Support the basic dev control operations: configure, close,
start, stop, infos_get, and queue pairs operations, etc.
Signed-off-by: Zhangfei Gao <zhangfei....@linaro.org>
---
drivers/compress/uadk/uadk_compress_pmd.c | 325 +++++++++++++++++-
.../compress/uadk/uadk_compress_pmd_private.h | 16 +
2 files changed, 330 insertions(+), 11 deletions(-)
diff --git a/drivers/compress/uadk/uadk_compress_pmd.c
b/drivers/compress/uadk/uadk_compress_pmd.c
index d73524ce84..25858855e6 100644
--- a/drivers/compress/uadk/uadk_compress_pmd.c
+++ b/drivers/compress/uadk/uadk_compress_pmd.c
@@ -12,18 +12,321 @@
#include "uadk_compress_pmd_private.h"
+static const struct
+rte_compressdev_capabilities uadk_compress_pmd_capabilities[] = {
+ { /* Deflate */
+ .algo = RTE_COMP_ALGO_DEFLATE,
+ .comp_feature_flags = RTE_COMP_FF_SHAREABLE_PRIV_XFORM |
+ RTE_COMP_FF_HUFFMAN_FIXED |
+ RTE_COMP_FF_HUFFMAN_DYNAMIC,
+ },
+
+ RTE_COMP_END_OF_CAPABILITIES_LIST()
+};
+
+static int
+uadk_compress_pmd_config(struct rte_compressdev *dev,
+ struct rte_compressdev_config *config)
+{
+ char mp_name[RTE_MEMPOOL_NAMESIZE];
+ struct uadk_compress_priv *priv;
+ struct rte_mempool *mp;
+ int ret;
+
+ if (dev == NULL || config == NULL)
+ return -EINVAL;
+
+ snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
+ "stream_mp_%u", dev->data->dev_id);
+ priv = dev->data->dev_private;
+
+ /* alloc resources */
+ ret = wd_comp_env_init(NULL);
+ if (ret < 0)
+ return -EINVAL;
+
+ mp = priv->mp;
+ if (mp == NULL) {
+ mp = rte_mempool_create(mp_name,
+ config->max_nb_priv_xforms +
+ config->max_nb_streams,
+ sizeof(struct uadk_stream),
+ 0, 0, NULL, NULL, NULL,
+ NULL, config->socket_id, 0);
+ if (mp == NULL) {
+ UADK_LOG(ERR, "Cannot create private xform pool on
socket %d\n",
+ config->socket_id);
+ ret = -ENOMEM;
+ goto err_mempool;
+ }
+ priv->mp = mp;
+ }
+
+ return 0;
+
+err_mempool:
+ wd_comp_env_uninit();
+ return ret;
+}
+
+static int
+uadk_compress_pmd_start(struct rte_compressdev *dev __rte_unused)
+{
+ return 0;
+}
+
+static void
+uadk_compress_pmd_stop(struct rte_compressdev *dev __rte_unused)
+{
+}
+
+static int
+uadk_compress_pmd_close(struct rte_compressdev *dev)
+{
+ struct uadk_compress_priv *priv =
+ (struct uadk_compress_priv *)dev->data->dev_private;
+
+ /* free resources */
+ rte_mempool_free(priv->mp);
+ priv->mp = NULL;
+ wd_comp_env_uninit();
+
+ return 0;
+}
+
+static void
+uadk_compress_pmd_stats_get(struct rte_compressdev *dev,
+ struct rte_compressdev_stats *stats)
+{
+ int qp_id;
+
+ for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
+ struct uadk_qp *qp = dev->data->queue_pairs[qp_id];
+
+ stats->enqueued_count += qp->qp_stats.enqueued_count;
+ stats->dequeued_count += qp->qp_stats.dequeued_count;
+ stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
+ stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
+ }
+}
+
+static void
+uadk_compress_pmd_stats_reset(struct rte_compressdev *dev)
+{
+ int qp_id;
+
+ for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
+ struct uadk_qp *qp = dev->data->queue_pairs[qp_id];
+
+ memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
