struct mr_cache_entry (*table)[];
} __rte_packed;
+struct mlx5_common_device;
+
/* Per-queue MR control descriptor. */
struct mlx5_mr_ctrl {
uint32_t *dev_gen_ptr; /* Generation number of device to poll. */
struct mlx5_mr_share_cache {
uint32_t dev_gen; /* Generation number to flush local caches. */
rte_rwlock_t rwlock; /* MR cache Lock. */
+ rte_rwlock_t mprwlock; /* Mempool Registration Lock. */
+ uint8_t mp_cb_registered; /* Mempool are Registered. */
struct mlx5_mr_btree cache; /* Global MR cache table. */
struct mlx5_mr_list mr_list; /* Registered MR list. */
struct mlx5_mr_list mr_free_list; /* Freed MR list. */
mlx5_dereg_mr_t dereg_mr_cb; /* Callback to dereg_mr func */
} __rte_packed;
+/* Multi-Packet RQ buffer header. */
+struct mlx5_mprq_buf {
+ struct rte_mempool *mp;
+ uint16_t refcnt; /* Atomically accessed refcnt. */
+ struct rte_mbuf_ext_shared_info shinfos[];
+ /*
+ * Shared information per stride.
+ * More memory will be allocated for the first stride head-room and for
+ * the strides data.
+ */
+} __rte_cache_aligned;
+
+__rte_internal
+void mlx5_mprq_buf_free_cb(void *addr, void *opaque);
+
+/**
+ * Get Memory Pool (MP) from mbuf. If mbuf is indirect, the pool from which the
+ * cloned mbuf is allocated is returned instead.
+ *
+ * @param buf
+ * Pointer to mbuf.
+ *
+ * @return
+ * Memory pool where data is located for given mbuf.
+ */
+static inline struct rte_mempool *
+mlx5_mb2mp(struct rte_mbuf *buf)
+{
+ if (unlikely(RTE_MBUF_CLONED(buf)))
+ return rte_mbuf_from_indirect(buf)->pool;
+ return buf->pool;
+}
+
/**
* Look up LKey from given lookup table by linear search. Firstly look up the
* last-hit entry. If miss, the entire array is searched. If found, update the
return UINT32_MAX;
}
+__rte_internal
+void mlx5_mr_flush_local_cache(struct mlx5_mr_ctrl *mr_ctrl);
+
+/**
+ * Bottom-half of LKey search on. If supported, lookup for the address from
+ * the mempool. Otherwise, search in old mechanism caches.
+ *
+ * @param mr_ctrl
+ * Pointer to per-queue MR control structure.
+ * @param mb
+ * Pointer to mbuf.
+ *
+ * @return
+ * Searched LKey on success, UINT32_MAX on no match.
+ */
+__rte_internal
+uint32_t mlx5_mr_mb2mr_bh(struct mlx5_mr_ctrl *mr_ctrl, struct rte_mbuf *mbuf);
+
+/**
+ * Query LKey from a packet buffer.
+ *
+ * @param mr_ctrl
+ * Pointer to per-queue MR control structure.
+ * @param mbuf
+ * Pointer to mbuf.
+ *
+ * @return
+ * Searched LKey on success, UINT32_MAX on no match.
