KVM: Move assigned device code to own file

Signed-off-by: Avi Kivity <avi@redhat.com>

include/linux/kvm_host.h

@@ -581,12 +581,13 @@ static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu)
 
 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 
-long kvm_assigned_dev_ioctl(struct kvm *kvm, unsigned ioctl, unsigned long arg);
+long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
+				  unsigned long arg);
 
 #else
 
-static inline
-long kvm_assigned_dev_ioctl(struct kvm *kvm, unsigned ioctl, unsigned long arg)
+static inline long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
+						unsigned long arg)
 {
 	return -ENOTTY;
 }

virt/kvm/kvm_main.c

@@ -1493,7 +1493,7 @@ static long kvm_vm_ioctl(struct file *filp,
 	default:
 		r = kvm_arch_vm_ioctl(filp, ioctl, arg);
 		if (r == -ENOTTY)
-			r = kvm_assigned_dev_ioctl(kvm, ioctl, arg);
+			r = kvm_vm_ioctl_assigned_device(kvm, ioctl, arg);
 	}
 out:
 	return r;