Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 1070 insertions, 0 deletions

diff --git a/src/seastar/dpdk/drivers/crypto/zuc/Makefile b/src/seastar/dpdk/drivers/crypto/zuc/Makefile
new file mode 100644
index 00000000..f543b407
--- /dev/null
+++ b/src/seastar/dpdk/drivers/crypto/zuc/Makefile
@@ -0,0 +1,62 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2016 Intel Corporation. All rights reserved.
+#
+#   Redistribution and use in source and binary forms, with or without
+#   modification, are permitted provided that the following conditions
+#   are met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * 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.
+#     * Neither the name of Intel Corporation nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+#   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.
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+ifneq ($(MAKECMDGOALS),clean)
+ifeq ($(LIBSSO_ZUC_PATH),)
+$(error "Please define LIBSSO_ZUC_PATH environment variable")
+endif
+endif
+
+# library name
+LIB = librte_pmd_zuc.a
+
+# build flags
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+# library version
+LIBABIVER := 1
+
+# versioning export map
+EXPORT_MAP := rte_pmd_zuc_version.map
+
+# external library dependencies
+CFLAGS += -I$(LIBSSO_ZUC_PATH)
+CFLAGS += -I$(LIBSSO_ZUC_PATH)/include
+CFLAGS += -I$(LIBSSO_ZUC_PATH)/build
+LDLIBS += -L$(LIBSSO_ZUC_PATH)/build -lsso_zuc
+
+# library source files
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_ZUC) += rte_zuc_pmd.c
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_ZUC) += rte_zuc_pmd_ops.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/src/seastar/dpdk/drivers/crypto/zuc/rte_pmd_zuc_version.map b/src/seastar/dpdk/drivers/crypto/zuc/rte_pmd_zuc_version.map
new file mode 100644
index 00000000..cc5829e3
--- /dev/null
+++ b/src/seastar/dpdk/drivers/crypto/zuc/rte_pmd_zuc_version.map
@@ -0,0 +1,3 @@
+DPDK_16.11 {
+	local: *;
+};
diff --git a/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd.c b/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd.c
new file mode 100644
index 00000000..1020544b
--- /dev/null
+++ b/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd.c
@@ -0,0 +1,554 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   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.
+ */
+
+#include <rte_common.h>
+#include <rte_config.h>
+#include <rte_hexdump.h>
+#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_vdev.h>
+#include <rte_malloc.h>
+#include <rte_cpuflags.h>
+
+#include "rte_zuc_pmd_private.h"
+
+#define ZUC_DIGEST_LENGTH 4
+#define ZUC_MAX_BURST 8
+#define BYTE_LEN 8
+
+/** Get xform chain order. */
+static enum zuc_operation
+zuc_get_mode(const struct rte_crypto_sym_xform *xform)
+{
+	if (xform == NULL)
+		return ZUC_OP_NOT_SUPPORTED;
+
+	if (xform->next)
+		if (xform->next->next != NULL)
+			return ZUC_OP_NOT_SUPPORTED;
+
+	if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+		if (xform->next == NULL)
+			return ZUC_OP_ONLY_AUTH;
+		else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
+			return ZUC_OP_AUTH_CIPHER;
+		else
+			return ZUC_OP_NOT_SUPPORTED;
+	}
+
+	if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+		if (xform->next == NULL)
+			return ZUC_OP_ONLY_CIPHER;
+		else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
+			return ZUC_OP_CIPHER_AUTH;
+		else
+			return ZUC_OP_NOT_SUPPORTED;
+	}
+
+	return ZUC_OP_NOT_SUPPORTED;
+}
+
+
