struct mlx5_common_device *cdev; /* Backend mlx5 device. */
void *uar;
uint8_t min_block_size;
- uint8_t qp_ts_format; /* Whether SQ supports timestamp formats. */
/* Minimum huffman block size supported by the device. */
struct rte_compressdev_config dev_config;
LIST_HEAD(xform_list, mlx5_compress_xform) xform_list;
rte_spinlock_t xform_sl;
- struct mlx5_mr_share_cache mr_scache; /* Global shared MR cache. */
volatile uint64_t *uar_addr;
/* HCA caps*/
uint32_t mmo_decomp_sq:1;
return -rte_errno;
}
dev->data->queue_pairs[qp_id] = qp;
- if (mlx5_mr_btree_init(&qp->mr_ctrl.cache_bh, MLX5_MR_BTREE_CACHE_N,
- priv->dev_config.socket_id)) {
+ if (mlx5_mr_ctrl_init(&qp->mr_ctrl, &priv->cdev->mr_scache.dev_gen,
+ priv->dev_config.socket_id)) {
DRV_LOG(ERR, "Cannot allocate MR Btree for qp %u.",
(uint32_t)qp_id);
rte_errno = ENOMEM;
goto err;
}
qp_attr.cqn = qp->cq.cq->id;
- qp_attr.ts_format = mlx5_ts_format_conv(priv->qp_ts_format);
+ qp_attr.ts_format =
+ mlx5_ts_format_conv(priv->cdev->config.hca_attr.qp_ts_format);
qp_attr.rq_size = 0;
qp_attr.sq_size = RTE_BIT32(log_ops_n);
qp_attr.mmo = priv->mmo_decomp_qp && priv->mmo_comp_qp
ret = mlx5_devx_qp2rts(&qp->qp, 0);
if (ret)
goto err;
- /* Save pointer of global generation number to check memory event. */
- qp->mr_ctrl.dev_gen_ptr = &priv->mr_scache.dev_gen;
DRV_LOG(INFO, "QP %u: SQN=0x%X CQN=0x%X entries num = %u",
(uint32_t)qp_id, qp->qp.qp->id, qp->cq.cq->id, qp->entries_n);
return 0;
struct mlx5_compress_xform *xfrm;
uint32_t size;
- if (xform->type == RTE_COMP_COMPRESS && xform->compress.level ==
- RTE_COMP_LEVEL_NONE) {
- DRV_LOG(ERR, "Non-compressed block is not supported.");
- return -ENOTSUP;
- }
- if ((xform->type == RTE_COMP_COMPRESS && xform->compress.hash_algo !=
- RTE_COMP_HASH_ALGO_NONE) || (xform->type == RTE_COMP_DECOMPRESS &&
- xform->decompress.hash_algo != RTE_COMP_HASH_ALGO_NONE)) {
- DRV_LOG(ERR, "SHA is not supported.");
+ switch (xform->type) {
+ case RTE_COMP_COMPRESS:
+ if (xform->compress.algo == RTE_COMP_ALGO_NULL &&
+ !priv->mmo_dma_qp && !priv->mmo_dma_sq) {
+ DRV_LOG(ERR, "Not enough capabilities to support DMA operation, maybe old FW/OFED version?");
+ return -ENOTSUP;
+ } else if (!priv->mmo_comp_qp && !priv->mmo_comp_sq) {
+ DRV_LOG(ERR, "Not enough capabilities to support compress operation, maybe old FW/OFED version?");
+ return -ENOTSUP;
+ }
+ if (xform->compress.level == RTE_COMP_LEVEL_NONE) {
+ DRV_LOG(ERR, "Non-compressed block is not supported.");
+ return -ENOTSUP;
+ }
+ if (xform->compress.hash_algo != RTE_COMP_HASH_ALGO_NONE) {
+ DRV_LOG(ERR, "SHA is not supported.");
+ return -ENOTSUP;
+ }
+ break;
+ case RTE_COMP_DECOMPRESS:
+ if (xform->decompress.algo == RTE_COMP_ALGO_NULL &&
+ !priv->mmo_dma_qp && !priv->mmo_dma_sq) {
+ DRV_LOG(ERR, "Not enough capabilities to support DMA operation, maybe old FW/OFED version?");
+ return -ENOTSUP;
+ } else if (!priv->mmo_decomp_qp && !priv->mmo_decomp_sq) {
+ DRV_LOG(ERR, "Not enough capabilities to support decompress operation, maybe old FW/OFED version?");
+ return -ENOTSUP;
+ }
+ if (xform->compress.hash_algo != RTE_COMP_HASH_ALGO_NONE) {
+ DRV_LOG(ERR, "SHA is not supported.");
+ return -ENOTSUP;
+ }
+ break;
+ default:
+ DRV_LOG(ERR, "Xform type should be compress/decompress");
return -ENOTSUP;
}
+
xfrm = rte_zmalloc_socket(__func__, sizeof(*xfrm), 0,
priv->dev_config.socket_id);
if (xfrm == NULL)
static int
mlx5_compress_dev_start(struct rte_compressdev *dev)
{
- RTE_SET_USED(dev);
- return 0;
+ struct mlx5_compress_priv *priv = dev->data->dev_private;
+
+ return mlx5_dev_mempool_subscribe(priv->cdev);
}
static void
.stream_free = NULL,
};
-/**
- * Query LKey from a packet buffer for QP. If not found, add the mempool.
