Re: [PATCH v4 20/21] KVM: arm64: Export SDEI capability

[Gavin Shan]

On 11/10/21 9:55 PM, Eric Auger wrote:
> On 8/15/21 2:13 AM, Gavin Shan wrote:
> > The SDEI functionality is ready to be exported so far. This adds
> > new capability (KVM_CAP_ARM_SDEI) and exports it.
>
> Need to be documented in
> kvm/api.rst
> as the rest of the API

Ok, Thanks, Eric :)


> > Signed-off-by: Gavin Shan <gshan@xxxxxxxxxx>
> > ---
> >   arch/arm64/kvm/arm.c     | 3 +++
> >   include/uapi/linux/kvm.h | 1 +
> >   2 files changed, 4 insertions(+)
> >
> > diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
> > index 215cdbeb272a..7d9bbc888ae5 100644
> > --- a/arch/arm64/kvm/arm.c
> > +++ b/arch/arm64/kvm/arm.c
> > @@ -278,6 +278,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
> >   	case KVM_CAP_ARM_PTRAUTH_GENERIC:
> >   		r = system_has_full_ptr_auth();
> >   		break;
> > +	case KVM_CAP_ARM_SDEI:
> > +		r = 1;
> > +		break;
> >   	default:
> >   		r = 0;
> >   	}
> > diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
> > index 8cf41fd4bf86..2aa748fd89c7 100644
> > --- a/include/uapi/linux/kvm.h
> > +++ b/include/uapi/linux/kvm.h
> > @@ -1112,6 +1112,7 @@ struct kvm_ppc_resize_hpt {
> >   #define KVM_CAP_BINARY_STATS_FD 203
> >   #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
> >   #define KVM_CAP_ARM_MTE 205
> > +#define KVM_CAP_ARM_SDEI 206
> >   
> >   #ifdef KVM_CAP_IRQ_ROUTING
> >   
> Eric