New upstream version 18.05
[deb_dpdk.git] / lib / librte_compressdev / rte_compressdev.c
diff --git a/lib/librte_compressdev/rte_compressdev.c b/lib/librte_compressdev/rte_compressdev.c
new file mode 100644 (file)
index 0000000..6a38917
--- /dev/null
@@ -0,0 +1,775 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017-2018 Intel Corporation
+ */
+
+#include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <inttypes.h>
+
+#include <rte_malloc.h>
+#include <rte_eal.h>
+#include <rte_memzone.h>
+
+#include "rte_compressdev.h"
+#include "rte_compressdev_internal.h"
+#include "rte_compressdev_pmd.h"
+
+#define RTE_COMPRESSDEV_DETACHED  (0)
+#define RTE_COMPRESSDEV_ATTACHED  (1)
+
+struct rte_compressdev rte_comp_devices[RTE_COMPRESS_MAX_DEVS];
+
+struct rte_compressdev *rte_compressdevs = &rte_comp_devices[0];
+
+static struct rte_compressdev_global compressdev_globals = {
+               .devs                   = &rte_comp_devices[0],
+               .data                   = { NULL },
+               .nb_devs                = 0,
+               .max_devs               = RTE_COMPRESS_MAX_DEVS
+};
+
+struct rte_compressdev_global *rte_compressdev_globals = &compressdev_globals;
+
+const struct rte_compressdev_capabilities * __rte_experimental
+rte_compressdev_capability_get(uint8_t dev_id,
+                       enum rte_comp_algorithm algo)
+{
+       const struct rte_compressdev_capabilities *capability;
+       struct rte_compressdev_info dev_info;
+       int i = 0;
+
+       if (dev_id >= compressdev_globals.nb_devs) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%d", dev_id);
+               return NULL;
+       }
+       rte_compressdev_info_get(dev_id, &dev_info);
+
+       while ((capability = &dev_info.capabilities[i++])->algo !=
+                       RTE_COMP_ALGO_UNSPECIFIED){
+               if (capability->algo == algo)
+                       return capability;
+       }
+
+       return NULL;
+}
+
+const char * __rte_experimental
+rte_compressdev_get_feature_name(uint64_t flag)
+{
+       switch (flag) {
+       case RTE_COMPDEV_FF_HW_ACCELERATED:
+               return "HW_ACCELERATED";
+       case RTE_COMPDEV_FF_CPU_SSE:
+               return "CPU_SSE";
+       case RTE_COMPDEV_FF_CPU_AVX:
+               return "CPU_AVX";
+       case RTE_COMPDEV_FF_CPU_AVX2:
+               return "CPU_AVX2";
+       case RTE_COMPDEV_FF_CPU_AVX512:
+               return "CPU_AVX512";
+       case RTE_COMPDEV_FF_CPU_NEON:
+               return "CPU_NEON";
+       default:
+               return NULL;
+       }
+}
+
+static struct rte_compressdev *
+rte_compressdev_get_dev(uint8_t dev_id)
+{
+       return &rte_compressdev_globals->devs[dev_id];
+}
+
+struct rte_compressdev * __rte_experimental
+rte_compressdev_pmd_get_named_dev(const char *name)
+{
+       struct rte_compressdev *dev;
+       unsigned int i;
+
+       if (name == NULL)
+               return NULL;
+
+       for (i = 0; i < rte_compressdev_globals->max_devs; i++) {
+               dev = &rte_compressdev_globals->devs[i];
+
+               if ((dev->attached == RTE_COMPRESSDEV_ATTACHED) &&
+                               (strcmp(dev->data->name, name) == 0))
+                       return dev;
+       }
+
+       return NULL;
+}
+
+static unsigned int
+rte_compressdev_is_valid_dev(uint8_t dev_id)
+{
+       struct rte_compressdev *dev = NULL;
+
+       if (dev_id >= rte_compressdev_globals->nb_devs)
+               return 0;
+
+       dev = rte_compressdev_get_dev(dev_id);
+       if (dev->attached != RTE_COMPRESSDEV_ATTACHED)
+               return 0;
+       else
+               return 1;
+}
+
+
+int __rte_experimental
+rte_compressdev_get_dev_id(const char *name)
+{
+       unsigned int i;
+
+       if (name == NULL)
+               return -1;
+
+       for (i = 0; i < rte_compressdev_globals->nb_devs; i++)
+               if ((strcmp(rte_compressdev_globals->devs[i].data->name, name)
