Imported Upstream version 17.05

Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 1751 insertions, 0 deletions

diff --git a/drivers/net/sfc/base/efx_lic.c b/drivers/net/sfc/base/efx_lic.c
new file mode 100644
index 00000000..2cd05cc8
--- /dev/null
+++ b/drivers/net/sfc/base/efx_lic.c
@@ -0,0 +1,1751 @@
+/*
+ * Copyright (c) 2009-2016 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 "efx.h"
+#include "efx_impl.h"
+
+#if EFSYS_OPT_LICENSING
+
+#include "ef10_tlv_layout.h"
+
+#if EFSYS_OPT_SIENA | EFSYS_OPT_HUNTINGTON
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_find_start(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__out			uint32_t *startp
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_find_end(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *endp
+	);
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_v1v2_find_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *startp,
+	__out			uint32_t *lengthp
+	);
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_v1v2_validate_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_read_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__out_bcount_part(key_max_size, *lengthp)
+				caddr_t keyp,
+	__in			size_t key_max_size,
+	__out			uint32_t *lengthp
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_write_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length,
+	__out			uint32_t *lengthp
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_delete_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__in			uint32_t end,
+	__out			uint32_t *deltap
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_create_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_finish_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	);
+
+#endif	/* EFSYS_OPT_HUNTINGTON | EFSYS_OPT_SIENA */
+
+
+#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 const 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 */
+	efx_lic_v1v2_find_start,		/* elo_find_start */
+	efx_lic_v1v2_find_end,			/* elo_find_end */
+	efx_lic_v1v2_find_key,			/* elo_find_key */
+	efx_lic_v1v2_validate_key,		/* elo_validate_key */
+	efx_lic_v1v2_read_key,			/* elo_read_key */
+	efx_lic_v1v2_write_key,			/* elo_write_key */
+	efx_lic_v1v2_delete_key,		/* elo_delete_key */
+	efx_lic_v1v2_create_partition,		/* elo_create_partition */
+	efx_lic_v1v2_finish_partition,		/* elo_finish_partition */
+};
+
+#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 const 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 */
+	efx_lic_v1v2_find_start,		/* elo_find_start */
+	efx_lic_v1v2_find_end,			/* elo_find_end */
+	efx_lic_v1v2_find_key,			/* elo_find_key */
+	efx_lic_v1v2_validate_key,		/* elo_validate_key */
+	efx_lic_v1v2_read_key,			/* elo_read_key */
+	efx_lic_v1v2_write_key,			/* elo_write_key */
+	efx_lic_v1v2_delete_key,		/* elo_delete_key */
+	efx_lic_v1v2_create_partition,		/* elo_create_partition */
+	efx_lic_v1v2_finish_partition,		/* elo_finish_partition */
+};
+
+#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);
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_find_start(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__out			uint32_t *startp
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_find_end(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *endp
+	);
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_v3_find_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *startp,
+	__out			uint32_t *lengthp
+	);
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_v3_validate_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_read_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__out_bcount_part(key_max_size, *lengthp)
+				caddr_t keyp,
+	__in			size_t key_max_size,
+	__out			uint32_t *lengthp
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_write_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length,
+	__out			uint32_t *lengthp
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_delete_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__in			uint32_t end,
+	__out			uint32_t *deltap
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_create_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	);
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_finish_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	);
+
+static const 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 */
+	efx_lic_v3_find_start,			/* elo_find_start*/
+	efx_lic_v3_find_end,			/* elo_find_end */
+	efx_lic_v3_find_key,			/* elo_find_key */
+	efx_lic_v3_validate_key,		/* elo_validate_key */
