FreeBSD/Linux Kernel Cross Reference
sys/dev/scsipi/sdvar.h
1 /* $NetBSD: sdvar.h,v 1.28 2005/12/11 12:23:51 christos 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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Originally written by Julian Elischer (julian@dialix.oz.au)
41 * for TRW Financial Systems for use under the MACH(2.5) operating system.
42 *
43 * TRW Financial Systems, in accordance with their agreement with Carnegie
44 * Mellon University, makes this software available to CMU to distribute
45 * or use in any manner that they see fit as long as this message is kept with
46 * the software. For this reason TFS also grants any other persons or
47 * organisations permission to use or modify this software.
48 *
49 * TFS supplies this software to be publicly redistributed
50 * on the understanding that TFS is not responsible for the correct
51 * functioning of this software in any circumstances.
52 *
53 * Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992
54 */
55
56 #ifndef _DEV_SCSIPI_SDVAR_H_
57 #define _DEV_SCSIPI_SDVAR_H_
58
59 #include "opt_scsi.h"
60 #include "rnd.h"
61 #if NRND > 0
62 #include <sys/rnd.h>
63 #endif
64
65 #ifndef SDRETRIES
66 #define SDRETRIES 4
67 #endif
68
69 #ifndef SD_IO_TIMEOUT
70 #define SD_IO_TIMEOUT (60 * 1000)
71 #endif
72
73 struct sd_softc {
74 struct device sc_dev;
75 struct disk sc_dk;
76
77 int flags;
78 #define SDF_WLABEL 0x04 /* label is writable */
79 #define SDF_LABELLING 0x08 /* writing label */
80 #define SDF_ANCIENT 0x10 /* disk is ancient; for minphys */
81 #define SDF_DIRTY 0x20 /* disk is dirty; needs cache flush */
82 #define SDF_FLUSHING 0x40 /* flushing, for sddone() */
83
84 struct scsipi_periph *sc_periph;/* contains our targ, lun, etc. */
85
86 struct disk_parms {
87 u_long heads; /* number of heads */
88 u_long cyls; /* number of cylinders */
89 u_long sectors; /* number of sectors/track */
90 u_long blksize; /* number of bytes/sector */
91 u_long rot_rate; /* rotational rate, in RPM */
92 u_int64_t disksize; /* total number sectors */
93 u_int64_t disksize512; /* total number sectors */
94 } params;
95
96 struct bufq_state *buf_queue;
97 struct callout sc_callout;
98 u_int8_t type;
99 char name[16]; /* product name, for default disklabel */
100
101 void *sc_sdhook; /* our shutdown hook */
102
103 #if NRND > 0
104 rndsource_element_t rnd_source;
105 #endif
106 };
107
108 #define SDGP_RESULT_OK 0 /* parameters obtained */
109 #define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */
110 #define SDGP_RESULT_UNFORMATTED 2 /* unformatted media (max params) */
111
112 #endif /* _DEV_SCSIPI_SDVAR_H_ */
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