Re: [PATCH v6 09/18] PCI/P2PDMA: Route Relaxed Ordering Completions directly

[Logan Gunthorpe]

On 2026-09-14 05:22, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxx>
> 
> ACS P2P Completion Redirect leaves Completions carrying the Relaxed
> Ordering attribute alone. PCIe r7.0 sec 6.12.1.1 redirects only those "that
> do not have the Relaxed Ordering Attribute bit set", and sec 7.7.12.5
> describes the enable bit as "applicable only to Completions whose Relaxed
> Ordering Attribute is clear". P2PDMA reports one answer for every kind of
> TLP, so a client whose provider returns such Completions is sent through
> the host bridge for a redirect that never happens to it.
> 
> Add enum pci_p2pdma_tlp_flags and let a caller state that property.
> 
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>

Reviewed-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>