NetBSD/sys/arch/hp300/dev/rdvar.h

106 lines
3.6 KiB
C

/* $NetBSD: rdvar.h,v 1.6 1997/01/30 09:14:19 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
*
* from: Utah $Hdr: rdvar.h 1.1 92/12/21$
*
* @(#)rdvar.h 8.1 (Berkeley) 6/10/93
*/
struct rdidentinfo {
short ri_hwid; /* 2 byte HW id */
short ri_maxunum; /* maximum allowed unit number */
char *ri_desc; /* drive type description */
int ri_nbpt; /* DEV_BSIZE blocks per track */
int ri_ntpc; /* tracks per cylinder */
int ri_ncyl; /* cylinders per unit */
int ri_nblocks; /* DEV_BSIZE blocks on disk */
};
struct rdstats {
long rdretries;
long rdresets;
long rdtimeouts;
long rdpolltries;
long rdpollwaits;
};
struct rd_softc {
struct device sc_dev;
struct disk sc_dkdev;
int sc_slave; /* HP-IB slave */
int sc_punit; /* physical unit on slave */
int sc_flags;
short sc_type;
char *sc_addr;
int sc_resid;
struct rd_describe sc_rddesc;
struct hpibqueue sc_hq; /* hpib job queue entry */
struct rd_iocmd sc_ioc;
struct rd_rscmd sc_rsc;
struct rd_stat sc_stat;
struct rd_ssmcmd sc_ssmc;
struct rd_srcmd sc_src;
struct rd_clearcmd sc_clear;
struct buf sc_tab; /* buffer queue */
struct rdstats sc_stats;
};
/* sc_flags values */
#define RDF_ALIVE 0x01
#define RDF_SEEK 0x02
#define RDF_SWAIT 0x04
#define RDF_OPENING 0x08
#define RDF_CLOSING 0x10
#define RDF_WANTED 0x20
#define RDF_WLABEL 0x40
#define rdunit(x) (minor(x) >> 3)
#define rdpart(x) (minor(x) & 0x7)
#define rdpunit(x) ((x) & 7)
#define rdlabdev(d) (dev_t)(((int)(d)&~7)|2) /* rd?c */
#define b_cylin b_resid
#define RDRETRY 5
#define RDWAITC 1 /* min time for timeout in seconds */
#ifdef _KERNEL
extern struct rdidentinfo rdidentinfo[];
#endif