Re: [Qemu-devel] [Qemu-ppc] [PATCH 2/2] spapr: change default interrupt mode to 'dual'

[Greg Kurz <groug@kaod.org>]

On Wed, 22 May 2019 09:40:16 +0200
Cédric Le Goater <clg@kaod.org> wrote:

> Now that XIVE support is complete (QEMU emulated and KVM devices),
> change the pseries machine to advertise both interrupt modes: XICS
> (P7/P8) and XIVE (P9).
> 
> The machine default interrupt modes depends on the version. Current
> settings are:
> 
>     pseries   default interrupt mode
> 
>     4.1       dual
>     4.0       xics
>     3.1       xics
>     3.0       legacy xics (different IRQ number space layout)
> 
> Signed-off-by: Cédric Le Goater <clg@kaod.org>
> ---

At last ! :)

Reviewed-by: Greg Kurz <groug@kaod.org>

>  hw/ppc/spapr.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 39e698e9b013..4fd16b43f014 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -4352,7 +4352,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
>      smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_ON;
>      smc->default_caps.caps[SPAPR_CAP_CCF_ASSIST] = SPAPR_CAP_OFF;
>      spapr_caps_add_properties(smc, &error_abort);
> -    smc->irq = &spapr_irq_xics;
> +    smc->irq = &spapr_irq_dual;
>      smc->dr_phb_enabled = true;
>  }
>  
> @@ -4430,6 +4430,7 @@ static void spapr_machine_4_0_class_options(MachineClass *mc)
>      spapr_machine_4_1_class_options(mc);
>      compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
>      smc->phb_placement = phb_placement_4_0;
> +    smc->irq = &spapr_irq_xics;
>  }
>  
>  DEFINE_SPAPR_MACHINE(4_0, "4.0", false);