[dpdk-dev] [PATCH] bus/pci: support segment value as address domain on Windows
Tal Shnaiderman
talshn at nvidia.com
Sun Sep 13 16:50:45 CEST 2020
> Subject: Re: [PATCH] bus/pci: support segment value as address domain on
> Windows
>
> Thanks for the explanation, Tal.
>
> I had always been curious how Windows stores the PCIe segment (domain)
> number.
>
> On VMs hosted on Hyper-V, the VF segment numbers are always in the high
> 16-bit values.
>
> Is this documented somewhere, or did you find this by experimentation?
>
Hi Ranjit,
I didn’t find documentation on it.
I found it by experimentation on a Windows VM with several VFs using the same virtual switch, Linux VFs showed the same behavior but they are being detected using the domain value which is different.
>
> ranjit m.
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