From: Mark Lord <liml@rtr.ca>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Jens Axboe <axboe@suse.de>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: libata+SGIO: is .dma_boundary respected?
Date: Tue, 21 Mar 2006 15:51:10 -0500 [thread overview]
Message-ID: <4420673E.3090003@rtr.ca> (raw)
In-Reply-To: <4420576F.80304@pobox.com>
Jeff Garzik wrote:
> Mark Lord wrote:
>> Oh, now there's a thought. How do we specify "max segment size" today?
>> I'll need to make sure that sata_mv still does that (64KB), even though
>> it doesn't care about crossing 64KB boundaries.
>
> Agreed. 50xx is the same: 64k segment size limit, dma boundary is
> really 0xffffffff. Good catch, I had made the mistaken assumption that
> there was the standard IDE 64k boundary as well.
Okay, good. I can do this with a scsi slave config function,
or we could (longer term) add it to libata somewhere.
Short term, I've already added a mv_slave_config() SCSI function here.
Cheers
next prev parent reply other threads:[~2006-03-21 20:51 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-19 20:48 libata+SGIO: is .dma_boundary respected? Mark Lord
2006-03-19 21:14 ` Jeff Garzik
2006-03-19 21:19 ` Mark Lord
2006-03-19 21:38 ` Jeff Garzik
2006-03-19 21:45 ` Mark Lord
2006-03-19 21:54 ` Mark Lord
2006-03-21 1:18 ` Jeff Garzik
2006-03-21 4:43 ` Mark Lord
2006-03-21 6:14 ` Jeff Garzik
2006-03-21 13:59 ` Mark Lord
2006-03-21 18:42 ` Jens Axboe
2006-03-21 19:18 ` Mark Lord
2006-03-21 19:29 ` Jeff Garzik
2006-03-21 19:31 ` Mark Lord
2006-03-21 19:33 ` Mark Lord
2006-03-21 19:35 ` Jens Axboe
2006-03-21 19:38 ` Jeff Garzik
2006-03-21 19:42 ` Jens Axboe
2006-03-21 19:43 ` James Bottomley
2006-03-21 19:46 ` Jens Axboe
2006-03-21 20:44 ` James Bottomley
2006-03-21 21:54 ` Benjamin Herrenschmidt
2006-03-21 19:31 ` Jens Axboe
2006-03-21 19:36 ` Mark Lord
2006-03-21 19:43 ` Jeff Garzik
2006-03-21 20:51 ` Mark Lord [this message]
2006-03-22 11:25 ` Tejun Heo
2006-03-22 14:52 ` Mark Lord
2006-03-21 1:15 ` Jeff Garzik
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