MFC r293901,r294371

sfxge: add accessors for license-related MCDI calls to common code

Add support for Huntington MCDI licensing interface to common code.
Ported from Linux net driver IOCTL functions with restructuring for
initial support for V3 licensing API.

Submitted by:   Richard Houldsworth <rhouldsworth at solarflare.com>
Reviewed by:    gnn
Sponsored by:   Solarflare Communications, Inc.

6 files changed, 878 insertions, 3 deletions

diff --git a/sys/dev/sfxge/common/efsys.h b/sys/dev/sfxge/common/efsys.h
index 7bc1fe0..14238ad 100644
--- a/sys/dev/sfxge/common/efsys.h
+++ b/sys/dev/sfxge/common/efsys.h
@@ -211,6 +211,8 @@ sfxge_map_mbuf_fast(bus_dma_tag_t tag, bus_dmamap_t map,
 #define	__out_ecount_opt(_n)
 #define	__out_bcount(_n)
 #define	__out_bcount_opt(_n)
+#define	__out_bcount_part(_n, _l)
+#define	__out_bcount_part_opt(_n, _l)
 
 #define	__deref_out
 
@@ -293,6 +295,8 @@ sfxge_map_mbuf_fast(bus_dma_tag_t tag, bus_dmamap_t map,
 
 #define	EFSYS_OPT_DECODE_INTR_FATAL 1
 
+#define	EFSYS_OPT_LICENSING 0
+
 /* ID */
 
 typedef struct __efsys_identifier_s	efsys_identifier_t;
diff --git a/sys/dev/sfxge/common/efx.h b/sys/dev/sfxge/common/efx.h
index cf62962..9f6dab9 100644
--- a/sys/dev/sfxge/common/efx.h
+++ b/sys/dev/sfxge/common/efx.h
@@ -2310,6 +2310,57 @@ efx_hash_bytes(
 	__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
 }
diff --git a/sys/dev/sfxge/common/efx_check.h b/sys/dev/sfxge/common/efx_check.h
index 199fab0..d6b7cf4 100644
--- a/sys/dev/sfxge/common/efx_check.h
+++ b/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 */
diff --git a/sys/dev/sfxge/common/efx_impl.h b/sys/dev/sfxge/common/efx_impl.h
index 2103a0b..3050de4 100644
--- a/sys/dev/sfxge/common/efx_impl.h
+++ b/sys/dev/sfxge/common/efx_impl.h
@@ -84,6 +84,7 @@ extern "C" {
 #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
@@ -591,6 +592,18 @@ efx_mcdi_nvram_test(
 
