110 lines
3.7 KiB
C
110 lines
3.7 KiB
C
/* $NetBSD: wdvar.h,v 1.51 2021/12/28 13:27:32 riastradh Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998, 2001 Manuel Bouyer.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _DEV_ATA_WDVAR_H_
|
|
#define _DEV_ATA_WDVAR_H_
|
|
|
|
#ifdef _KERNEL_OPT
|
|
#include "opt_wd.h"
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/callout.h>
|
|
#include <sys/condvar.h>
|
|
#include <sys/disk.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/queue.h>
|
|
|
|
#include <dev/ata/atareg.h>
|
|
#include <dev/ata/atavar.h>
|
|
#include <dev/dkvar.h>
|
|
|
|
struct sysctllog;
|
|
|
|
struct wd_softc {
|
|
/* General disk infos */
|
|
struct dk_softc sc_dksc;
|
|
kmutex_t sc_lock;
|
|
int sc_quirks; /* any quirks drive might have */
|
|
|
|
/* IDE disk soft states */
|
|
struct ata_drive_datas *drvp; /* Our controller's infos */
|
|
const struct ata_bustype *atabus;
|
|
struct ataparams sc_params;/* drive characteristics found */
|
|
int sc_flags;
|
|
/*
|
|
* XXX Nothing resets this yet, but disk change sensing will when ATA-4 is
|
|
* more fully implemented.
|
|
*/
|
|
#define WDF_LOADED 0x010 /* parameters loaded */
|
|
#define WDF_WAIT 0x020 /* waiting for resources */
|
|
#define WDF_LBA 0x040 /* using LBA mode */
|
|
#define WDF_LBA48 0x100 /* using 48-bit LBA mode */
|
|
#define WDF_DIRTY 0x200 /* disk cache dirty */
|
|
#define WDF_OPEN 0x400 /* device is open */
|
|
uint64_t sc_capacity; /* full capacity of the device */
|
|
uint64_t sc_capacity512; /* ... in DEV_BSIZE blocks */
|
|
uint32_t sc_capacity28; /* capacity accessible with LBA28 commands */
|
|
uint32_t sc_blksize; /* logical block size, in bytes */
|
|
struct disk_sectoralign sc_sectoralign; /* sector alignment */
|
|
|
|
#ifdef WD_SOFTBADSECT
|
|
SLIST_HEAD(, disk_badsectors) sc_bslist;
|
|
u_int sc_bscount;
|
|
kcondvar_t sc_bslist_cv;
|
|
u_int sc_bslist_inuse;
|
|
#endif
|
|
|
|
/* Retry/requeue failed transfers */
|
|
SLIST_HEAD(, ata_xfer) sc_retry_list;
|
|
struct callout sc_retry_callout; /* retry callout handle */
|
|
struct callout sc_restart_diskqueue; /* restart queue processing */
|
|
|
|
SLIST_HEAD(, ata_xfer) sc_requeue_list;
|
|
struct callout sc_requeue_callout; /* requeue callout handle */
|
|
|
|
struct ata_xfer dump_xfer;
|
|
|
|
/* Sysctl nodes specific for the disk */
|
|
struct sysctllog *nodelog;
|
|
bool drv_ncq;
|
|
#define WD_USE_NCQ(wd) \
|
|
((wd)->drv_ncq && ((wd)->drvp->drive_flags & ATA_DRIVE_NCQ))
|
|
bool drv_ncq_prio;
|
|
#define WD_USE_NCQ_PRIO(wd) \
|
|
((wd)->drv_ncq_prio && ((wd)->drvp->drive_flags & ATA_DRIVE_NCQ_PRIO))
|
|
#ifdef WD_CHAOS_MONKEY
|
|
int drv_chaos_freq; /* frequency of simulated bio errors */
|
|
int drv_chaos_cnt; /* count of processed bio read xfers */
|
|
#endif
|
|
unsigned inflight;
|
|
char *sc_typename;
|
|
};
|
|
|
|
#endif /* _DEV_ATA_WDVAR_H_ */
|