+/** Parse crypto xform chain and set private session parameters. */
+int
+zuc_set_session_parameters(struct zuc_session *sess,
+		const struct rte_crypto_sym_xform *xform)
+{
+	const struct rte_crypto_sym_xform *auth_xform = NULL;
+	const struct rte_crypto_sym_xform *cipher_xform = NULL;
+	enum zuc_operation mode;
+
+	/* Select Crypto operation - hash then cipher / cipher then hash */
+	mode = zuc_get_mode(xform);
+
+	switch (mode) {
+	case ZUC_OP_CIPHER_AUTH:
+		auth_xform = xform->next;
+
+		/* Fall-through */
+	case ZUC_OP_ONLY_CIPHER:
+		cipher_xform = xform;
+		break;
+	case ZUC_OP_AUTH_CIPHER:
+		cipher_xform = xform->next;
+		/* Fall-through */
+	case ZUC_OP_ONLY_AUTH:
+		auth_xform = xform;
+		break;
+	case ZUC_OP_NOT_SUPPORTED:
+	default:
+		ZUC_LOG_ERR("Unsupported operation chain order parameter");
+		return -EINVAL;
+	}
+
+	if (cipher_xform) {
+		/* Only ZUC EEA3 supported */
+		if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_ZUC_EEA3)
+			return -EINVAL;
+		/* Copy the key */
+		memcpy(sess->pKey_cipher, cipher_xform->cipher.key.data,
+				ZUC_IV_KEY_LENGTH);
+	}
+
+	if (auth_xform) {
+		/* Only ZUC EIA3 supported */
+		if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_ZUC_EIA3)
+			return -EINVAL;
+		sess->auth_op = auth_xform->auth.op;
+		/* Copy the key */
+		memcpy(sess->pKey_hash, auth_xform->auth.key.data,
+				ZUC_IV_KEY_LENGTH);
+	}
+
+
+	sess->op = mode;
+
+	return 0;
+}
+
+/** Get ZUC session. */
+static struct zuc_session *
+zuc_get_session(struct zuc_qp *qp, struct rte_crypto_op *op)
+{
+	struct zuc_session *sess;
+
+	if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
+		if (unlikely(op->sym->session->dev_type !=
+				RTE_CRYPTODEV_ZUC_PMD))
+			return NULL;
+
+		sess = (struct zuc_session *)op->sym->session->_private;
+	} else  {
+		struct rte_cryptodev_session *c_sess = NULL;
+
+		if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
+			return NULL;
+
+		sess = (struct zuc_session *)c_sess->_private;
+
+		if (unlikely(zuc_set_session_parameters(sess,
+				op->sym->xform) != 0))
+			return NULL;
+	}
+
+	return sess;
+}
+
+/** Encrypt/decrypt mbufs with same cipher key. */
+static uint8_t
+process_zuc_cipher_op(struct rte_crypto_op **ops,
+		struct zuc_session *session,
+		uint8_t num_ops)
+{
+	unsigned i;
+	uint8_t processed_ops = 0;
+	uint8_t *src[ZUC_MAX_BURST], *dst[ZUC_MAX_BURST];
+	uint8_t *IV[ZUC_MAX_BURST];
+	uint32_t num_bytes[ZUC_MAX_BURST];
+	uint8_t *cipher_keys[ZUC_MAX_BURST];
+
+	for (i = 0; i < num_ops; i++) {
+		/* Sanity checks. */
+		if (unlikely(ops[i]->sym->cipher.iv.length != ZUC_IV_KEY_LENGTH)) {
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+			ZUC_LOG_ERR("iv");
+			break;
+		}
+
+		if (((ops[i]->sym->cipher.data.length % BYTE_LEN) != 0)
+				|| ((ops[i]->sym->cipher.data.offset
+					% BYTE_LEN) != 0)) {
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+			ZUC_LOG_ERR("Data Length or offset");
+			break;
+		}
+
+#ifdef RTE_LIBRTE_PMD_ZUC_DEBUG
+		if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
+				(ops[i]->sym->m_dst != NULL &&
+				!rte_pktmbuf_is_contiguous(
+						ops[i]->sym->m_dst))) {
+			ZUC_LOG_ERR("PMD supports only contiguous mbufs, "
+				"op (%p) provides noncontiguous mbuf as "
+				"source/destination buffer.\n", ops[i]);
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+			break;
+		}
+#endif
+
+		src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
+				(ops[i]->sym->cipher.data.offset >> 3);
+		dst[i] = ops[i]->sym->m_dst ?
