[RFC PATCH v4 00/14] coco/TSM: Host-side Arm CCA IDE setup via connect/disconnect callbacks

[Suzuki K Poulose]

On 18/05/2026 13:59, Will Deacon wrote:
> On Mon, Apr 27, 2026 at 12:21:07PM +0530, Aneesh Kumar K.V (Arm) wrote:
>>   arch/arm64/include/asm/rmi_cmds.h         |  85 +++
>>   arch/arm64/include/asm/rmi_smc.h          | 168 +++++
> 
> Curious, but why does this stuff have to live in the arch code? Wouldn't
> it be better off somewhere like drivers/firmware/ or
> include/linux/arm-rmi.h?

Good point. RMI interface is only available for arm64 (not in Arm32). 
That said, it is indeed a firmware ! ;-) interface. The APIs are closely
integrated with the KVM Realm management. If the general consensus is
to move them under drivers/firmware (like PSCI), we could take that
approach.

Suzuki

> 
> Will