[vfio-users] posted interrupts Xeon E5 v3, v4, Xeon D

globalgorrilla at fastmail.fm globalgorrilla at fastmail.fm
Wed Apr 13 05:05:12 UTC 2016

Perhaps this is the answer:

According to their data sheets (volume 2) both Xeon D and E5 v4 have 
posted_interrupts_support in vtd[0:1]_cap. E5 v3 does not.

On 12 Apr 2016, at 21:51, globalgorrilla at fastmail.fm wrote:

> Hello,
> Are there any differences between posted interrupt support in the Xeon 
> E5 v3, v4, and Xeon D? The latter two are Broadwell, but posted 
> (external) interrupts are touted with E5 v4 while (I think) VT-d 
> posted interrupts are already available in E5 v3.
> Thanks
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