- *
- * @param priv
- * Pointer to the priv object.
- * @param addr
- * Search key.
- * @param mr_ctrl
- * Pointer to per-queue MR control structure.
- * @param ol_flags
- * Mbuf offload features.
- *
- * @return
- * Searched LKey on success, UINT32_MAX on no match.
- */
-static __rte_always_inline uint32_t
-mlx5_compress_addr2mr(struct mlx5_compress_priv *priv, uintptr_t addr,
- struct mlx5_mr_ctrl *mr_ctrl, uint64_t ol_flags)
-{
- uint32_t lkey;
-
- /* Check generation bit to see if there's any change on existing MRs. */
- if (unlikely(*mr_ctrl->dev_gen_ptr != mr_ctrl->cur_gen))
- mlx5_mr_flush_local_cache(mr_ctrl);
- /* Linear search on MR cache array. */
- lkey = mlx5_mr_lookup_lkey(mr_ctrl->cache, &mr_ctrl->mru,
- MLX5_MR_CACHE_N, addr);
- if (likely(lkey != UINT32_MAX))
- return lkey;
- /* Take slower bottom-half on miss. */
- return mlx5_mr_addr2mr_bh(priv->cdev->pd, 0, &priv->mr_scache, mr_ctrl,
- addr, !!(ol_flags & EXT_ATTACHED_MBUF));
-}
-
static __rte_always_inline uint32_t
mlx5_compress_dseg_set(struct mlx5_compress_qp *qp,
volatile struct mlx5_wqe_dseg *restrict dseg,
uintptr_t addr = rte_pktmbuf_mtod_offset(mbuf, uintptr_t, offset);
dseg->bcount = rte_cpu_to_be_32(len);
- dseg->lkey = mlx5_compress_addr2mr(qp->priv, addr, &qp->mr_ctrl,
- mbuf->ol_flags);
+ dseg->lkey = mlx5_mr_mb2mr(qp->priv->cdev, 0, &qp->mr_ctrl, mbuf);
dseg->pbuf = rte_cpu_to_be_64(addr);
return dseg->lkey;
}
return 0;
}
-/**
- * Callback for memory event.
- *
- * @param event_type
- * Memory event type.
- * @param addr
- * Address of memory.
- * @param len
- * Size of memory.
