This supports SDEI_PE_{MASK, UNMASK} hypercall. They are used by
guest to stop or start receiving event on the specified vcpu.Signed-off-by: Gavin Shan <[email protected]> --- arch/arm64/kvm/sdei.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/kvm/sdei.c b/arch/arm64/kvm/sdei.c index 9e642d01e303..3aca36e7e27b 100644 --- a/arch/arm64/kvm/sdei.c +++ b/arch/arm64/kvm/sdei.c @@ -340,6 +340,18 @@ static unsigned long hypercall_info(struct kvm_vcpu *vcpu) return ret; } +static unsigned long hypercall_mask(struct kvm_vcpu *vcpu, bool mask) +{ + struct kvm_sdei_vcpu *vsdei = vcpu->arch.sdei; + unsigned long ret = SDEI_SUCCESS; + + spin_lock(&vsdei->lock); + vsdei->masked = mask ? 1 : 0; + spin_unlock(&vsdei->lock); + + return ret; +} + int kvm_sdei_call(struct kvm_vcpu *vcpu) { struct kvm_sdei_vcpu *vsdei = vcpu->arch.sdei; @@ -382,6 +394,12 @@ int kvm_sdei_call(struct kvm_vcpu *vcpu) case SDEI_1_0_FN_SDEI_EVENT_GET_INFO: ret = hypercall_info(vcpu); break; + case SDEI_1_0_FN_SDEI_PE_MASK: + ret = hypercall_mask(vcpu, true); + break; + case SDEI_1_0_FN_SDEI_PE_UNMASK: + ret = hypercall_mask(vcpu, false); + break; default: ret = SDEI_NOT_SUPPORTED; } -- 2.23.0 _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
