Re: [XEN PATCH v5 4/7] xen/arm: allow dynamically assigned SGI handlers

[Julien Grall <julien@xxxxxxx>]

Hi Jens,

On 29/05/2024 08:25, Jens Wiklander wrote:
> Updates so request_irq() can be used with a dynamically assigned SGI irq
> as input. This prepares for a later patch where an FF-A schedule
> receiver interrupt handler is installed for an SGI generated by the
> secure world.
>
>  From the Arm Base System Architecture v1.0C [1]:
> "The system shall implement at least eight Non-secure SGIs, assigned to
> interrupt IDs 0-7."
>
> gic_route_irq_to_xen() don't gic_set_irq_type() for SGIs since they are
> always edge triggered.
>
> gic_interrupt() is updated to route the dynamically assigned SGIs to
> do_IRQ() instead of do_sgi(). The latter still handles the statically
> assigned SGI handlers like for instance GIC_SGI_CALL_FUNCTION.
>
> [1] https://developer.arm.com/documentation/den0094/
>
> Signed-off-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
Acked-by: Julien Grall <jgrall@xxxxxxxxxx>

Cheers,

--
Julien Grall