From: Vidya Sagar Velumuri <vvelum...@marvell.com>

Add support for sessionless asymmetric operations for cnxk

Signed-off-by: Vidya Sagar Velumuri <vvelum...@marvell.com>
---
 drivers/crypto/cnxk/cn10k_cryptodev_ops.c | 72 ++++++++++++++++++++++-
 drivers/crypto/cnxk/cn9k_cryptodev_ops.c  | 57 +++++++++++++++++-
 drivers/crypto/cnxk/cnxk_cryptodev.c      |  3 +-
 drivers/crypto/cnxk/cnxk_cryptodev_ops.c  |  5 +-
 4 files changed, 130 insertions(+), 7 deletions(-)

diff --git a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c 
b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
index 813a2deb66..4f7b34cc21 100644
--- a/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn10k_cryptodev_ops.c
@@ -76,6 +76,55 @@ cn10k_cpt_sym_temp_sess_create(struct cnxk_cpt_qp *qp, 
struct rte_crypto_op *op)
        return NULL;
 }
 
+static inline struct cnxk_ae_sess *
+cn10k_cpt_asym_temp_sess_create(struct cnxk_cpt_qp *qp, struct rte_crypto_op 
*op)
+{
+       struct rte_crypto_asym_op *asym_op = op->asym;
+       struct roc_cpt *roc_cpt = qp->lf.roc_cpt;
+       struct rte_cryptodev_asym_session *sess;
+       struct cnxk_ae_sess *priv;
+       struct cnxk_cpt_vf *vf;
+       union cpt_inst_w7 w7;
+       struct hw_ctx_s *hwc;
+
+       /* Create temporary session */
+       if (rte_mempool_get(qp->sess_mp, (void **)&sess) < 0)
+               return NULL;
+
+       priv = (struct cnxk_ae_sess *)sess;
+       if (cnxk_ae_fill_session_parameters(priv, asym_op->xform))
+               goto sess_put;
+
+       priv->lf = &qp->lf;
+
+       if (roc_errata_cpt_hang_on_mixed_ctx_val()) {
+               hwc = &priv->hw_ctx;
+               hwc->w0.s.aop_valid = 1;
+               hwc->w0.s.ctx_hdr_size = 0;
+               hwc->w0.s.ctx_size = 1;
+               hwc->w0.s.ctx_push_size = 1;
+
+               w7.s.ctx_val = 1;
+               w7.s.cptr = (uint64_t)hwc;
+       }
+
+       w7.u64 = 0;
+       w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_AE];
+
+       vf = container_of(roc_cpt, struct cnxk_cpt_vf, cpt);
+       priv->cpt_inst_w7 = w7.u64;
+       priv->cnxk_fpm_iova = vf->cnxk_fpm_iova;
+       priv->ec_grp = vf->ec_grp;
+
+       asym_op->session = sess;
+
+       return priv;
+
+sess_put:
+       rte_mempool_put(qp->sess_mp, sess);
+       return NULL;
+}
+
 static __rte_always_inline int __rte_hot
 cpt_sec_ipsec_inst_fill(struct cnxk_cpt_qp *qp, struct rte_crypto_op *op,
                        struct cn10k_sec_session *sess, struct cpt_inst_s *inst,
@@ -177,7 +226,6 @@ cn10k_cpt_fill_inst(struct cnxk_cpt_qp *qp, struct 
rte_crypto_op *ops[], struct
                        w7 = sess->cpt_inst_w7;
                }
        } else if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
-
                if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
                        asym_op = op->asym;
                        ae_sess = (struct cnxk_ae_sess *)asym_op->session;
@@ -186,9 +234,22 @@ cn10k_cpt_fill_inst(struct cnxk_cpt_qp *qp, struct 
rte_crypto_op *ops[], struct
                                return 0;
                        w7 = ae_sess->cpt_inst_w7;
                } else {
-                       plt_dp_err("Not supported Asym op without session");
-                       return 0;
+                       ae_sess = cn10k_cpt_asym_temp_sess_create(qp, op);
+                       if (unlikely(ae_sess == NULL)) {
+                               plt_dp_err("Could not create temp session");
+                               return 0;
+                       }
+
+                       ret = cnxk_ae_enqueue(qp, op, infl_req, &inst[0], 
ae_sess);
+                       if (unlikely(ret)) {
+                               cnxk_ae_session_clear(NULL,
+                                                     (struct 
rte_cryptodev_asym_session *)ae_sess);
+                               rte_mempool_put(qp->sess_mp, ae_sess);
+                               return 0;
+                       }
+                       w7 = ae_sess->cpt_inst_w7;
                }
+
        } else {
                plt_dp_err("Unsupported op type");
                return 0;
@@ -1145,6 +1206,11 @@ cn10k_cpt_dequeue_post_process(struct cnxk_cpt_qp *qp, 
struct rte_crypto_op *cop
                        rte_mempool_put(qp->sess_mp, cop->sym->session);
                        cop->sym->session = NULL;
                }
+               if (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
+                       cnxk_ae_session_clear(NULL, cop->asym->session);
+                       rte_mempool_put(qp->sess_mp, cop->asym->session);
+                       cop->asym->session = NULL;
+               }
        }
 }
 
diff --git a/drivers/crypto/cnxk/cn9k_cryptodev_ops.c 
b/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
index fa22b5ce44..570051518c 100644
--- a/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cn9k_cryptodev_ops.c
@@ -67,6 +67,43 @@ cn9k_cpt_sym_temp_sess_create(struct cnxk_cpt_qp *qp, struct 
rte_crypto_op *op)
        return NULL;
 }
 
