of bytes per block (sector) */
d_blkbuf
:8, /* unit: # of blocks which can be buffered */
d_burstsize
:8, /* unit: recommended burst size */
d_blocktime
:16, /* unit: block time (u-sec) */
d_uavexfr
:16, /* unit: average transfer rate (Kb) */
d_retry
:16, /* unit: optimal retry time (1/100-sec) */
d_access
:16, /* unit: access time param (1/100-sec) */
d_maxint
:8, /* unit: maximum interleave */
d_fvbyte
:8, /* unit: fixed volume byte */
d_rvbyte
:8, /* unit: removeable volume byte */
d_maxcyl
:24, /* volume: maximum cylinder */
d_maxhead
:8, /* volume: maximum head */
d_maxsect
:16, /* volume: maximum sector on track */
d_maxvsecth
:16, /* volume: maximum sector on volume (MSW) */
d_maxvsectl
:32, /* volume: maximum sector on volume (LSWs) */
d_interleave
:8; /* volume: current interleave */
/* convert bytes to 1k tape block and back */
#define CTBTOK(x) ((x) >> 10)
#define CTKTOB(x) ((x) << 10)
#define C_SUNIT(x) (0x20 | (x))
#define C_SVOL(x) (0x40 | (x))