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Date: Fri, 10 May 2013 11:44:50 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Bhavesh Davda <bhavesh@vmware.com>
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Cc: Henry Wang <wang_hr@neusoft.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] rte_eth_dev_count() returns 0
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On Fri, 10 May 2013 09:21:36 -0700 (PDT)
Bhavesh Davda <bhavesh@vmware.com> wrote:

> Right: VMware has supported VMDirectPath passthrough since ESXi 4.0, on any platform with an IOMMU (Intel VT-d) which is anything Nehalem Xeons or newer.
> 
> I know this is a DPDK forum, but Stephen, if you know of specific limitations of ESXi 5.1's SR-IOV support, please let me know and I'll make sure we work on addressing them.

I had trouble getting it to work on a white box ASUS motherboard. It seems the MB didn't
support PCIe power management ASPM. And Intel confirmed that was required by Vmware.
Linux didn't care if ASPM wasn't available and worked fine with SR-IOV.