KVM: ARM: vgic: abstract MISR decoding
Instead of directly dealing with the GICH_MISR bits, move the code to
its own function and use a couple of public flags to represent the
actual state.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index ccb9b59..4857508 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -87,6 +87,7 @@
void (*sync_lr_elrsr)(struct kvm_vcpu *, int, struct vgic_lr);
u64 (*get_elrsr)(const struct kvm_vcpu *vcpu);
u64 (*get_eisr)(const struct kvm_vcpu *vcpu);
+ u32 (*get_interrupt_status)(const struct kvm_vcpu *vcpu);
};
struct vgic_dist {
@@ -165,6 +166,9 @@
#define LR_EMPTY 0xff
+#define INT_STATUS_EOI (1 << 0)
+#define INT_STATUS_UNDERFLOW (1 << 1)
+
struct kvm;
struct kvm_vcpu;
struct kvm_run;