[PATCH 08/11] crypto/cnxk: add PMD API for getting CPTR

[Tejasree Kondoj <ktejasree@marvell.com>]

From: Anoob Joseph <anoobj@marvell.com>

CPTR address is the context address used by hardware. Add PMD API to
retrieve the hardware address from rte_cryptodev/rte_security session.

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
---
 drivers/crypto/cnxk/cnxk_cryptodev_ops.c  | 49 +++++++++++++++++++++++
 drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h | 42 +++++++++++++++++++
 drivers/crypto/cnxk/version.map           |  3 ++
 3 files changed, 94 insertions(+)

diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
index d0ad2d9a4b..128f1b1ddd 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
@@ -25,7 +25,9 @@
 #include "cnxk_se.h"
 
 #include "cn10k_cryptodev_ops.h"
+#include "cn10k_cryptodev_sec.h"
 #include "cn9k_cryptodev_ops.h"
+#include "cn9k_ipsec.h"
 
 #include "rte_pmd_cnxk_crypto.h"
 
@@ -1017,3 +1019,50 @@ rte_pmd_cnxk_crypto_submit(struct rte_pmd_cnxk_crypto_qptr *qptr, void *inst, ui
 
 	plt_err("Invalid cnxk model");
 }
+
+struct rte_pmd_cnxk_crypto_cptr *
+rte_pmd_cnxk_crypto_cptr_get(struct rte_pmd_cnxk_crypto_sess *rte_sess)
+{
+	if (rte_sess == NULL) {
+		plt_err("Invalid session pointer");
+		return NULL;
+	}
+
+	if (rte_sess->sec_sess == NULL) {
+		plt_err("Invalid RTE session pointer");
+		return NULL;
+	}
+
+	if (rte_sess->op_type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
+		struct cnxk_ae_sess *ae_sess = PLT_PTR_CAST(rte_sess->crypto_asym_sess);
+		return PLT_PTR_CAST(&ae_sess->hw_ctx);
+	}
+
+	if (rte_sess->op_type != RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
+		plt_err("Invalid crypto operation type");
+		return NULL;
+	}
+
+	if (rte_sess->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+		struct cnxk_se_sess *se_sess = PLT_PTR_CAST(rte_sess->crypto_sym_sess);
+		return PLT_PTR_CAST(&se_sess->roc_se_ctx.se_ctx);
+	}
+
+	if (rte_sess->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) {
+		if (roc_model_is_cn10k()) {
+			struct cn10k_sec_session *sec_sess = PLT_PTR_CAST(rte_sess->sec_sess);
+			return PLT_PTR_CAST(&sec_sess->sa);
+		}
+
+		if (roc_model_is_cn9k()) {
+			struct cn9k_sec_session *sec_sess = PLT_PTR_CAST(rte_sess->sec_sess);
+			return PLT_PTR_CAST(&sec_sess->sa);
+		}
+
+		plt_err("Invalid cnxk model");
+		return NULL;
+	}
+
+	plt_err("Invalid session type");
+	return NULL;
+}
diff --git a/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h b/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
index 28d86b5a18..dc5a6d57b0 100644
--- a/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
+++ b/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
@@ -23,6 +23,35 @@
  */
 struct rte_pmd_cnxk_crypto_qptr;
 
+/**
+ * @brief Crypto CNXK PMD CPTR opaque pointer.
+ *
+ * This structure represents the context pointer that would be used to store the hardware context.
+ */
+struct rte_pmd_cnxk_crypto_cptr;
+
+/**
+ * @brief Crypto CNXK PMD session structure.
+ *
+ * This structure represents the session structure that would be used to store the session
+ * information.
+ */
+struct rte_pmd_cnxk_crypto_sess {
+	/** Crypto type (symmetric or asymmetric). */
+	enum rte_crypto_op_type op_type;
+	/** Session type (Crypto or security). */
+	enum rte_crypto_op_sess_type sess_type;
+	/** Session pointer. */
+	union {
+		/** Security session pointer. */
+		struct rte_security_session *sec_sess;
+		/** Crypto symmetric session pointer. */
+		struct rte_cryptodev_sym_session *crypto_sym_sess;
+		/** Crypto asymmetric session pointer */
+		struct rte_cryptodev_asym_session *crypto_asym_sess;
+	};
+};
+
 /**
  * Get queue pointer of a specific queue in a cryptodev.
  *
@@ -57,4 +86,17 @@ __rte_experimental
 void rte_pmd_cnxk_crypto_submit(struct rte_pmd_cnxk_crypto_qptr *qptr, void *inst,
 				uint16_t nb_inst);
 
+/**
+ * Get the HW CPTR pointer from the rte_crypto/rte_security session.
+ *
+ * @param rte_sess
+ *   Pointer to the structure holding rte_cryptodev or rte_security session.
+ * @return
+ *   - On success, pointer to the HW CPTR.
+ *   - NULL on error.
+ */
+__rte_experimental
+struct rte_pmd_cnxk_crypto_cptr *rte_pmd_cnxk_crypto_cptr_get(
+	struct rte_pmd_cnxk_crypto_sess *rte_sess);
+
 #endif /* _PMD_CNXK_CRYPTO_H_ */
diff --git a/drivers/crypto/cnxk/version.map b/drivers/crypto/cnxk/version.map
index 7a77607774..b510ec4847 100644
--- a/drivers/crypto/cnxk/version.map
+++ b/drivers/crypto/cnxk/version.map
@@ -4,6 +4,9 @@ EXPERIMENTAL {
 	# added in 24.03
 	rte_pmd_cnxk_crypto_submit;
 	rte_pmd_cnxk_crypto_qptr_get;
+
+	# added in 24.07
+	rte_pmd_cnxk_crypto_cptr_get;
 };
 
 INTERNAL {
-- 
2.25.1