+	efx_lic_v3_read_key,			/* elo_read_key */
+	efx_lic_v3_write_key,			/* elo_write_key */
+	efx_lic_v3_delete_key,			/* elo_delete_key */
+	efx_lic_v3_create_partition,		/* elo_create_partition */
+	efx_lic_v3_finish_partition,		/* elo_finish_partition */
+};
+
+#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;
+	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_CMD,
+	    MC_CMD_FC_OP_LICENSE);
+
+	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;
+	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_CMD,
+	    MC_CMD_FC_OP_LICENSE);
+
+	MCDI_IN_SET_DWORD(req, FC_IN_LICENSE_OP,
+	    MC_CMD_FC_IN_LICENSE_GET_KEY_STATS);
+
+	efx_mcdi_execute_quiet(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 */
+
+/* V1 and V2 Partition format - based on a 16-bit TLV format */
+
+#if EFSYS_OPT_SIENA | EFSYS_OPT_HUNTINGTON
+
+/*
+ * V1/V2 format - defined in SF-108542-TC section 4.2:
+ *  Type (T):   16bit - revision/HMAC algorithm
+ *  Length (L): 16bit - value length in bytes
+ *  Value (V):  L bytes - payload
+ */
+#define EFX_LICENSE_V1V2_PAYLOAD_LENGTH_MAX    (256)
+#define EFX_LICENSE_V1V2_HEADER_LENGTH         (2 * sizeof(uint16_t))
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_find_start(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__out			uint32_t *startp
+	)
+{
+	_NOTE(ARGUNUSED(enp, bufferp, buffer_size))
+
+	*startp = 0;
+	return (0);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_find_end(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *endp
+	)
+{
+	_NOTE(ARGUNUSED(enp, bufferp, buffer_size))
+
+	*endp = offset + EFX_LICENSE_V1V2_HEADER_LENGTH;
+	return (0);
+}
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_v1v2_find_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *startp,
+	__out			uint32_t *lengthp
+	)
+{
+	boolean_t found;
+	uint16_t tlv_type;
+	uint16_t tlv_length;
+
+	_NOTE(ARGUNUSED(enp))
+
+	if ((size_t)buffer_size - offset < EFX_LICENSE_V1V2_HEADER_LENGTH)
+		goto fail1;
+
+	tlv_type = __LE_TO_CPU_16(((uint16_t *)&bufferp[offset])[0]);
+	tlv_length = __LE_TO_CPU_16(((uint16_t *)&bufferp[offset])[1]);
+	if ((tlv_length > EFX_LICENSE_V1V2_PAYLOAD_LENGTH_MAX) ||
+	    (tlv_type == 0 && tlv_length == 0)) {
+		found = B_FALSE;
+	} else {
+		*startp = offset;
+		*lengthp = tlv_length + EFX_LICENSE_V1V2_HEADER_LENGTH;
+		found = B_TRUE;
+	}
+	return (found);
+
+fail1:
+	EFSYS_PROBE(fail1);
+
+	return (B_FALSE);
+}
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_v1v2_validate_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length
+	)
+{
+	uint16_t tlv_type;
+	uint16_t tlv_length;
+
+	_NOTE(ARGUNUSED(enp))
+
+	if (length < EFX_LICENSE_V1V2_HEADER_LENGTH) {
+		goto fail1;
+	}
+
+	tlv_type = __LE_TO_CPU_16(((uint16_t *)keyp)[0]);
+	tlv_length = __LE_TO_CPU_16(((uint16_t *)keyp)[1]);
+
+	if (tlv_length > EFX_LICENSE_V1V2_PAYLOAD_LENGTH_MAX) {
+		goto fail2;
+	}
+	if (tlv_type == 0) {
+		goto fail3;
+	}
+	if ((tlv_length + EFX_LICENSE_V1V2_HEADER_LENGTH) != length) {
+		goto fail4;
+	}
+
+	return (B_TRUE);
+
+fail4:
+	EFSYS_PROBE(fail4);
+fail3:
+	EFSYS_PROBE(fail3);
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE(fail1);
+
+	return (B_FALSE);
+}
+
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_read_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__out_bcount_part(key_max_size, *lengthp)
+				caddr_t keyp,
+	__in			size_t key_max_size,
+	__out			uint32_t *lengthp
+	)
+{
+	efx_rc_t rc;
+
+	_NOTE(ARGUNUSED(enp))
+	EFSYS_ASSERT(length <= (EFX_LICENSE_V1V2_PAYLOAD_LENGTH_MAX +
+	    EFX_LICENSE_V1V2_HEADER_LENGTH));
+
+	if (key_max_size < length) {
+		rc = ENOSPC;
+		goto fail1;
+	}
+	memcpy(keyp, &bufferp[offset], length);
+
+	*lengthp = length;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_write_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length,
+	__out			uint32_t *lengthp
+	)
+{
+	efx_rc_t rc;
+
+	_NOTE(ARGUNUSED(enp))
+	EFSYS_ASSERT(length <= (EFX_LICENSE_V1V2_PAYLOAD_LENGTH_MAX +
+	    EFX_LICENSE_V1V2_HEADER_LENGTH));
+
+	/* Ensure space for terminator remains */
+	if ((offset + length) >
+	    (buffer_size - EFX_LICENSE_V1V2_HEADER_LENGTH)) {
+		rc = ENOSPC;
+		goto fail1;
+	}
+
+	memcpy(bufferp + offset, keyp, length);
+
+	*lengthp = length;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_delete_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__in			uint32_t end,
+	__out			uint32_t *deltap
+	)
+{
+	uint32_t move_start = offset + length;
+	uint32_t move_length = end - move_start;
+
+	_NOTE(ARGUNUSED(enp))
+	EFSYS_ASSERT(end <= buffer_size);
+
+	/* Shift everything after the key down */
