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-rw-r--r--include/kvm/arm_vgic.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 7d8e61fa9928..f074539c6ac5 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -140,9 +140,23 @@ struct vgic_dist {
/* Interrupt enabled (one bit per IRQ) */
struct vgic_bitmap irq_enabled;
- /* Interrupt state is pending on the distributor */
+ /* Level-triggered interrupt external input is asserted */
+ struct vgic_bitmap irq_level;
+
+ /*
+ * Interrupt state is pending on the distributor
+ */
struct vgic_bitmap irq_pending;
+ /*
+ * Tracks writes to GICD_ISPENDRn and GICD_ICPENDRn for level-triggered
+ * interrupts. Essentially holds the state of the flip-flop in
+ * Figure 4-10 on page 4-101 in ARM IHI 0048B.b.
+ * Once set, it is only cleared for level-triggered interrupts on
+ * guest ACKs (when we queue it) or writes to GICD_ICPENDRn.
+ */
+ struct vgic_bitmap irq_soft_pend;
+
/* Level-triggered interrupt queued on VCPU interface */
struct vgic_bitmap irq_queued;