+                               == 0) &&
+                               (rte_compressdev_globals->devs[i].attached ==
+                                               RTE_COMPRESSDEV_ATTACHED))
+                       return i;
+
+       return -1;
+}
+
+uint8_t __rte_experimental
+rte_compressdev_count(void)
+{
+       return rte_compressdev_globals->nb_devs;
+}
+
+uint8_t __rte_experimental
+rte_compressdev_devices_get(const char *driver_name, uint8_t *devices,
+       uint8_t nb_devices)
+{
+       uint8_t i, count = 0;
+       struct rte_compressdev *devs = rte_compressdev_globals->devs;
+       uint8_t max_devs = rte_compressdev_globals->max_devs;
+
+       for (i = 0; i < max_devs && count < nb_devices; i++) {
+
+               if (devs[i].attached == RTE_COMPRESSDEV_ATTACHED) {
+                       int cmp;
+
+                       cmp = strncmp(devs[i].device->driver->name,
+                                       driver_name,
+                                       strlen(driver_name));
+
+                       if (cmp == 0)
+                               devices[count++] = devs[i].data->dev_id;
+               }
+       }
+
+       return count;
+}
+
+int __rte_experimental
+rte_compressdev_socket_id(uint8_t dev_id)
+{
+       struct rte_compressdev *dev;
+
+       if (!rte_compressdev_is_valid_dev(dev_id))
+               return -1;
+
+       dev = rte_compressdev_get_dev(dev_id);
+
+       return dev->data->socket_id;
+}
+
+static inline int
+rte_compressdev_data_alloc(uint8_t dev_id, struct rte_compressdev_data **data,
+               int socket_id)
+{
+       char mz_name[RTE_COMPRESSDEV_NAME_MAX_LEN];
+       const struct rte_memzone *mz;
+       int n;
+
+       /* generate memzone name */
+       n = snprintf(mz_name, sizeof(mz_name),
+                       "rte_compressdev_data_%u", dev_id);
+       if (n >= (int)sizeof(mz_name))
+               return -EINVAL;
+
+       if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+               mz = rte_memzone_reserve(mz_name,
+                               sizeof(struct rte_compressdev_data),
+                               socket_id, 0);
+       } else
+               mz = rte_memzone_lookup(mz_name);
+
+       if (mz == NULL)
+               return -ENOMEM;
+
+       *data = mz->addr;
+       if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+               memset(*data, 0, sizeof(struct rte_compressdev_data));
+
+       return 0;
+}
+
+static uint8_t
+rte_compressdev_find_free_device_index(void)
+{
+       uint8_t dev_id;
+
+       for (dev_id = 0; dev_id < RTE_COMPRESS_MAX_DEVS; dev_id++) {
+               if (rte_comp_devices[dev_id].attached ==
+                               RTE_COMPRESSDEV_DETACHED)
+                       return dev_id;
+       }
+       return RTE_COMPRESS_MAX_DEVS;
+}
+
+struct rte_compressdev * __rte_experimental
+rte_compressdev_pmd_allocate(const char *name, int socket_id)
+{
+       struct rte_compressdev *compressdev;
+       uint8_t dev_id;
+
+       if (rte_compressdev_pmd_get_named_dev(name) != NULL) {
+               COMPRESSDEV_LOG(ERR,
+                       "comp device with name %s already allocated!", name);
+               return NULL;
+       }
+
+       dev_id = rte_compressdev_find_free_device_index();
+       if (dev_id == RTE_COMPRESS_MAX_DEVS) {
+               COMPRESSDEV_LOG(ERR, "Reached maximum number of comp devices");
+               return NULL;
+       }
+       compressdev = rte_compressdev_get_dev(dev_id);
+
+       if (compressdev->data == NULL) {
+               struct rte_compressdev_data *compressdev_data =
+                               compressdev_globals.data[dev_id];
+
+               int retval = rte_compressdev_data_alloc(dev_id,
+                               &compressdev_data, socket_id);
+
+               if (retval < 0 || compressdev_data == NULL)
