lkml.org 
[lkml]   [2022]   [Jan]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] PCI: ACPI: Allow internal devices to be marked as untrusted
On Mon, Jan 24, 2022 at 08:27:17AM +0200, Mika Westerberg wrote:
> > > This patch introduces a new "UntrustedDevice" property that can be used
> > > by the firmware to mark any device as untrusted.
>
> I think this new property should be documented somewhere too (also
> explain when to use it instead of ExternalFacingPort). If not in the
> next ACPI spec or some supplemental doc then perhaps in the DT bindings
> under Documentation/devicetree/bindings.

Actually Microsoft has similar already:

https://docs.microsoft.com/en-us/windows-hardware/drivers/pci/dsd-for-pcie-root-ports#identifying-internal-pcie-ports-accessible-to-users-and-requiring-dma-protection

I think we should use that too here.

\
 
 \ /
  Last update: 2022-01-25 12:02    [W:0.181 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site