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From: John Baldwin <jhb@freebsd.org>
To: freebsd-arch@freebsd.org
Subject: Re: RFC: PCI SR-IOV Driver interface
Date: Wed, 7 May 2014 11:50:03 -0400
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 (bigwig.baldwin.cx); Wed, 07 May 2014 14:34:34 -0400 (EDT)
Cc: Ryan Stone <rysto32@gmail.com>
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On Tuesday, May 06, 2014 5:40:38 pm Ryan Stone wrote:
> PCI Single Root I/O Virtualization (SR-IOV) is an optional part of the
> PCIe standard that provides hardware acceleration for the
> virtualization of PCIe devices. When SR-IOV is in use, a function in a
> PCI device (known as a Physical Function, or PF) will present multiple
> Virtual PCI Functions (VF) on the PCI bus. These VFs are fully
> independent PCI devices that have access to the resources of the PF.
> For example, on a network interface card, VFs could transmit and
> receive packets independent of the PF.

[ Trimmed ]

I think your design here sounds fine.  I would just explode the typedef
and use 'struct nvlist' or whatever it is directly to avoid the header
pollution.

-- 
John Baldwin