+                       return NULL;
+
+               compressdev->data = compressdev_data;
+
+               snprintf(compressdev->data->name, RTE_COMPRESSDEV_NAME_MAX_LEN,
+                               "%s", name);
+
+               compressdev->data->dev_id = dev_id;
+               compressdev->data->socket_id = socket_id;
+               compressdev->data->dev_started = 0;
+
+               compressdev->attached = RTE_COMPRESSDEV_ATTACHED;
+
+               compressdev_globals.nb_devs++;
+       }
+
+       return compressdev;
+}
+
+int __rte_experimental
+rte_compressdev_pmd_release_device(struct rte_compressdev *compressdev)
+{
+       int ret;
+
+       if (compressdev == NULL)
+               return -EINVAL;
+
+       /* Close device only if device operations have been set */
+       if (compressdev->dev_ops) {
+               ret = rte_compressdev_close(compressdev->data->dev_id);
+               if (ret < 0)
+                       return ret;
+       }
+
+       compressdev->attached = RTE_COMPRESSDEV_DETACHED;
+       compressdev_globals.nb_devs--;
+       return 0;
+}
+
+uint16_t __rte_experimental
+rte_compressdev_queue_pair_count(uint8_t dev_id)
+{
+       struct rte_compressdev *dev;
+
+       dev = &rte_comp_devices[dev_id];
+       return dev->data->nb_queue_pairs;
+}
+
+static int
+rte_compressdev_queue_pairs_config(struct rte_compressdev *dev,
+               uint16_t nb_qpairs, int socket_id)
+{
+       struct rte_compressdev_info dev_info;
+       void **qp;
+       unsigned int i;
+
+       if ((dev == NULL) || (nb_qpairs < 1)) {
+               COMPRESSDEV_LOG(ERR, "invalid param: dev %p, nb_queues %u",
+                                                       dev, nb_qpairs);
+               return -EINVAL;
+       }
+
+       COMPRESSDEV_LOG(DEBUG, "Setup %d queues pairs on device %u",
+                       nb_qpairs, dev->data->dev_id);
+
+       memset(&dev_info, 0, sizeof(struct rte_compressdev_info));
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
+       (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
+
+       if ((dev_info.max_nb_queue_pairs != 0) &&
+                       (nb_qpairs > dev_info.max_nb_queue_pairs)) {
+               COMPRESSDEV_LOG(ERR, "Invalid num queue_pairs (%u) for dev %u",
+                               nb_qpairs, dev->data->dev_id);
+               return -EINVAL;
+       }
+
+       if (dev->data->queue_pairs == NULL) { /* first time configuration */
+               dev->data->queue_pairs = rte_zmalloc_socket(
+                               "compressdev->queue_pairs",
+                               sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
+                               RTE_CACHE_LINE_SIZE, socket_id);
+
+               if (dev->data->queue_pairs == NULL) {
+                       dev->data->nb_queue_pairs = 0;
+                       COMPRESSDEV_LOG(ERR,
+                       "failed to get memory for qp meta data, nb_queues %u",
+                                                       nb_qpairs);
+                       return -(ENOMEM);
+               }
+       } else { /* re-configure */
+               int ret;
+               uint16_t old_nb_queues = dev->data->nb_queue_pairs;
+
+               qp = dev->data->queue_pairs;
+
+               RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
+                               -ENOTSUP);
+
+               for (i = nb_qpairs; i < old_nb_queues; i++) {
+                       ret = (*dev->dev_ops->queue_pair_release)(dev, i);
+                       if (ret < 0)
+                               return ret;
+               }
+
+               qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
+                               RTE_CACHE_LINE_SIZE);
+               if (qp == NULL) {
+                       COMPRESSDEV_LOG(ERR,
+                       "failed to realloc qp meta data, nb_queues %u",
