+static unsigned int
+otx_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
+{
+ return sizeof(struct cpt_asym_sess_misc);
+}
+
+static int
+otx_cpt_asym_session_cfg(struct rte_cryptodev *dev,
+ struct rte_crypto_asym_xform *xform __rte_unused,
+ struct rte_cryptodev_asym_session *sess,
+ struct rte_mempool *pool)
+{
+ struct cpt_asym_sess_misc *priv;
+ int ret;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ if (rte_mempool_get(pool, (void **)&priv)) {
+ CPT_LOG_ERR("Could not allocate session private data");
+ return -ENOMEM;
+ }
+
+ memset(priv, 0, sizeof(struct cpt_asym_sess_misc));
+
+ ret = cpt_fill_asym_session_parameters(priv, xform);
+ if (ret) {
+ CPT_LOG_ERR("Could not configure session parameters");
+
+ /* Return session to mempool */
+ rte_mempool_put(pool, priv);
+ return ret;
+ }
+
+ set_asym_session_private_data(sess, dev->driver_id, priv);
+ return 0;
+}
+
+static void
+otx_cpt_asym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_asym_session *sess)
+{
+ struct cpt_asym_sess_misc *priv;
+ struct rte_mempool *sess_mp;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ priv = get_asym_session_private_data(sess, dev->driver_id);
+
+ if (priv == NULL)
+ return;
+
+ /* Free resources allocated during session configure */
+ cpt_free_asym_session_parameters(priv);
+ memset(priv, 0, otx_cpt_asym_session_size_get(dev));
+ sess_mp = rte_mempool_from_obj(priv);
+ set_asym_session_private_data(sess, dev->driver_id, NULL);
+ rte_mempool_put(sess_mp, priv);
+}
+
+static __rte_always_inline int32_t __rte_hot
+otx_cpt_request_enqueue(struct cpt_instance *instance,
+ struct pending_queue *pqueue,
+ void *req)
+{
+ struct cpt_request_info *user_req = (struct cpt_request_info *)req;
+
+ if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN))
+ return -EAGAIN;
+
+ fill_cpt_inst(instance, req);
+
+ CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
+
+ /* Fill time_out cycles */
+ user_req->time_out = rte_get_timer_cycles() +
+ DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
+ user_req->extra_time = 0;
+
+ /* Default mode of software queue */
+ mark_cpt_inst(instance);
+
+ pqueue->rid_queue[pqueue->enq_tail].rid = (uintptr_t)user_req;
+
+ /* We will use soft queue length here to limit requests */
+ MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN);
+ pqueue->pending_count += 1;
+
+ CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
+ "op: %p", user_req, user_req->op);
+ return 0;
+}
+
+static __rte_always_inline int __rte_hot
+otx_cpt_enq_single_asym(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue)
+{
+ struct cpt_qp_meta_info *minfo = &instance->meta_info;
+ struct rte_crypto_asym_op *asym_op = op->asym;
+ struct asym_op_params params = {0};
+ struct cpt_asym_sess_misc *sess;
+ uintptr_t *cop;
+ void *mdata;
+ int ret;
+
+ if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) {
+ CPT_LOG_DP_ERR("Could not allocate meta buffer for request");
+ return -ENOMEM;
+ }
+
+ sess = get_asym_session_private_data(asym_op->session,
+ otx_cryptodev_driver_id);
+
+ /* Store phys_addr of the mdata to meta_buf */
+ params.meta_buf = rte_mempool_virt2iova(mdata);
+
+ cop = mdata;
+ cop[0] = (uintptr_t)mdata;
+ cop[1] = (uintptr_t)op;
+ cop[2] = cop[3] = 0ULL;
+
+ params.req = RTE_PTR_ADD(cop, 4 * sizeof(uintptr_t));
+ params.req->op = cop;
+
+ /* Adjust meta_buf by crypto_op data and request_info struct */
+ params.meta_buf += (4 * sizeof(uintptr_t)) +
+ sizeof(struct cpt_request_info);
+
+ switch (sess->xfrm_type) {
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ ret = cpt_modex_prep(¶ms, &sess->mod_ctx);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ ret = cpt_enqueue_rsa_op(op, ¶ms, sess);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_ECDSA:
+ ret = cpt_enqueue_ecdsa_op(op, ¶ms, sess, otx_fpm_iova);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_ECPM:
+ ret = cpt_ecpm_prep(&asym_op->ecpm, ¶ms,
+ sess->ec_ctx.curveid);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+
+ default:
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ ret = -EINVAL;
+ goto req_fail;
+ }
+
+ ret = otx_cpt_request_enqueue(instance, pqueue, params.req);
+
+ if (unlikely(ret)) {
+ CPT_LOG_DP_ERR("Could not enqueue crypto req");
+ goto req_fail;
+ }
+
+ return 0;
+
+req_fail:
+ free_op_meta(mdata, minfo->pool);
+
+ return ret;
+}
+
+static __rte_always_inline int __rte_hot
+otx_cpt_enq_single_sym(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue)
+{
+ struct cpt_sess_misc *sess;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ void *prep_req, *mdata = NULL;
+ int ret = 0;
+ uint64_t cpt_op;
+
+ sess = (struct cpt_sess_misc *)
+ get_sym_session_private_data(sym_op->session,
+ otx_cryptodev_driver_id);
+
+ cpt_op = sess->cpt_op;
+
+ if (likely(cpt_op & CPT_OP_CIPHER_MASK))
+ ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
+ &prep_req);
+ else
+ ret = fill_digest_params(op, sess, &instance->meta_info,
+ &mdata, &prep_req);
+
+ if (unlikely(ret)) {
+ CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
+ "ret 0x%x", op, (unsigned int)cpt_op, ret);
+ return ret;
+ }
+
+ /* Enqueue prepared instruction to h/w */
+ ret = otx_cpt_request_enqueue(instance, pqueue, prep_req);
+
+ if (unlikely(ret)) {
+ /* Buffer allocated for request preparation need to be freed */
+ free_op_meta(mdata, instance->meta_info.pool);
+ return ret;
+ }
+
+ return 0;
+}
+
+static __rte_always_inline int __rte_hot
+otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue)
+{
+ struct cpt_sess_misc *sess;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ int ret;
+ void *sess_t = NULL;
+ void *sess_private_data_t = NULL;
+
+ /* Create tmp session */
+
+ if (rte_mempool_get(instance->sess_mp, (void **)&sess_t)) {
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ if (rte_mempool_get(instance->sess_mp_priv,
+ (void **)&sess_private_data_t)) {
+ ret = -ENOMEM;
+ goto free_sess;
+ }
+
+ sess = (struct cpt_sess_misc *)sess_private_data_t;
+
+ sess->ctx_dma_addr = rte_mempool_virt2iova(sess) +
+ sizeof(struct cpt_sess_misc);
+
+ ret = instance_session_cfg(sym_op->xform, (void *)sess);
+ if (unlikely(ret)) {
+ ret = -EINVAL;
+ goto free_sess_priv;
+ }
+
+ /* Save tmp session in op */
+
+ sym_op->session = (struct rte_cryptodev_sym_session *)sess_t;
+ set_sym_session_private_data(sym_op->session, otx_cryptodev_driver_id,
+ sess_private_data_t);
+
+ /* Enqueue op with the tmp session set */
+ ret = otx_cpt_enq_single_sym(instance, op, pqueue);
+
+ if (unlikely(ret))
+ goto free_sess_priv;
+
+ return 0;
+
+free_sess_priv:
+ rte_mempool_put(instance->sess_mp_priv, sess_private_data_t);
+free_sess:
+ rte_mempool_put(instance->sess_mp, sess_t);
+exit:
+ return ret;
+}
+
+#define OP_TYPE_SYM 0
+#define OP_TYPE_ASYM 1
+
+static __rte_always_inline int __rte_hot
+otx_cpt_enq_single(struct cpt_instance *inst,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue,
+ const uint8_t op_type)
+{
+ /* Check for the type */
+
+ if (op_type == OP_TYPE_SYM) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+ return otx_cpt_enq_single_sym(inst, op, pqueue);
+ else
+ return otx_cpt_enq_single_sym_sessless(inst, op,
+ pqueue);
+ }
+
+ if (op_type == OP_TYPE_ASYM) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+ return otx_cpt_enq_single_asym(inst, op, pqueue);
+ }
+
+ /* Should not reach here */
+ return -ENOTSUP;
+}
+
+static __rte_always_inline uint16_t __rte_hot
+otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
+ const uint8_t op_type)