[PATCH v3 6/8] zsda: add zsda crypto-pmd

[Hanxiao Li <li.hanxiao@zte.com.cn>]

[-- Attachment #1.1.1: Type: text/plain, Size: 18247 bytes --]

Add new file zsda_sym_pmd.c, zsda_sym_pmd.h in drivers/crypto/zsda

Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
 drivers/crypto/zsda/zsda_sym_capabilities.h | 112 +++++
 drivers/crypto/zsda/zsda_sym_pmd.c          | 429 ++++++++++++++++++++
 drivers/crypto/zsda/zsda_sym_pmd.h          |  35 ++
 3 files changed, 576 insertions(+)
 create mode 100644 drivers/crypto/zsda/zsda_sym_capabilities.h
 create mode 100644 drivers/crypto/zsda/zsda_sym_pmd.c
 create mode 100644 drivers/crypto/zsda/zsda_sym_pmd.h

diff --git a/drivers/crypto/zsda/zsda_sym_capabilities.h b/drivers/crypto/zsda/zsda_sym_capabilities.h
new file mode 100644
index 0000000000..dd387b36ad
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_capabilities.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_SYM_CAPABILITIES_H_
+#define _ZSDA_SYM_CAPABILITIES_H_
+
+static const struct rte_cryptodev_capabilities zsda_crypto_sym_capabilities[] = {
+	{/* SHA1 */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{ .sym = {.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+			{ .auth = {
+				.algo = RTE_CRYPTO_AUTH_SHA1,
+				.block_size = 64,
+				.key_size = {.min = 0, .max = 0, .increment = 0},
+				.digest_size = {.min = 20, .max = 20, .increment = 2},
+				.iv_size = {0} },
+			}	},
+		}
+	},
+	{/* SHA224 */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{ .sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+			{ .auth = {
+				.algo = RTE_CRYPTO_AUTH_SHA224,
+				.block_size = 64,
+				.key_size = {.min = 0, .max = 0, .increment = 0},
+				.digest_size = {.min = 28, .max = 28, .increment = 0},
+				.iv_size = {0} },
+			}	},
+		}
+	},
+	{/* SHA256 */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{ .sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+			{ .auth = {
+				.algo = RTE_CRYPTO_AUTH_SHA256,
+				.block_size = 64,
+				.key_size = {.min = 0, .max = 0, .increment = 0},
+				.digest_size = {.min = 32, .max = 32, .increment = 0},
+				.iv_size = {0} },
+			} },
+		}
+	},
+	{/* SHA384 */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{ .sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+			{ .auth = {
+				.algo = RTE_CRYPTO_AUTH_SHA384,
+				.block_size = 128,
+				.key_size = {.min = 0, .max = 0, .increment = 0},
+				.digest_size = {.min = 48, .max = 48, .increment = 0},
+				.iv_size = {0} },
+			} },
+		}
+	},
+	{/* SHA512 */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{ .sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+			{ .auth = {
+				.algo = RTE_CRYPTO_AUTH_SHA512,
+				.block_size = 128,
+				.key_size = {.min = 0, .max = 0, .increment = 0},
+				.digest_size = {.min = 64, .max = 64, .increment = 0},
+				.iv_size = {0} },
+			} },
+		}
+	},
+	{/* SM3 */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{ .sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+			{ .auth = {
