xref: /netbsd-src/sys/arch/hp300/dev/rdvar.h (revision 76dfffe33547c37f8bdd446e3e4ab0f3c16cea4b)
1 /*	$NetBSD: rdvar.h,v 1.5 1996/06/06 16:17:42 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1982, 1990, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  * from: Utah $Hdr: rdvar.h 1.1 92/12/21$
41  *
42  *	@(#)rdvar.h	8.1 (Berkeley) 6/10/93
43  */
44 
45 struct	rdidentinfo {
46 	short	ri_hwid;		/* 2 byte HW id */
47 	short	ri_maxunum;		/* maximum allowed unit number */
48 	char	*ri_desc;		/* drive type description */
49 	int	ri_nbpt;		/* DEV_BSIZE blocks per track */
50 	int	ri_ntpc;		/* tracks per cylinder */
51 	int	ri_ncyl;		/* cylinders per unit */
52 	int	ri_nblocks;		/* DEV_BSIZE blocks on disk */
53 };
54 
55 struct	rd_softc {
56 	struct	hp_device *sc_hd;
57 	struct	disk sc_dkdev;
58 	char	sc_xname[8];
59 	int	sc_flags;
60 	short	sc_type;
61 	short	sc_punit;
62 	char	*sc_addr;
63 	int	sc_resid;
64 	struct	rd_describe sc_rddesc;
65 	struct	devqueue sc_dq;
66 	struct	rd_iocmd sc_ioc;
67 	struct	rd_rscmd sc_rsc;
68 	struct	rd_stat sc_stat;
69 	struct	rd_ssmcmd sc_ssmc;
70 	struct	rd_srcmd sc_src;
71 	struct	rd_clearcmd sc_clear;
72 };
73 
74 /* sc_flags values */
75 #define	RDF_ALIVE	0x01
76 #define	RDF_SEEK	0x02
77 #define RDF_SWAIT	0x04
78 #define RDF_OPENING	0x08
79 #define RDF_CLOSING	0x10
80 #define RDF_WANTED	0x20
81 #define RDF_WLABEL	0x40
82 
83 struct rdstats {
84 	long	rdretries;
85 	long	rdresets;
86 	long	rdtimeouts;
87 	long	rdpolltries;
88 	long	rdpollwaits;
89 };
90 
91 #define	rdunit(x)	(minor(x) >> 3)
92 #define rdpart(x)	(minor(x) & 0x7)
93 #define	rdpunit(x)	((x) & 7)
94 #define rdlabdev(d)	(dev_t)(((int)(d)&~7)|2)	/* rd?c */
95 
96 #define	b_cylin		b_resid
97 
98 #define	RDRETRY		5
99 #define RDWAITC		1	/* min time for timeout in seconds */
100 
101 #ifdef _KERNEL
102 extern	struct rdidentinfo rdidentinfo[];
103 extern	struct rd_softc rd_softc[];
104 #endif
105