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-rw-r--r--arch/x86/kvm/x86.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index c3fbe8c..a1f1461 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -993,6 +993,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_NOP_IO_DELAY:
case KVM_CAP_MP_STATE:
case KVM_CAP_SYNC_MMU:
+ case KVM_CAP_REINJECT_CONTROL:
r = 1;
break;
case KVM_CAP_COALESCED_MMIO:
@@ -1728,6 +1729,15 @@ static int kvm_vm_ioctl_set_pit(struct kvm *kvm, struct kvm_pit_state *ps)
return r;
}
+static int kvm_vm_ioctl_reinject(struct kvm *kvm,
+ struct kvm_reinject_control *control)
+{
+ if (!kvm->arch.vpit)
+ return -ENXIO;
+ kvm->arch.vpit->pit_state.pit_timer.reinject = control->pit_reinject;
+ return 0;
+}
+
/*
* Get (and clear) the dirty memory log for a memory slot.
*/
@@ -1925,6 +1935,17 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = 0;
break;
}
+ case KVM_REINJECT_CONTROL: {
+ struct kvm_reinject_control control;
+ r = -EFAULT;
+ if (copy_from_user(&control, argp, sizeof(control)))
+ goto out;
+ r = kvm_vm_ioctl_reinject(kvm, &control);
+ if (r)
+ goto out;
+ r = 0;
+ break;
+ }
default:
;
}
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