Subject: Re: Rework of ATA code to support native SATA controllers
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Jason Thorpe <thorpej@wasabisystems.com>
List: tech-kern
Date: 12/16/2003 14:51:36
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On Dec 16, 2003, at 2:30 PM, Manuel Bouyer wrote:
> Any idea on how ATAPI over SATA will look like ? My guess is that we'll
> need an equivalent of atapi_wdc.c too, so I wonder if trying to share
> the
> atabus bits wouldn't be more trouble than it's worth.
For one controller I'm working with, you simply say "packet protocol"
and stuff the ATAPI (scsi) command in the chip-specific command header.
For other controllers that emulate the legacy ATA registers, ATAPI
should Just Work as it does today.
-- Jason R. Thorpe <thorpej@wasabisystems.com>
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