mempool: introduce block size alignment flag

[dpdk.git] / lib / librte_mempool / rte_mempool.h

diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index d251d42..24195dd 100644 (file)
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -265,6 +265,24 @@ struct rte_mempool {
 #define MEMPOOL_F_SC_GET         0x0008 /**< Default get is "single-consumer".*/
 #define MEMPOOL_F_POOL_CREATED   0x0010 /**< Internal: pool is created. */
 #define MEMPOOL_F_NO_PHYS_CONTIG 0x0020 /**< Don't need physically contiguous objs. */
+/**
+ * This capability flag is advertised by a mempool handler, if the whole
+ * memory area containing the objects must be physically contiguous.
+ * Note: This flag should not be passed by application.
+ */
+#define MEMPOOL_F_CAPA_PHYS_CONTIG 0x0040
+/**
+ * This capability flag is advertised by a mempool handler. Used for a case
+ * where mempool driver wants object start address(vaddr) aligned to block
+ * size(/ total element size).
+ *
+ * Note:
+ * - This flag should not be passed by application.
+ *   Flag used for mempool driver only.
+ * - Mempool driver must also set MEMPOOL_F_CAPA_PHYS_CONTIG flag along with
+ *   MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS.
+ */
+#define MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS 0x0080
 
 /**
  * @internal When debug is enabled, store some statistics.