Add a new has_gicv4 field in the global VGIC state that indicates
whether the HW is GICv4 capable, as a per-VM predicate indicating
if there is a possibility for a VM to support direct injection
(the above being true and the VM having an ITS).
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
/* Only needed for the legacy KVM_CREATE_IRQCHIP */
bool can_emulate_gicv2;
+ /* Hardware has GICv4? */
+ bool has_gicv4;
+
/* GIC system register CPU interface */
struct static_key_false gicv3_cpuif;
return dist->has_its;
}
+bool vgic_supports_direct_msis(struct kvm *kvm)
+{
+ return kvm_vgic_global_state.has_gicv4 && vgic_has_its(kvm);
+}
+
static unsigned long vgic_mmio_read_v3_misc(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len)
{
u32 devid, u32 eventid, struct vgic_irq **irq);
struct vgic_its *vgic_msi_to_its(struct kvm *kvm, struct kvm_msi *msi);
+bool vgic_supports_direct_msis(struct kvm *kvm);
+
#endif