From: Jeff Garzik <jeff@garzik.org>
To: mike zheng <mail4mz@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: FIS structure and Command List structure for AHCI SATA controller
Date: Fri, 09 Nov 2007 22:03:04 -0500 [thread overview]
Message-ID: <47351F68.3020307@garzik.org> (raw)
In-Reply-To: <5c9cd53b0711090539u79c1ba4fte46ee13f5906b42a@mail.gmail.com>
mike zheng wrote:
> Hi Jeff,
>
> Actually I am using Marvell's 88SE6121 on kernel 2.4. I just wonder do
> I have to enable the FIS? The SATA Command Table of the device have
> following definitions:
>
> 00h Command FIS
> 40h ATAPI Command (CDB)
> 60h RSVD
> 80h Physical Region Descriptor Table
>
> Does it mean I can only use FIS or ATAPI for this device?
>
> Another confusion is the manual say that software should prepare the
> command header, command FIS and the ATAPI command (CDB) for the ATAPI
> command. Why it needs the FIS for ATAPI command?
>
> Thanks for your help.
FIS == basic data message used by all Serial ATA.
Both SATA ATA and SATA ATAPI use a FIS, it is fundamental to the nature
of Serial ATA.
Jeff
next prev parent reply other threads:[~2007-11-10 3:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-09 3:38 FIS structure and Command List structure for AHCI SATA controller mike zheng
2007-11-09 3:55 ` Jeff Garzik
2007-11-09 13:39 ` mike zheng
2007-11-10 3:03 ` Jeff Garzik [this message]
2007-11-15 14:49 ` mike zheng
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