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Date:	Wed, 05 Dec 2012 16:44:39 -0800
From:	Ben Greear <>
To:	Brice Goglin <>
Subject: Re: Should we report bus width/speed via ethtool?

On 12/05/2012 04:20 PM, Brice Goglin wrote:
> Le 05/12/2012 16:01, David Miller a écrit :
>> lspci might be a good place to figure this out :-) It's probably
>> grovelling around in PCI config space to determine these things.
> Right, it looks from PCI_EXP_LNKSTA in the config space (only works as
> root). Here's how we do the same in hwloc (using the pciutils lib
> underneath):

Thanks..but it seems easier to just parse the text output of lspci -vvv


Ben Greear <>
Candela Technologies Inc

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