xref: /netbsd-src/sys/arch/hp300/dev/rdvar.h (revision ae1bfcddc410612bc8c58b807e1830becb69a24c)
1 /*
2  * Copyright (c) 1988 University of Utah.
3  * Copyright (c) 1982, 1990, 1993
4  *	The Regents of the University of California.  All rights reserved.
5  *
6  * This code is derived from software contributed to Berkeley by
7  * the Systems Programming Group of the University of Utah Computer
8  * Science Department.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  * from: Utah $Hdr: rdvar.h 1.1 92/12/21$
39  *
40  *	from: @(#)rdvar.h	8.1 (Berkeley) 6/10/93
41  *	$Id: rdvar.h,v 1.1 1994/05/23 06:01:26 mycroft Exp $
42  */
43 
44 struct	rdidentinfo {
45 	short	ri_hwid;		/* 2 byte HW id */
46 	short	ri_maxunum;		/* maximum allowed unit number */
47 	char	*ri_desc;		/* drive type description */
48 	int	ri_nblocks;		/* DEV_BSIZE blocks on disk */
49 };
50 
51 struct	rdinfo {
52 	struct	disklabel ri_label;	/* label */
53 	int	ri_bopen;		/* mask of open block devs */
54 	int	ri_copen;		/* mask of open char devs */
55 	int	ri_open;		/* composite mask of open devs */
56 };
57 
58 struct	rd_softc {
59 	struct	hp_device *sc_hd;
60 	int	sc_flags;
61 	short	sc_type;
62 	short	sc_punit;
63 	char	*sc_addr;
64 	int	sc_resid;
65 	u_int	sc_wpms;
66 	struct	rdinfo sc_info;
67 	struct	devqueue sc_dq;
68 	struct	rd_iocmd sc_ioc;
69 	struct	rd_rscmd sc_rsc;
70 	struct	rd_stat sc_stat;
71 	struct	rd_ssmcmd sc_ssmc;
72 	struct	rd_srcmd sc_src;
73 	struct	rd_clearcmd sc_clear;
74 };
75 
76 /* sc_flags values */
77 #define	RDF_ALIVE	0x01
78 #define	RDF_SEEK	0x02
79 #define RDF_SWAIT	0x04
80 #define RDF_OPENING	0x08
81 #define RDF_CLOSING	0x10
82 #define RDF_WANTED	0x20
83 #define RDF_WLABEL	0x40
84 
85 struct rdstats {
86 	long	rdretries;
87 	long	rdresets;
88 	long	rdtimeouts;
89 	long	rdpolltries;
90 	long	rdpollwaits;
91 };
92 
93 #define	rdunit(x)	(minor(x) >> 3)
94 #define rdpart(x)	(minor(x) & 0x7)
95 #define	rdpunit(x)	((x) & 7)
96 #define rdlabdev(d)	(dev_t)(((int)(d)&~7)|2)	/* rd?c */
97 
98 #define	b_cylin		b_resid
99 
100 #define	RDRETRY		5
101 #define RDWAITC		1	/* min time for timeout in seconds */
102