Annotation of sys/scsi/sdvar.h, Revision 1.1.1.1
1.1 nbrk 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 */
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