+			rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
+				(ops[i]->sym->cipher.data.offset >> 3) :
+			rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
+				(ops[i]->sym->cipher.data.offset >> 3);
+		IV[i] = ops[i]->sym->cipher.iv.data;
+		num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
+
+		cipher_keys[i] = session->pKey_cipher;
+
+		processed_ops++;
+	}
+
+	sso_zuc_eea3_n_buffer(cipher_keys, IV, src, dst,
+			num_bytes, processed_ops);
+
+	return processed_ops;
+}
+
+/** Generate/verify hash from mbufs with same hash key. */
+static int
+process_zuc_hash_op(struct rte_crypto_op **ops,
+		struct zuc_session *session,
+		uint8_t num_ops)
+{
+	unsigned i;
+	uint8_t processed_ops = 0;
+	uint8_t *src;
+	uint32_t *dst;
+	uint32_t length_in_bits;
+
+	for (i = 0; i < num_ops; i++) {
+		if (unlikely(ops[i]->sym->auth.aad.length != ZUC_IV_KEY_LENGTH)) {
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+			ZUC_LOG_ERR("aad");
+			break;
+		}
+
+		if (unlikely(ops[i]->sym->auth.digest.length != ZUC_DIGEST_LENGTH)) {
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+			ZUC_LOG_ERR("digest");
+			break;
+		}
+
+		/* Data must be byte aligned */
+		if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+			ZUC_LOG_ERR("Offset");
+			break;
+		}
+
+		length_in_bits = ops[i]->sym->auth.data.length;
+
+		src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
+				(ops[i]->sym->auth.data.offset >> 3);
+
+		if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
+			dst = (uint32_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
+					ops[i]->sym->auth.digest.length);
+
+			sso_zuc_eia3_1_buffer(session->pKey_hash,
+					ops[i]->sym->auth.aad.data, src,
+					length_in_bits,	dst);
+			/* Verify digest. */
+			if (memcmp(dst, ops[i]->sym->auth.digest.data,
+					ops[i]->sym->auth.digest.length) != 0)
+				ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+
+			/* Trim area used for digest from mbuf. */
+			rte_pktmbuf_trim(ops[i]->sym->m_src,
+					ops[i]->sym->auth.digest.length);
+		} else  {
+			dst = (uint32_t *)ops[i]->sym->auth.digest.data;
+
+			sso_zuc_eia3_1_buffer(session->pKey_hash,
+					ops[i]->sym->auth.aad.data, src,
+					length_in_bits, dst);
+		}
+		processed_ops++;
+	}
+
+	return processed_ops;
+}
+
+/** Process a batch of crypto ops which shares the same session. */
+static int
+process_ops(struct rte_crypto_op **ops, struct zuc_session *session,
+		struct zuc_qp *qp, uint8_t num_ops,
+		uint16_t *accumulated_enqueued_ops)
+{
+	unsigned i;
+	unsigned enqueued_ops, processed_ops;
+
+	switch (session->op) {
+	case ZUC_OP_ONLY_CIPHER:
+		processed_ops = process_zuc_cipher_op(ops,
+				session, num_ops);
+		break;
+	case ZUC_OP_ONLY_AUTH:
+		processed_ops = process_zuc_hash_op(ops, session,
+				num_ops);
+		break;
+	case ZUC_OP_CIPHER_AUTH:
+		processed_ops = process_zuc_cipher_op(ops, session,
+				num_ops);
+		process_zuc_hash_op(ops, session, processed_ops);
+		break;
+	case ZUC_OP_AUTH_CIPHER:
+		processed_ops = process_zuc_hash_op(ops, session,
+				num_ops);
+		process_zuc_cipher_op(ops, session, processed_ops);
+		break;
+	default:
+		/* Operation not supported. */
+		processed_ops = 0;
+	}
+
+	for (i = 0; i < num_ops; i++) {
+		/*
+		 * If there was no error/authentication failure,
+		 * change status to successful.