+	memmove(bufferp + offset, bufferp + move_start, move_length);
+
+	*deltap = length;
+
+	return (0);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_create_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	)
+{
+	_NOTE(ARGUNUSED(enp))
+	EFSYS_ASSERT(EFX_LICENSE_V1V2_HEADER_LENGTH <= buffer_size);
+
+	/* Write terminator */
+	memset(bufferp, '\0', EFX_LICENSE_V1V2_HEADER_LENGTH);
+	return (0);
+}
+
+
+	__checkReturn		efx_rc_t
+efx_lic_v1v2_finish_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	)
+{
+	_NOTE(ARGUNUSED(enp, bufferp, buffer_size))
+
+	return (0);
+}
+
+#endif	/* EFSYS_OPT_HUNTINGTON | 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_quiet(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_LENMAX);
+		(void) memset(bufferp, 0, req.emr_out_length);
+	}
+
+	efx_mcdi_execute_quiet(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);
+}
+
+/* V3 format uses Huntington TLV format partition. See SF-108797-SW */
+#define EFX_LICENSE_V3_KEY_LENGTH_MIN    (64)
+#define EFX_LICENSE_V3_KEY_LENGTH_MAX    (160)
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_find_start(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__out			uint32_t *startp
+	)
+{
+	_NOTE(ARGUNUSED(enp))
+
+	return ef10_nvram_buffer_find_item_start(bufferp, buffer_size, startp);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_find_end(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *endp
+	)
+{
+	_NOTE(ARGUNUSED(enp))
+
+	return ef10_nvram_buffer_find_end(bufferp, buffer_size, offset, endp);
+}
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_v3_find_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *startp,
+	__out			uint32_t *lengthp
+	)
+{
+	_NOTE(ARGUNUSED(enp))
+
+	return ef10_nvram_buffer_find_item(bufferp, buffer_size,
+	    offset, startp, lengthp);
+}
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_v3_validate_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length
+	)
+{
+	/* Check key is a valid V3 key */
+	uint8_t key_type;
+	uint8_t key_length;
+
+	_NOTE(ARGUNUSED(enp))
+
+	if (length < EFX_LICENSE_V3_KEY_LENGTH_MIN) {
+		goto fail1;
+	}
+
+	if (length > EFX_LICENSE_V3_KEY_LENGTH_MAX) {
+		goto fail2;
+	}
+
+	key_type = ((uint8_t *)keyp)[0];
+	key_length = ((uint8_t *)keyp)[1];
+
+	if (key_type < 3) {
+		goto fail3;
+	}
+	if (key_length > length) {
+		goto fail4;
+	}
+	return (B_TRUE);
+
+fail4:
+	EFSYS_PROBE(fail4);
+fail3:
+	EFSYS_PROBE(fail3);
+fail2:
+	EFSYS_PROBE(fail2);
+fail1:
+	EFSYS_PROBE(fail1);
+
+	return (B_FALSE);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_read_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__out_bcount_part(key_max_size, *lengthp)
+				caddr_t keyp,
+	__in			size_t key_max_size,
+	__out			uint32_t *lengthp
+	)
+{
+	_NOTE(ARGUNUSED(enp))
+
+	return ef10_nvram_buffer_get_item(bufferp, buffer_size,
+		    offset, length, keyp, key_max_size, lengthp);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_write_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length,
+	__out			uint32_t *lengthp
+	)
+{
+	_NOTE(ARGUNUSED(enp))
+	EFSYS_ASSERT(length <= EFX_LICENSE_V3_KEY_LENGTH_MAX);
+
+	return ef10_nvram_buffer_insert_item(bufferp, buffer_size,
+		    offset, keyp, length, lengthp);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_delete_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__in			uint32_t end,
+	__out			uint32_t *deltap
+	)
+{
+	efx_rc_t rc;
+
+	_NOTE(ARGUNUSED(enp))
+
+	if ((rc = ef10_nvram_buffer_delete_item(bufferp,
+			buffer_size, offset, length, end)) != 0) {
+		goto fail1;
+	}
+
+	*deltap = length;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_create_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	)
+{
+	efx_rc_t rc;
+
+	/* Construct empty partition */
+	if ((rc = ef10_nvram_buffer_create(enp,
+	    NVRAM_PARTITION_TYPE_LICENSE,
+	    bufferp, buffer_size)) != 0) {
+		rc = EFAULT;
+		goto fail1;
+	}
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_v3_finish_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	)
+{
+	efx_rc_t rc;
+
+	if ((rc = ef10_nvram_buffer_finish(bufferp,
+			buffer_size)) != 0) {
+		goto fail1;
+	}
+
+	/* Validate completed partition */
+	if ((rc = ef10_nvram_buffer_validate(enp, NVRAM_PARTITION_TYPE_LICENSE,
+					bufferp, buffer_size)) != 0) {
+		goto fail2;
+	}
+
+	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)
+{
+	const efx_lic_ops_t *elop;
+	efx_key_stats_t eks;
+	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_v1_ops;
+		break;
+#endif	/* EFSYS_OPT_SIENA */
+
+#if EFSYS_OPT_HUNTINGTON
+	case EFX_FAMILY_HUNTINGTON:
+		elop = &__efx_lic_v2_ops;
+		break;
