The is_rar_requested method returns whether a RAR event is pending.
The ack_rar method acknowledges RAR interrupt.
SIM_INTERFACE(x86_rar_interrupt) {
bool (*is_rar_requested)(conf_object_t *obj);
int (*ack_rar)(conf_object_t *obj);
};
#define X86_RAR_INTERRUPT_INTERFACE "x86_rar_interrupt"