+		 */
+		if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
+			ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+		/* Free session if a session-less crypto op. */
+		if (ops[i]->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+			rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
+			ops[i]->sym->session = NULL;
+		}
+	}
+
+	enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
+			(void **)ops, processed_ops, NULL);
+	qp->qp_stats.enqueued_count += enqueued_ops;
+	*accumulated_enqueued_ops += enqueued_ops;
+
+	return enqueued_ops;
+}
+
+static uint16_t
+zuc_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
+		uint16_t nb_ops)
+{
+	struct rte_crypto_op *c_ops[ZUC_MAX_BURST];
+	struct rte_crypto_op *curr_c_op;
+
+	struct zuc_session *prev_sess = NULL, *curr_sess = NULL;
+	struct zuc_qp *qp = queue_pair;
+	unsigned i;
+	uint8_t burst_size = 0;
+	uint16_t enqueued_ops = 0;
+	uint8_t processed_ops;
+
+	for (i = 0; i < nb_ops; i++) {
+		curr_c_op = ops[i];
+
+		/* Set status as enqueued (not processed yet) by default. */
+		curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+		curr_sess = zuc_get_session(qp, curr_c_op);
+		if (unlikely(curr_sess == NULL ||
+				curr_sess->op == ZUC_OP_NOT_SUPPORTED)) {
+			curr_c_op->status =
+					RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+			break;
+		}
+
+		/* Batch ops that share the same session. */
+		if (prev_sess == NULL) {
+			prev_sess = curr_sess;
+			c_ops[burst_size++] = curr_c_op;
+		} else if (curr_sess == prev_sess) {
+			c_ops[burst_size++] = curr_c_op;
+			/*
+			 * When there are enough ops to process in a batch,
+			 * process them, and start a new batch.
+			 */
+			if (burst_size == ZUC_MAX_BURST) {
+				processed_ops = process_ops(c_ops, prev_sess,
+						qp, burst_size, &enqueued_ops);
+				if (processed_ops < burst_size) {
+					burst_size = 0;
+					break;
+				}
+
+				burst_size = 0;
+				prev_sess = NULL;
+			}
+		} else {
+			/*
+			 * Different session, process the ops
+			 * of the previous session.
+			 */
+			processed_ops = process_ops(c_ops, prev_sess,
+					qp, burst_size, &enqueued_ops);
+			if (processed_ops < burst_size) {
+				burst_size = 0;
+				break;
+			}
+
+			burst_size = 0;
+			prev_sess = curr_sess;
+
+			c_ops[burst_size++] = curr_c_op;
+		}
+	}
+
+	if (burst_size != 0) {
+		/* Process the crypto ops of the last session. */
+		processed_ops = process_ops(c_ops, prev_sess,
+				qp, burst_size, &enqueued_ops);
+	}
+
+	qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
+	return enqueued_ops;
+}
+
+static uint16_t
+zuc_pmd_dequeue_burst(void *queue_pair,
+		struct rte_crypto_op **c_ops, uint16_t nb_ops)
+{
+	struct zuc_qp *qp = queue_pair;
+
+	unsigned nb_dequeued;
+
+	nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
+			(void **)c_ops, nb_ops, NULL);
+	qp->qp_stats.dequeued_count += nb_dequeued;
+
+	return nb_dequeued;
+}
+
+static int cryptodev_zuc_remove(struct rte_vdev_device *vdev);
+
+static int
+cryptodev_zuc_create(const char *name,
+		struct rte_vdev_device *vdev,
+		struct rte_crypto_vdev_init_params *init_params)
+{
+	struct rte_cryptodev *dev;
+	struct zuc_private *internals;
+	uint64_t cpu_flags = 0;
+
+	if (init_params->name[0] == '\0')
