Re: [PATCH net-next 0/2] net: mctp: Add MCTP transport for the Axiado AX3005 IRoT

[Jakub Kicinski]

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@xxxxxxxxxx/