Re: WIP: ATA to CAM integration

From: Daan Vreeken <Daan_at_vehosting.nl>
Date: Mon, 15 Jun 2009 23:52:47 +0200
Hi,

On Friday 05 June 2009 19:28:15 Matthew Dillon wrote:
> :Latest AHCI specifications define feature named FIS Based Switching. It
> :allows controller independently track state of every device beyond port
> :multiplier. It should be quite easy to use it, but actually none of my
> :controllers have that capability.
>
>     Damn.  The FBSS capability bit is not set on my (AMD) MCP77 based AHCI
>     SATA controller.  That sucks.
>
>     ahci0: <NVidia-MCP77-SATA>...
>     ahci0: AHCI 1.2 capabilities
> 0xe3229f05<S64A,NCQ,SSNTF,SAL,SCLO,SPM,PMD>, 6 port
>
>     Do you know of any host controllers which support FBS ?  Any of the
>     Intel parts or machines per-chance?
...

According to the following link :
	http://www.siliconimage.com/products/product.aspx?pid=32

the SiI3132 supports FIS based switching. We use them in a storage server 
prototype.


Regards,
-- 
Daan Vreeken
VEHosting
http://VEHosting.nl
tel: +31-(0)40-7113050 / +31-(0)6-46210825
KvK nr: 17174380
Received on Mon Jun 15 2009 - 19:53:21 UTC

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