return -1;
}
+/** Configure stream */
+static int
+zlib_pmd_stream_create(struct rte_compressdev *dev,
+ const struct rte_comp_xform *xform,
+ void **zstream)
+{
+ int ret = 0;
+ struct zlib_stream *stream;
+ struct zlib_private *internals = dev->data->dev_private;
+
+ if (xform == NULL) {
+ ZLIB_PMD_ERR("invalid xform struct");
+ return -EINVAL;
+ }
+
+ if (rte_mempool_get(internals->mp, zstream)) {
+ ZLIB_PMD_ERR("Couldn't get object from session mempool");
+ return -ENOMEM;
+ }
+ stream = *((struct zlib_stream **)zstream);
+
+ ret = zlib_set_stream_parameters(xform, stream);
+
+ if (ret < 0) {
+ ZLIB_PMD_ERR("failed configure session parameters");
+
+ memset(stream, 0, sizeof(struct zlib_stream));
+ /* Return session to mempool */
+ rte_mempool_put(internals->mp, stream);
+ return ret;
+ }
+
+ return 0;
+}
+
+/** Configure private xform */
+static int
+zlib_pmd_private_xform_create(struct rte_compressdev *dev,
+ const struct rte_comp_xform *xform,
+ void **private_xform)
+{
+ return zlib_pmd_stream_create(dev, xform, private_xform);
+}
+
+/** Clear the memory of stream so it doesn't leave key material behind */
+static int
+zlib_pmd_stream_free(__rte_unused struct rte_compressdev *dev,
+ void *zstream)
+{
+ struct zlib_stream *stream = (struct zlib_stream *)zstream;
+ if (!stream)
+ return -EINVAL;
+
+ stream->free(&stream->strm);
+ /* Zero out the whole structure */
+ memset(stream, 0, sizeof(struct zlib_stream));
+ struct rte_mempool *mp = rte_mempool_from_obj(stream);
+ rte_mempool_put(mp, stream);
+
+ return 0;
+}
+
+/** Clear the memory of stream so it doesn't leave key material behind */
+static int
+zlib_pmd_private_xform_free(struct rte_compressdev *dev,
+ void *private_xform)
+{
+ return zlib_pmd_stream_free(dev, private_xform);
+}
+
struct rte_compressdev_ops zlib_pmd_ops = {
.dev_configure = zlib_pmd_config,
.dev_start = zlib_pmd_start,
.queue_pair_setup = zlib_pmd_qp_setup,
.queue_pair_release = zlib_pmd_qp_release,
- .private_xform_create = NULL,
- .private_xform_free = NULL,
+ .private_xform_create = zlib_pmd_private_xform_create,
+ .private_xform_free = zlib_pmd_private_xform_free,
.stream_create = NULL,
.stream_free = NULL