xref: /openbsd/sys/scsi/sdvar.h (revision cecf84d4)
1 /*	$OpenBSD: sdvar.h,v 1.42 2013/10/02 18:59:04 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  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Originally written by Julian Elischer (julian@dialix.oz.au)
35  * for TRW Financial Systems for use under the MACH(2.5) operating system.
36  *
37  * TRW Financial Systems, in accordance with their agreement with Carnegie
38  * Mellon University, makes this software available to CMU to distribute
39  * or use in any manner that they see fit as long as this message is kept with
40  * the software. For this reason TFS also grants any other persons or
41  * organisations permission to use or modify this software.
42  *
43  * TFS supplies this software to be publicly redistributed
44  * on the understanding that TFS is not responsible for the correct
45  * functioning of this software in any circumstances.
46  *
47  * Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992
48  */
49 
50 #ifdef _KERNEL
51 struct sd_softc {
52 	struct device		sc_dev;
53 	struct disk		sc_dk;
54 	struct bufq		sc_bufq;
55 
56 	int			flags;
57 #define	SDF_ANCIENT	0x10		/* disk is ancient; for minphys */
58 #define	SDF_DIRTY	0x20		/* disk is dirty; needs cache flush */
59 #define	SDF_DYING	0x40		/* dying, when deactivated */
60 #define	SDF_WAITING	0x80
61 #define	SDF_THIN	0x01		/* disk is thin provisioned */
62 	struct scsi_link	*sc_link; /* contains our targ, lun, etc. */
63 	struct disk_parms {
64 		u_long	heads;		/* number of heads */
65 		u_long	cyls;		/* number of cylinders */
66 		u_long	sectors;	/* number of sectors/track */
67 		u_long	secsize;	/* number of bytes/sector */
68 		u_int64_t	disksize;	/* total number sectors */
69 		u_int32_t	unmap_sectors;	/* maximum sectors/unmap */
70 		u_int32_t	unmap_descs;	/* maximum descriptors/unmap */
71 	} params;
72 	void *sc_sdhook;		/* our shutdown hook */
73 	struct timeout sc_timeout;
74 
75 	struct scsi_xshandler sc_xsh;
76 };
77 
78 #define	SDGP_RESULT_OK		0	/* parameters obtained */
79 #define	SDGP_RESULT_OFFLINE	1	/* no media, or otherwise losing */
80 
81 #endif /* _KERNEL */
82