- */
-static void
-mlx5_compress_mr_mem_event_cb(enum rte_mem_event event_type, const void *addr,
- size_t len, void *arg __rte_unused)
-{
- struct mlx5_compress_priv *priv;
-
- /* Must be called from the primary process. */
- MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
- switch (event_type) {
- case RTE_MEM_EVENT_FREE:
- pthread_mutex_lock(&priv_list_lock);
- /* Iterate all the existing mlx5 devices. */
- TAILQ_FOREACH(priv, &mlx5_compress_priv_list, next)
- mlx5_free_mr_by_addr(&priv->mr_scache,
- mlx5_os_get_ctx_device_name
- (priv->cdev->ctx),
- addr, len);
- pthread_mutex_unlock(&priv_list_lock);
- break;
- case RTE_MEM_EVENT_ALLOC:
- default:
- break;
- }
-}
-
static int
mlx5_compress_dev_probe(struct mlx5_common_device *cdev)
{
struct rte_compressdev *compressdev;
struct mlx5_compress_priv *priv;
- struct mlx5_hca_attr att = { 0 };
+ struct mlx5_hca_attr *attr = &cdev->config.hca_attr;
struct rte_compressdev_pmd_init_params init_params = {
.name = "",
.socket_id = cdev->dev->numa_node,
rte_errno = ENOTSUP;
return -rte_errno;
}
- if (mlx5_devx_cmd_query_hca_attr(cdev->ctx, &att) != 0 ||
- ((att.mmo_compress_sq_en == 0 || att.mmo_decompress_sq_en == 0 ||
- att.mmo_dma_sq_en == 0) && (att.mmo_compress_qp_en == 0 ||
- att.mmo_decompress_qp_en == 0 || att.mmo_dma_qp_en == 0))) {
- DRV_LOG(ERR, "Not enough capabilities to support compress "
- "operations, maybe old FW/OFED version?");
+ if (!attr->mmo_decompress_qp_en && !attr->mmo_decompress_sq_en
+ && !attr->mmo_compress_qp_en && !attr->mmo_compress_sq_en
+ && !attr->mmo_dma_qp_en && !attr->mmo_dma_sq_en) {
+ DRV_LOG(ERR, "Not enough capabilities to support compress operations, maybe old FW/OFED version?");
+ claim_zero(mlx5_glue->close_device(cdev->ctx));
rte_errno = ENOTSUP;
return -ENOTSUP;
}
compressdev->enqueue_burst = mlx5_compress_enqueue_burst;
compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
priv = compressdev->data->dev_private;
- priv->mmo_decomp_sq = att.mmo_decompress_sq_en;
- priv->mmo_decomp_qp = att.mmo_decompress_qp_en;
- priv->mmo_comp_sq = att.mmo_compress_sq_en;
- priv->mmo_comp_qp = att.mmo_compress_qp_en;
- priv->mmo_dma_sq = att.mmo_dma_sq_en;
- priv->mmo_dma_qp = att.mmo_dma_qp_en;
+ priv->mmo_decomp_sq = attr->mmo_decompress_sq_en;
+ priv->mmo_decomp_qp = attr->mmo_decompress_qp_en;
+ priv->mmo_comp_sq = attr->mmo_compress_sq_en;
+ priv->mmo_comp_qp = attr->mmo_compress_qp_en;
+ priv->mmo_dma_sq = attr->mmo_dma_sq_en;
+ priv->mmo_dma_qp = attr->mmo_dma_qp_en;
priv->cdev = cdev;
priv->compressdev = compressdev;
- priv->min_block_size = att.compress_min_block_size;
- priv->qp_ts_format = att.qp_ts_format;
+ priv->min_block_size = attr->compress_min_block_size;
if (mlx5_compress_uar_prepare(priv) != 0) {
rte_compressdev_pmd_destroy(priv->compressdev);
return -1;
}
- if (mlx5_mr_btree_init(&priv->mr_scache.cache,
- MLX5_MR_BTREE_CACHE_N * 2, rte_socket_id()) != 0) {
- DRV_LOG(ERR, "Failed to allocate shared cache MR memory.");
- mlx5_compress_uar_release(priv);
- rte_compressdev_pmd_destroy(priv->compressdev);
- rte_errno = ENOMEM;
- return -rte_errno;
- }
- priv->mr_scache.reg_mr_cb = mlx5_common_verbs_reg_mr;
- priv->mr_scache.dereg_mr_cb = mlx5_common_verbs_dereg_mr;
- /* Register callback function for global shared MR cache management. */
- if (TAILQ_EMPTY(&mlx5_compress_priv_list))
- rte_mem_event_callback_register("MLX5_MEM_EVENT_CB",
- mlx5_compress_mr_mem_event_cb,
- NULL);
pthread_mutex_lock(&priv_list_lock);
TAILQ_INSERT_TAIL(&mlx5_compress_priv_list, priv, next);
pthread_mutex_unlock(&priv_list_lock);
TAILQ_REMOVE(&mlx5_compress_priv_list, priv, next);
pthread_mutex_unlock(&priv_list_lock);
if (priv) {
- if (TAILQ_EMPTY(&mlx5_compress_priv_list))
- rte_mem_event_callback_unregister("MLX5_MEM_EVENT_CB",
- NULL);
- mlx5_mr_release_cache(&priv->mr_scache);
mlx5_compress_uar_release(priv);
rte_compressdev_pmd_destroy(priv->compressdev);
}
git.droids-corp.org / dpdk.git / blobdiff