[dpdk-dev] [PATCH v3 28/32] crypto/octeontx: add enqueue burst op

[Anoob Joseph <anoob.joseph@caviumnetworks.com>]

From: Tejasree Kondoj <kondoj.tejasree@caviumnetworks.com>

Signed-off-by: Ankur Dwivedi <ankur.dwivedi@caviumnetworks.com>
Signed-off-by: Anoob Joseph <anoob.joseph@caviumnetworks.com>
Signed-off-by: Murthy NSSR <nidadavolu.murthy@caviumnetworks.com>
Signed-off-by: Nithin Dabilpuram <nithin.dabilpuram@caviumnetworks.com>
Signed-off-by: Ragothaman Jayaraman <rjayaraman@caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan@caviumnetworks.com>
Signed-off-by: Tejasree Kondoj <kondoj.tejasree@caviumnetworks.com>
---
 drivers/crypto/octeontx/otx_cryptodev_hw_access.h | 18 +++++++++++++++
 drivers/crypto/octeontx/otx_cryptodev_ops.c       | 27 ++++++++++++++++++++++-
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/drivers/crypto/octeontx/otx_cryptodev_hw_access.h b/drivers/crypto/octeontx/otx_cryptodev_hw_access.h
index affbba1..6f4d6e1 100644
--- a/drivers/crypto/octeontx/otx_cryptodev_hw_access.h
+++ b/drivers/crypto/octeontx/otx_cryptodev_hw_access.h
@@ -187,6 +187,15 @@ otx_cpt_read_vq_doorbell(struct cpt_vf *cptvf)
 	return vqx_dbell.s.dbell_cnt;
 }
 
+static __rte_always_inline void
+otx_cpt_ring_dbell(struct cpt_instance *instance, uint16_t count)
+{
+	struct cpt_vf *cptvf = (struct cpt_vf *)instance;
+	/* Memory barrier to flush pending writes */
+	rte_smp_wmb();
+	otx_cpt_write_vq_doorbell(cptvf, count);
+}
+
 static __rte_always_inline void *
 get_cpt_inst(struct command_queue *cqueue)
 {
@@ -237,7 +246,16 @@ mark_cpt_inst(struct cpt_instance *instance)
 		queue->idx = 0;
 		queue->cchunk = cchunk;
 	}
+}
 
+static __rte_always_inline uint8_t
+check_nb_command_id(struct cpt_request_info *user_req,
+		struct cpt_instance *instance)
+{
+	/* Required for dequeue operation. Adding a dummy routine for now */
+	RTE_SET_USED(user_req);
+	RTE_SET_USED(instance);
+	return 0;
 }
 
 #endif /* _OTX_CRYPTODEV_HW_ACCESS_H_ */
diff --git a/drivers/crypto/octeontx/otx_cryptodev_ops.c b/drivers/crypto/octeontx/otx_cryptodev_ops.c
index 16fad49..4240051 100644
--- a/drivers/crypto/octeontx/otx_cryptodev_ops.c
+++ b/drivers/crypto/octeontx/otx_cryptodev_ops.c
@@ -341,6 +341,31 @@ otx_cpt_session_clear(struct rte_cryptodev *dev,
 	}
 }
 
+static uint16_t
+otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+	struct cpt_instance *instance = (struct cpt_instance *)qptr;
+	uint16_t count = 0;
+	int ret;
+	struct cpt_vf *cptvf = (struct cpt_vf *)instance;
+	struct pending_queue *pqueue = &cptvf->pqueue;
+
+	count = DEFAULT_CMD_QLEN - pqueue->pending_count;
+	if (nb_ops > count)
+		nb_ops = count;
+
+	count = 0;
+	while (likely(count < nb_ops)) {
+		ret = cpt_pmd_crypto_operation(instance, ops[count], pqueue,
+						otx_cryptodev_driver_id);
+		if (unlikely(ret))
+			break;
+		count++;
+	}
+	otx_cpt_ring_dbell(instance, count);
+	return count;
+}
+
 static struct rte_cryptodev_ops cptvf_ops = {
 	/* Device related operations */
 	.dev_configure = otx_cpt_dev_config,
@@ -432,7 +457,7 @@ otx_cpt_dev_create(struct rte_cryptodev *c_dev)
 
 	c_dev->dev_ops = &cptvf_ops;
 
-	c_dev->enqueue_burst = NULL;
+	c_dev->enqueue_burst = otx_cpt_pkt_enqueue;
 	c_dev->dequeue_burst = NULL;
 
 	c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
-- 
2.7.4