+                                               nb_qpairs);
+                       return -(ENOMEM);
+               }
+
+               if (nb_qpairs > old_nb_queues) {
+                       uint16_t new_qs = nb_qpairs - old_nb_queues;
+
+                       memset(qp + old_nb_queues, 0,
+                               sizeof(qp[0]) * new_qs);
+               }
+
+               dev->data->queue_pairs = qp;
+
+       }
+       dev->data->nb_queue_pairs = nb_qpairs;
+       return 0;
+}
+
+static int
+rte_compressdev_queue_pairs_release(struct rte_compressdev *dev)
+{
+       uint16_t num_qps, i;
+       int ret;
+
+       if (dev == NULL) {
+               COMPRESSDEV_LOG(ERR, "invalid param: dev %p", dev);
+               return -EINVAL;
+       }
+
+       num_qps = dev->data->nb_queue_pairs;
+
+       if (num_qps == 0)
+               return 0;
+
+       COMPRESSDEV_LOG(DEBUG, "Free %d queues pairs on device %u",
+                       dev->data->nb_queue_pairs, dev->data->dev_id);
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
+                               -ENOTSUP);
+
+       for (i = 0; i < num_qps; i++) {
+               ret = (*dev->dev_ops->queue_pair_release)(dev, i);
+               if (ret < 0)
+                       return ret;
+       }
+
+       if (dev->data->queue_pairs != NULL)
+               rte_free(dev->data->queue_pairs);
+       dev->data->queue_pairs = NULL;
+       dev->data->nb_queue_pairs = 0;
+
+       return 0;
+}
+
+int __rte_experimental
+rte_compressdev_configure(uint8_t dev_id, struct rte_compressdev_config *config)
+{
+       struct rte_compressdev *dev;
+       int diag;
+
+       if (!rte_compressdev_is_valid_dev(dev_id)) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
+               return -EINVAL;
+       }
+
+       dev = &rte_comp_devices[dev_id];
+
+       if (dev->data->dev_started) {
+               COMPRESSDEV_LOG(ERR,
+                   "device %d must be stopped to allow configuration", dev_id);
+               return -EBUSY;
+       }
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
+
+       /* Setup new number of queue pairs and reconfigure device. */
+       diag = rte_compressdev_queue_pairs_config(dev, config->nb_queue_pairs,
+                       config->socket_id);
+       if (diag != 0) {
+               COMPRESSDEV_LOG(ERR,
+                       "dev%d rte_comp_dev_queue_pairs_config = %d",
+                               dev_id, diag);
+               return diag;
+       }
+
+       return (*dev->dev_ops->dev_configure)(dev, config);
+}
+
+int __rte_experimental
+rte_compressdev_start(uint8_t dev_id)
+{
+       struct rte_compressdev *dev;
+       int diag;
+
+       COMPRESSDEV_LOG(DEBUG, "Start dev_id=%" PRIu8, dev_id);
+
+       if (!rte_compressdev_is_valid_dev(dev_id)) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
+               return -EINVAL;
+       }
+
+       dev = &rte_comp_devices[dev_id];
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
+
+       if (dev->data->dev_started != 0) {
+               COMPRESSDEV_LOG(ERR,
+                   "Device with dev_id=%" PRIu8 " already started", dev_id);
+               return 0;
+       }
+
+       diag = (*dev->dev_ops->dev_start)(dev);
+       if (diag == 0)
+               dev->data->dev_started = 1;
+       else
+               return diag;
+
+       return 0;
+}
+
+void __rte_experimental
+rte_compressdev_stop(uint8_t dev_id)
+{
+       struct rte_compressdev *dev;
+
+       if (!rte_compressdev_is_valid_dev(dev_id)) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
+               return;
+       }
+
+       dev = &rte_comp_devices[dev_id];
+
+       RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
+
+       if (dev->data->dev_started == 0) {
+               COMPRESSDEV_LOG(ERR,
+                   "Device with dev_id=%" PRIu8 " already stopped", dev_id);