+		snprintf(init_params->name, sizeof(init_params->name),
+				"%s", name);
+
+	/* Check CPU for supported vector instruction set */
+	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
+		cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
+	else {
+		ZUC_LOG_ERR("Vector instructions are not supported by CPU");
+		return -EFAULT;
+	}
+
+	dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name,
+			sizeof(struct zuc_private), init_params->socket_id);
+	if (dev == NULL) {
+		ZUC_LOG_ERR("failed to create cryptodev vdev");
+		goto init_error;
+	}
+
+	dev->dev_type = RTE_CRYPTODEV_ZUC_PMD;
+	dev->dev_ops = rte_zuc_pmd_ops;
+
+	/* Register RX/TX burst functions for data path. */
+	dev->dequeue_burst = zuc_pmd_dequeue_burst;
+	dev->enqueue_burst = zuc_pmd_enqueue_burst;
+
+	dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+			RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+			cpu_flags;
+
+	internals = dev->data->dev_private;
+
+	internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
+	internals->max_nb_sessions = init_params->max_nb_sessions;
+
+	return 0;
+init_error:
+	ZUC_LOG_ERR("driver %s: cryptodev_zuc_create failed",
+			init_params->name);
+
+	cryptodev_zuc_remove(vdev);
+	return -EFAULT;
+}
+
+static int
+cryptodev_zuc_probe(struct rte_vdev_device *vdev)
+{
+	struct rte_crypto_vdev_init_params init_params = {
+		RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
+		RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
+		rte_socket_id(),
+		{0}
+	};
+	const char *name;
+	const char *input_args;
+
+	name = rte_vdev_device_name(vdev);
+	if (name == NULL)
+		return -EINVAL;
+	input_args = rte_vdev_device_args(vdev);
+
+	rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+
+	RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
+			init_params.socket_id);
+	if (init_params.name[0] != '\0')
+		RTE_LOG(INFO, PMD, "  User defined name = %s\n",
+			init_params.name);
+	RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
+			init_params.max_nb_queue_pairs);
+	RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
+			init_params.max_nb_sessions);
+
+	return cryptodev_zuc_create(name, vdev, &init_params);
+}
+
+static int
+cryptodev_zuc_remove(struct rte_vdev_device *vdev)
+{
+	const char *name;
+
+	name = rte_vdev_device_name(vdev);
+	if (name == NULL)
+		return -EINVAL;
+
+	RTE_LOG(INFO, PMD, "Closing ZUC crypto device %s"
+			" on numa socket %u\n",
+			name, rte_socket_id());
+
+	return 0;
+}
+
+static struct rte_vdev_driver cryptodev_zuc_pmd_drv = {
+	.probe = cryptodev_zuc_probe,
+	.remove = cryptodev_zuc_remove
+};
+
+RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_ZUC_PMD, cryptodev_zuc_pmd_drv);
+RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_ZUC_PMD,
+	"max_nb_queue_pairs=<int> "
+	"max_nb_sessions=<int> "
+	"socket_id=<int>");
diff --git a/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd_ops.c b/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd_ops.c
new file mode 100644
index 00000000..e793459c
--- /dev/null
+++ b/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd_ops.c
@@ -0,0 +1,343 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   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.