 #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;
@@ -640,6 +653,9 @@ struct efx_nic_s {
 	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 {
diff --git a/sys/dev/sfxge/common/efx_lic.c b/sys/dev/sfxge/common/efx_lic.c
new file mode 100644
index 0000000..33c8aba
--- /dev/null
+++ b/sys/dev/sfxge/common/efx_lic.c
@@ -0,0 +1,792 @@
+/*-
+ * Copyright (c) 2009-2015 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are
+ * those of the authors and should not be interpreted as representing official
+ * policies, either expressed or implied, of the FreeBSD Project.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "efx.h"
+#include "efx_impl.h"
+
+#if EFSYS_OPT_LICENSING
+
+#if EFSYS_OPT_SIENA
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_fc_license_update_license(
+	__in		efx_nic_t *enp);
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_fc_license_get_key_stats(
+	__in		efx_nic_t *enp,
+	__out		efx_key_stats_t *eksp);
+
+static efx_lic_ops_t	__efx_lic_v1_ops = {
+	efx_mcdi_fc_license_update_license,	/* elo_update_licenses */
+	efx_mcdi_fc_license_get_key_stats,	/* elo_get_key_stats */
+	NULL,					/* elo_app_state */
+	NULL,					/* elo_get_id */
+};
+
+#endif	/* EFSYS_OPT_SIENA */
+
+#if EFSYS_OPT_HUNTINGTON
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_update_licenses(
+	__in		efx_nic_t *enp);
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_get_key_stats(
+	__in		efx_nic_t *enp,
+	__out		efx_key_stats_t *eksp);
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensed_app_state(
+	__in		efx_nic_t *enp,
+	__in		uint64_t app_id,
+	__out		boolean_t *licensedp);
+
+static efx_lic_ops_t	__efx_lic_v2_ops = {
+	efx_mcdi_licensing_update_licenses,	/* elo_update_licenses */
+	efx_mcdi_licensing_get_key_stats,	/* elo_get_key_stats */
+	efx_mcdi_licensed_app_state,		/* elo_app_state */
+	NULL,					/* elo_get_id */
+};
+
+#endif	/* EFSYS_OPT_HUNTINGTON */
+
+#if EFSYS_OPT_MEDFORD
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_v3_update_licenses(
+	__in		efx_nic_t *enp);
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_v3_report_license(
+	__in		efx_nic_t *enp,
+	__out		efx_key_stats_t *eksp);
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_v3_app_state(
+	__in		efx_nic_t *enp,
+	__in		uint64_t app_id,
+	__out		boolean_t *licensedp);
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_v3_get_id(
+	__in		efx_nic_t *enp,
+	__in		size_t buffer_size,
+	__out		uint32_t *typep,
+	__out		size_t *lengthp,
+	__out_bcount_part_opt(buffer_size, *lengthp)
+			uint8_t *bufferp);
+
+static efx_lic_ops_t	__efx_lic_v3_ops = {
+	efx_mcdi_licensing_v3_update_licenses,	/* elo_update_licenses */
+	efx_mcdi_licensing_v3_report_license,	/* elo_get_key_stats */
+	efx_mcdi_licensing_v3_app_state,	/* elo_app_state */
+	efx_mcdi_licensing_v3_get_id,		/* elo_get_id */
+};
+
+#endif	/* EFSYS_OPT_MEDFORD */
+
+
+/* V1 Licensing - used in Siena Modena only */
+
+#if EFSYS_OPT_SIENA
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_fc_license_update_license(
+	__in		efx_nic_t *enp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MC_CMD_FC_IN_LICENSE_LEN];
+	efx_rc_t rc;
+
+	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_FC_OP_LICENSE;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_FC_IN_LICENSE_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = 0;
+
+	MCDI_IN_SET_DWORD(req, FC_IN_LICENSE_OP,
+	    MC_CMD_FC_IN_LICENSE_UPDATE_LICENSE);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used != 0) {
+		rc = EIO;
+		goto fail2;
+	}
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_fc_license_get_key_stats(
+	__in		efx_nic_t *enp,
+	__out		efx_key_stats_t *eksp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_FC_IN_LICENSE_LEN,
+			    MC_CMD_FC_OUT_LICENSE_LEN)];
+	efx_rc_t rc;
+
+	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_SIENA);
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_FC_OP_LICENSE;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_FC_IN_LICENSE_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_FC_OUT_LICENSE_LEN;
+