+               return;
+       }
+
+       (*dev->dev_ops->dev_stop)(dev);
+       dev->data->dev_started = 0;
+}
+
+int __rte_experimental
+rte_compressdev_close(uint8_t dev_id)
+{
+       struct rte_compressdev *dev;
+       int retval;
+
+       if (!rte_compressdev_is_valid_dev(dev_id)) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
+               return -1;
+       }
+
+       dev = &rte_comp_devices[dev_id];
+
+       /* Device must be stopped before it can be closed */
+       if (dev->data->dev_started == 1) {
+               COMPRESSDEV_LOG(ERR, "Device %u must be stopped before closing",
+                               dev_id);
+               return -EBUSY;
+       }
+
+       /* Free queue pairs memory */
+       retval = rte_compressdev_queue_pairs_release(dev);
+
+       if (retval < 0)
+               return retval;
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
+       retval = (*dev->dev_ops->dev_close)(dev);
+
+       if (retval < 0)
+               return retval;
+
+       return 0;
+}
+
+int __rte_experimental
+rte_compressdev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
+               uint32_t max_inflight_ops, int socket_id)
+{
+       struct rte_compressdev *dev;
+
+       if (!rte_compressdev_is_valid_dev(dev_id)) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
+               return -EINVAL;
+       }
+
+       dev = &rte_comp_devices[dev_id];
+       if (queue_pair_id >= dev->data->nb_queue_pairs) {
+               COMPRESSDEV_LOG(ERR, "Invalid queue_pair_id=%d", queue_pair_id);
+               return -EINVAL;
+       }
+
+       if (dev->data->dev_started) {
+               COMPRESSDEV_LOG(ERR,
+                   "device %d must be stopped to allow configuration", dev_id);
+               return -EBUSY;
+       }
+
+       if (max_inflight_ops == 0) {
+               COMPRESSDEV_LOG(ERR,
+                       "Invalid maximum number of inflight operations");
+               return -EINVAL;
+       }
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
+
+       return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id,
+                       max_inflight_ops, socket_id);
+}
+
+uint16_t __rte_experimental
+rte_compressdev_dequeue_burst(uint8_t dev_id, uint16_t qp_id,
+               struct rte_comp_op **ops, uint16_t nb_ops)
+{
+       struct rte_compressdev *dev = &rte_compressdevs[dev_id];
+
+       nb_ops = (*dev->dequeue_burst)
+                       (dev->data->queue_pairs[qp_id], ops, nb_ops);
+
+       return nb_ops;
+}
+
+uint16_t __rte_experimental
+rte_compressdev_enqueue_burst(uint8_t dev_id, uint16_t qp_id,
+               struct rte_comp_op **ops, uint16_t nb_ops)
+{
+       struct rte_compressdev *dev = &rte_compressdevs[dev_id];
+
+       return (*dev->enqueue_burst)(
+                       dev->data->queue_pairs[qp_id], ops, nb_ops);
+}
+
+int __rte_experimental
+rte_compressdev_stats_get(uint8_t dev_id, struct rte_compressdev_stats *stats)
+{
+       struct rte_compressdev *dev;
+
+       if (!rte_compressdev_is_valid_dev(dev_id)) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%d", dev_id);
+               return -ENODEV;
+       }
+
+       if (stats == NULL) {
+               COMPRESSDEV_LOG(ERR, "Invalid stats ptr");
+               return -EINVAL;
+       }
+
+       dev = &rte_comp_devices[dev_id];
+       memset(stats, 0, sizeof(*stats));
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
+       (*dev->dev_ops->stats_get)(dev, stats);
+       return 0;
+}
+
+void __rte_experimental
+rte_compressdev_stats_reset(uint8_t dev_id)
+{
+       struct rte_compressdev *dev;
+
+       if (!rte_compressdev_is_valid_dev(dev_id)) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
+               return;
+       }
+
+       dev = &rte_comp_devices[dev_id];
+
+       RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
+       (*dev->dev_ops->stats_reset)(dev);
