From: Bjorn Helgaas <helgaas@kernel.org>
To: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
Grant.Likely@arm.com, linux-pci@vger.kernel.org,
Jeremy.Linton@arm.com, robh+dt@kernel.org, Robin.Murphy@arm.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/2] PCI: Describe external-facing ports in device tree
Date: Tue, 9 Apr 2019 18:11:11 -0500 [thread overview]
Message-ID: <20190409231111.GE256045@google.com> (raw)
In-Reply-To: <20190402131548.41949-1-jean-philippe.brucker@arm.com>
On Tue, Apr 02, 2019 at 02:15:46PM +0100, Jean-Philippe Brucker wrote:
> Since v1 [1], I improved the wording of patch 1/2 as suggested by Bjorn.
>
> Add an "external-facing" property to PCI ports in device-tree, to help
> identify untrusted devices. The notion of untrusted PCI devices was
> added to the v5.0 kernel to describe devices that should have strict
> IOMMU protection [2], for example devices that are plugged in a
> Thunderbolt port. ACPI systems use the ExternalFacingPort property [3].
> Add an equivalent mechanism to device tree.
>
> [1] https://lore.kernel.org/linux-pci/20190318182124.53859-1-jean-philippe.brucker@arm.com/
> [2] https://lkml.org/lkml/2018/11/26/631
> [3] https://docs.microsoft.com/en-us/windows-hardware/drivers/pci/dsd-for-pcie-root-ports#identifying-externally-exposed-pcie-root-ports
>
> Jean-Philippe Brucker (2):
> dt-bindings: Add external-facing PCIe port property
> PCI: OF: Support external-facing property
Applied to pci/enumeration for v5.2, with reviewed-by from Robin and Grant
and from Rob (patch 2 only), thanks!
> Documentation/devicetree/bindings/pci/pci.txt | 50 +++++++++++++++++++
> drivers/pci/of.c | 3 ++
> 2 files changed, 53 insertions(+)
>
> --
> 2.21.0
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
prev parent reply other threads:[~2019-04-09 23:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-02 13:15 [PATCH v2 0/2] PCI: Describe external-facing ports in device tree Jean-Philippe Brucker
2019-04-02 13:15 ` [PATCH v2 1/2] dt-bindings: Add external-facing PCIe port property Jean-Philippe Brucker
2019-04-05 21:39 ` Robin Murphy
2019-04-06 6:06 ` Rob Herring
2019-04-02 13:15 ` [PATCH v2 2/2] PCI: OF: Support external-facing property Jean-Philippe Brucker
2019-04-05 21:18 ` Bjorn Helgaas
2019-04-05 21:28 ` Robin Murphy
2019-04-06 19:42 ` [PATCH v2 0/2] PCI: Describe external-facing ports in device tree Grant Likely
2019-04-09 23:11 ` Bjorn Helgaas [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190409231111.GE256045@google.com \
--to=helgaas@kernel.org \
--cc=Grant.Likely@arm.com \
--cc=Jeremy.Linton@arm.com \
--cc=Robin.Murphy@arm.com \
--cc=devicetree@vger.kernel.org \
--cc=jean-philippe.brucker@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-pci@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=robh+dt@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).