1/* $NetBSD: sdvar.h,v 1.37 2015/08/24 23:13:15 pooka 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#ifdef _KERNEL_OPT
53#include "opt_scsi.h"
54#endif
55
56#include <sys/rndsource.h>
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 disk_parms {
67 u_long heads; /* number of heads */
68 u_long cyls; /* number of cylinders */
69 u_long sectors; /* number of sectors/track */
70 u_long blksize; /* number of bytes/sector */
71 u_long rot_rate; /* rotational rate, in RPM */
72 u_int64_t disksize; /* total number sectors */
73 u_int64_t disksize512; /* total number sectors */
74};
75
76struct sd_softc {
77 device_t sc_dev;
78 struct disk sc_dk;
79
80 int flags;
81#define SDF_WLABEL 0x04 /* label is writable */
82#define SDF_LABELLING 0x08 /* writing label */
83#define SDF_ANCIENT 0x10 /* disk is ancient; for minphys */
84#define SDF_DIRTY 0x20 /* disk is dirty; needs cache flush */
85#define SDF_FLUSHING 0x40 /* flushing, for sddone() */
86
87 struct scsipi_periph *sc_periph;/* contains our targ, lun, etc. */
88
89 struct disk_parms params;
90
91 struct bufq_state *buf_queue;
92 callout_t sc_callout;
93 u_int8_t type;
94 char name[16]; /* product name, for default disklabel */
95
96 krndsource_t rnd_source;
97};
98
99#define SDGP_RESULT_OK 0 /* parameters obtained */
100#define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */
101#define SDGP_RESULT_UNFORMATTED 2 /* unformatted media (max params) */
102
103#endif /* _DEV_SCSIPI_SDVAR_H_ */
104