+}
+
+
+void __rte_experimental
+rte_compressdev_info_get(uint8_t dev_id, struct rte_compressdev_info *dev_info)
+{
+       struct rte_compressdev *dev;
+
+       if (dev_id >= compressdev_globals.nb_devs) {
+               COMPRESSDEV_LOG(ERR, "Invalid dev_id=%d", dev_id);
+               return;
+       }
+
+       dev = &rte_comp_devices[dev_id];
+
+       memset(dev_info, 0, sizeof(struct rte_compressdev_info));
+
+       RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
+       (*dev->dev_ops->dev_infos_get)(dev, dev_info);
+
+       dev_info->driver_name = dev->device->driver->name;
+}
+
+int __rte_experimental
+rte_compressdev_private_xform_create(uint8_t dev_id,
+               const struct rte_comp_xform *xform,
+               void **priv_xform)
+{
+       struct rte_compressdev *dev;
+       int ret;
+
+       dev = rte_compressdev_get_dev(dev_id);
+
+       if (xform == NULL || priv_xform == NULL || dev == NULL)
+               return -EINVAL;
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->private_xform_create, -ENOTSUP);
+       ret = (*dev->dev_ops->private_xform_create)(dev, xform, priv_xform);
+       if (ret < 0) {
+               COMPRESSDEV_LOG(ERR,
+                       "dev_id %d failed to create private_xform: err=%d",
+                       dev_id, ret);
+               return ret;
+       };
+
+       return 0;
+}
+
+int __rte_experimental
+rte_compressdev_private_xform_free(uint8_t dev_id, void *priv_xform)
+{
+       struct rte_compressdev *dev;
+       int ret;
+
+       dev = rte_compressdev_get_dev(dev_id);
+
+       if (dev == NULL || priv_xform == NULL)
+               return -EINVAL;
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->private_xform_free, -ENOTSUP);
+       ret = dev->dev_ops->private_xform_free(dev, priv_xform);
+       if (ret < 0) {
+               COMPRESSDEV_LOG(ERR,
+                       "dev_id %d failed to free private xform: err=%d",
+                       dev_id, ret);
+               return ret;
+       };
+
+       return 0;
+}
+
+int __rte_experimental
+rte_compressdev_stream_create(uint8_t dev_id,
+               const struct rte_comp_xform *xform,
+               void **stream)
+{
+       struct rte_compressdev *dev;
+       int ret;
+
+       dev = rte_compressdev_get_dev(dev_id);
+
+       if (xform == NULL || dev == NULL || stream == NULL)
+               return -EINVAL;
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stream_create, -ENOTSUP);
+       ret = (*dev->dev_ops->stream_create)(dev, xform, stream);
+       if (ret < 0) {
+               COMPRESSDEV_LOG(ERR,
+                       "dev_id %d failed to create stream: err=%d",
+                       dev_id, ret);
+               return ret;
+       };
+
+       return 0;
+}
+
+
+int __rte_experimental
+rte_compressdev_stream_free(uint8_t dev_id, void *stream)
+{
+       struct rte_compressdev *dev;
+       int ret;
+
+       dev = rte_compressdev_get_dev(dev_id);
+
+       if (dev == NULL || stream == NULL)
+               return -EINVAL;
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stream_free, -ENOTSUP);
+       ret = dev->dev_ops->stream_free(dev, stream);
+       if (ret < 0) {
+               COMPRESSDEV_LOG(ERR,
+                       "dev_id %d failed to free stream: err=%d",
+                       dev_id, ret);
+               return ret;
+       };
+
+       return 0;
+}
+
+const char * __rte_experimental
+rte_compressdev_name_get(uint8_t dev_id)
+{
+       struct rte_compressdev *dev = rte_compressdev_get_dev(dev_id);
+
+       if (dev == NULL)
+               return NULL;
+
+       return dev->data->name;
+}
+
+RTE_INIT(rte_compressdev_log);
+
+static void
+rte_compressdev_log(void)
+{
+       compressdev_logtype = rte_log_register("lib.compressdev");
+       if (compressdev_logtype >= 0)
+               rte_log_set_level(compressdev_logtype, RTE_LOG_NOTICE);
+}