From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public.gmane.org>
Subject: Re: rte_eth_dev_count() returns 0
Date: Fri, 10 May 2013 09:15:49 -0700
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Cc: Henry Wang <wang_hr-YYSg24PYQUdBDgjK7y7TUQ@public.gmane.org>, dev-VfR2kkLFssw@public.gmane.org
To: Bhavesh Davda <bhavesh-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org>
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On Fri, 10 May 2013 09:05:08 -0700 (PDT)
Bhavesh Davda <bhavesh-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org> wrote:

> ESXi 5.0 doesn't have SR-IOV support (it's in the code, but is disabled and not usable for customers). VMware introduced SR-IOV support, including out of the box support for Intel Niantic 10GbE NICs, in ESXi 5.1. 
> 

You can use PCI passthrough (Directpath) on 5.0 (and 5.1).
I found that SR-IOV on Vmware is even more fussy than SR-IOV on Linux.
It requires a supported platform with VT-d and PCIe ASPM.