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From: Ravi Kumar <Ravi1.kumar@amd.com>
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hemant.agrawal@nxp.com
Date: Mon, 19 Mar 2018 08:23:39 -0400
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Subject: [dpdk-dev] [PATCH v5 05/19] crypto/ccp: support queue pair related
pmd ops
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Signed-off-by: Ravi Kumar <Ravi1.kumar@amd.com>
---
drivers/crypto/ccp/ccp_pmd_ops.c | 149 +++++++++++++++++++++++++++++++++++++--
1 file changed, 144 insertions(+), 5 deletions(-)
diff --git a/drivers/crypto/ccp/ccp_pmd_ops.c b/drivers/crypto/ccp/ccp_pmd_ops.c
index 0560f68..bd0aea4 100644
--- a/drivers/crypto/ccp/ccp_pmd_ops.c
+++ b/drivers/crypto/ccp/ccp_pmd_ops.c
@@ -56,6 +56,145 @@ ccp_pmd_info_get(struct rte_cryptodev *dev,
}
}
+static int
+ccp_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
+{
+ struct ccp_qp *qp;
+
+ if (dev->data->queue_pairs[qp_id] != NULL) {
+ qp = (struct ccp_qp *)dev->data->queue_pairs[qp_id];
+ rte_ring_free(qp->processed_pkts);
+ rte_mempool_free(qp->batch_mp);
+ rte_free(qp);
+ dev->data->queue_pairs[qp_id] = NULL;
+ }
+ return 0;
+}
+
+static int
+ccp_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
+ struct ccp_qp *qp)
+{
+ unsigned int n = snprintf(qp->name, sizeof(qp->name),
+ "ccp_pmd_%u_qp_%u",
+ dev->data->dev_id, qp->id);
+
+ if (n > sizeof(qp->name))
+ return -1;
+
+ return 0;
+}
+
+static struct rte_ring *
+ccp_pmd_qp_create_batch_info_ring(struct ccp_qp *qp,
+ unsigned int ring_size, int socket_id)
+{
+ struct rte_ring *r;
+
+ r = rte_ring_lookup(qp->name);
+ if (r) {
+ if (r->size >= ring_size) {
+ CCP_LOG_INFO(
+ "Reusing ring %s for processed packets",
+ qp->name);
+ return r;
+ }
+ CCP_LOG_INFO(
+ "Unable to reuse ring %s for processed packets",
+ qp->name);
+ return NULL;
+ }
+
+ return rte_ring_create(qp->name, ring_size, socket_id,
+ RING_F_SP_ENQ | RING_F_SC_DEQ);
+}
+
+static int
+ccp_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
+ const struct rte_cryptodev_qp_conf *qp_conf,
+ int socket_id, struct rte_mempool *session_pool)
+{
+ struct ccp_private *internals = dev->data->dev_private;
+ struct ccp_qp *qp;
+ int retval = 0;
+
+ if (qp_id >= internals->max_nb_qpairs) {
+ CCP_LOG_ERR("Invalid qp_id %u, should be less than %u",
+ qp_id, internals->max_nb_qpairs);
+ return (-EINVAL);
+ }
+
+ /* Free memory prior to re-allocation if needed. */
+ if (dev->data->queue_pairs[qp_id] != NULL)
+ ccp_pmd_qp_release(dev, qp_id);
+
+ /* Allocate the queue pair data structure. */
+ qp = rte_zmalloc_socket("CCP Crypto PMD Queue Pair", sizeof(*qp),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (qp == NULL) {
+ CCP_LOG_ERR("Failed to allocate queue pair memory");
+ return (-ENOMEM);
+ }
+
+ qp->dev = dev;
+ qp->id = qp_id;
+ dev->data->queue_pairs[qp_id] = qp;
+
+ retval = ccp_pmd_qp_set_unique_name(dev, qp);
+ if (retval) {
+ CCP_LOG_ERR("Failed to create unique name for ccp qp");
+ goto qp_setup_cleanup;
+ }
+
+ qp->processed_pkts = ccp_pmd_qp_create_batch_info_ring(qp,
+ qp_conf->nb_descriptors, socket_id);
+ if (qp->processed_pkts == NULL) {
+ CCP_LOG_ERR("Failed to create batch info ring");
+ goto qp_setup_cleanup;
+ }
+
+ qp->sess_mp = session_pool;
+
+ /* mempool for batch info */
+ qp->batch_mp = rte_mempool_create(
+ qp->name,
+ qp_conf->nb_descriptors,
+ sizeof(struct ccp_batch_info),
+ RTE_CACHE_LINE_SIZE,
+ 0, NULL, NULL, NULL, NULL,
+ SOCKET_ID_ANY, 0);
+ if (qp->batch_mp == NULL)
+ goto qp_setup_cleanup;
+ memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
+ return 0;
+
+qp_setup_cleanup:
+ dev->data->queue_pairs[qp_id] = NULL;
+ if (qp)
+ rte_free(qp);
+ return -1;
+}
+
+static int
+ccp_pmd_qp_start(struct rte_cryptodev *dev __rte_unused,
+ uint16_t queue_pair_id __rte_unused)
+{
+ return -ENOTSUP;
+}
+
+static int
+ccp_pmd_qp_stop(struct rte_cryptodev *dev __rte_unused,
+ uint16_t queue_pair_id __rte_unused)
+{
+ return -ENOTSUP;
+}
+
+static uint32_t
+ccp_pmd_qp_count(struct rte_cryptodev *dev)
+{
+ return dev->data->nb_queue_pairs;
+}
+
static unsigned
ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
{
@@ -121,11 +260,11 @@ struct rte_cryptodev_ops ccp_ops = {
.dev_infos_get = ccp_pmd_info_get,
- .queue_pair_setup = NULL,
- .queue_pair_release = NULL,
- .queue_pair_start = NULL,
- .queue_pair_stop = NULL,
- .queue_pair_count = NULL,
+ .queue_pair_setup = ccp_pmd_qp_setup,
+ .queue_pair_release = ccp_pmd_qp_release,
+ .queue_pair_start = ccp_pmd_qp_start,
+ .queue_pair_stop = ccp_pmd_qp_stop,
+ .queue_pair_count = ccp_pmd_qp_count,
.session_get_size = ccp_pmd_session_get_size,
.session_configure = ccp_pmd_session_configure,
--
2.7.4