+#endif	/* EFSYS_OPT_HUNTINGTON */
+
+#if EFSYS_OPT_MEDFORD
+	case EFX_FAMILY_MEDFORD:
+		elop = &__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;
+
+	/* Probe for support */
+	if (efx_lic_get_key_stats(enp, &eks) == 0) {
+		enp->en_licensing_supported = B_TRUE;
+	} else {
+		enp->en_licensing_supported = B_FALSE;
+	}
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+extern	__checkReturn	boolean_t
+efx_lic_check_support(
+	__in			efx_nic_t *enp)
+{
+	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);
+
+	return enp->en_licensing_supported;
+}
+
+				void
+efx_lic_fini(
+	__in			efx_nic_t *enp)
+{
+	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)
+{
+	const 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)
+{
+	const 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)
+{
+	const 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)
+		return (ENOTSUP);
+
+	if ((rc = elop->elo_app_state(enp, app_id, licensedp)) != 0)
+		goto fail1;
+
+	return (0);
+
+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
+	)
+{
+	const 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)
+		return (ENOTSUP);
+
+	if ((rc = elop->elo_get_id(enp, buffer_size, typep,
+				    lengthp, bufferp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+/* Buffer management API - abstracts varying TLV format used for License partition */
+
+	__checkReturn		efx_rc_t
+efx_lic_find_start(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__out			uint32_t *startp
+	)
+{
+	const 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_find_start(enp, bufferp, buffer_size, startp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_find_end(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *endp
+	)
+{
+	const 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_find_end(enp, bufferp, buffer_size, offset, endp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_find_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__out			uint32_t *startp,
+	__out			uint32_t *lengthp
+	)
+{
+	const efx_lic_ops_t *elop = enp->en_elop;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_LIC);
+
+	EFSYS_ASSERT(bufferp);
+	EFSYS_ASSERT(startp);
+	EFSYS_ASSERT(lengthp);
+
+	return (elop->elo_find_key(enp, bufferp, buffer_size, offset,
+				    startp, lengthp));
+}
+
+
+/* Validate that the buffer contains a single key in a recognised format.
+** An empty or terminator buffer is not accepted as a valid key.
+*/
+	__checkReturn	__success(return != B_FALSE)	boolean_t
+efx_lic_validate_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length
+	)
+{
+	const efx_lic_ops_t *elop = enp->en_elop;
+	boolean_t rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_LIC);
+
+	if ((rc = elop->elo_validate_key(enp, keyp, length)) == B_FALSE)
+		goto fail1;
+
+	return (B_TRUE);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_read_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__out_bcount_part(key_max_size, *lengthp)
+				caddr_t keyp,
+	__in			size_t key_max_size,
+	__out			uint32_t *lengthp
+	)
+{
+	const 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_read_key(enp, bufferp, buffer_size, offset,
+				    length, keyp, key_max_size, lengthp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_write_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in_bcount(length)	caddr_t keyp,
+	__in			uint32_t length,
+	__out			uint32_t *lengthp
+	)
+{
+	const 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_write_key(enp, bufferp, buffer_size, offset,
+				    keyp, length, lengthp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_delete_key(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size,
+	__in			uint32_t offset,
+	__in			uint32_t length,
+	__in			uint32_t end,
+	__out			uint32_t *deltap
+	)
+{
+	const 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_delete_key(enp, bufferp, buffer_size, offset,
+				    length, end, deltap)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+	__checkReturn		efx_rc_t
+efx_lic_create_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	)
+{
+	const 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_create_partition(enp, bufferp, buffer_size)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+
+	__checkReturn		efx_rc_t
+efx_lic_finish_partition(
+	__in			efx_nic_t *enp,
+	__in_bcount(buffer_size)
+				caddr_t bufferp,
+	__in			size_t buffer_size
+	)
+{
+	const 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_finish_partition(enp, bufferp, buffer_size)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+	return (rc);
+}
+
+#endif	/* EFSYS_OPT_LICENSING */