KVM: Add a pending interrupt queue
Similar to the exception queue, this hold interrupts that have been
accepted by the virtual processor core but not yet injected.
Not yet used.
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index c666649..6a4be78 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -8,4 +8,15 @@
vcpu->arch.exception.pending = false;
}
+static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector)
+{
+ vcpu->arch.interrupt.pending = true;
+ vcpu->arch.interrupt.nr = vector;
+}
+
+static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu)
+{
+ vcpu->arch.interrupt.pending = false;
+}
+
#endif
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 7cf69fd..65c6a0e 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -275,6 +275,11 @@
u32 error_code;
} exception;
+ struct kvm_queued_interrupt {
+ bool pending;
+ u8 nr;
+ } interrupt;
+
struct {
int active;
u8 save_iopl;