[PATCH v9 3/7] firmware: arm_rmm: Move RSI support out of arch/arm64

[Suzuki K Poulose]

On 05/08/2026 07:32, Aneesh Kumar K.V (Arm) wrote:
> The RSI SMCCC function IDs describe a firmware ABI and are not arm64
> architecture specific definitions. Follow-up changes need to use them from
> non-arch code, including drivers/firmware/smccc and the Arm CCA guest
> driver.
> 
> Move the complete Realm Service Interface (RSI) implementation from
> arch/arm64 to drivers/firmware/arm_rmm. The RSI SMCCC definitions and
> command helpers are also moved to include/linux so they can be shared by
> architecture code and firmware or driver code. This also keeps the
> firmware interface outside architecture code, as requested [1].
> 
> [1] https://lore.kernel.org/all/agsNO9cc7H-b0H8L@willie-the-truck
> 
> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar at kernel.org>
Acked-by: Suzuki K Poulose <suzuki.poulose at arm.com>