netdev - Re: formal way to map from pf to vfs when using VT-d?

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Message-ID: <4FD26382.3050303@genband.com>
Date:	Fri, 08 Jun 2012 14:41:38 -0600
From:	Chris Friesen <chris.friesen@...band.com>
To:	netdev <netdev@...r.kernel.org>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Allan, Bruce W" <bruce.w.allan@...el.com>
Subject: Re: formal way to map from pf to vfs when using VT-d?

On 06/08/2012 02:14 PM, Chris Friesen wrote:
>
> Hi,
>
> I'm using the igb/igbvf drivers.  If I set igb.max_vfs=7,7,7,7 it 
> creates 7 vfs for each of my pfs.  So far so good.
>
> Now, how do I map from a given pf to the PCI addresses for the set of 
> vfs that are associated with it?  I don't have virsh installed, so is 
> there a way to query this with sysfs or something?
>

I think I found it.../sys/class/net/eth0/device/ has "virtfnX" entries 
which are symlinks to the appropriate pci address.

Chris
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