Re: [PATCH 03/13] PCI/P2PDMA: Document the Address Type assumption

[Logan Gunthorpe]

On 2026-08-02 09:09, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@xxxxxxxxxx>
> 
> P2PDMA selects a mapping from the ACS controls that govern Requests
> carrying an Untranslated address. PCIe r7.0, sec 6.12.3 routes a Request
> carrying a Translated address directly to the peer whenever ACS Direct
> Translated P2P is enabled, regardless of P2P Request Redirect and P2P
> Egress Control.
> 
> An ATS capable client can therefore reach the peer on the direct path
> whichever mapping is selected. Record that assumption.
> 
> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>

LGTM

Reviewed-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>