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/* $NetBSD: sdvar.h,v 1.4 1996/01/07 22:02:21 thorpej Exp $ */
/*
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Van Jacobson of Lawrence Berkeley Laboratory.
*
* 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. 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
* SUCH DAMAGE.
*
* @(#)sdvar.h 8.1 (Berkeley) 6/10/93
*/
struct sd_softc {
struct hp_device *sc_hd;
struct disk sc_dkdev;
char sc_xname[8];
struct devqueue sc_dq;
int sc_format_pid; /* process using "format" mode */
short sc_flags;
short sc_type; /* drive type */
short sc_punit; /* physical unit (scsi lun) */
u_short sc_bshift; /* convert device blocks to DEV_BSIZE blks */
u_int sc_blks; /* number of blocks on device */
int sc_blksize; /* device block size in bytes */
u_int sc_heads; /* number of heads (tracks) */
u_int sc_cyls; /* number of cylinders */
u_int sc_wpms; /* average xfer rate in 16 bit wds/sec. */
};
/* sc_flags values */
#define SDF_ALIVE 0x01
#define SDF_OPENING 0x02
#define SDF_CLOSING 0x04
#define SDF_WANTED 0x08
#define SDF_WLABEL 0x10
#define SDF_RMEDIA 0x20
#define SDF_ERROR 0x40
struct sdstats {
long sdresets;
long sdtransfers;
long sdpartials;
};
#define sdunit(x) (minor(x) >> 3)
#define sdpart(x) (minor(x) & 0x7)
#define sdpunit(x) ((x) & 7)
#define sdlabdev(d) (dev_t)(((int)(d)&~7)|2) /* sd?c */
#define b_cylin b_resid
#define SDRETRY 2
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