+ */
+
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_malloc.h>
+#include <rte_cryptodev_pmd.h>
+
+#include "rte_zuc_pmd_private.h"
+
+static const struct rte_cryptodev_capabilities zuc_pmd_capabilities[] = {
+	{	/* ZUC (EIA3) */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{.sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+			{.auth = {
+				.algo = RTE_CRYPTO_AUTH_ZUC_EIA3,
+				.block_size = 16,
+				.key_size = {
+					.min = 16,
+					.max = 16,
+					.increment = 0
+				},
+				.digest_size = {
+					.min = 4,
+					.max = 4,
+					.increment = 0
+				},
+				.aad_size = {
+					.min = 16,
+					.max = 16,
+					.increment = 0
+				}
+			}, }
+		}, }
+	},
+	{	/* ZUC (EEA3) */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{.sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+			{.cipher = {
+				.algo = RTE_CRYPTO_CIPHER_ZUC_EEA3,
+				.block_size = 16,
+				.key_size = {
+					.min = 16,
+					.max = 16,
+					.increment = 0
+				},
+				.iv_size = {
+					.min = 16,
+					.max = 16,
+					.increment = 0
+				}
+			}, }
+		}, }
+	},
+	RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
+};
+
+/** Configure device */
+static int
+zuc_pmd_config(__rte_unused struct rte_cryptodev *dev,
+		__rte_unused struct rte_cryptodev_config *config)
+{
+	return 0;
+}
+
+/** Start device */
+static int
+zuc_pmd_start(__rte_unused struct rte_cryptodev *dev)
+{
+	return 0;
+}
+
+/** Stop device */
+static void
+zuc_pmd_stop(__rte_unused struct rte_cryptodev *dev)
+{
+}
+
+/** Close device */
+static int
+zuc_pmd_close(__rte_unused struct rte_cryptodev *dev)
+{
+	return 0;
+}
+
+
+/** Get device statistics */
+static void
+zuc_pmd_stats_get(struct rte_cryptodev *dev,
+		struct rte_cryptodev_stats *stats)
+{
+	int qp_id;
+
+	for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
+		struct zuc_qp *qp = dev->data->queue_pairs[qp_id];
+
+		stats->enqueued_count += qp->qp_stats.enqueued_count;
+		stats->dequeued_count += qp->qp_stats.dequeued_count;
+
+		stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
+		stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
+	}
+}
+
+/** Reset device statistics */
+static void
+zuc_pmd_stats_reset(struct rte_cryptodev *dev)
+{
+	int qp_id;
+
+	for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
+		struct zuc_qp *qp = dev->data->queue_pairs[qp_id];
+
+		memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
+	}
+}
+
+
+/** Get device info */
+static void
+zuc_pmd_info_get(struct rte_cryptodev *dev,
+		struct rte_cryptodev_info *dev_info)
+{
+	struct zuc_private *internals = dev->data->dev_private;
+
+	if (dev_info != NULL) {
+		dev_info->dev_type = dev->dev_type;
+		dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
+		dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
+		dev_info->feature_flags = dev->feature_flags;
+		dev_info->capabilities = zuc_pmd_capabilities;
+	}
+}
+
+/** Release queue pair */
+static int
+zuc_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
+{
+	if (dev->data->queue_pairs[qp_id] != NULL) {
+		rte_free(dev->data->queue_pairs[qp_id]);
+		dev->data->queue_pairs[qp_id] = NULL;
+	}
+	return 0;
+}
+
+/** set a unique name for the queue pair based on its name, dev_id and qp_id */
+static int
+zuc_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
+		struct zuc_qp *qp)
+{
+	unsigned n = snprintf(qp->name, sizeof(qp->name),
+			"zuc_pmd_%u_qp_%u",
+			dev->data->dev_id, qp->id);
+
+	if (n > sizeof(qp->name))
+		return -1;
+
+	return 0;
+}
+
+/** Create a ring to place processed ops on */
+static struct rte_ring *
+zuc_pmd_qp_create_processed_ops_ring(struct zuc_qp *qp,
+		unsigned ring_size, int socket_id)
+{
+	struct rte_ring *r;
+
+	r = rte_ring_lookup(qp->name);
+	if (r) {
+		if (rte_ring_get_size(r) >= ring_size) {
+			ZUC_LOG_INFO("Reusing existing ring %s"
+					" for processed packets",
+					 qp->name);
