xref: /netbsd/sys/arch/hp300/dev/rdvar.h (revision 6550d01e)
1 /*	$NetBSD: rdvar.h,v 1.19 2009/01/11 18:19:53 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * the Systems Programming Group of the University of Utah Computer
9  * Science Department.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * from: Utah $Hdr: rdvar.h 1.1 92/12/21$
36  *
37  *	@(#)rdvar.h	8.1 (Berkeley) 6/10/93
38  */
39 /*
40  * Copyright (c) 1988 University of Utah.
41  *
42  * This code is derived from software contributed to Berkeley by
43  * the Systems Programming Group of the University of Utah Computer
44  * Science Department.
45  *
46  * Redistribution and use in source and binary forms, with or without
47  * modification, are permitted provided that the following conditions
48  * are met:
49  * 1. Redistributions of source code must retain the above copyright
50  *    notice, this list of conditions and the following disclaimer.
51  * 2. Redistributions in binary form must reproduce the above copyright
52  *    notice, this list of conditions and the following disclaimer in the
53  *    documentation and/or other materials provided with the distribution.
54  * 3. All advertising materials mentioning features or use of this software
55  *    must display the following acknowledgement:
56  *	This product includes software developed by the University of
57  *	California, Berkeley and its contributors.
58  * 4. Neither the name of the University nor the names of its contributors
59  *    may be used to endorse or promote products derived from this software
60  *    without specific prior written permission.
61  *
62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72  * SUCH DAMAGE.
73  *
74  * from: Utah $Hdr: rdvar.h 1.1 92/12/21$
75  *
76  *	@(#)rdvar.h	8.1 (Berkeley) 6/10/93
77  */
78 
79 #include <sys/callout.h>
80 
81 struct	rdidentinfo {
82 	short	ri_hwid;		/* 2 byte HW id */
83 	short	ri_maxunum;		/* maximum allowed unit number */
84 	const char *ri_desc;		/* drive type description */
85 	int	ri_nbpt;		/* DEV_BSIZE blocks per track */
86 	int	ri_ntpc;		/* tracks per cylinder */
87 	int	ri_ncyl;		/* cylinders per unit */
88 	int	ri_nblocks;		/* DEV_BSIZE blocks on disk */
89 };
90 
91 struct rdstats {
92 	long	rdretries;
93 	long	rdresets;
94 	long	rdtimeouts;
95 	long	rdpolltries;
96 	long	rdpollwaits;
97 };
98 
99 struct	rd_softc {
100 	device_t sc_dev;
101 	struct	disk sc_dkdev;
102 	struct	callout sc_restart_ch;
103 	int	sc_slave;		/* HP-IB slave */
104 	int	sc_punit;		/* physical unit on slave */
105 	int	sc_flags;
106 	short	sc_type;
107 	char	*sc_addr;
108 	int	sc_resid;
109 	struct	rd_describe sc_rddesc;
110 	struct	hpibqueue sc_hq;	/* hpib job queue entry */
111 	struct	rd_iocmd sc_ioc;
112 	struct	rd_rscmd sc_rsc;
113 	struct	rd_stat sc_stat;
114 	struct	rd_ssmcmd sc_ssmc;
115 	struct	rd_srcmd sc_src;
116 	struct	rd_clearcmd sc_clear;
117 	struct	bufq_state *sc_tab;
118 	int	sc_active;
119 	int	sc_errcnt;
120 	struct	rdstats sc_stats;
121 #if NRND > 0
122 	rndsource_element_t rnd_source;
123 #endif
124 };
125 
126 /* sc_flags values */
127 #define	RDF_ALIVE	0x01
128 #define	RDF_SEEK	0x02
129 #define RDF_SWAIT	0x04
130 #define RDF_OPENING	0x08
131 #define RDF_CLOSING	0x10
132 #define RDF_WANTED	0x20
133 #define RDF_WLABEL	0x40
134 
135 #define	rdunit(x)	((int)(minor(x) >> 3))
136 #define rdpart(x)	((int)(minor(x) & 0x7))
137 #define	rdpunit(x)	((x) & 7)
138 #define rdlabdev(d)	(dev_t)(((int)(d)&~7)|2)	/* rd?c */
139 
140 #define	RDRETRY		5
141 #define RDWAITC		1	/* min time for timeout in seconds */
142