Add functions to configure and clear the qat comp device,
including the creation and freeing of the xform pool
and the freeing of queue-pairs.
Signed-off-by: Fiona Trahe <fiona.tr...@intel.com>
Signed-off-by: Tomasz Jozwiak <tomaszx.jozw...@intel.com>
---
drivers/compress/qat/qat_comp_pmd.c | 95 +++++++++++++++++++++++++++++++++++++
drivers/compress/qat/qat_comp_pmd.h | 7 +++
2 files changed, 102 insertions(+)
diff --git a/drivers/compress/qat/qat_comp_pmd.c
b/drivers/compress/qat/qat_comp_pmd.c
index 5ae6caf..beab6e3 100644
--- a/drivers/compress/qat/qat_comp_pmd.c
+++ b/drivers/compress/qat/qat_comp_pmd.c
@@ -99,3 +99,98 @@ qat_comp_qp_setup(struct rte_compressdev *dev, uint16_t
qp_id,
return ret;
}
+
+static struct rte_mempool *
+qat_comp_create_xform_pool(struct qat_comp_dev_private *comp_dev,
+ uint32_t num_elements)
+{
+ char xform_pool_name[RTE_MEMPOOL_NAMESIZE];
+ struct rte_mempool *mp;
+
+ snprintf(xform_pool_name, RTE_MEMPOOL_NAMESIZE,
+ "%s_xforms", comp_dev->qat_dev->name);
+
+ QAT_LOG(DEBUG, "xformpool: %s", xform_pool_name);
+ mp = rte_mempool_lookup(xform_pool_name);
+
+ if (mp != NULL) {
+ QAT_LOG(DEBUG, "xformpool already created");
+ if (mp->size != num_elements) {
+ QAT_LOG(DEBUG, "xformpool wrong size - delete it");
+ rte_mempool_free(mp);
+ mp = NULL;
+ comp_dev->xformpool = NULL;
+ }
+ }
+
+ if (mp == NULL)
+ mp = rte_mempool_create(xform_pool_name,
+ num_elements,
+ qat_comp_xform_size(), 0, 0,
+ NULL, NULL, NULL, NULL, rte_socket_id(),
+ 0);
+ if (mp == NULL) {
+ QAT_LOG(ERR, "Err creating mempool %s w %d elements of size %d",
+ xform_pool_name, num_elements, qat_comp_xform_size());
+ return NULL;
+ }
+
+ return mp;
+}
+
+static void
+_qat_comp_dev_config_clear(struct qat_comp_dev_private *comp_dev)
+{
+ /* Free private_xform pool */
+ if (comp_dev->xformpool) {
+ /* Free internal mempool for private xforms */
+ rte_mempool_free(comp_dev->xformpool);
+ comp_dev->xformpool = NULL;
+ }
+}
+
+int
+qat_comp_dev_config(struct rte_compressdev *dev,
+ struct rte_compressdev_config *config)
+{
+ struct qat_comp_dev_private *comp_dev = dev->data->dev_private;
+ int ret = 0;
+
+ if (config->max_nb_streams != 0) {
+ QAT_LOG(ERR,
+ "QAT device does not support STATEFUL so max_nb_streams must be 0");
+ return -EINVAL;
+ }
+
+ comp_dev->xformpool = qat_comp_create_xform_pool(comp_dev,
+ config->max_nb_priv_xforms);
+ if (comp_dev->xformpool == NULL) {
+
+ ret = -ENOMEM;
+ goto error_out;
+ }
+ return 0;
+
+error_out:
+ _qat_comp_dev_config_clear(comp_dev);
+ return ret;
+}
+
+
+int
+qat_comp_dev_close(struct rte_compressdev *dev)
+{
+ int i;
+ int ret = 0;
+ struct qat_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ for (i = 0; i < dev->data->nb_queue_pairs; i++) {
+ ret = qat_comp_qp_release(dev, i);
+ if (ret < 0)
+ return ret;
+ }
+
+ _qat_comp_dev_config_clear(comp_dev);
+
+ return ret;
+}
diff --git a/drivers/compress/qat/qat_comp_pmd.h
b/drivers/compress/qat/qat_comp_pmd.h
index 5a4bc31..b10a66f 100644
--- a/drivers/compress/qat/qat_comp_pmd.h
+++ b/drivers/compress/qat/qat_comp_pmd.h
@@ -41,5 +41,12 @@ int
qat_comp_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
uint32_t max_inflight_ops, int socket_id);
+int
+qat_comp_dev_config(struct rte_compressdev *dev,
+ struct rte_compressdev_config *config);
+
+int
+qat_comp_dev_close(struct rte_compressdev *dev);
+
#endif
#endif /* _QAT_COMP_PMD_H_ */
--
2.7.4