+	MCDI_IN_SET_DWORD(req, FC_IN_LICENSE_OP,
+	    MC_CMD_FC_IN_LICENSE_GET_KEY_STATS);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_FC_OUT_LICENSE_LEN) {
+		rc = EMSGSIZE;
+		goto fail2;
+	}
+
+	eksp->eks_valid =
+		MCDI_OUT_DWORD(req, FC_OUT_LICENSE_VALID_KEYS);
+	eksp->eks_invalid =
+		MCDI_OUT_DWORD(req, FC_OUT_LICENSE_INVALID_KEYS);
+	eksp->eks_blacklisted =
+		MCDI_OUT_DWORD(req, FC_OUT_LICENSE_BLACKLISTED_KEYS);
+	eksp->eks_unverifiable = 0;
+	eksp->eks_wrong_node = 0;
+	eksp->eks_licensed_apps_lo = 0;
+	eksp->eks_licensed_apps_hi = 0;
+	eksp->eks_licensed_features_lo = 0;
+	eksp->eks_licensed_features_hi = 0;
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+#endif	/* EFSYS_OPT_SIENA */
+
+/* V2 Licensing - used by Huntington family only. See SF-113611-TC */
+
+#if EFSYS_OPT_HUNTINGTON
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensed_app_state(
+	__in		efx_nic_t *enp,
+	__in		uint64_t app_id,
+	__out		boolean_t *licensedp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_GET_LICENSED_APP_STATE_IN_LEN,
+			    MC_CMD_GET_LICENSED_APP_STATE_OUT_LEN)];
+	uint32_t app_state;
+	efx_rc_t rc;
+
+	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON);
+
+	/* V2 licensing supports 32bit app id only */
+	if ((app_id >> 32) != 0) {
+		rc = EINVAL;
+		goto fail1;
+	}
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_GET_LICENSED_APP_STATE;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_GET_LICENSED_APP_STATE_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_GET_LICENSED_APP_STATE_OUT_LEN;
+
+	MCDI_IN_SET_DWORD(req, GET_LICENSED_APP_STATE_IN_APP_ID,
+		    app_id & 0xffffffff);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail2;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_GET_LICENSED_APP_STATE_OUT_LEN) {
+		rc = EMSGSIZE;
+		goto fail3;
+	}
+
+	app_state = (MCDI_OUT_DWORD(req, GET_LICENSED_APP_STATE_OUT_STATE));
+	if (app_state != MC_CMD_GET_LICENSED_APP_STATE_OUT_NOT_LICENSED) {
+		*licensedp = B_TRUE;
+	} else {
+		*licensedp = B_FALSE;
+	}
+
+	return (0);
+
+fail3:
+	EFSYS_PROBE(fail3);
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_update_licenses(
+	__in		efx_nic_t *enp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MC_CMD_LICENSING_IN_LEN];
+	efx_rc_t rc;
+
+	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON);
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_LICENSING;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_LICENSING_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = 0;
+
+	MCDI_IN_SET_DWORD(req, LICENSING_IN_OP,
+	    MC_CMD_LICENSING_IN_OP_UPDATE_LICENSE);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used != 0) {
+		rc = EIO;
+		goto fail2;
+	}
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_get_key_stats(
+	__in		efx_nic_t *enp,
+	__out		efx_key_stats_t *eksp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_LICENSING_IN_LEN,
+			    MC_CMD_LICENSING_OUT_LEN)];
+	efx_rc_t rc;
+
+	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON);
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_LICENSING;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_LICENSING_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_LICENSING_OUT_LEN;
+
+	MCDI_IN_SET_DWORD(req, LICENSING_IN_OP,
+	    MC_CMD_LICENSING_IN_OP_GET_KEY_STATS);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_LICENSING_OUT_LEN) {
+		rc = EMSGSIZE;
+		goto fail2;
+	}
+
+	eksp->eks_valid =
+		MCDI_OUT_DWORD(req, LICENSING_OUT_VALID_APP_KEYS);
+	eksp->eks_invalid =
+		MCDI_OUT_DWORD(req, LICENSING_OUT_INVALID_APP_KEYS);
+	eksp->eks_blacklisted =
+		MCDI_OUT_DWORD(req, LICENSING_OUT_BLACKLISTED_APP_KEYS);
+	eksp->eks_unverifiable =
+		MCDI_OUT_DWORD(req, LICENSING_OUT_UNVERIFIABLE_APP_KEYS);
+	eksp->eks_wrong_node =
+		MCDI_OUT_DWORD(req, LICENSING_OUT_WRONG_NODE_APP_KEYS);
+	eksp->eks_licensed_apps_lo = 0;
+	eksp->eks_licensed_apps_hi = 0;
+	eksp->eks_licensed_features_lo = 0;
+	eksp->eks_licensed_features_hi = 0;
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+#endif	/* EFSYS_OPT_HUNTINGTON */
+