+			return r;
+		}
+
+		ZUC_LOG_ERR("Unable to reuse existing ring %s"
+				" for processed packets",
+				 qp->name);
+		return NULL;
+	}
+
+	return rte_ring_create(qp->name, ring_size, socket_id,
+			RING_F_SP_ENQ | RING_F_SC_DEQ);
+}
+
+/** Setup a queue pair */
+static int
+zuc_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
+		const struct rte_cryptodev_qp_conf *qp_conf,
+		 int socket_id)
+{
+	struct zuc_qp *qp = NULL;
+
+	/* Free memory prior to re-allocation if needed. */
+	if (dev->data->queue_pairs[qp_id] != NULL)
+		zuc_pmd_qp_release(dev, qp_id);
+
+	/* Allocate the queue pair data structure. */
+	qp = rte_zmalloc_socket("ZUC PMD Queue Pair", sizeof(*qp),
+					RTE_CACHE_LINE_SIZE, socket_id);
+	if (qp == NULL)
+		return (-ENOMEM);
+
+	qp->id = qp_id;
+	dev->data->queue_pairs[qp_id] = qp;
+
+	if (zuc_pmd_qp_set_unique_name(dev, qp))
+		goto qp_setup_cleanup;
+
+	qp->processed_ops = zuc_pmd_qp_create_processed_ops_ring(qp,
+			qp_conf->nb_descriptors, socket_id);
+	if (qp->processed_ops == NULL)
+		goto qp_setup_cleanup;
+
+	qp->sess_mp = dev->data->session_pool;
+
+	memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
+
+	return 0;
+
+qp_setup_cleanup:
+	if (qp)
+		rte_free(qp);
+
+	return -1;
+}
+
+/** Start queue pair */
+static int
+zuc_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
+		__rte_unused uint16_t queue_pair_id)
+{
+	return -ENOTSUP;
+}
+
+/** Stop queue pair */
+static int
+zuc_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
+		__rte_unused uint16_t queue_pair_id)
+{
+	return -ENOTSUP;
+}
+
+/** Return the number of allocated queue pairs */
+static uint32_t
+zuc_pmd_qp_count(struct rte_cryptodev *dev)
+{
+	return dev->data->nb_queue_pairs;
+}
+
+/** Returns the size of the ZUC session structure */
+static unsigned
+zuc_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
+{
+	return sizeof(struct zuc_session);
+}
+
+/** Configure a ZUC session from a crypto xform chain */
+static void *
+zuc_pmd_session_configure(struct rte_cryptodev *dev __rte_unused,
+		struct rte_crypto_sym_xform *xform,	void *sess)
+{
+	if (unlikely(sess == NULL)) {
+		ZUC_LOG_ERR("invalid session struct");
+		return NULL;
+	}
+
+	if (zuc_set_session_parameters(sess, xform) != 0) {
+		ZUC_LOG_ERR("failed configure session parameters");
+		return NULL;
+	}
+
+	return sess;
+}
+
+/** Clear the memory of session so it doesn't leave key material behind */
+static void
+zuc_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
+{
+	/*
+	 * Current just resetting the whole data structure, need to investigate
+	 * whether a more selective reset of key would be more performant
+	 */
+	if (sess)
+		memset(sess, 0, sizeof(struct zuc_session));
+}
+
+struct rte_cryptodev_ops zuc_pmd_ops = {
+		.dev_configure      = zuc_pmd_config,
+		.dev_start          = zuc_pmd_start,
+		.dev_stop           = zuc_pmd_stop,
+		.dev_close          = zuc_pmd_close,
+
+		.stats_get          = zuc_pmd_stats_get,
+		.stats_reset        = zuc_pmd_stats_reset,
+
+		.dev_infos_get      = zuc_pmd_info_get,
+
+		.queue_pair_setup   = zuc_pmd_qp_setup,
+		.queue_pair_release = zuc_pmd_qp_release,
+		.queue_pair_start   = zuc_pmd_qp_start,
+		.queue_pair_stop    = zuc_pmd_qp_stop,
+		.queue_pair_count   = zuc_pmd_qp_count,
+
+		.session_get_size   = zuc_pmd_session_get_size,
+		.session_configure  = zuc_pmd_session_configure,
+		.session_clear      = zuc_pmd_session_clear
+};
+
+struct rte_cryptodev_ops *rte_zuc_pmd_ops = &zuc_pmd_ops;
diff --git a/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd_private.h b/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd_private.h
new file mode 100644
index 00000000..030f120b
--- /dev/null
+++ b/src/seastar/dpdk/drivers/crypto/zuc/rte_zuc_pmd_private.h
@@ -0,0 +1,108 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   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.
