From: Jakub Kicinski <kuba@kernel.org>
To: Akhila Kavi <akavi@axiado.com>
Cc: Sammai Chakravarthy <schakravarthy@axiado.com>,
Prasad Bolisetty <pbolisetty@axiado.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Tzu-Hao Wei <twei@axiado.com>,
Karthikeyan Mitran <kmitran@axiado.com>,
Jeremy Kerr <jk@codeconstruct.com.au>,
Matt Johnston <matt@codeconstruct.com.au>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org
Subject: Re: [PATCH net-next 0/2] net: mctp: Add MCTP transport for the Axiado AX3005 IRoT
Date: Thu, 5 Nov 2026 15:40:47 -0800 [thread overview]
Message-ID: <20261105154047.079c5eae@kernel.org> (raw)
In-Reply-To: <20261101-mctp-transport-irot-ax3005-v1-0-36ceb822f01e@axiado.com>
On Sun, 01 Nov 2026 06:00:56 -0800 Akhila Kavi wrote:
> The Axiado AX3005 SoC has an integrated root-of-trust (IRoT)
> co-processor next to the application processor. Security protocols such
> as SPDM and PLDM run between the two over MCTP. This series adds a
> transport for that link, so the host side uses ordinary AF_MCTP
> sockets.
>
> The link is built from two channels of the AX3005 mailbox controller,
> which is already supported (drivers/mailbox/axiado-mailbox.c, in the
> base of this series), and a no-map reserved-memory carve-out. The
> mailbox carries small doorbell and ACK messages. The packets
> themselves go through two windows in the carve-out, one per direction,
> which the IRoT firmware allocates and reports at probe time. Each
> direction has one packet in flight, and every packet is acknowledged
> with a counter.
>
> Patch 1 adds the devicetree binding and a MAINTAINERS entry.
> Patch 2 adds the driver.
net-next was still closed when you posted this. It only opened after:
https://lore.kernel.org/all/66b35989-9195-4e96-99bb-df383a52aa5d@redhat.com/
prev parent reply other threads:[~2026-11-05 23:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-01 14:00 [PATCH net-next 0/2] net: mctp: Add MCTP transport for the Axiado AX3005 IRoT Akhila Kavi
2026-11-01 14:00 ` [PATCH net-next 1/2] dt-bindings: net: Add Axiado AX3005 IRoT MCTP transport Akhila Kavi
2026-11-02 11:40 ` Krzysztof Kozlowski
2026-11-01 14:00 ` [PATCH net-next 2/2] net: mctp: Add Axiado AX3005 IRoT MCTP transport driver Akhila Kavi
2026-11-02 14:03 ` sashiko-bot
2026-11-05 13:56 ` Uwe Kleine-König
2026-11-02 2:55 ` [PATCH net-next 0/2] net: mctp: Add MCTP transport for the Axiado AX3005 IRoT Jeremy Kerr
2026-11-05 23:40 ` Jakub Kicinski [this message]
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