+#if EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10()
+
+LIBEFX_INTERNAL
+extern __checkReturn efx_rc_t
+efx_mcdi_init_evq(
+ __in efx_nic_t *enp,
+ __in unsigned int instance,
+ __in efsys_mem_t *esmp,
+ __in size_t nevs,
+ __in uint32_t irq,
+ __in uint32_t us,
+ __in uint32_t flags,
+ __in boolean_t low_latency);
+
+LIBEFX_INTERNAL
+extern __checkReturn efx_rc_t
+efx_mcdi_fini_evq(
+ __in efx_nic_t *enp,
+ __in uint32_t instance);
+
+#endif /* EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10() */
+