From: Mark Lord <lkml@rtr.ca>
To: Robert Hancock <hancockr@shaw.ca>
Cc: Mark Lord <liml@rtr.ca>, Jens Axboe <jens.axboe@oracle.com>,
Allen Martin <AMartin@nvidia.com>, Jeff Garzik <jeff@garzik.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-ide@vger.kernel.org, prakash@punnoor.de
Subject: Re: [RFC PATCH] nForce4 ADMA with NCQ: It's aliiiive..
Date: Mon, 16 Oct 2006 20:04:24 -0400 [thread overview]
Message-ID: <45341E08.9040100@rtr.ca> (raw)
In-Reply-To: <4534185C.9060401@shaw.ca>
Robert Hancock wrote:
> Mark Lord wrote:
>> Robert Hancock wrote:
..
>> Be careful of that. The original PDC hardware for ADMA still had
>> the "don't cross a 64KB boundary" requirement.
..
> That is part of the ADMA spec - but in that case, how come the
> pdc_adma.c driver sets the dma_boundary in the SCSI host template to
> 4GB? That seems wrong.
Ah, you are correct. My memory is fading of such things.
The PDC parts are good for 2^34 transfer sizes (bytes).
Cheers
prev parent reply other threads:[~2006-10-17 0:04 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-07 8:08 [RFC PATCH] nForce4 ADMA with NCQ: It's aliiiive Robert Hancock
2006-10-07 9:42 ` Prakash Punnoor
2006-10-07 15:54 ` Robert Hancock
2006-10-10 6:44 ` Allen Martin
2006-10-10 7:52 ` Prakash Punnoor
2006-11-30 16:46 ` Prakash Punnoor
2006-12-01 0:07 ` Robert Hancock
2006-10-07 15:28 ` Jeff Garzik
2006-10-07 23:49 ` Robert Hancock
2006-10-10 6:52 ` Allen Martin
2006-10-11 5:07 ` Robert Hancock
2006-10-11 10:30 ` Jens Axboe
2006-10-13 3:17 ` Robert Hancock
2006-10-13 8:04 ` Jens Axboe
2006-10-17 3:34 ` [PATCH] sata_nv ADMA/NCQ support for nForce4 Robert Hancock
2006-10-17 3:37 ` Mark Lord
2006-10-17 4:24 ` Robert Hancock
2006-10-17 16:22 ` Mark Lord
2006-10-17 17:58 ` Roland Dreier
2006-10-17 20:54 ` Mark Lord
2006-10-16 16:17 ` [RFC PATCH] nForce4 ADMA with NCQ: It's aliiiive Mark Lord
2006-10-16 23:40 ` Robert Hancock
2006-10-17 0:04 ` Mark Lord [this message]
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