Re: SATA port multiplier support ready yet?

From: Søren Schmidt <sos_at_FreeBSD.ORG>
Date: Fri, 11 Apr 2008 15:48:07 +0200
Hi

ATA as such is the same in 6.3+ 7.0 and -current, so yes MFC is a  
definite candidate.

However, lets get it beaten into shape in -current first :)

Rudimentary in that it has all the infrastructure sorted out in ATA,  
but there are features thats not supported yet, such as hotplug/ 
removal, that kind of things. For permanently attached devices it is  
fully functianal for data access etc, on the supported HW.

-Søren




On 11Apr, 2008, at 2:01 , Wes Morgan wrote:

> On Thu, 10 Apr 2008, Søren Schmidt wrote:
>
>> Hi
>>
>> Yes, I'm working on port multiplier support and a commit of  
>> rudimentary support is imminent.
>
> Will PM support be something that is an MFC candidate? And can you  
> expand on "rudimentary"?
>
>
>>
>>> Dieter wrote:
>>>> If not, how does this "intelligent enough to hide the details"  
>>>> stuff
>>>> work?  Does the controller lie to the OS and say "I have 6 ports"
>>>> rather than "I have 2 ports" and then the device says "I'm a 5:1
>>>> portmultiplier"?
>>> As I know Soren is working on the SATA PortMultiplier support and
>>> he's going to commit it.
>>> -- 
>>> WBR, Andrey V. Elsukov
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Received on Fri Apr 11 2008 - 11:48:13 UTC

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