91 lines
3.7 KiB
C
91 lines
3.7 KiB
C
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/* $NetBSD: sdvar.h,v 1.1 1998/01/15 02:21:40 cgd Exp $ */
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/*
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* Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles M. Hannum.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Originally written by Julian Elischer (julian@dialix.oz.au)
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* for TRW Financial Systems for use under the MACH(2.5) operating system.
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*
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* Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992
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*/
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#define SDRETRIES 4
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struct sd_ops;
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struct sd_softc {
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struct device sc_dev;
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struct disk sc_dk;
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int flags;
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#define SDF_LOCKED 0x01
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#define SDF_WANTED 0x02
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#define SDF_WLABEL 0x04 /* label is writable */
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#define SDF_LABELLING 0x08 /* writing label */
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#define SDF_ANCIENT 0x10 /* disk is ancient; for minphys */
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struct scsipi_link *sc_link; /* contains our targ, lun, etc. */
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struct disk_parms {
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u_long heads; /* number of heads */
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u_long cyls; /* number of cylinders */
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u_long sectors; /* number of sectors/track */
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u_long blksize; /* number of bytes/sector */
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u_long disksize; /* total number sectors */
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u_long rot_rate; /* rotational rate, in RPM */
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} params;
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struct buf buf_queue;
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u_int8_t type;
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const struct sd_ops *sc_ops; /* our bus-dependent ops vector */
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#if NRND > 0
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rndsource_element_t rnd_source;
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#endif
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};
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struct sd_ops {
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int (*sdo_get_parms) __P((struct sd_softc *, struct disk_parms *,
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int));
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};
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#define SDGP_RESULT_OK 0 /* paramters obtained */
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#define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */
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#define SDGP_RESULT_UNFORMATTED 2 /* unformatted media (max params) */
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void sdattach __P((struct device *, struct sd_softc *, struct scsipi_link *,
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const struct sd_ops *));
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