1 /*        $NetBSD: rdvar.h,v 1.27 2022/11/23 18:55:06 tsutsui 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. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * from: Utah $Hdr: rdvar.h 1.1 92/12/21$
37  *
38  *        @(#)rdvar.h         8.1 (Berkeley) 6/10/93
39  */
40 
41 #include <sys/callout.h>
42 #include <sys/rndsource.h>
43 
44 struct    rdidentinfo {
45           uint16_t ri_hwid;             /* 2 byte HW id */
46           const char *ri_desc;                    /* drive type description */
47           int       ri_nbpt;            /* DEV_BSIZE blocks per track */
48           int       ri_ntpc;            /* tracks per cylinder */
49           int       ri_ncyl;            /* cylinders per unit */
50           int       ri_nblocks;                   /* DEV_BSIZE blocks on disk */
51 };
52 
53 struct rdstats {
54           long      rdretries;
55           long      rdresets;
56           long      rdtimeouts;
57           long      rdpolltries;
58           long      rdpollwaits;
59 };
60 
61 struct    rd_softc {
62           device_t sc_dev;
63           struct    disk sc_dkdev;
64           struct    callout sc_restart_ch;
65           int       sc_slave;           /* HP-IB slave */
66           int       sc_punit;           /* physical unit on slave */
67           int       sc_flags;
68           short     sc_type;
69           char      *sc_addr;
70           int       sc_resid;
71           struct    hpibqueue sc_hq;    /* hpib job queue entry */
72           struct    rd_iocmd sc_ioc;
73           struct    rd_rscmd sc_rsc;
74           struct    rd_stat sc_stat;
75           struct    bufq_state *sc_tab;
76           int       sc_active;
77           int       sc_errcnt;
78           struct    rdstats sc_stats;
79           krndsource_t rnd_source;
80 };
81 
82 /* sc_flags values */
83 #define   RDF_ALIVE 0x01
84 #define   RDF_SEEK  0x02
85 #define   RDF_SWAIT 0x04
86 #define   RDF_OPENING         0x08
87 #define   RDF_CLOSING         0x10
88 #define   RDF_WANTED          0x20
89 #define   RDF_WLABEL          0x40
90 
91 #define   rdunit(x) ((int)(minor(x) >> 3))
92 #define   rdpart(x) ((int)(minor(x) & 0x7))
93 #define   rdpunit(x)          ((x) & 7)
94 #define   rdlabdev(d)         (dev_t)(((int)(d)&~7)|2)      /* rd?c */
95 
96 #define   RDRETRY             5
97 #define   RDWAITC             1         /* min time for timeout in seconds */
98