84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
/*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Van Jacobson of Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)sdvar.h 8.1 (Berkeley) 6/10/93
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* $Id: sdvar.h,v 1.1 1994/05/23 06:01:35 mycroft Exp $
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*/
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struct sdinfo {
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struct disklabel si_label; /* label */
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int si_bopen; /* mask of open block devs */
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int si_copen; /* mask of open char devs */
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int si_open; /* composite mask of open devs */
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};
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struct sd_softc {
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struct hp_device *sc_hd;
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struct devqueue sc_dq;
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int sc_format_pid; /* process using "format" mode */
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short sc_flags;
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short sc_type; /* drive type */
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short sc_punit; /* physical unit (scsi lun) */
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u_short sc_bshift; /* convert device blocks to DEV_BSIZE blks */
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u_int sc_blks; /* number of blocks on device */
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int sc_blksize; /* device block size in bytes */
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u_int sc_wpms; /* average xfer rate in 16 bit wds/sec. */
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struct sdinfo sc_info; /* disklabel and related info */
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};
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/* sc_flags values */
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#define SDF_ALIVE 0x01
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#define SDF_OPENING 0x02
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#define SDF_CLOSING 0x04
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#define SDF_WANTED 0x08
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#define SDF_WLABEL 0x10
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#define SDF_RMEDIA 0x20
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#define SDF_ERROR 0x40
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struct sdstats {
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long sdresets;
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long sdtransfers;
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long sdpartials;
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};
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#define sdunit(x) (minor(x) >> 3)
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#define sdpart(x) (minor(x) & 0x7)
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#define sdpunit(x) ((x) & 7)
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#define sdlabdev(d) (dev_t)(((int)(d)&~7)|2) /* sd?c */
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#define b_cylin b_resid
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#define SDRETRY 2
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