KVM: Let ioapic know the irq line status

Userspace may deliver RTC interrupt without query the status. So we
want to track RTC EOI for this case.

Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 20d77d24d764..4a76aca31478 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -292,7 +292,8 @@ struct kvm_kernel_irq_routing_entry {
         u32 gsi;
         u32 type;
         int (*set)(struct kvm_kernel_irq_routing_entry *e,
-                   struct kvm *kvm, int irq_source_id, int level);
+                   struct kvm *kvm, int irq_source_id, int level,
+                   bool line_status);
         union {
                 struct {
                         unsigned irqchip;
@@ -591,7 +592,8 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
 
 int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
                                    struct kvm_userspace_memory_region *mem);
-int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level);
+int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,
+                        bool line_status);
 long kvm_arch_vm_ioctl(struct file *filp,
                        unsigned int ioctl, unsigned long arg);
 
@@ -722,10 +724,11 @@ void kvm_get_intr_delivery_bitmask(struct kvm_ioapic *ioapic,
                                    union kvm_ioapic_redirect_entry *entry,
                                    unsigned long *deliver_bitmask);
 #endif
-int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level);
+int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level,
+                bool line_status);
 int kvm_set_irq_inatomic(struct kvm *kvm, int irq_source_id, u32 irq, int level);
 int kvm_set_msi(struct kvm_kernel_irq_routing_entry *irq_entry, struct kvm *kvm,
-                int irq_source_id, int level);
+                int irq_source_id, int level, bool line_status);
 bool kvm_irq_has_notifier(struct kvm *kvm, unsigned irqchip, unsigned pin);
 void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin);
 void kvm_register_irq_ack_notifier(struct kvm *kvm,