Re: [PATCH 2/2] pnv/psi: Initialize the PSIHB interrupts to match hardware

[Cédric Le Goater]

On 6/30/23 16:42, Frederic Barrat wrote:
> On P9/P10, the PSIHB interrupts are initialized with a PQ state of
> 0b01, i.e. interrupts are disabled. However the real hardware
> initializes them to 0b00 for the PSIHB. This patch updates it, in case
> an hypervisor is in the mood of checking it.
>
> Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>


Reviewed-by: Cédric Le Goater <clg@kaod.org>

Thanks,

C.


> ---
>   hw/ppc/pnv_psi.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c
> index 46da58dff8..f232935d27 100644
> --- a/hw/ppc/pnv_psi.c
> +++ b/hw/ppc/pnv_psi.c
> @@ -863,6 +863,8 @@ static void pnv_psi_power9_realize(DeviceState *dev, Error 
> **errp)
>       object_property_set_int(OBJECT(xsrc), "nr-irqs", PSIHB9_NUM_IRQS,
>                               &error_fatal);
>       object_property_set_link(OBJECT(xsrc), "xive", OBJECT(psi), &error_abort);
> +    object_property_set_int(OBJECT(xsrc), "pq-init", XIVE_ESB_RESET,
> +                            &error_abort);
>       if (!qdev_realize(DEVICE(xsrc), NULL, errp)) {
>           return;
>       }