+ }
+}
+
+static void
+uadk_compress_pmd_info_get(struct rte_compressdev *dev,
+ struct rte_compressdev_info *dev_info)
+{
+ if (dev_info != NULL) {
+ dev_info->driver_name = dev->device->driver->name;
+ dev_info->feature_flags = dev->feature_flags;
+ dev_info->capabilities = uadk_compress_pmd_capabilities;
+ }
+}
+
+static int
+uadk_compress_pmd_qp_release(struct rte_compressdev *dev, uint16_t qp_id)
+{
+ struct uadk_qp *qp = dev->data->queue_pairs[qp_id];
+
+ if (qp != NULL) {
+ rte_ring_free(qp->processed_pkts);
+ rte_free(qp);
+ dev->data->queue_pairs[qp_id] = NULL;
+ }
+
+ return 0;
+}
+
+static int
+uadk_pmd_qp_set_unique_name(struct rte_compressdev *dev,
+ struct uadk_qp *qp)
+{
+ unsigned int n = snprintf(qp->name, sizeof(qp->name),
+ "uadk_pmd_%u_qp_%u",
+ dev->data->dev_id, qp->id);
+
+ if (n >= sizeof(qp->name))
+ return -EINVAL;
+
+ return 0;
+}
+
+static struct rte_ring *
+uadk_pmd_qp_create_processed_pkts_ring(struct uadk_qp *qp,
+ unsigned int ring_size, int socket_id)
+{
+ struct rte_ring *r = qp->processed_pkts;
+
+ if (r) {
+ if (rte_ring_get_size(r) >= ring_size) {
+ UADK_LOG(INFO, "Reusing existing ring %s for processed
packets",
+ qp->name);
+ return r;
+ }
+
+ UADK_LOG(ERR, "Unable to reuse existing ring %s for processed
packets",
+ qp->name);
+ return NULL;
+ }
+
+ return rte_ring_create(qp->name, ring_size, socket_id,
+ RING_F_EXACT_SZ);
+}
+
+static int
+uadk_compress_pmd_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
+ uint32_t max_inflight_ops, int socket_id)
+{
+ struct uadk_qp *qp = NULL;
+
+ /* Free memory prior to re-allocation if needed. */
+ if (dev->data->queue_pairs[qp_id] != NULL)
+ uadk_compress_pmd_qp_release(dev, qp_id);
+
+ /* Allocate the queue pair data structure. */
+ qp = rte_zmalloc_socket("uadk PMD Queue Pair", sizeof(*qp),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (qp == NULL)
+ return (-ENOMEM);
+
+ qp->id = qp_id;
+ dev->data->queue_pairs[qp_id] = qp;
+
+ if (uadk_pmd_qp_set_unique_name(dev, qp))
+ goto qp_setup_cleanup;
+
+ qp->processed_pkts = uadk_pmd_qp_create_processed_pkts_ring(qp,
+ max_inflight_ops, socket_id);
+ if (qp->processed_pkts == NULL)
+ goto qp_setup_cleanup;
+
+ memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
+
+ return 0;
+
+qp_setup_cleanup:
+ if (qp) {
+ rte_free(qp);
+ qp = NULL;
+ }
+ return -EINVAL;
+}
+
+static int
+uadk_compress_pmd_xform_create(struct rte_compressdev *dev,
+ const struct rte_comp_xform *xform,
+ void **private_xform)
+{
+ struct uadk_compress_priv *priv = dev->data->dev_private;
+ struct wd_comp_sess_setup setup = {0};
+ struct sched_params param = {0};
+ struct uadk_stream *stream;
+ handle_t handle;
+
+ if (xform == NULL) {
+ UADK_LOG(ERR, "invalid xform struct");
+ return -EINVAL;
+ }
+
+ if (rte_mempool_get(priv->mp, private_xform)) {
+ UADK_LOG(ERR, "Couldn't get object from session mempool");
+ return -ENOMEM;
+ }
+
+ stream = *((struct uadk_stream **)private_xform);
+
+ switch (xform->type) {
+ case RTE_COMP_COMPRESS:
+ switch (xform->compress.algo) {
+ case RTE_COMP_ALGO_NULL:
+ break;
+ case RTE_COMP_ALGO_DEFLATE:
