[dpdk-dev] rte_eth_dev_count() returns 0

[Bhavesh Davda]

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.

--
Bhavesh Davda

----- Original Message -----
> From: "Stephen Hemminger" <stephen at networkplumber.org>
> To: "Bhavesh Davda" <bhavesh at vmware.com>
> Cc: "Henry Wang" <wang_hr at neusoft.com>, dev at dpdk.org
> Sent: Friday, May 10, 2013 9:15:49 AM
> Subject: Re: [dpdk-dev] rte_eth_dev_count() returns 0
> 
> On Fri, 10 May 2013 09:05:08 -0700 (PDT)
> Bhavesh Davda <bhavesh at vmware.com> 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
>