1 /* $OpenBSD: sdvar.h,v 1.2 2001/06/22 14:35:43 deraadt Exp $ */ 2 /* $NetBSD: sdvar.h,v 1.7 1998/08/17 00:49:03 mycroft Exp $ */ 3 4 /*- 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Charles M. Hannum. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Originally written by Julian Elischer (julian@dialix.oz.au) 42 * for TRW Financial Systems for use under the MACH(2.5) operating system. 43 * 44 * TRW Financial Systems, in accordance with their agreement with Carnegie 45 * Mellon University, makes this software available to CMU to distribute 46 * or use in any manner that they see fit as long as this message is kept with 47 * the software. For this reason TFS also grants any other persons or 48 * organisations permission to use or modify this software. 49 * 50 * TFS supplies this software to be publicly redistributed 51 * on the understanding that TFS is not responsible for the correct 52 * functioning of this software in any circumstances. 53 * 54 * Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992 55 */ 56 57 #define SDRETRIES 4 58 59 struct sd_ops; 60 61 struct sd_softc { 62 struct device sc_dev; 63 struct disk sc_dk; 64 65 int flags; 66 #define SDF_LOCKED 0x01 67 #define SDF_WANTED 0x02 68 #define SDF_WLABEL 0x04 /* label is writable */ 69 #define SDF_LABELLING 0x08 /* writing label */ 70 #define SDF_ANCIENT 0x10 /* disk is ancient; for minphys */ 71 #define SDF_DIRTY 0x20 /* disk is dirty; needs cache flush */ 72 #define SDF_FLUSHING 0x40 /* flushing, for sddone() */ 73 struct scsi_link *sc_link; /* contains our targ, lun, etc. */ 74 struct disk_parms { 75 u_long heads; /* number of heads */ 76 u_long cyls; /* number of cylinders */ 77 u_long sectors; /* number of sectors/track */ 78 u_long blksize; /* number of bytes/sector */ 79 u_long disksize; /* total number sectors */ 80 u_long rot_rate; /* rotational rate, in RPM */ 81 } params; 82 struct buf buf_queue; 83 u_int8_t type; 84 struct disk_name { 85 char vendor[9]; /* disk vendor/manufacturer */ 86 char product[17]; /* disk product model */ 87 char revision[5]; /* drive/firmware revision */ 88 } name; 89 const struct sd_ops *sc_ops; /* our bus-dependent ops vector */ 90 91 void *sc_sdhook; /* our shutdown hook */ 92 93 #if NRND > 0 94 rndsource_element_t rnd_source; 95 #endif 96 }; 97 98 struct sd_ops { 99 int (*sdo_get_parms) __P((struct sd_softc *, struct disk_parms *, 100 int)); 101 void (*sdo_flush) __P((struct sd_softc *, int)); 102 }; 103 #define SDGP_RESULT_OK 0 /* paramters obtained */ 104 #define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */ 105 #define SDGP_RESULT_UNFORMATTED 2 /* unformatted media (max params) */ 106 107