Re: [PATCH 17/32] KVM: s390: expose the guest Adapter Interruption Source ID facility

[Christian Borntraeger]

Am 07.12.21 um 21:57 schrieb Matthew Rosato:
> This facility will be used to enable forwarding of PCI interrupts from
> firmware directly to guests.
>
> Signed-off-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx>
> ---
>   arch/s390/kvm/kvm-s390.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
> index 09991d05c871..d44ca313a1b7 100644
> --- a/arch/s390/kvm/kvm-s390.c
> +++ b/arch/s390/kvm/kvm-s390.c
> @@ -2755,6 +2755,10 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
>   		set_kvm_facility(kvm->arch.model.fac_mask, 69);
>   		set_kvm_facility(kvm->arch.model.fac_list, 69);
>   	}
> +	if (sclp.has_aisii && test_facility(70)) {
> +		set_kvm_facility(kvm->arch.model.fac_mask, 70);
> +		set_kvm_facility(kvm->arch.model.fac_list, 70);
> +	}
>   
same as patch 16 (as well as 18)

>   	if (css_general_characteristics.aiv && test_facility(65))
>   		set_kvm_facility(kvm->arch.model.fac_mask, 65);