KVM: pending irq save/restore

[karo-tx-linux.git] / drivers / kvm / vmx.c

diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 7ec8cf84e6eaf1c26e569cb5d3f046dd584d2be3..6c371ea210469b9e3f505973eb1b5b65256a3f25 100644 (file)
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -790,6 +790,20 @@ static int set_guest_debug(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg)
        return 0;
 }
 
+static int vmx_get_irq(struct kvm_vcpu *vcpu)
+{
+       u32 idtv_info_field;
+
+       idtv_info_field = vmcs_read32(IDT_VECTORING_INFO_FIELD);
+       if (idtv_info_field & INTR_INFO_VALID_MASK) {
+               if (is_external_interrupt(idtv_info_field))
+                       return idtv_info_field & VECTORING_INFO_VECTOR_MASK;
+               else
+                       printk("pending exception: not handled yet\n");
+       }
+       return -1;
+}
+
 static __init int cpu_has_kvm_support(void)
 {
        unsigned long ecx = cpuid_ecx(1);
@@ -2500,6 +2514,8 @@ static struct kvm_arch_ops vmx_arch_ops = {
        .run = vmx_vcpu_run,
        .skip_emulated_instruction = skip_emulated_instruction,
        .patch_hypercall = vmx_patch_hypercall,
+       .get_irq = vmx_get_irq,
+       .set_irq = vmx_inject_irq,
 };
 
 static int __init vmx_init(void)