sdvar.h revision 1.31
1/* $NetBSD: sdvar.h,v 1.31 2008/07/16 18:54:09 drochner Exp $ */ 2 3/*- 4 * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32/* 33 * Originally written by Julian Elischer (julian@dialix.oz.au) 34 * for TRW Financial Systems for use under the MACH(2.5) operating system. 35 * 36 * TRW Financial Systems, in accordance with their agreement with Carnegie 37 * Mellon University, makes this software available to CMU to distribute 38 * or use in any manner that they see fit as long as this message is kept with 39 * the software. For this reason TFS also grants any other persons or 40 * organisations permission to use or modify this software. 41 * 42 * TFS supplies this software to be publicly redistributed 43 * on the understanding that TFS is not responsible for the correct 44 * functioning of this software in any circumstances. 45 * 46 * Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992 47 */ 48 49#ifndef _DEV_SCSIPI_SDVAR_H_ 50#define _DEV_SCSIPI_SDVAR_H_ 51 52#include "opt_scsi.h" 53#include "rnd.h" 54#if NRND > 0 55#include <sys/rnd.h> 56#endif 57 58#ifndef SDRETRIES 59#define SDRETRIES 4 60#endif 61 62#ifndef SD_IO_TIMEOUT 63#define SD_IO_TIMEOUT (60 * 1000) 64#endif 65 66struct sd_softc { 67 device_t sc_dev; 68 struct disk sc_dk; 69 70 int flags; 71#define SDF_WLABEL 0x04 /* label is writable */ 72#define SDF_LABELLING 0x08 /* writing label */ 73#define SDF_ANCIENT 0x10 /* disk is ancient; for minphys */ 74#define SDF_DIRTY 0x20 /* disk is dirty; needs cache flush */ 75#define SDF_FLUSHING 0x40 /* flushing, for sddone() */ 76 77 struct scsipi_periph *sc_periph;/* contains our targ, lun, etc. */ 78 79 struct disk_parms { 80 u_long heads; /* number of heads */ 81 u_long cyls; /* number of cylinders */ 82 u_long sectors; /* number of sectors/track */ 83 u_long blksize; /* number of bytes/sector */ 84 u_long rot_rate; /* rotational rate, in RPM */ 85 u_int64_t disksize; /* total number sectors */ 86 u_int64_t disksize512; /* total number sectors */ 87 } params; 88 89 struct bufq_state *buf_queue; 90 callout_t sc_callout; 91 u_int8_t type; 92 char name[16]; /* product name, for default disklabel */ 93 94 void *sc_sdhook; /* our shutdown hook */ 95 96#if NRND > 0 97 rndsource_element_t rnd_source; 98#endif 99}; 100 101#define SDGP_RESULT_OK 0 /* parameters obtained */ 102#define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */ 103#define SDGP_RESULT_UNFORMATTED 2 /* unformatted media (max params) */ 104 105#endif /* _DEV_SCSIPI_SDVAR_H_ */ 106