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 | 279 +++++++++++++++++-
.../compress/uadk/uadk_compress_pmd_private.h | 16 +
2 files changed, 294 insertions(+), 1 deletion(-)
diff --git a/drivers/compress/uadk/uadk_compress_pmd.c
b/drivers/compress/uadk/uadk_compress_pmd.c
index 6ffc22a0d2..9e2dc3e308 100644
--- a/drivers/compress/uadk/uadk_compress_pmd.c
+++ b/drivers/compress/uadk/uadk_compress_pmd.c
@@ -12,7 +12,284 @@
#include "uadk_compress_pmd_private.h"
-static struct rte_compressdev_ops uadk_compress_pmd_ops;
+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 __rte_unused)
+{
+ struct uadk_compress_priv *priv = dev->data->dev_private;
+ int ret;
+
+ if (!priv->env_init) {
+ ret = wd_comp_env_init(NULL);
+ if (ret < 0)
+ return -EINVAL;
+ priv->env_init = true;
+ }
+
+ return 0;
+}
+
+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 = dev->data->dev_private;
+
+ if (priv->env_init) {
+ wd_comp_env_uninit();
+ priv->env_init = false;
+ }
+
+ 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_compress_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_compress_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_compress_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_compress_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_compress_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_compress_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 __rte_unused,
+ const struct rte_comp_xform *xform,
+ void **private_xform)
+{
+ struct wd_comp_sess_setup setup = {0};
+ struct sched_params param = {0};
+ struct uadk_compress_xform *xfrm;
+ handle_t handle;
+
+ if (xform == NULL) {
+ UADK_LOG(ERR, "invalid xform struct");
+ return -EINVAL;
+ }
+
+ xfrm = rte_malloc(NULL, sizeof(struct uadk_compress_xform), 0);
+ if (xfrm == NULL)
+ return -ENOMEM;
+
+ 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;
+
+ xfrm->handle = handle;
+ xfrm->type = xform->type;
+ *private_xform = xfrm;
+ return 0;
+
+err:
+ rte_free(xfrm);
+ return -EINVAL;
+}
+
+static int
+uadk_compress_pmd_xform_free(struct rte_compressdev *dev __rte_unused, void
*xform)
+{
+ if (!xform)
+ return -EINVAL;
+
+ wd_comp_free_sess(((struct uadk_compress_xform *)xform)->handle);
+ rte_free(xform);
+
+ return 0;
+}
+
+static struct rte_compressdev_ops uadk_compress_pmd_ops = {
+ .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,
+};
static int
uadk_compress_probe(struct rte_vdev_device *vdev)
diff --git a/drivers/compress/uadk/uadk_compress_pmd_private.h
b/drivers/compress/uadk/uadk_compress_pmd_private.h
index 88e9075619..b09569fb94 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 {
bool env_init;
};
+struct __rte_cache_aligned uadk_compress_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 uadk_compress_xform {
+ handle_t handle;
+ enum rte_comp_xform_type type;
+};
+
extern int uadk_compress_logtype;
#define UADK_LOG(level, fmt, ...) \
--
2.25.1