+static inline struct cnxk_ae_sess *
+cn9k_cpt_asym_temp_sess_create(struct cnxk_cpt_qp *qp, struct rte_crypto_op 
*op)
+{
+       struct rte_crypto_asym_op *asym_op = op->asym;
+       struct roc_cpt *roc_cpt = qp->lf.roc_cpt;
+       struct rte_cryptodev_asym_session *sess;
+       struct cnxk_ae_sess *priv;
+       struct cnxk_cpt_vf *vf;
+       union cpt_inst_w7 w7;
+
+       /* Create temporary session */
+       if (rte_mempool_get(qp->sess_mp, (void **)&sess) < 0)
+               return NULL;
+
+       priv = (struct cnxk_ae_sess *)sess;
+       if (cnxk_ae_fill_session_parameters(priv, asym_op->xform))
+               goto sess_put;
+
+       priv->lf = &qp->lf;
+
+       w7.u64 = 0;
+       w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_AE];
+
+       vf = container_of(roc_cpt, struct cnxk_cpt_vf, cpt);
+       priv->cpt_inst_w7 = w7.u64;
+       priv->cnxk_fpm_iova = vf->cnxk_fpm_iova;
+       priv->ec_grp = vf->ec_grp;
+
+       asym_op->session = sess;
+
+       return priv;
+
+sess_put:
+       rte_mempool_put(qp->sess_mp, sess);
+       return NULL;
+}
+
 static inline int
 cn9k_cpt_inst_prep(struct cnxk_cpt_qp *qp, struct rte_crypto_op *op,
                   struct cpt_inflight_req *infl_req, struct cpt_inst_s *inst)
@@ -106,7 +143,20 @@ cn9k_cpt_inst_prep(struct cnxk_cpt_qp *qp, struct 
rte_crypto_op *op,
                        ret = cnxk_ae_enqueue(qp, op, infl_req, inst, sess);
                        inst->w7.u64 = sess->cpt_inst_w7;
                } else {
-                       ret = -EINVAL;
+                       sess = cn9k_cpt_asym_temp_sess_create(qp, op);
+                       if (unlikely(sess == NULL)) {
+                               plt_dp_err("Could not create temp session");
+                               return 0;
+                       }
+
+                       ret = cnxk_ae_enqueue(qp, op, infl_req, inst, sess);
+                       if (unlikely(ret)) {
+                               cnxk_ae_session_clear(NULL,
+                                                     (struct 
rte_cryptodev_asym_session *)sess);
+                               rte_mempool_put(qp->sess_mp, sess);
+                               return 0;
+                       }
+                       inst->w7.u64 = sess->cpt_inst_w7;
                }
        } else {
                ret = -EINVAL;
@@ -607,6 +657,11 @@ cn9k_cpt_dequeue_post_process(struct cnxk_cpt_qp *qp, 
struct rte_crypto_op *cop,
                        rte_mempool_put(qp->sess_mp, cop->sym->session);
                        cop->sym->session = NULL;
                }
+               if (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
+                       cnxk_ae_session_clear(NULL, cop->asym->session);
+                       rte_mempool_put(qp->sess_mp, cop->asym->session);
+                       cop->asym->session = NULL;
+               }
        }
 }
 
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev.c 
b/drivers/crypto/cnxk/cnxk_cryptodev.c
index 96b5121097..5828a502e4 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev.c
@@ -19,7 +19,8 @@ cnxk_cpt_default_ff_get(void)
                      RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING | 
RTE_CRYPTODEV_FF_IN_PLACE_SGL |
                      RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT | 
RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
                      RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT | 
RTE_CRYPTODEV_FF_SYM_SESSIONLESS |
-                     RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED | 
RTE_CRYPTODEV_FF_SECURITY;
+                     RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED | 
RTE_CRYPTODEV_FF_SECURITY |
+                     RTE_CRYPTODEV_FF_ASYM_SESSIONLESS;
 
        if (roc_model_is_cn10k() || roc_model_is_cn20k())
                ff |= RTE_CRYPTODEV_FF_SECURITY_INNER_CSUM | 
RTE_CRYPTODEV_FF_SYM_RAW_DP;
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c 
b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
index e5ca082e10..261e14b418 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
@@ -866,7 +866,8 @@ cnxk_ae_session_size_get(struct rte_cryptodev *dev 
__rte_unused)
 }
 
 void
-cnxk_ae_session_clear(struct rte_cryptodev *dev, struct 
rte_cryptodev_asym_session *sess)
+cnxk_ae_session_clear(struct rte_cryptodev *dev __rte_unused,
+                     struct rte_cryptodev_asym_session *sess)
 {
        struct cnxk_ae_sess *priv = (struct cnxk_ae_sess *)sess;
 
@@ -878,7 +879,7 @@ cnxk_ae_session_clear(struct rte_cryptodev *dev, struct 
rte_cryptodev_asym_sessi
        cnxk_ae_free_session_parameters(priv);
 
        /* Reset and free object back to pool */
-       memset(priv, 0, cnxk_ae_session_size_get(dev));
+       memset(priv, 0, sizeof(struct cnxk_ae_sess));
 }
 
 int
-- 
2.25.1

Reply via email to