[PATCH v2 3/8] crypto/cnxk: add new API to get fpm tbl address

[Tejasree Kondoj <ktejasree@marvell.com>]

From: Sucharitha Sarananaga <ssarananaga@marvell.com>

This patch introduces a new API to get FPM table host address.

Signed-off-by: Sucharitha Sarananaga <ssarananaga@marvell.com>
---
 drivers/crypto/cnxk/cnxk_cryptodev_ops.c  | 23 +++++++++++++++++++++++
 drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h | 18 ++++++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
index 2bf156bddb..97c12c6087 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
@@ -12,6 +12,7 @@
 #endif
 #include <rte_security_driver.h>
 
+#include "roc_ae.h"
 #include "roc_ae_fpm_tables.h"
 #include "roc_cpt.h"
 #include "roc_errata.h"
@@ -995,6 +996,28 @@ rte_pmd_cnxk_crypto_qptr_get(uint8_t dev_id, uint16_t qp_id)
 	return qptr;
 }
 
+RTE_EXPORT_EXPERIMENTAL_SYMBOL(rte_pmd_cnxk_ae_fpm_table_get, 25.07)
+const uint64_t *
+rte_pmd_cnxk_ae_fpm_table_get(uint8_t dev_id)
+{
+	struct rte_cryptodev *dev;
+	struct cnxk_cpt_vf *vf;
+
+	dev = rte_cryptodev_pmd_get_dev(dev_id);
+	if (dev == NULL) {
+		plt_err("Invalid dev_id %u", dev_id);
+		return NULL;
+	}
+
+	vf = dev->data->dev_private;
+	if (vf == NULL) {
+		plt_err("VF is not initialized");
+		return NULL;
+	}
+
+	return vf->cnxk_fpm_iova;
+}
+
 static inline void
 cnxk_crypto_cn10k_submit(struct rte_pmd_cnxk_crypto_qptr *qptr, void *inst, uint16_t nb_inst)
 {
diff --git a/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h b/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
index 46861ab2cf..cd3ddc9dd1 100644
--- a/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
+++ b/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
@@ -213,4 +213,22 @@ __rte_experimental
 int rte_pmd_cnxk_crypto_qp_stats_get(struct rte_pmd_cnxk_crypto_qptr *qptr,
 				     struct rte_pmd_cnxk_crypto_qp_stats *stats);
 
+/**
+ * Retrieves the addresses of the AE FPM (Finite Precision Math) tables.
+ *
+ * This API should be called only after the cryptodev device has been
+ * successfully configured. The returned pointer reference memory that is
+ * valid as long as the device remains configured and is not destroyed or
+ * reconfigured. If the device is reconfigured or destroyed, the memory
+ * referenced by the returned pointer becomes invalid and must not be used.
+ *
+ * @param dev_id
+ *   Device identifier of cryptodev device.
+ * @return
+ *   - On success pointer to the AE FPM table addresses.
+ *   - NULL on error.
+ */
+__rte_experimental 
+const uint64_t *rte_pmd_cnxk_ae_fpm_table_get(uint8_t dev_id);
+
 #endif /* _PMD_CNXK_CRYPTO_H_ */
-- 
2.25.1