+/* V3 Licensing - used starting from Medford family. See SF-114884-SW */
+
+#if EFSYS_OPT_MEDFORD
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_v3_update_licenses(
+	__in		efx_nic_t *enp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MC_CMD_LICENSING_V3_IN_LEN];
+	efx_rc_t rc;
+
+	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_MEDFORD);
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_LICENSING_V3;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_LICENSING_V3_IN_LEN;
+	req.emr_out_buf = NULL;
+	req.emr_out_length = 0;
+
+	MCDI_IN_SET_DWORD(req, LICENSING_V3_IN_OP,
+	    MC_CMD_LICENSING_V3_IN_OP_UPDATE_LICENSE);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_v3_report_license(
+	__in		efx_nic_t *enp,
+	__out		efx_key_stats_t *eksp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_LICENSING_V3_IN_LEN,
+			    MC_CMD_LICENSING_V3_OUT_LEN)];
+	efx_rc_t rc;
+
+	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_MEDFORD);
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_LICENSING_V3;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_LICENSING_V3_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_LICENSING_V3_OUT_LEN;
+
+	MCDI_IN_SET_DWORD(req, LICENSING_V3_IN_OP,
+	    MC_CMD_LICENSING_V3_IN_OP_REPORT_LICENSE);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_LICENSING_V3_OUT_LEN) {
+		rc = EMSGSIZE;
+		goto fail2;
+	}
+
+	eksp->eks_valid =
+		MCDI_OUT_DWORD(req, LICENSING_V3_OUT_VALID_KEYS);
+	eksp->eks_invalid =
+		MCDI_OUT_DWORD(req, LICENSING_V3_OUT_INVALID_KEYS);
+	eksp->eks_blacklisted = 0;
+	eksp->eks_unverifiable =
+		MCDI_OUT_DWORD(req, LICENSING_V3_OUT_UNVERIFIABLE_KEYS);
+	eksp->eks_wrong_node =
+		MCDI_OUT_DWORD(req, LICENSING_V3_OUT_WRONG_NODE_KEYS);
+	eksp->eks_licensed_apps_lo =
+		MCDI_OUT_DWORD(req, LICENSING_V3_OUT_LICENSED_APPS_LO);
+	eksp->eks_licensed_apps_hi =
+		MCDI_OUT_DWORD(req, LICENSING_V3_OUT_LICENSED_APPS_HI);
+	eksp->eks_licensed_features_lo =
+		MCDI_OUT_DWORD(req, LICENSING_V3_OUT_LICENSED_FEATURES_LO);
+	eksp->eks_licensed_features_hi =
+		MCDI_OUT_DWORD(req, LICENSING_V3_OUT_LICENSED_FEATURES_HI);
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_v3_app_state(
+	__in		efx_nic_t *enp,
+	__in		uint64_t app_id,
+	__out		boolean_t *licensedp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_GET_LICENSED_V3_APP_STATE_IN_LEN,
+			    MC_CMD_GET_LICENSED_V3_APP_STATE_OUT_LEN)];
+	uint32_t app_state;
+	efx_rc_t rc;
+
+	EFSYS_ASSERT(enp->en_family == EFX_FAMILY_MEDFORD);
+
+	(void) memset(payload, 0, sizeof (payload));
+	req.emr_cmd = MC_CMD_GET_LICENSED_V3_APP_STATE;
+	req.emr_in_buf = payload;
+	req.emr_in_length = MC_CMD_GET_LICENSED_V3_APP_STATE_IN_LEN;
+	req.emr_out_buf = payload;
+	req.emr_out_length = MC_CMD_GET_LICENSED_V3_APP_STATE_OUT_LEN;
+
+	MCDI_IN_SET_DWORD(req, GET_LICENSED_V3_APP_STATE_IN_APP_ID_LO,
+		    app_id & 0xffffffff);
+	MCDI_IN_SET_DWORD(req, GET_LICENSED_V3_APP_STATE_IN_APP_ID_HI,
+		    app_id >> 32);
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_GET_LICENSED_V3_APP_STATE_OUT_LEN) {
+		rc = EMSGSIZE;
+		goto fail2;
+	}
+
+	app_state = (MCDI_OUT_DWORD(req, GET_LICENSED_V3_APP_STATE_OUT_STATE));
+	if (app_state != MC_CMD_GET_LICENSED_V3_APP_STATE_OUT_NOT_LICENSED) {
+		*licensedp = B_TRUE;
+	} else {
+		*licensedp = B_FALSE;
+	}
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+static	__checkReturn	efx_rc_t
+efx_mcdi_licensing_v3_get_id(
+	__in		efx_nic_t *enp,
+	__in		size_t buffer_size,
+	__out		uint32_t *typep,
+	__out		size_t *lengthp,
+	__out_bcount_part_opt(buffer_size, *lengthp)
+			uint8_t *bufferp)
+{
+	efx_mcdi_req_t req;
+	uint8_t payload[MAX(MC_CMD_LICENSING_GET_ID_V3_IN_LEN,
+			    MC_CMD_LICENSING_GET_ID_V3_OUT_LENMIN)];
+	efx_rc_t rc;
+
+	req.emr_cmd = MC_CMD_LICENSING_GET_ID_V3;
+
+	if (bufferp == NULL) {
+		/* Request id type and length only */
+		req.emr_in_buf = bufferp;
+		req.emr_in_length = MC_CMD_LICENSING_GET_ID_V3_IN_LEN;
+		req.emr_out_buf = bufferp;
+		req.emr_out_length = MC_CMD_LICENSING_GET_ID_V3_OUT_LENMIN;
+		(void) memset(payload, 0, sizeof (payload));
+	} else {
