[PATCH v2 0/3] firmware: arm_ffa: Add support to run inside a guest/VM under a hypervisor

[Jens Wiklander]

Hi Sudeep,

On Thu, Apr 11, 2024 at 2:57 PM Sudeep Holla <sudeep.holla at arm.com> wrote:
>
> Add support for running the driver inside a guest/VM under a hypervisor.
>
> The main difference include:
> 1. supporting introducing notification pending interrupt and
> 2. Avoiding creation of all the notification bitmaps as they must be
>    created by the hypervisor before the VM is initialised
>
> The guest may need to use a notification pending interrupt instead of
> or in addition to the schedule receiver interrupt.
>
> Signed-off-by: Sudeep Holla <sudeep.holla at arm.com>
> ---
> Hi Jens,
>
> This is almost identical to you single patch now. Just split into
> 3 patches with refactoring kept separate. Can you please check if
> this continues to work on your setup(unlikely to break anything).
> Once you confirm, I am happy to queue it.

Works for me:
Tested-by: Jens Wiklander <jens.wiklander at linaro.org>

Thanks,
Jens

>
> Regards,
> Sudeep
>
> Changes in v2:
> - Dropped the idea of SRI or NPI support
> - Added back both SRI and NPI to co-exist as in the original patch
>   from Jens
>   https://lore.kernel.org/all/20240325081335.2326979-1-jens.wiklander@linaro.org/
> - Link to v1: https://lore.kernel.org/r/20240410-ffa_npi_support-v1-0-1a5223391bd1@arm.com
>
> ---
> Jens Wiklander (2):
>       firmware: arm_ffa: Skip creation of the notification bitmaps
>       firmware: arm_ffa: Add support for handling notification pending interrupt(NPI)
>
> Sudeep Holla (1):
>       firmware: arm_ffa: Refactor SRI handling in prepartion to add NPI support
>
>  drivers/firmware/arm_ffa/driver.c | 128 ++++++++++++++++++++++++++------------
>  1 file changed, 87 insertions(+), 41 deletions(-)
> ---
> base-commit: 2c71fdf02a95b3dd425b42f28fd47fb2b1d22702
> change-id: 20240410-ffa_npi_support-98edfdcc4882
>
> Best regards,
> --
> Regards,
> Sudeep
>