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Date: Thu, 24 Jul 2003 21:33:07 +0700
From: "mitrohin a.s." <swp@uni-altai.ru>
To: freebsd-current@freebsd.org
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Subject: Re: ata tagged queuing support question
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On Thu, Jul 24, 2003 at 03:26:53PM +0200, Soeren Schmidt wrote:
> It seems mitrohin a.s. wrote:
> > ata-disk.c
> > 
> >     /* use tagged queueing if allowed and supported */
> > #if 0 /* disable tags for now */
> >     if (ata_tags && ad_tagsupported(adp)) {
> > 	adp->num_tags = atadev->param->queuelen;
> > 	adp->flags |= AD_F_TAG_ENABLED;
> > 	adp->device->channel->flags |= ATA_QUEUED;
> > 	if (ata_command(atadev, ATA_C_SETFEATURES,
> > 			0, 0, ATA_C_F_DIS_RELIRQ, ATA_WAIT_INTR))
> > 	    ata_prtdev(atadev, "disabling release interrupt failed\n");
> > 	if (ata_command(atadev, ATA_C_SETFEATURES,
> > 			0, 0, ATA_C_F_DIS_SRVIRQ, ATA_WAIT_INTR))
> > 	    ata_prtdev(atadev, "disabling service interrupt failed\n");
> >     }
> > #endif
> > 
> > tagged queueing broken in -current? i have IBM ICxxxxxAV drives and want 
> > to use this feature. can i enable this block?
> 
> It doesn't work for now, and question is if it will ever be enabled
> again as it causes more problems than it solves.
> 
> -S?ren

thanks...
/swp