On 5/27/26 14:36, Jason Gunthorpe wrote: > On Wed, May 27, 2026 at 02:23:46PM +0200, Christian König wrote: > >> Yeah that's a good point, I should probably rephrase the question. >> >> I'm aware of how TPH works by adding the extra ST to the TLP. >> >> But my question is how is that useful to a PCIe endpoint? What is the effect >> of the ST here? > > TBH I've never heard Meta explain what their device is doing with > it. At least it seems to be super important to their device..
Yeah I think at least a brief description of what is going on here would be necessary for the review. Otherwise we have only the info that the exporter wants to give an opaque ST for the importer to use and no technical description what that is good for, how to test it etc... Regards, Christian. > > Jason