+ */
+
+#ifndef _RTE_ZUC_PMD_PRIVATE_H_
+#define _RTE_ZUC_PMD_PRIVATE_H_
+
+#include <sso_zuc.h>
+
+#define ZUC_LOG_ERR(fmt, args...) \
+	RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n",  \
+			RTE_STR(CRYPTODEV_NAME_ZUC_PMD), \
+			__func__, __LINE__, ## args)
+
+#ifdef RTE_LIBRTE_ZUC_DEBUG
+#define ZUC_LOG_INFO(fmt, args...) \
+	RTE_LOG(INFO, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
+			RTE_STR(CRYPTODEV_NAME_ZUC_PMD), \
+			__func__, __LINE__, ## args)
+
+#define ZUC_LOG_DBG(fmt, args...) \
+	RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
+			RTE_STR(CRYPTODEV_NAME_ZUC_PMD), \
+			__func__, __LINE__, ## args)
+#else
+#define ZUC_LOG_INFO(fmt, args...)
+#define ZUC_LOG_DBG(fmt, args...)
+#endif
+
+#define ZUC_IV_KEY_LENGTH 16
+/** private data structure for each virtual ZUC device */
+struct zuc_private {
+	unsigned max_nb_queue_pairs;
+	/**< Max number of queue pairs supported by device */
+	unsigned max_nb_sessions;
+	/**< Max number of sessions supported by device */
+};
+
+/** ZUC buffer queue pair */
+struct zuc_qp {
+	uint16_t id;
+	/**< Queue Pair Identifier */
+	char name[RTE_CRYPTODEV_NAME_LEN];
+	/**< Unique Queue Pair Name */
+	struct rte_ring *processed_ops;
+	/**< Ring for placing processed ops */
+	struct rte_mempool *sess_mp;
+	/**< Session Mempool */
+	struct rte_cryptodev_stats qp_stats;
+	/**< Queue pair statistics */
+} __rte_cache_aligned;
+
+enum zuc_operation {
+	ZUC_OP_ONLY_CIPHER,
+	ZUC_OP_ONLY_AUTH,
+	ZUC_OP_CIPHER_AUTH,
+	ZUC_OP_AUTH_CIPHER,
+	ZUC_OP_NOT_SUPPORTED
+};
+
+/** ZUC private session structure */
+struct zuc_session {
+	enum zuc_operation op;
+	enum rte_crypto_auth_operation auth_op;
+	uint8_t pKey_cipher[ZUC_IV_KEY_LENGTH];
+	uint8_t pKey_hash[ZUC_IV_KEY_LENGTH];
+} __rte_cache_aligned;
+
+
+extern int
+zuc_set_session_parameters(struct zuc_session *sess,
+		const struct rte_crypto_sym_xform *xform);
+
+
+/** device specific operations function pointer structure */
+extern struct rte_cryptodev_ops *rte_zuc_pmd_ops;
+
+
+
+#endif /* _RTE_ZUC_PMD_PRIVATE_H_ */