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make the software managed bad-sector list optional

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(kernel option WD_SOFTBADSECT)
This commit is contained in:
drochner 2004-08-30 09:34:41 +00:00
parent 08c7699414
commit b4b2fd9326
3 changed files with 22 additions and 9 deletions
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4
sys/dev/ata/files.ata
View File

@ -1,4 +1,4 @@
# $NetBSD: files.ata,v 1.10 2004/08/12 04:23:02 thorpej Exp $
# $NetBSD: files.ata,v 1.11 2004/08/30 09:34:41 drochner Exp $
#
# Config file and device description for machine-independent devices
# which attach to ATA busses. Included by ports that need it. Ports
@ -11,6 +11,8 @@ attach wd at ata_hl
file dev/ata/wd.c wd needs-flag
file dev/ata/ata_wdc.c wd & atabus & wdc_common
defflag WD_SOFTBADSECT
file dev/ata/ata.c (ata_hl | atapi) & atabus
# ATA RAID configuration support

18
sys/dev/ata/wd.c
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@ -1,4 +1,4 @@
/* $NetBSD: wd.c,v 1.291 2004/08/21 00:28:34 thorpej Exp $ */
/* $NetBSD: wd.c,v 1.292 2004/08/30 09:34:41 drochner Exp $ */
/*
* Copyright (c) 1998, 2001 Manuel Bouyer. All rights reserved.
@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: wd.c,v 1.291 2004/08/21 00:28:34 thorpej Exp $");
__KERNEL_RCSID(0, "$NetBSD: wd.c,v 1.292 2004/08/30 09:34:41 drochner Exp $");
#ifndef ATADEBUG
#define ATADEBUG
@ -279,8 +279,9 @@ wdattach(struct device *parent, struct device *self, void *aux)
callout_init(&wd->sc_restart_ch);
bufq_alloc(&wd->sc_q, BUFQ_DISK_DEFAULT_STRAT()|BUFQ_SORT_RAWBLOCK);
#ifdef WD_SOFTBADSECT
SLIST_INIT(&wd->sc_bslist);
#endif
wd->atabus = adev->adev_bustype;
wd->openings = adev->adev_openings;
wd->drvp = adev->adev_drv_data;
@ -445,6 +446,7 @@ wddetach(struct device *self, int flags)
/* Detach disk. */
disk_detach(&sc->sc_dk);
#ifdef WD_SOFTBADSECT
/* Clean out the bad sector list */
while (!SLIST_EMPTY(&sc->sc_bslist)) {
void *head = SLIST_FIRST(&sc->sc_bslist);
@ -452,6 +454,7 @@ wddetach(struct device *self, int flags)
free(head, M_TEMP);
}
sc->sc_bscount = 0;
#endif
/* Get rid of the shutdown hook. */
if (sc->sc_sdhook != NULL)
@ -529,6 +532,7 @@ wdstrategy(struct buf *bp)
bp->b_rawblkno = blkno;
#ifdef WD_SOFTBADSECT
/*
* If the transfer about to be attempted contains only a block that
* is known to be bad then return an error for the transfer without
@ -548,6 +552,7 @@ wdstrategy(struct buf *bp)
goto bad;
}
}
#endif
/* Queue transfer on drive, activate drive and controller if idle. */
s = splbio();
@ -772,6 +777,7 @@ retry2:
}
printf("\n");
#ifdef WD_SOFTBADSECT
/*
* Not all errors indicate a failed block but those that do,
* put the block on the bad-block list for the device. Only
@ -790,7 +796,7 @@ retry2:
SLIST_INSERT_HEAD(&wd->sc_bslist, dbs, dbs_next);
wd->sc_bscount++;
}
#endif
bp->b_flags |= B_ERROR;
bp->b_error = EIO;
break;
@ -1128,7 +1134,7 @@ wdioctl(dev_t dev, u_long xfer, caddr_t addr, int flag, struct proc *p)
bad144intern(wd);
return 0;
#endif
#ifdef WD_SOFTBADSECT
case DIOCBSLIST :
{
u_int32_t count, missing, skip;
@ -1182,7 +1188,7 @@ wdioctl(dev_t dev, u_long xfer, caddr_t addr, int flag, struct proc *p)
}
wd->sc_bscount = 0;
return 0;
#endif
case DIOCGDINFO:
*(struct disklabel *)addr = *(wd->sc_dk.dk_label);
return 0;

9
sys/dev/ata/wdvar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: wdvar.h,v 1.26 2003/12/14 05:38:20 thorpej Exp $ */
/* $NetBSD: wdvar.h,v 1.27 2004/08/30 09:34:42 drochner Exp $ */
/*
* Copyright (c) 1998, 2001 Manuel Bouyer.
@ -32,6 +32,10 @@
#ifndef _DEV_ATA_WDVAR_H_
#define _DEV_ATA_WDVAR_H_
#ifdef _KERNEL_OPT
#include "opt_wd_softbadsect.h"
#endif
struct wd_softc {
/* General disk infos */
struct device sc_dev;
@ -67,9 +71,10 @@ struct wd_softc {
void *sc_sdhook; /* our shutdown hook */
#ifdef WD_SOFTBADSECT
SLIST_HEAD(, disk_badsectors) sc_bslist;
u_int sc_bscount;
#endif
#if NRND > 0
rndsource_element_t rnd_source;
#endif