+				.algo = RTE_CRYPTO_AUTH_SM3,
+				.block_size = 64,
+				.key_size = {.min = 0, .max = 0, .increment = 0},
+				.digest_size = {.min = 32, .max = 32, .increment = 0},
+				.iv_size = {0} },
+			} },
+		}
+	},
+	{/* AES XTS */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{ .sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+			{ .cipher = {
+				.algo = RTE_CRYPTO_CIPHER_AES_XTS,
+				.block_size = 16,
+				.key_size = {.min = 16, .max = 32, .increment = 16},
+				.iv_size = {.min = 16, .max = 16, .increment = 0} },
+			} },
+		}
+	},
+	{/* SM4 XTS */
+		.op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+		{ .sym = {
+			.xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+			{ .cipher = {
+				.algo = RTE_CRYPTO_CIPHER_SM4_XTS,
+				.block_size = 16,
+				.key_size = {.min = 32, .max = 32, .increment = 0},
+				.iv_size = {.min = 16, .max = 16, .increment = 0} },
+			} },
+		}
+	}
+};
+#endif /* _ZSDA_SYM_CAPABILITIES_H_ */
+
diff --git a/drivers/crypto/zsda/zsda_sym_pmd.c b/drivers/crypto/zsda/zsda_sym_pmd.c
new file mode 100644
index 0000000000..bf540cc3d1
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_pmd.c
@@ -0,0 +1,429 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include <rte_cryptodev.h>
+
+#include "cryptodev_pmd.h"
+#include "zsda_logs.h"
+#include "zsda_sym.h"
+#include "zsda_sym_pmd.h"
+#include "zsda_sym_session.h"
+#include "zsda_sym_capabilities.h"
+
+uint8_t zsda_sym_driver_id;
+
+static int
+zsda_sym_dev_config(__rte_unused struct rte_cryptodev *dev,
+		    __rte_unused struct rte_cryptodev_config *config)
+{
+	return ZSDA_SUCCESS;
+}
+
+static int zsda_sym_qp_release(struct rte_cryptodev *dev,
+				uint16_t queue_pair_id);
+
+static int
+zsda_sym_dev_start(struct rte_cryptodev *dev)
+{
+	struct zsda_sym_dev_private *sym_dev = dev->data->dev_private;
+	int ret;
+
+	ret = zsda_queue_start(sym_dev->zsda_pci_dev->pci_dev);
+
+	if (ret)
+		ZSDA_LOG(ERR, E_START_Q);
+	return ret;
+}
+
+static void
+zsda_sym_dev_stop(struct rte_cryptodev *dev)
+{
+	struct zsda_sym_dev_private *sym_dev = dev->data->dev_private;
+
+	zsda_queue_stop(sym_dev->zsda_pci_dev->pci_dev);
+}
+
+static int
+zsda_sym_dev_close(struct rte_cryptodev *dev)
+{
+	int ret = 0;
+	uint16_t i;
+
+	for (i = 0; i < dev->data->nb_queue_pairs; i++)
+		ret |= zsda_sym_qp_release(dev, i);
+
+	return ret;
+}
+
+static void
+zsda_sym_dev_info_get(struct rte_cryptodev *dev,
+		      struct rte_cryptodev_info *info)
+{
+	struct zsda_sym_dev_private *sym_priv = dev->data->dev_private;
+
+	if (info != NULL) {
+		info->max_nb_queue_pairs =
+			zsda_crypto_max_nb_qps(sym_priv->zsda_pci_dev);
+		info->feature_flags = dev->feature_flags;
+		info->capabilities = sym_priv->zsda_dev_capabilities;
+		info->driver_id = zsda_sym_driver_id;
+		info->sym.max_nb_sessions = 0;
+	}
+}
+
+static void
+zsda_sym_stats_get(struct rte_cryptodev *dev, struct rte_cryptodev_stats *stats)
+{
+	struct zsda_common_stat comm = {0};
+
+	zsda_stats_get(dev->data->queue_pairs, dev->data->nb_queue_pairs,
+		       &comm);
+	stats->enqueued_count = comm.enqueued_count;
+	stats->dequeued_count = comm.dequeued_count;
+	stats->enqueue_err_count = comm.enqueue_err_count;
+	stats->dequeue_err_count = comm.dequeue_err_count;
+}
+
+static void
+zsda_sym_stats_reset(struct rte_cryptodev *dev)
+{
+	zsda_stats_reset(dev->data->queue_pairs, dev->data->nb_queue_pairs);
+}
+
+static int
+zsda_sym_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
+{
+	ZSDA_LOG(DEBUG, "Release sym qp %u on device %d", queue_pair_id,
+		 dev->data->dev_id);
+
+	return zsda_queue_pair_release(
+		(struct zsda_qp **)&(dev->data->queue_pairs[queue_pair_id]));
+}
+
+static int
+zsda_setup_encrypto_queue(struct zsda_pci_device *zsda_pci_dev, uint16_t qp_id,
+		     struct zsda_qp *qp, uint32_t nb_des, int socket_id)
+{
+	enum zsda_service_type type = ZSDA_SERVICE_SYMMETRIC_ENCRYPT;
+	struct zsda_qp_config conf;
+	int ret;
+	struct zsda_qp_hw *qp_hw;
+
+	qp_hw = zsda_qps_hw_per_service(zsda_pci_dev, type);
+	conf.hw = qp_hw->data + qp_id;
+	conf.service_type = type;
+	conf.cookie_size = sizeof(struct zsda_op_cookie);
+	conf.nb_descriptors = nb_des;
+	conf.socket_id = socket_id;
+	conf.service_str = "sym_encrypt";
+
+	ret = zsda_common_setup_qp(zsda_pci_dev->zsda_dev_id, &qp, qp_id, &conf);
+	qp->srv[type].rx_cb = zsda_crypto_callback;
+	qp->srv[type].tx_cb = zsda_build_cipher_request;
+	qp->srv[type].match = zsda_encry_match;
+
+	return ret;
+}
+
+static int
+zsda_setup_decrypto_queue(struct zsda_pci_device *zsda_pci_dev, uint16_t qp_id,
+		     struct zsda_qp *qp, uint32_t nb_des, int socket_id)
+{
+	enum zsda_service_type type = ZSDA_SERVICE_SYMMETRIC_DECRYPT;
+	struct zsda_qp_config conf;
+	int ret;
+	struct zsda_qp_hw *qp_hw;
+
+	qp_hw = zsda_qps_hw_per_service(zsda_pci_dev, type);
+	conf.hw = qp_hw->data + qp_id;
+	conf.service_type = type;
+
+	conf.cookie_size = sizeof(struct zsda_op_cookie);
+	conf.nb_descriptors = nb_des;
+	conf.socket_id = socket_id;
+	conf.service_str = "sym_decrypt";
+
+	ret = zsda_common_setup_qp(zsda_pci_dev->zsda_dev_id, &qp, qp_id, &conf);
+	qp->srv[type].rx_cb = zsda_crypto_callback;
+	qp->srv[type].tx_cb = zsda_build_cipher_request;
+	qp->srv[type].match = zsda_decry_match;
+
+	return ret;
+}
+
+static int
+zsda_setup_hash_queue(struct zsda_pci_device *zsda_pci_dev, uint16_t qp_id,
+		 struct zsda_qp *qp, uint32_t nb_des, int socket_id)
+{
+	enum zsda_service_type type = ZSDA_SERVICE_HASH_ENCODE;
+	struct zsda_qp_config conf;
+	int ret;
+	struct zsda_qp_hw *qp_hw;
+
+	qp_hw = zsda_qps_hw_per_service(zsda_pci_dev, type);
+	conf.hw = qp_hw->data + qp_id;
+	conf.service_type = type;
+	conf.cookie_size = sizeof(struct zsda_op_cookie);
+	conf.nb_descriptors = nb_des;
+	conf.socket_id = socket_id;
+	conf.service_str = "sym_hash";
+
+	ret = zsda_common_setup_qp(zsda_pci_dev->zsda_dev_id, &qp, qp_id, &conf);
+	qp->srv[type].rx_cb = zsda_crypto_callback;
+	qp->srv[type].tx_cb = zsda_build_hash_request;
+	qp->srv[type].match = zsda_hash_match;
+
+	return ret;
+}
+
+static int
+zsda_sym_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
+		  const struct rte_cryptodev_qp_conf *qp_conf,
+		  int socket_id)
+{
+	int ret;
+	struct zsda_qp *qp_new;
+
+	struct zsda_qp **qp_addr =
+		(struct zsda_qp **)&(dev->data->queue_pairs[qp_id]);
+	struct zsda_sym_dev_private *sym_priv = dev->data->dev_private;
+	struct zsda_pci_device *zsda_pci_dev = sym_priv->zsda_pci_dev;
+	uint16_t num_qps_encrypt = zsda_qps_per_service(
+		zsda_pci_dev, ZSDA_SERVICE_SYMMETRIC_ENCRYPT);
+	uint16_t num_qps_decrypt = zsda_qps_per_service(
+		zsda_pci_dev, ZSDA_SERVICE_SYMMETRIC_DECRYPT);
+	uint16_t num_qps_hash = zsda_qps_per_service(
+		zsda_pci_dev, ZSDA_SERVICE_HASH_ENCODE);
+
+	uint32_t nb_des = qp_conf->nb_descriptors;
+	nb_des = (nb_des == NB_DES) ? nb_des : NB_DES;
+
+	if (*qp_addr != NULL) {
+		ret = zsda_sym_qp_release(dev, qp_id);
+		if (ret)
+			return ret;
+	}
+
+	qp_new = rte_zmalloc_socket("zsda PMD qp metadata", sizeof(*qp_new),
+				    RTE_CACHE_LINE_SIZE, socket_id);
+	if (qp_new == NULL) {
+		ZSDA_LOG(ERR, "Failed to alloc mem for qp struct");
+		return -ENOMEM;
+	}
+
+	if (num_qps_encrypt == MAX_QPS_ON_FUNCTION)
+		ret = zsda_setup_encrypto_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+					    socket_id);
+	else if (num_qps_decrypt == MAX_QPS_ON_FUNCTION)
+		ret = zsda_setup_decrypto_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+					    socket_id);
+	else if (num_qps_hash == MAX_QPS_ON_FUNCTION)
+		ret = zsda_setup_hash_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+					socket_id);
+	else {
+		ret = zsda_setup_encrypto_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+					    socket_id);
+		ret |= zsda_setup_decrypto_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+					    socket_id);
+		ret |= zsda_setup_hash_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+					socket_id);
+	}
+
+	if (ret) {
+		rte_free(qp_new);
+		return ret;
+	}
+
+	qp_new->mmap_bar_addr =
+		sym_priv->zsda_pci_dev->pci_dev->mem_resource[0].addr;
+	*qp_addr = qp_new;
+
+	return ret;
+}
+
+static unsigned int
+zsda_sym_session_get_private_size(struct rte_cryptodev *dev __rte_unused)
+{
+	return RTE_ALIGN_CEIL(sizeof(struct zsda_sym_session), 8);
+}
+
+static int
+zsda_sym_session_configure(struct rte_cryptodev *dev __rte_unused,
+			   struct rte_crypto_sym_xform *xform,
+			   struct rte_cryptodev_sym_session *sess)
+{
+	void *sess_private_data;
+	int ret;
+
+	if (unlikely(sess == NULL)) {
+		ZSDA_LOG(ERR, "Invalid session struct");
+		return -EINVAL;
+	}
+
+	sess_private_data = CRYPTODEV_GET_SYM_SESS_PRIV(sess);
+
+	ret = zsda_crypto_set_session_parameters(
+			sess_private_data, xform);
+
+	if (ret != 0) {
+		ZSDA_LOG(ERR, "Failed configure session parameters");
+		return ret;
+	}
+
+	return 0;
+}
+
+static void
+zsda_sym_session_clear(struct rte_cryptodev *dev __rte_unused,
+			struct rte_cryptodev_sym_session  *sess __rte_unused)
+{}
+
+static struct rte_cryptodev_ops crypto_zsda_ops = {
+
+	.dev_configure = zsda_sym_dev_config,
+	.dev_start = zsda_sym_dev_start,
+	.dev_stop = zsda_sym_dev_stop,
+	.dev_close = zsda_sym_dev_close,
+	.dev_infos_get = zsda_sym_dev_info_get,
+
+	.stats_get = zsda_sym_stats_get,
+	.stats_reset = zsda_sym_stats_reset,
+	.queue_pair_setup = zsda_sym_qp_setup,
+	.queue_pair_release = zsda_sym_qp_release,
+
+	.sym_session_get_size = zsda_sym_session_get_private_size,
+	.sym_session_configure = zsda_sym_session_configure,
+	.sym_session_clear = zsda_sym_session_clear,
+};
+
+static uint16_t
+zsda_sym_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
+			      uint16_t nb_ops)
+{
+	return zsda_enqueue_op_burst((struct zsda_qp *)qp, (void **)ops,
+				     nb_ops);
+}
+
+static uint16_t
+zsda_sym_pmd_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
+			      uint16_t nb_ops)
+{
+	return zsda_dequeue_op_burst((struct zsda_qp *)qp, (void **)ops,
+				     nb_ops);
+}
+
+static const char zsda_sym_drv_name[] = RTE_STR(CRYPTODEV_NAME_ZSDA_SYM_PMD);
+static const struct rte_driver cryptodev_zsda_sym_driver = {
+	.name = zsda_sym_drv_name, .alias = zsda_sym_drv_name};
+
+int
+zsda_sym_dev_create(struct zsda_pci_device *zsda_pci_dev)
+{
+	int ret = 0;
+	struct zsda_device_info *dev_info =
+		&zsda_devs[zsda_pci_dev->zsda_dev_id];
+
+	struct rte_cryptodev_pmd_init_params init_params = {
+		.name = "",
+		.socket_id = (int)rte_socket_id(),
+		.private_data_size = sizeof(struct zsda_sym_dev_private)};
+
+	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
+	char capa_memz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+	struct rte_cryptodev *cryptodev;
+	struct zsda_sym_dev_private *sym_priv;
+	const struct rte_cryptodev_capabilities *capabilities;
+	uint64_t capa_size;
+
+	init_params.max_nb_queue_pairs = zsda_crypto_max_nb_qps(zsda_pci_dev);
+	snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN, "%s_%s", zsda_pci_dev->name,
+		 "sym_encrypt");
+	ZSDA_LOG(DEBUG, "Creating ZSDA SYM device %s", name);
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return ZSDA_SUCCESS;
+
+	dev_info->sym_rte_dev.driver = &cryptodev_zsda_sym_driver;
+	dev_info->sym_rte_dev.numa_node = dev_info->pci_dev->device.numa_node;
+	dev_info->sym_rte_dev.devargs = NULL;
+
+	cryptodev = rte_cryptodev_pmd_create(name, &(dev_info->sym_rte_dev),
+					     &init_params);
+
+	if (cryptodev == NULL)
+		return -ENODEV;
+
+	dev_info->sym_rte_dev.name = cryptodev->data->name;
+	cryptodev->driver_id = zsda_sym_driver_id;
+
+	cryptodev->dev_ops = &crypto_zsda_ops;
+
+	cryptodev->enqueue_burst = zsda_sym_pmd_enqueue_op_burst;
+	cryptodev->dequeue_burst = zsda_sym_pmd_dequeue_op_burst;
+
+	cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+				   RTE_CRYPTODEV_FF_SYM_SESSIONLESS |
+				   RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
+				   RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT |
+				   RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
+				   RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
+				   RTE_CRYPTODEV_FF_HW_ACCELERATED;
+
+	sym_priv = cryptodev->data->dev_private;
+	sym_priv->zsda_pci_dev = zsda_pci_dev;
+	capabilities = zsda_crypto_sym_capabilities;
+	capa_size = sizeof(zsda_crypto_sym_capabilities);
+
+	snprintf(capa_memz_name, RTE_CRYPTODEV_NAME_MAX_LEN, "ZSDA_SYM_CAPA");
+
+	sym_priv->capa_mz = rte_memzone_lookup(capa_memz_name);
+	if (sym_priv->capa_mz == NULL)
+		sym_priv->capa_mz = rte_memzone_reserve(
+			capa_memz_name, capa_size, rte_socket_id(), 0);
+
+	if (sym_priv->capa_mz == NULL) {
+		ZSDA_LOG(ERR, E_MALLOC);
+		ret = -EFAULT;
+		goto error;
+	}
+
+	memcpy(sym_priv->capa_mz->addr, capabilities, capa_size);
+	sym_priv->zsda_dev_capabilities = sym_priv->capa_mz->addr;
+
+	zsda_pci_dev->sym_dev = sym_priv;
+
+	return ZSDA_SUCCESS;
+
+error:
+
+	rte_cryptodev_pmd_destroy(cryptodev);
+	memset(&dev_info->sym_rte_dev, 0, sizeof(dev_info->sym_rte_dev));
+
+	return ret;
+}
+
+int
+zsda_sym_dev_destroy(struct zsda_pci_device *zsda_pci_dev)
+{
+	struct rte_cryptodev *cryptodev;
+
+	if (zsda_pci_dev == NULL)
+		return -ENODEV;
+	if (zsda_pci_dev->sym_dev == NULL)
+		return ZSDA_SUCCESS;
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+		rte_memzone_free(zsda_pci_dev->sym_dev->capa_mz);
+
+	cryptodev = rte_cryptodev_pmd_get_dev(zsda_pci_dev->zsda_dev_id);
+
+	rte_cryptodev_pmd_destroy(cryptodev);
+	zsda_devs[zsda_pci_dev->zsda_dev_id].sym_rte_dev.name = NULL;
+	zsda_pci_dev->sym_dev = NULL;
+
+	return ZSDA_SUCCESS;
+}
+
+static struct cryptodev_driver zsda_crypto_drv;
+RTE_PMD_REGISTER_CRYPTO_DRIVER(zsda_crypto_drv, cryptodev_zsda_sym_driver,
+			       zsda_sym_driver_id);
diff --git a/drivers/crypto/zsda/zsda_sym_pmd.h b/drivers/crypto/zsda/zsda_sym_pmd.h
new file mode 100644
index 0000000000..77175fed47
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_pmd.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_SYM_PMD_H_
+#define _ZSDA_SYM_PMD_H_
+
+#include "zsda_device.h"
+
+/** ZSDA Symmetric Crypto PMD driver name */
+#define CRYPTODEV_NAME_ZSDA_SYM_PMD crypto_zsda
+
+extern uint8_t zsda_sym_driver_id;
+
+/** private data structure for a ZSDA device.
+ * This ZSDA device is a device offering only symmetric crypto service,
+ * there can be one of these on each zsda_pci_device (VF).
+ */
+struct zsda_sym_dev_private {
+	struct zsda_pci_device *zsda_pci_dev;
+	/**< The zsda pci device hosting the service */
+
+	const struct rte_cryptodev_capabilities *zsda_dev_capabilities;
+	/* ZSDA device symmetric crypto capabilities */
+	const struct rte_memzone *capa_mz;
+	/* Shared memzone for storing capabilities */
+	uint16_t min_enq_burst_threshold;
+	uint32_t internal_capabilities; /* see flags ZSDA_SYM_CAP_xxx */
+};
+
+int zsda_sym_dev_create(struct zsda_pci_device *zsda_pci_dev);
+
+int zsda_sym_dev_destroy(struct zsda_pci_device *zsda_pci_dev);
+
+#endif /* _ZSDA_SYM_PMD_H_ */
-- 
2.27.0

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