106 lines
4.3 KiB
C
106 lines
4.3 KiB
C
/* $NetBSD: sdvar.h,v 1.9 1999/09/11 21:42:58 thorpej Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Charles M. Hannum.
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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 the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* 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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#define SDF_DIRTY 0x20 /* disk is dirty; needs cache flush */
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#define SDF_FLUSHING 0x40 /* flushing, for sddone() */
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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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char name[16]; /* product name, for default disklabel */
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const struct sd_ops *sc_ops; /* our bus-dependent ops vector */
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void *sc_sdhook; /* our shutdown hook */
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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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int (*sdo_flush) __P((struct sd_softc *, 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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int sdactivate __P((struct device *, enum devact));
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int sddetach __P((struct device *, int));
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