Index: head/sys/dev/sfxge/common/efsys.h
===================================================================
--- head/sys/dev/sfxge/common/efsys.h
+++ head/sys/dev/sfxge/common/efsys.h
@@ -293,6 +293,8 @@
 
 #define	EFSYS_OPT_DECODE_INTR_FATAL 1
 
+#define	EFSYS_OPT_LICENSING 0
+
 /* ID */
 
 typedef struct __efsys_identifier_s	efsys_identifier_t;
Index: head/sys/dev/sfxge/common/efx.h
===================================================================
--- head/sys/dev/sfxge/common/efx.h
+++ head/sys/dev/sfxge/common/efx.h
@@ -2291,6 +2291,57 @@
 	__in			size_t length,
 	__in			uint32_t init);
 
+#if EFSYS_OPT_LICENSING
+
+/* LICENSING */
+
+typedef struct efx_key_stats_s {
+	uint32_t	eks_valid;
+	uint32_t	eks_invalid;
+	uint32_t	eks_blacklisted;
+	uint32_t	eks_unverifiable;
+	uint32_t	eks_wrong_node;
+	uint32_t	eks_licensed_apps_lo;
+	uint32_t	eks_licensed_apps_hi;
+	uint32_t	eks_licensed_features_lo;
+	uint32_t	eks_licensed_features_hi;
+} efx_key_stats_t;
+
+extern	__checkReturn		efx_rc_t
+efx_lic_init(
+	__in			efx_nic_t *enp);
+
+extern				void
+efx_lic_fini(
+	__in			efx_nic_t *enp);
+
+extern	__checkReturn	efx_rc_t
+efx_lic_update_licenses(
+	__in		efx_nic_t *enp);
+
+extern	__checkReturn	efx_rc_t
+efx_lic_get_key_stats(
+	__in		efx_nic_t *enp,
+	__out		efx_key_stats_t *ksp);
+
+extern	__checkReturn	efx_rc_t
+efx_lic_app_state(
+	__in		efx_nic_t *enp,
+	__in		uint64_t app_id,
+	__out		boolean_t *licensedp);
+
+extern	__checkReturn	efx_rc_t
+efx_lic_get_id(
+	__in		efx_nic_t *enp,
+	__in		size_t buffer_size,
+	__out		uint32_t *typep,
+	__out		size_t *lengthp,
+	__out_opt	uint8_t *bufferp);
+
+
+#endif	/* EFSYS_OPT_LICENSING */
+
+
 
 #ifdef	__cplusplus
 }
Index: head/sys/dev/sfxge/common/efx_check.h
===================================================================
--- head/sys/dev/sfxge/common/efx_check.h
+++ head/sys/dev/sfxge/common/efx_check.h
@@ -401,4 +401,15 @@
 # endif
 #endif /* EFSYS_OPT_BIST */
 
+/* Support MCDI licensing API */
+#if EFSYS_OPT_LICENSING
+# if !EFSYS_OPT_MCDI
+#  error "LICENSING requires MCDI"
+# endif
+# if !EFSYS_HAS_UINT64
+#  error "LICENSING requires UINT64"
+# endif
+#endif /* EFSYS_OPT_LICENSING */
+
+
 #endif /* _SYS_EFX_CHECK_H */
Index: head/sys/dev/sfxge/common/efx_impl.h
===================================================================
--- head/sys/dev/sfxge/common/efx_impl.h
+++ head/sys/dev/sfxge/common/efx_impl.h
@@ -84,6 +84,7 @@
 #define	EFX_MOD_WOL		0x00000800
 #define	EFX_MOD_FILTER		0x00001000
 #define	EFX_MOD_PKTFILTER	0x00002000
+#define	EFX_MOD_LIC		0x00004000
 
 #define	EFX_RESET_MAC		0x00000001
 #define	EFX_RESET_PHY		0x00000002
@@ -587,6 +588,18 @@
 
 #endif /* EFSYS_OPT_VPD || EFSYS_OPT_NVRAM */
 
+#if EFSYS_OPT_LICENSING
+
+typedef struct efx_lic_ops_s {
+	efx_rc_t	(*elo_update_licenses)(efx_nic_t *);
+	efx_rc_t	(*elo_get_key_stats)(efx_nic_t *, efx_key_stats_t *);
+	efx_rc_t	(*elo_app_state)(efx_nic_t *, uint64_t, boolean_t *);
+	efx_rc_t	(*elo_get_id)(efx_nic_t *, size_t, uint32_t *,
+				      size_t *, uint8_t *);
+} efx_lic_ops_t;
+
+#endif
+
 typedef struct efx_drv_cfg_s {
 	uint32_t		edc_min_vi_count;
 	uint32_t		edc_max_vi_count;
@@ -636,6 +649,9 @@
 	uint32_t		en_rss_context;
 #endif	/* EFSYS_OPT_RX_SCALE */
 	uint32_t		en_vport_id;
+#if EFSYS_OPT_LICENSING
+	efx_lic_ops_t		*en_elop;
+#endif
 	union {
 #if EFSYS_OPT_FALCON
 		struct {
Index: head/sys/dev/sfxge/common/efx_nic.c
===================================================================
--- head/sys/dev/sfxge/common/efx_nic.c
+++ head/sys/dev/sfxge/common/efx_nic.c
@@ -665,8 +665,9 @@
 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
 	EFSYS_ASSERT(enp->en_mod_flags & EFX_MOD_PROBE);
 	/*
-	 * All modules except the MCDI, PROBE, NVRAM, VPD, MON (which we
-	 * do not reset here) must have been shut down or never initialized.
+	 * All modules except the MCDI, PROBE, NVRAM, VPD, MON, LIC
+	 * (which we do not reset here) must have been shut down or never
+	 * initialized.
 	 *
 	 * A rule of thumb here is: If the controller or MC reboots, is *any*
 	 * state lost. If it's lost and needs reapplying, then the module
@@ -674,7 +675,7 @@
 	 */
 	mod_flags = enp->en_mod_flags;
 	mod_flags &= ~(EFX_MOD_MCDI | EFX_MOD_PROBE | EFX_MOD_NVRAM |
-		    EFX_MOD_VPD | EFX_MOD_MON);
+		    EFX_MOD_VPD | EFX_MOD_MON | EFX_MOD_LIC);
 	EFSYS_ASSERT3U(mod_flags, ==, 0);
 	if (mod_flags != 0) {
 		rc = EINVAL;