1/* $NetBSD: wdvar.h,v 1.43 2016/07/22 04:08:10 jakllsch Exp $ */
2
3/*
4 * Copyright (c) 1998, 2001 Manuel Bouyer.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef _DEV_ATA_WDVAR_H_
28#define _DEV_ATA_WDVAR_H_
29
30#ifdef _KERNEL_OPT
31#include "opt_wd_softbadsect.h"
32#endif
33
34#include <sys/rndsource.h>
35
36struct wd_softc {
37 /* General disk infos */
38 device_t sc_dev;
39 struct disk sc_dk;
40 struct bufq_state *sc_q;
41 struct callout sc_restart_ch;
42 int sc_quirks; /* any quirks drive might have */
43 /* IDE disk soft states */
44 struct ata_bio sc_wdc_bio; /* current transfer */
45 struct buf *sc_bp; /* buf being transfered */
46 struct ata_drive_datas *drvp; /* Our controller's infos */
47 const struct ata_bustype *atabus;
48 int openings;
49 struct ataparams sc_params;/* drive characteristics found */
50 int sc_flags;
51#define WDF_WLABEL 0x004 /* label is writable */
52#define WDF_LABELLING 0x008 /* writing label */
53/*
54 * XXX Nothing resets this yet, but disk change sensing will when ATA-4 is
55 * more fully implemented.
56 */
57#define WDF_LOADED 0x010 /* parameters loaded */
58#define WDF_WAIT 0x020 /* waiting for resources */
59#define WDF_LBA 0x040 /* using LBA mode */
60#define WDF_KLABEL 0x080 /* retain label after 'full' close */
61#define WDF_LBA48 0x100 /* using 48-bit LBA mode */
62 uint64_t sc_capacity; /* full capacity of the device */
63 uint64_t sc_capacity512; /* ... in DEV_BSIZE blocks */
64 uint32_t sc_capacity28; /* capacity accessible with LBA28 commands */
65 uint32_t sc_blksize; /* logical block size, in bytes */
66
67 int retries; /* number of xfer retry */
68
69#ifdef WD_SOFTBADSECT
70 SLIST_HEAD(, disk_badsectors) sc_bslist;
71 u_int sc_bscount;
72#endif
73 krndsource_t rnd_source;
74};
75
76#define sc_drive sc_wdc_bio.drive
77#define sc_mode sc_wdc_bio.mode
78#define sc_multi sc_wdc_bio.multi
79#define sc_badsect sc_wdc_bio.badsect
80
81#endif /* _DEV_ATA_WDVAR_H_ */
82