1 /* $NetBSD: rdvar.h,v 1.22 2012/02/02 19:42:59 tls 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 43 struct rdidentinfo { 44 short ri_hwid; /* 2 byte HW id */ 45 short ri_maxunum; /* maximum allowed unit number */ 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 rd_describe sc_rddesc; 72 struct hpibqueue sc_hq; /* hpib job queue entry */ 73 struct rd_iocmd sc_ioc; 74 struct rd_rscmd sc_rsc; 75 struct rd_stat sc_stat; 76 struct rd_ssmcmd sc_ssmc; 77 struct rd_srcmd sc_src; 78 struct rd_clearcmd sc_clear; 79 struct bufq_state *sc_tab; 80 int sc_active; 81 int sc_errcnt; 82 struct rdstats sc_stats; 83 krndsource_t rnd_source; 84 }; 85 86 /* sc_flags values */ 87 #define RDF_ALIVE 0x01 88 #define RDF_SEEK 0x02 89 #define RDF_SWAIT 0x04 90 #define RDF_OPENING 0x08 91 #define RDF_CLOSING 0x10 92 #define RDF_WANTED 0x20 93 #define RDF_WLABEL 0x40 94 95 #define rdunit(x) ((int)(minor(x) >> 3)) 96 #define rdpart(x) ((int)(minor(x) & 0x7)) 97 #define rdpunit(x) ((x) & 7) 98 #define rdlabdev(d) (dev_t)(((int)(d)&~7)|2) /* rd?c */ 99 100 #define RDRETRY 5 101 #define RDWAITC 1 /* min time for timeout in seconds */ 102