109 lines
3.6 KiB
C
109 lines
3.6 KiB
C
/* $NetBSD: rdvar.h,v 1.8 2000/01/21 23:29:03 thorpej Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1982, 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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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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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: Utah $Hdr: rdvar.h 1.1 92/12/21$
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*
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* @(#)rdvar.h 8.1 (Berkeley) 6/10/93
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*/
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struct rdidentinfo {
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short ri_hwid; /* 2 byte HW id */
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short ri_maxunum; /* maximum allowed unit number */
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char *ri_desc; /* drive type description */
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int ri_nbpt; /* DEV_BSIZE blocks per track */
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int ri_ntpc; /* tracks per cylinder */
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int ri_ncyl; /* cylinders per unit */
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int ri_nblocks; /* DEV_BSIZE blocks on disk */
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};
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struct rdstats {
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long rdretries;
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long rdresets;
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long rdtimeouts;
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long rdpolltries;
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long rdpollwaits;
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};
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struct rd_softc {
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struct device sc_dev;
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struct disk sc_dkdev;
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int sc_slave; /* HP-IB slave */
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int sc_punit; /* physical unit on slave */
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int sc_flags;
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short sc_type;
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char *sc_addr;
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int sc_resid;
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struct rd_describe sc_rddesc;
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struct hpibqueue sc_hq; /* hpib job queue entry */
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struct rd_iocmd sc_ioc;
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struct rd_rscmd sc_rsc;
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struct rd_stat sc_stat;
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struct rd_ssmcmd sc_ssmc;
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struct rd_srcmd sc_src;
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struct rd_clearcmd sc_clear;
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struct buf_queue sc_tab;
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int sc_active;
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int sc_errcnt;
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struct rdstats sc_stats;
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};
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/* sc_flags values */
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#define RDF_ALIVE 0x01
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#define RDF_SEEK 0x02
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#define RDF_SWAIT 0x04
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#define RDF_OPENING 0x08
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#define RDF_CLOSING 0x10
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#define RDF_WANTED 0x20
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#define RDF_WLABEL 0x40
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#define rdunit(x) (minor(x) >> 3)
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#define rdpart(x) (minor(x) & 0x7)
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#define rdpunit(x) ((x) & 7)
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#define rdlabdev(d) (dev_t)(((int)(d)&~7)|2) /* rd?c */
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#define RDRETRY 5
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#define RDWAITC 1 /* min time for timeout in seconds */
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#ifdef _KERNEL
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extern struct rdidentinfo rdidentinfo[];
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/* rd_subr.c */
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void rdmakedisklabel __P((int, struct disklabel *));
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#endif
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