[PATCH v15 20/21] crypto/zsda: add configuration of cryptodev_ops

[Hanxiao Li]

Add configuration of cryptodev_ops.

Signed-off-by: Hanxiao Li <li.hanxiao at zte.com.cn>
---
 drivers/crypto/zsda/zsda_sym_pmd.c | 309 +++++++++++++++++++++++++++++
 drivers/crypto/zsda/zsda_sym_pmd.h |  29 +++
 2 files changed, 338 insertions(+)
 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_pmd.c b/drivers/crypto/zsda/zsda_sym_pmd.c
new file mode 100644
index 0000000000..decc3bfb3c
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_pmd.c
@@ -0,0 +1,309 @@
+/* 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_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_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_sym_dev_close(struct rte_cryptodev *dev)
+{
+	int ret = ZSDA_SUCCESS;
+	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_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 = ZSDA_SUCCESS;
+	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;
+
+	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 != ZSDA_SUCCESS)
+		ZSDA_LOG(ERR, "Failed configure session parameters");
+
+	return ret;
+}
+
+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,
+};
diff --git a/drivers/crypto/zsda/zsda_sym_pmd.h b/drivers/crypto/zsda/zsda_sym_pmd.h
new file mode 100644
index 0000000000..a71b55f8fc
--- /dev/null
+++ b/drivers/crypto/zsda/zsda_sym_pmd.h
@@ -0,0 +1,29 @@
+/* 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 */
+};
+
+#endif /* _ZSDA_SYM_PMD_H_ */
-- 
2.27.0
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