Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 21 Oct 2003 18:30:05 -0400 (EDT)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Eric Anholt <eta@lclark.edu>
Cc:        current@freebsd.org
Subject:   RE: PCI domains?
Message-ID:  <XFMail.20031021183005.jhb@FreeBSD.org>
In-Reply-To: <1066772724.646.62.camel@leguin>

next in thread | previous in thread | raw e-mail | index | archive | help

On 21-Oct-2003 Eric Anholt wrote:
> Is there any concept of PCI domains in the kernel?
> 
> This is for the DRM, while dealing with a complaint from Linus recently:

Alpha has support for hoses which sounds like the same thing, but that's
about it.

>> Please fix the fact that modern PCI is _not_ enumerated with just "bus,
>> slot, function". A lot of machines are starting to have a "domain number", 
>> which allows fro multiple independent PCI subsystems in the same machine.
>> 
>> On linux, you can use "pci_name(pdev)" to get a truly unique descriptor of
>> the device (within the PCI subsystem). It will look something like
>> 
>>      0000:00:02.0
>> 
>> for "domain 0, bus 0, device 2, function 0".
> 
> 
> -- 
> Eric Anholt                                eta@lclark.edu          
> http://people.freebsd.org/~anholt/         anholt@FreeBSD.org
> 
> 
> _______________________________________________
> freebsd-current@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?XFMail.20031021183005.jhb>