[RFC PATCH 2/2] kvm: add new cap KVM_CAP_GSI_EVENTFD

[Peter Xu <peterx@redhat.com>]

This is corresponding capability bit for the newly introduced
KVM_GSI_ROUTING_EVENTFD type. Currently it only works for x86.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 arch/x86/kvm/x86.c       | 1 +
 include/uapi/linux/kvm.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 51ccfe0..73428029 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2633,6 +2633,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 	case KVM_CAP_DISABLE_QUIRKS:
 	case KVM_CAP_SET_BOOT_CPU_ID:
  	case KVM_CAP_SPLIT_IRQCHIP:
+	case KVM_CAP_GSI_EVENTFD:
 #ifdef CONFIG_KVM_DEVICE_ASSIGNMENT
 	case KVM_CAP_ASSIGN_DEV_IRQ:
 	case KVM_CAP_PCI_2_3:
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index efe530c..7e7854d 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -871,6 +871,7 @@ struct kvm_ppc_smmu_info {
 #define KVM_CAP_S390_USER_INSTR0 130
 #define KVM_CAP_MSI_DEVID 131
 #define KVM_CAP_PPC_HTM 132
+#define KVM_CAP_GSI_EVENTFD 133
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
-- 
2.7.4