+ */
+static __rte_always_inline uint32_t
+mlx5_mr_mb2mr(struct mlx5_mr_ctrl *mr_ctrl, struct rte_mbuf *mbuf)
+{
+ 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, (uintptr_t)mbuf->buf_addr);
+ if (likely(lkey != UINT32_MAX))
+ return lkey;
+ /* Take slower bottom-half on miss. */
+ return mlx5_mr_mb2mr_bh(mr_ctrl, mbuf);
+}
+
+/* mlx5_common_mr.c */
+
__rte_internal
int mlx5_mr_ctrl_init(struct mlx5_mr_ctrl *mr_ctrl, uint32_t *dev_gen_ptr,
int socket);
__rte_internal
void mlx5_mr_btree_free(struct mlx5_mr_btree *bt);
-__rte_internal
void mlx5_mr_btree_dump(struct mlx5_mr_btree *bt __rte_unused);
__rte_internal
-uint32_t mlx5_mr_addr2mr_bh(void *pd, struct mlx5_mp_id *mp_id,
- struct mlx5_mr_share_cache *share_cache,
- struct mlx5_mr_ctrl *mr_ctrl,
- uintptr_t addr, unsigned int mr_ext_memseg_en);
-__rte_internal
-uint32_t mlx5_mr_mempool2mr_bh(struct mlx5_mr_share_cache *share_cache,
- struct mlx5_mr_ctrl *mr_ctrl,
+uint32_t mlx5_mr_mempool2mr_bh(struct mlx5_mr_ctrl *mr_ctrl,
struct rte_mempool *mp, uintptr_t addr);
void mlx5_mr_release_cache(struct mlx5_mr_share_cache *mr_cache);
int mlx5_mr_create_cache(struct mlx5_mr_share_cache *share_cache, int socket);
-__rte_internal
void mlx5_mr_dump_cache(struct mlx5_mr_share_cache *share_cache __rte_unused);
-__rte_internal
void mlx5_mr_rebuild_cache(struct mlx5_mr_share_cache *share_cache);
-__rte_internal
-void mlx5_mr_flush_local_cache(struct mlx5_mr_ctrl *mr_ctrl);
void mlx5_free_mr_by_addr(struct mlx5_mr_share_cache *share_cache,
const char *ibdev_name, const void *addr, size_t len);
-__rte_internal
-int
-mlx5_mr_insert_cache(struct mlx5_mr_share_cache *share_cache,
- struct mlx5_mr *mr);
-__rte_internal
-uint32_t
-mlx5_mr_lookup_cache(struct mlx5_mr_share_cache *share_cache,
- struct mr_cache_entry *entry, uintptr_t addr);
-__rte_internal
+int mlx5_mr_insert_cache(struct mlx5_mr_share_cache *share_cache,
+ struct mlx5_mr *mr);
struct mlx5_mr *
mlx5_mr_lookup_list(struct mlx5_mr_share_cache *share_cache,
struct mr_cache_entry *entry, uintptr_t addr);
-__rte_internal
struct mlx5_mr *
mlx5_create_mr_ext(void *pd, uintptr_t addr, size_t len, int socket_id,
mlx5_reg_mr_t reg_mr_cb);
+void mlx5_mr_free(struct mlx5_mr *mr, mlx5_dereg_mr_t dereg_mr_cb);
__rte_internal
uint32_t
-mlx5_mr_create_primary(void *pd,
- struct mlx5_mr_share_cache *share_cache,
- struct mr_cache_entry *entry, uintptr_t addr,
- unsigned int mr_ext_memseg_en);
+mlx5_mr_create(struct mlx5_common_device *cdev,
+ struct mlx5_mr_share_cache *share_cache,
+ struct mr_cache_entry *entry, uintptr_t addr);
+
+/* mlx5_common_verbs.c */
+
__rte_internal
int
mlx5_common_verbs_reg_mr(void *pd, void *addr, size_t length,
mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb, mlx5_dereg_mr_t *dereg_mr_cb);
__rte_internal
-void
-mlx5_mr_free(struct mlx5_mr *mr, mlx5_dereg_mr_t dereg_mr_cb);
-
+int
+mlx5_mr_mempool_register(struct mlx5_common_device *cdev,
+ struct rte_mempool *mp, bool is_extmem);
__rte_internal
int
-mlx5_mr_mempool_register(struct mlx5_mr_share_cache *share_cache, void *pd,
- struct rte_mempool *mp, struct mlx5_mp_id *mp_id);
+mlx5_mr_mempool_unregister(struct mlx5_common_device *cdev,
+ struct rte_mempool *mp);
+
__rte_internal
int
-mlx5_mr_mempool_unregister(struct mlx5_mr_share_cache *share_cache,
- struct rte_mempool *mp, struct mlx5_mp_id *mp_id);
+mlx5_mr_mempool_populate_cache(struct mlx5_mr_ctrl *mr_ctrl,
+ struct rte_mempool *mp);
#endif /* RTE_PMD_MLX5_COMMON_MR_H_ */
git.droids-corp.org / dpdk.git / blobdiff