sdvar.h revision 1.32 
1/*	$NetBSD: sdvar.h,v 1.32 2009/04/10 17:36:42 dyoung 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#if NRND > 0
95	rndsource_element_t rnd_source;
96#endif
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