+		/* Request full buffer */
+		req.emr_in_buf = bufferp;
+		req.emr_in_length = MC_CMD_LICENSING_GET_ID_V3_IN_LEN;
+		req.emr_out_buf = bufferp;
+		req.emr_out_length = MIN(buffer_size, MC_CMD_LICENSING_GET_ID_V3_OUT_LENMIN);
+		(void) memset(bufferp, 0, req.emr_out_length);
+	}
+
+	efx_mcdi_execute(enp, &req);
+
+	if (req.emr_rc != 0) {
+		rc = req.emr_rc;
+		goto fail1;
+	}
+
+	if (req.emr_out_length_used < MC_CMD_LICENSING_GET_ID_V3_OUT_LENMIN) {
+		rc = EMSGSIZE;
+		goto fail2;
+	}
+
+	*typep = MCDI_OUT_DWORD(req, LICENSING_GET_ID_V3_OUT_LICENSE_TYPE);
+	*lengthp = MCDI_OUT_DWORD(req, LICENSING_GET_ID_V3_OUT_LICENSE_ID_LENGTH);
+
+	if (bufferp == NULL) {
+		/* modify length requirements to indicate to caller the extra buffering
+		** needed to read the complete output.
+		*/
+		*lengthp += MC_CMD_LICENSING_GET_ID_V3_OUT_LENMIN;
+	} else {
+		/* Shift ID down to start of buffer */
+		memmove(bufferp,
+		  bufferp+MC_CMD_LICENSING_GET_ID_V3_OUT_LICENSE_ID_OFST,
+		  *lengthp);
+		memset(bufferp+(*lengthp), 0, MC_CMD_LICENSING_GET_ID_V3_OUT_LICENSE_ID_OFST);
+	}
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+
+#endif	/* EFSYS_OPT_MEDFORD */
+
+	__checkReturn		efx_rc_t
+efx_lic_init(
+	__in			efx_nic_t *enp)
+{
+	efx_lic_ops_t *elop;
+	efx_rc_t rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
+	EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_LIC));
+
+	switch (enp->en_family) {
+
+#if EFSYS_OPT_SIENA
+	case EFX_FAMILY_SIENA:
+		elop = (efx_lic_ops_t *)&__efx_lic_v1_ops;
+		break;
+#endif	/* EFSYS_OPT_SIENA */
+
+#if EFSYS_OPT_HUNTINGTON
+	case EFX_FAMILY_HUNTINGTON:
+		elop = (efx_lic_ops_t *)&__efx_lic_v2_ops;
+		break;
+#endif	/* EFSYS_OPT_HUNTINGTON */
+
+#if EFSYS_OPT_MEDFORD
+	case EFX_FAMILY_MEDFORD:
+		elop = (efx_lic_ops_t *)&__efx_lic_v3_ops;
+		break;
+#endif	/* EFSYS_OPT_MEDFORD */
+
+	default:
+		EFSYS_ASSERT(0);
+		rc = ENOTSUP;
+		goto fail1;
+	}
+
+	enp->en_elop = elop;
+	enp->en_mod_flags |= EFX_MOD_LIC;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+				void
+efx_lic_fini(
+	__in			efx_nic_t *enp)
+{
+	efx_lic_ops_t *elop = enp->en_elop;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_LIC);
+
+	enp->en_elop = NULL;
+	enp->en_mod_flags &= ~EFX_MOD_LIC;
+}
+
+
+	__checkReturn	efx_rc_t
+efx_lic_update_licenses(
+	__in		efx_nic_t *enp)
+{
+	efx_lic_ops_t *elop = enp->en_elop;
+	efx_rc_t rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_LIC);
+
+	if ((rc = elop->elo_update_licenses(enp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn	efx_rc_t
+efx_lic_get_key_stats(
+	__in		efx_nic_t *enp,
+	__out		efx_key_stats_t *eksp)
+{
+	efx_lic_ops_t *elop = enp->en_elop;
+	efx_rc_t rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_LIC);
+
+	if ((rc = elop->elo_get_key_stats(enp, eksp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn	efx_rc_t
+efx_lic_app_state(
+	__in		efx_nic_t *enp,
+	__in		uint64_t app_id,
+	__out		boolean_t *licensedp)
+{
+	efx_lic_ops_t *elop = enp->en_elop;
+	efx_rc_t rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_LIC);
+
+	if (elop->elo_app_state == NULL) {
+		rc = ENOTSUP;
+		goto fail1;
+	}
+	if ((rc = elop->elo_app_state(enp, app_id, licensedp)) != 0)
+		goto fail2;
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__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
+	)
+{
+	efx_lic_ops_t *elop = enp->en_elop;
+	efx_rc_t rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_LIC);
+
+	if (elop->elo_get_id == NULL) {
+		rc = ENOTSUP;
+		goto fail1;
+	}
+
+	if ((rc = elop->elo_get_id(enp, buffer_size, typep,
+				    lengthp, bufferp)) != 0)
+		goto fail2;
+
+	return (0);
+
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+#endif	/* EFSYS_OPT_LICENSING */
diff --git a/sys/dev/sfxge/common/efx_nic.c b/sys/dev/sfxge/common/efx_nic.c
index 28ef8c7..dd28ece 100644
--- a/sys/dev/sfxge/common/efx_nic.c
+++ b/sys/dev/sfxge/common/efx_nic.c
@@ -708,8 +708,9 @@ efx_nic_reset(
 	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
@@ -717,7 +718,7 @@ efx_nic_reset(
 	 */
 	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;