From: Stuart Henderson <stu@spacehopper.org>
Subject: Re: 64-bit DMA
To: Vitaliy Makkoveev <mvs@openbsd.org>
Cc: tech@openbsd.org
Date: Wed, 25 Feb 2026 13:00:06 +0000

On 2026/02/25 12:50, Vitaliy Makkoveev wrote:
> re(4) supports 64-bit DMA. Tested with
> 
> re0 at pci3 dev 0 function 0 "Realtek 8168" rev 0x11: RTL8168G/8111G
> (0x4c00), msi

re(4) is pretty common and there are 60+ variants in dmesglog spanning
many generations/years (mostly pci but also some cardbus), I think it's
optimistic to hope that all will do 64-bit DMA