[PATCH 2/7] crypto/cnxk: add cryptodev reconfiguration support

[Tejasree Kondoj]

From: Aakash Sasidharan <asasidha...@marvell.com>

Add support for reconfiguration of cryptodev on cnxk platforms.

Signed-off-by: Aakash Sasidharan <asasidha...@marvell.com>
---
 drivers/crypto/cnxk/cnxk_cryptodev_ops.c | 46 +++++++++++++++---------
 1 file changed, 30 insertions(+), 16 deletions(-)

diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c 
b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
index 0f59a6c99c..85123d8afe 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
@@ -67,15 +67,42 @@ cnxk_cpt_asym_get_mlen(void)
        return len;
 }
 
+static int
+cnxk_cpt_dev_clear(struct rte_cryptodev *dev)
+{
+       struct cnxk_cpt_vf *vf = dev->data->dev_private;
+       int ret;
+
+       if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
+               roc_ae_fpm_put();
+               roc_ae_ec_grp_put();
+       }
+
+       ret = roc_cpt_int_misc_cb_unregister(cnxk_cpt_int_misc_cb, NULL);
+       if (ret < 0) {
+               plt_err("Could not unregister CPT_MISC_INT cb");
+               return ret;
+       }
+
+       roc_cpt_dev_clear(&vf->cpt);
+
+       return 0;
+}
+
 int
-cnxk_cpt_dev_config(struct rte_cryptodev *dev,
-                   struct rte_cryptodev_config *conf)
+cnxk_cpt_dev_config(struct rte_cryptodev *dev, struct rte_cryptodev_config 
*conf)
 {
        struct cnxk_cpt_vf *vf = dev->data->dev_private;
        struct roc_cpt *roc_cpt = &vf->cpt;
        uint16_t nb_lf_avail, nb_lf;
        int ret;
 
+       /* If this is a reconfigure attempt, clear the device and configure 
again */
+       if (roc_cpt->nb_lf > 0) {
+               cnxk_cpt_dev_clear(dev);
+               roc_cpt->opaque = NULL;
+       }
+
        dev->feature_flags = cnxk_cpt_default_ff_get() & ~conf->ff_disable;
 
        nb_lf_avail = roc_cpt->nb_lf_avail;
@@ -151,7 +178,6 @@ cnxk_cpt_dev_stop(struct rte_cryptodev *dev)
 int
 cnxk_cpt_dev_close(struct rte_cryptodev *dev)
 {
-       struct cnxk_cpt_vf *vf = dev->data->dev_private;
        uint16_t i;
        int ret;
 
@@ -163,19 +189,7 @@ cnxk_cpt_dev_close(struct rte_cryptodev *dev)
                }
        }
 
-       if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO) {
-               roc_ae_fpm_put();
-               roc_ae_ec_grp_put();
-       }
-
-       ret = roc_cpt_int_misc_cb_unregister(cnxk_cpt_int_misc_cb, NULL);
-       if (ret < 0) {
-               plt_err("Could not unregister CPT_MISC_INT cb");
-               return ret;
-       }
-       roc_cpt_dev_clear(&vf->cpt);
-
-       return 0;
+       return cnxk_cpt_dev_clear(dev);
 }
 
 void
-- 
2.25.1