Re: port-arm/57643: aarch64: smmu(4) seems mandatory for some SoC and/or memory configuration

[Taylor R Campbell <riastradh%NetBSD.org@localhost>]

The following reply was made to PR port-arm/57643; it has been noted by GNATS.

From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: port-arm-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Subject: Re: port-arm/57643: aarch64: smmu(4) seems mandatory for some SoC and/or memory configuration
Date: Wed, 4 Oct 2023 13:25:46 +0000

 > Date: Wed,  4 Oct 2023 06:55:00 +0000 (UTC)
 > From: rokuyama.rk%gmail.com@localhost
 > 
 > (2) Import smmu(4) from OpenBSD. But, don't we need to have MI
 >     frameworks for IOMMUs?
 
 Isn't that what bus_dma is all about?  What other framework is needed?