Re: [PATCH] VMD: Attach vmd resources to parent domain's resource tree

[Keith Busch]

On Tue, Feb 23, 2016 at 02:50:13PM -0700, Jon Derrick wrote:
> This patch attaches the new VMD domain's resources to the VMD device's
> resources. This allows /proc/iomem to display a more complete picture.
> 
> Before:
>   c0000000-c1ffffff : 0000:5d:05.5
>   c2000000-c3ffffff : 0000:5d:05.5
>     c2010000-c2013fff : nvme
>   c4000000-c40fffff : 0000:5d:05.5
> 
> After:
>   c0000000-c1ffffff : 0000:5d:05.5
>     c0000000-0000001f : VMD CFGBAR
>   c2000000-c3ffffff : 0000:5d:05.5
>     c2000000-c3ffffff : VMD MEMBAR1
>       c2000000-c22fffff : PCI Bus 10000:01
>         c2000000-c200ffff : 10000:01:00.0
>         c2010000-c2013fff : 10000:01:00.0
>           c2010000-c2013fff : nvme
>       c2300000-c24fffff : PCI Bus 10000:01
>   c4000000-c40fffff : 0000:5d:05.5
>     c4002000-c40fffff : VMD MEMBAR2

I think we should drop the CFGBAR from here since that's a bus resource
rather than IO memory. Otherwise, this looks good and useful.

I think in the near future we should come up with a better name than
"VMD MEMBAR" to help distinguish multiple VMD's in a system.