1 /* $OpenBSD: sdvar.h,v 1.11 2007/06/23 19:19:49 krw 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_softc {
60 struct device sc_dev;
61 struct disk sc_dk;
62
63 int flags;
64 #define SDF_LOCKED 0x01
65 #define SDF_WANTED 0x02
66 #define SDF_WLABEL 0x04 /* label is writable */
67 #define SDF_LABELLING 0x08 /* writing label */
68 #define SDF_ANCIENT 0x10 /* disk is ancient; for minphys */
69 #define SDF_DIRTY 0x20 /* disk is dirty; needs cache flush */
70 #define SDF_FLUSHING 0x40 /* flushing, for sddone() */
71 struct scsi_link *sc_link; /* contains our targ, lun, etc. */
72 struct disk_parms {
73 u_long heads; /* number of heads */
74 u_long cyls; /* number of cylinders */
75 u_long sectors; /* number of sectors/track */
76 u_long blksize; /* number of bytes/sector */
77 u_long rot_rate; /* rotational rate, in RPM */
78 daddr64_t disksize; /* total number sectors */
79 } params;
80 struct buf buf_queue;
81 void *sc_sdhook; /* our shutdown hook */
82 struct timeout sc_timeout;
83 };
84
85 #define SDGP_RESULT_OK 0 /* parameters obtained */
86 #define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */