The patch provides a series of interfaces for managing
and controlling the configuration, start, stop,
resource management, etc. of crypto devices.
Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
drivers/common/zsda/meson.build | 2 +-
drivers/crypto/zsda/zsda_sym_capabilities.h | 111 +++++
drivers/crypto/zsda/zsda_sym_pmd.c | 445 ++++++++++++++++++++
drivers/crypto/zsda/zsda_sym_pmd.h | 33 ++
4 files changed, 590 insertions(+), 1 deletion(-)
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/common/zsda/meson.build b/drivers/common/zsda/meson.build
index 59fd7a12ae..bf99ec5209 100644
--- a/drivers/common/zsda/meson.build
+++ b/drivers/common/zsda/meson.build
@@ -30,7 +30,7 @@ zsda_crypto_path = 'crypto/zsda'
zsda_crypto_relpath = '../../' + zsda_crypto_path
if zsda_crypto
libcrypto = dependency('libcrypto', required: false, method: 'pkg-config')
- foreach f: ['zsda_sym_session.c', 'zsda_sym.c']
+ foreach f: ['zsda_sym_session.c', 'zsda_sym.c', 'zsda_sym_pmd.c']
sources += files(join_paths(zsda_crypto_relpath, f))
endforeach
deps += ['security']
diff --git a/drivers/crypto/zsda/zsda_sym_capabilities.h b/drivers/crypto/zsda/zsda_sym_capabilities.h
new file mode 100644
index 0000000000..d9e6dc4b40
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_capabilities.h
@@ -0,0 +1,111 @@
+/* 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..5e9ad509ac
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_pmd.c
@@ -0,0 +1,445 @@
+/* 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 = 0;
+
+ 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 uint16_t
+zsda_sym_max_nb_qps(void)
+{
+ uint16_t encrypt = zsda_nb_qps.encrypt;
+ uint16_t decrypt = zsda_nb_qps.decrypt;
+ uint16_t hash = zsda_nb_qps.hash;
+ uint16_t min = 0;
+
+ if ((encrypt == MAX_QPS_ON_FUNCTION) ||
+ (decrypt == MAX_QPS_ON_FUNCTION) ||
+ (hash == MAX_QPS_ON_FUNCTION))
+ min = MAX_QPS_ON_FUNCTION;
+ else {
+ min = (encrypt < decrypt) ? encrypt : decrypt;
+ min = (min < hash) ? min : hash;
+ }
+
+ if (min == 0)
+ return MAX_QPS_ON_FUNCTION;
+ return min;
+}
+
+
+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_sym_max_nb_qps();
+ 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 = 0;
+ 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 = 0;
+ 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 = 0;
+ 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 = 0;
+ 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_nb_qps.encrypt;
+ uint16_t num_qps_decrypt = zsda_nb_qps.decrypt;
+ uint16_t num_qps_hash = zsda_nb_qps.hash;
+ 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_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 = 0;
+
+ 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_sym_max_nb_qps();
+ 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..5186feb37e
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_pmd.h
@@ -0,0 +1,33 @@
+/* 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 */
+};
+
+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