+ setup.alg_type = WD_DEFLATE;
+ setup.win_sz = WD_COMP_WS_8K;
+ setup.comp_lv = WD_COMP_L8;
+ setup.op_type = WD_DIR_COMPRESS;
+ param.type = setup.op_type;
+ param.numa_id = -1; /* choose nearby numa node */
+ setup.sched_param = ¶m;
+ break;
+ default:
+ goto err;
+ }
+ break;
+ case RTE_COMP_DECOMPRESS:
+ switch (xform->decompress.algo) {
+ case RTE_COMP_ALGO_NULL:
+ break;
+ case RTE_COMP_ALGO_DEFLATE:
+ setup.alg_type = WD_DEFLATE;
+ setup.comp_lv = WD_COMP_L8;
+ setup.op_type = WD_DIR_DECOMPRESS;
+ param.type = setup.op_type;
+ param.numa_id = -1; /* choose nearby numa node */
+ setup.sched_param = ¶m;
+ break;
+ default:
+ goto err;
+ }
+ break;
+ default:
+ UADK_LOG(ERR, "Algorithm %u is not supported.", xform->type);
+ goto err;
+ }
+
+ handle = wd_comp_alloc_sess(&setup);
+ if (!handle)
+ goto err;
+
+ stream->handle = handle;
+ stream->type = xform->type;
+
+ return 0;
+
+err:
+ rte_mempool_put(priv->mp, private_xform);
+ return -EINVAL;
+}
+
+static int
+uadk_compress_pmd_xform_free(struct rte_compressdev *dev __rte_unused, void
*private_xform)
+{
+ struct uadk_stream *stream = (struct uadk_stream *)private_xform;
+ struct rte_mempool *mp;
+
+ if (!stream)
+ return -EINVAL;
+
+ wd_comp_free_sess(stream->handle);
+ memset(stream, 0, sizeof(struct uadk_stream));
+ mp = rte_mempool_from_obj(stream);
+ rte_mempool_put(mp, stream);
+
+ return 0;
+}
+
static struct rte_compressdev_ops uadk_compress_pmd_ops = {
- .dev_configure = NULL,
- .dev_start = NULL,
- .dev_stop = NULL,
- .dev_close = NULL,
- .stats_get = NULL,
- .stats_reset = NULL,
- .dev_infos_get = NULL,
- .queue_pair_setup = NULL,
- .queue_pair_release = NULL,
- .private_xform_create = NULL,
- .private_xform_free = NULL,
+ .dev_configure = uadk_compress_pmd_config,
+ .dev_start = uadk_compress_pmd_start,
+ .dev_stop = uadk_compress_pmd_stop,
+ .dev_close = uadk_compress_pmd_close,
+ .stats_get = uadk_compress_pmd_stats_get,
+ .stats_reset = uadk_compress_pmd_stats_reset,
+ .dev_infos_get = uadk_compress_pmd_info_get,
+ .queue_pair_setup = uadk_compress_pmd_qp_setup,
+ .queue_pair_release = uadk_compress_pmd_qp_release,
+ .private_xform_create = uadk_compress_pmd_xform_create,
+ .private_xform_free = uadk_compress_pmd_xform_free,
.stream_create = NULL,
.stream_free = NULL,
};
diff --git a/drivers/compress/uadk/uadk_compress_pmd_private.h
b/drivers/compress/uadk/uadk_compress_pmd_private.h
index a96aea7c73..97a921316e 100644
--- a/drivers/compress/uadk/uadk_compress_pmd_private.h
+++ b/drivers/compress/uadk/uadk_compress_pmd_private.h
@@ -10,6 +10,22 @@ struct uadk_compress_priv {
struct rte_mempool *mp;
};
+struct __rte_cache_aligned uadk_qp {
+ /* Ring for placing process packets */
+ struct rte_ring *processed_pkts;
+ /* Queue pair statistics */
+ struct rte_compressdev_stats qp_stats;
+ /* Queue Pair Identifier */
+ uint16_t id;
+ /* Unique Queue Pair Name */
+ char name[RTE_COMPRESSDEV_NAME_MAX_LEN];
+};
+
+struct __rte_cache_aligned uadk_stream {
+ handle_t handle;
+ enum rte_comp_xform_type type;
+};
+
extern int uadk_compress_logtype;
#define UADK_LOG(level, fmt, ...) \
--
2.25.1
